Title: £274 Cheap Flights from Ottawa to Baltimore (YOW to BWI) - Expedia.co.uk

 

![Baltimore which includes skyline, night scenes and modern architecture](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# £274 Cheap Flights from Ottawa (YOW) to Baltimore (BWI)

[View £274 flight on Fri, 21 Nov 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:YOW,to:BWI,departure:21/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:274.00&airProductToken=AQptCjUI1YIBEgQzNjYzGNizASCuHCiK1_0CMKvY_QI4TkAAWAFqCEVDT0JBU0lDcghTQUE0QUZCTgo0CNWCARIEMjIwMhiuHCDBRSj52v0CMPDb_QI4TkABWAFqCEVDT0JBU0lDcghTQUE0QUZCThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE)

-   [Return](?flightType=roundtrip)
-   [One-way](?flightType=oneway)
-   [Multi-city](?flightType=multicity)

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## Popular airlines from Ottawa International Airport (YOW) to Baltimore Washington International Airport (BWI)

-   ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg)
    
    WestJet
    
    [](https://www.expedia.co.uk/Flights-Search?leg1=from:yow,to:bwi,departure:18/11/2025TANYT&leg2=from:bwi,to:yow,departure:25/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}])
-   ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg)
    
    United
    
    [](https://www.expedia.co.uk/Flights-Search?leg1=from:yow,to:bwi,departure:18/11/2025TANYT&leg2=from:bwi,to:yow,departure:25/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])

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## Cheap Flights from Ottawa (YOW) to Baltimore (BWI)

Prices were available within the past 7 days and start at £274 for one-way flights and £570 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Return

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Thu, 8 Jan - Thu, 15 Jan

YOW

Ottawa

BWI

Baltimore

£570

Return

found 2 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:08/01/2026TANYT&leg2=from:BWI,to:YOW,departure:15/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:569.30&airProductToken=AQq1AQoyCNemARIDNTg5GNizASCYzgEowPCBAzCV8YEDOExAAFgBagVFQ09OT3IITE9WRDBaRVMKPwjXpgESBDYzMjgYmM4BIOO0ASjJ8oEDMKPzgQM4TEABWAFqBUVDT05PcghMT1ZEMFpFU3oKCMSYARIENjMyOAo-CNemARIENzE5NRjjtAEgwUUo-fSBAzDU9YEDOExAAVgBagVFQ09OT3IITE9WRDBaRVN6CgjEmAESBDcxOTUKtQEKPgjXpgESBDY5MjIYwUUg47QBKJzCggMwgMOCAzhUQABYAWoFRUNPTk9yCFRPVUQwWkVTegoIxJgBEgQ2OTIyCj8I16YBEgQ2MzEyGOO0ASCYzgEoxcOCAzCYxIIDOFRAAVgBagVFQ09OT3IIVE9VRDBaRVN6CgjEmAESBDYzMTIKMgjXpgESAzU4OBiYzgEg2LMBKM7HggMwlsiCAzhUQAFYAWoFRUNPTk9yCFRPVUQwWkVTEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ)

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Thu, 8 Jan - Thu, 15 Jan

YOW

Ottawa

BWI

Baltimore

£588

Return

found 2 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:08/01/2026TANYT&leg2=from:BWI,to:YOW,departure:15/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:587.10&airProductToken=AQq1AQoyCNemARIDNTg5GNizASCYzgEowPCBAzCV8YEDOExAAFgBagVFQ09OT3IITE9WRDBaRVMKPwjXpgESBDYzNDMYmM4BIOO0ASjG84EDMJf0gQM4TEABWAFqBUVDT05PcghMT1ZEMFpFU3oKCMSYARIENjM0Mwo-CNemARIENzE5NRjjtAEgwUUo-fSBAzDU9YEDOExAAVgBagVFQ09OT3IITE9WRDBaRVN6CgjEmAESBDcxOTUKtQEKPgjXpgESBDY5MjIYwUUg47QBKJzCggMwgMOCAzhUQABYAWoFRUNPTk9yCFRPVUQwWkVTegoIxJgBEgQ2OTIyCj8I16YBEgQ2MzEyGOO0ASCYzgEoxcOCAzCYxIIDOFRAAVgBagVFQ09OT3IIVE9VRDBaRVN6CgjEmAESBDYzMTIKMgjXpgESAzU4OBiYzgEg2LMBKM7HggMwlsiCAzhUQAFYAWoFRUNPTk9yCFRPVUQwWkVTEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ)

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Tue, 25 Nov - Wed, 26 Nov

YOW

Ottawa

BWI

Baltimore

£689

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:25/11/2025TANYT&leg2=from:BWI,to:YOW,departure:26/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:689.00&airProductToken=AQqzAQoyCNemARIDNTg5GNizASCYzgEowIH-AjCVgv4COFNAAFgBagVFQ09OT3IIU09RRDBaRVMKPgjXpgESBDY0NzkYmM4BIOBcKNWE_gIw4YX-AjhTQAFYAWoFRUNPTk9yCFNPUUQwWkVTegoIxJgBEgQ2NDc5Cj0I16YBEgQ2MzczGOBcIMFFKNKG_gIwuof-AjhTQAFYAWoFRUNPTk9yCFNPUUQwWkVTegoIxJgBEgQ2MzczCrMBCj0I16YBEgQ2NTA0GMFFIOBcKOuP_gIw45D-AjhYQABYAWoFRUNPTk9yCFhPUUQwWkVTegoIxJgBEgQ2NTA0Cj4I16YBEgQ3MDc5GOBcIJjOASivk_4CMLOU_gI4WEABWAFqBUVDT05PcghYT1FEMFpFU3oKCMSYARIENzA3OQoyCNemARIDNTg4GJjOASDYswEojpX-AjDWlf4COFhAAVgBagVFQ09OT3IIWE9RRDBaRVMSCggBEAEYASoCV1MYASIECAEQASgCKAMoBDAB)

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Tue, 25 Nov - Wed, 26 Nov

YOW

Ottawa

BWI

Baltimore

£706

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:25/11/2025TANYT&leg2=from:BWI,to:YOW,departure:26/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:705.80&airProductToken=AQq1AQoyCNemARIDNTg5GNizASCYzgEowIH-AjCVgv4COFFAAFgBagVFQ09OT3IIUU81RDBaRVMKPwjXpgESBDYzNDAYmM4BIOO0ASi8g_4CMJmE_gI4UUABWAFqBUVDT05PcghRTzVEMFpFU3oKCMSYARIENjM0MAo-CNemARIENzE5NRjjtAEgwUUogob-AjDchv4COFFAAVgBagVFQ09OT3IIUU81RDBaRVN6CgjEmAESBDcxOTUKswEKPQjXpgESBDY1MDQYwUUg4Fwo64_-AjDjkP4COFhAAFgBagVFQ09OT3IIWE9RRDBaRVN6CgjEmAESBDY1MDQKPgjXpgESBDcwNzkY4FwgmM4BKK-T_gIws5T-AjhYQAFYAWoFRUNPTk9yCFhPUUQwWkVTegoIxJgBEgQ3MDc5CjII16YBEgM1ODgYmM4BINizASiOlf4CMNaV_gI4WEABWAFqBUVDT05PcghYT1FEMFpFUxIKCAEQARgBKgJXUxgBIgQIARABKAIoAygEMAE)

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Tue, 25 Nov - Wed, 26 Nov

YOW

Ottawa

BWI

Baltimore

£707

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:25/11/2025TANYT&leg2=from:BWI,to:YOW,departure:26/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:706.80&airProductToken=AQqzAQoyCNemARIDNTg5GNizASCYzgEowIH-AjCVgv4COFNAAFgBagVFQ09OT3IIU09RRDBaRVMKPgjXpgESBDY0NzkYmM4BIOBcKNWE_gIw4YX-AjhTQAFYAWoFRUNPTk9yCFNPUUQwWkVTegoIxJgBEgQ2NDc5Cj0I16YBEgQ2MzczGOBcIMFFKNKG_gIwuof-AjhTQAFYAWoFRUNPTk9yCFNPUUQwWkVTegoIxJgBEgQ2MzczCrMBCj0I16YBEgQ1NTg1GMFFIOBcKPGN_gIw747-AjhYQABYAWoFRUNPTk9yCFhPUUQwWkVTegoIxJgBEgQ1NTg1Cj4I16YBEgQ2MzAxGOBcIJjOASiFkf4CMIiS_gI4WEABWAFqBUVDT05PcghYT1FEMFpFU3oKCMSYARIENjMwMQoyCNemARIDNTg4GJjOASDYswEojpX-AjDWlf4COFhAAVgBagVFQ09OT3IIWE9RRDBaRVMSCggBEAEYASoCV1MYASIECAEQASgCKAMoBDAB)

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Tue, 25 Nov - Wed, 26 Nov

YOW

Ottawa

BWI

Baltimore

£724

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:25/11/2025TANYT&leg2=from:BWI,to:YOW,departure:26/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:723.60&airProductToken=AQq1AQoyCNemARIDNTg5GNizASCYzgEowIH-AjCVgv4COFFAAFgBagVFQ09OT3IIUU81RDBaRVMKPwjXpgESBDYzNDAYmM4BIOO0ASi8g_4CMJmE_gI4UUABWAFqBUVDT05PcghRTzVEMFpFU3oKCMSYARIENjM0MAo-CNemARIENzE5NRjjtAEgwUUogob-AjDchv4COFFAAVgBagVFQ09OT3IIUU81RDBaRVN6CgjEmAESBDcxOTUKswEKPQjXpgESBDU1ODUYwUUg4Fwo8Y3-AjDvjv4COFhAAFgBagVFQ09OT3IIWE9RRDBaRVN6CgjEmAESBDU1ODUKPgjXpgESBDYzMDEY4FwgmM4BKIWR_gIwiJL-AjhYQAFYAWoFRUNPTk9yCFhPUUQwWkVTegoIxJgBEgQ2MzAxCjII16YBEgM1ODgYmM4BINizASiOlf4CMNaV_gI4WEABWAFqBUVDT05PcghYT1FEMFpFUxIKCAEQARgBKgJXUxgBIgQIARABKAIoAygEMAE)

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Tue, 25 Nov - Wed, 26 Nov

YOW

Ottawa

BWI

Baltimore

£742

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:25/11/2025TANYT&leg2=from:BWI,to:YOW,departure:26/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:741.40&airProductToken=AQq1AQoyCNemARIDNTg5GNizASCYzgEowIH-AjCVgv4COFFAAFgBagVFQ09OT3IIUU81RDBaRVMKPwjXpgESBDYzNDMYmM4BIOO0ASjEhP4CMJaF_gI4UUABWAFqBUVDT05PcghRTzVEMFpFU3oKCMSYARIENjM0Mwo-CNemARIENzE5NRjjtAEgwUUogob-AjDchv4COFFAAVgBagVFQ09OT3IIUU81RDBaRVN6CgjEmAESBDcxOTUKswEKPQjXpgESBDU1ODUYwUUg4Fwo8Y3-AjDvjv4COFhAAFgBagVFQ09OT3IIWE9RRDBaRVN6CgjEmAESBDU1ODUKPgjXpgESBDYzMDEY4FwgmM4BKIWR_gIwiJL-AjhYQAFYAWoFRUNPTk9yCFhPUUQwWkVTegoIxJgBEgQ2MzAxCjII16YBEgM1ODgYmM4BINizASiOlf4CMNaV_gI4WEABWAFqBUVDT05PcghYT1FEMFpFUxIKCAEQARgBKgJXUxgBIgQIARABKAIoAygEMAE)

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Mon, 10 Nov - Fri, 14 Nov

YOW

Ottawa

BWI

Baltimore

£749

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:10/11/2025TANYT&leg2=from:BWI,to:YOW,departure:14/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:748.20&airProductToken=AQqlAQoxCNemARIDNjkzGNizASCYMSiP3_wCMKPh_AI4TkAAWAFqBUVDT05PcghOTzdEMFpFUwoxCNemARIEMTkwMhiYMSDgXCjR4vwCMNzk_AI4TkABWAFqBUVDT05PcghOTzdEMFpFUwo9CNemARIENzAwMBjgXCDBRSjh5fwCMMvm_AI4TkABWAFqBUVDT05PcghOTzdEMFpFU3oKCMSYARIENzAwMAqzAQo9CNemARIENjUwNBjBRSDgXCjsiP0CMOOJ_QI4TkAAWAFqBUVDT05PcghOTzdEMFpFU3oKCMSYARIENjUwNAo-CNemARIENzA3ORjgXCCYzgEor4z9AjCzjf0COE5AAVgBagVFQ09OT3IITk83RDBaRVN6CgjEmAESBDcwNzkKMgjXpgESAzU4OBiYzgEg2LMBKI6O_QIw1o79AjhOQAFYAWoFRUNPTk9yCE5PN0QwWkVTEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ)

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Mon, 10 Nov - Fri, 14 Nov

YOW

Ottawa

BWI

Baltimore

£754

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:10/11/2025TANYT&leg2=from:BWI,to:YOW,departure:14/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:753.10&airProductToken=AQq1AQoyCNemARIDNTg5GNizASCYzgEo4Nj8AjC12fwCOE5AAFgBagVFQ09OT3IITk83RDBaRVMKPwjXpgESBDYzNDAYmM4BIOO0ASjc2vwCMLnb_AI4TkABWAFqBUVDT05PcghOTzdEMFpFU3oKCMSYARIENjM0MAo-CNemARIENzE5NRjjtAEgwUUoo938AjD93fwCOE5AAVgBagVFQ09OT3IITk83RDBaRVN6CgjEmAESBDcxOTUKswEKPQjXpgESBDY1MDQYwUUg4Fwo7Ij9AjDjif0COE5AAFgBagVFQ09OT3IITk83RDBaRVN6CgjEmAESBDY1MDQKPgjXpgESBDcwNzkY4FwgmM4BKK-M_QIws439AjhOQAFYAWoFRUNPTk9yCE5PN0QwWkVTegoIxJgBEgQ3MDc5CjII16YBEgM1ODgYmM4BINizASiOjv0CMNaO_QI4TkABWAFqBUVDT05PcghOTzdEMFpFUxIKCAEQARgBKgJXUxgBIgQIARABKAIoAygEMAE)

![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif)

Mon, 10 Nov - Fri, 14 Nov

YOW

Ottawa

BWI

Baltimore

£766

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:YOW,to:BWI,departure:10/11/2025TANYT&leg2=from:BWI,to:YOW,departure:14/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:766.00&airProductToken=AQqlAQoxCNemARIDNjkzGNizASCYMSiP3_wCMKPh_AI4TkAAWAFqBUVDT05PcghOTzdEMFpFUwoxCNemARIEMTkwMhiYMSDgXCjR4vwCMNzk_AI4TkABWAFqBUVDT05PcghOTzdEMFpFUwo9CNemARIENzAwMBjgXCDBRSjh5fwCMMvm_AI4TkABWAFqBUVDT05PcghOTzdEMFpFU3oKCMSYARIENzAwMAqzAQo9CNemARIENTU4NRjBRSDgXCjxhv0CMO-H_QI4TkAAWAFqBUVDT05PcghOTzdEMFpFU3oKCMSYARIENTU4NQo-CNemARIENjMwMRjgXCCYzgEohYr9AjCIi_0COE5AAVgBagVFQ09OT3IITk83RDBaRVN6CgjEmAESBDYzMDEKMgjXpgESAzU4OBiYzgEg2LMBKI6O_QIw1o79AjhOQAFYAWoFRUNPTk9yCE5PN0QwWkVTEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ)

## Find the cheapest month to fly from Ottawa (YOW) to Baltimore (BWI)

### May is typically the cheapest month to fly

From £276 - £722 per traveller.

Flight from Ottawa to Baltimore route information

| Origin airport | Macdonald-Cartier Intl. |
| --- | --- |
| Destination airport | Baltimore Washington Intl. Thurgood Marshall |
| Airlines serving | WestJet |
| Return price | £569 |
| Distance | 684 km |

## Compare flights from Ottawa to Baltimore easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Ottawa to Baltimore. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Baltimore Washington Intl. Thurgood Marshall in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Macdonald-Cartier Intl. to Baltimore Washington Intl. Thurgood Marshall.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Macdonald-Cartier Intl. (YOW) to Baltimore Washington Intl. Thurgood Marshall (BWI)

The easiest way to view the best deals on flights from Ottawa to Baltimore today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Macdonald-Cartier Intl. to Baltimore Washington Intl. Thurgood Marshall start at just £570 and range up to £766.  

To find an even better deal, try  

-   being flexible on your dates – midweek flights can be cheaper
-   looking for other airports near Ottawa and Baltimore
-   booking your flight during January, the cheapest month on this route
-   varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Ottawa to Baltimore flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Macdonald-Cartier Intl. to Baltimore Washington Intl. Thurgood Marshall for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

## Frequently asked questions

### How much is a flight from Ottawa Intl. Airport to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?

> Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from Macdonald-Cartier Intl. Airport (YOW) to BWI was £570. Cheap fares don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.

### Do I need to pay a cancellation fee if I cancel my flight from YOW to BWI Marshall?

> The majority of flights can be cancelled online, but whether you incur a fee all comes down to your airline. If you do have to cancel your escape, follow the easy instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033).

### How do I find cheap flights from Ottawa Intl. Airport to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) that have flexible change policies?

> Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Macdonald-Cartier Intl. Airport (YOW) to BWI Airport flights, you'll see a "no change fees" filter for you to select.

### How far is the flight from YOW to BWI Airport?

> A flight distance of just 690 kilometres separates Ottawa and Baltimore. Once you're up in the skies, you won't have time to do much more than read the in-flight magazine.

### Which airlines fly direct from Ottawa International Airport to BWI Marshall?

> Right now, no airlines offer flights directly from Ottawa Intl. Airport to BWI Marshall. You'll have to book a flight with one or more stops. To get the best connections and price, lock in your airfare well ahead of time.

### Are Macdonald-Cartier Intl. Airport (YOW) to BWI flight tickets cheaper when they're purchased at the last minute?

> It is possible to pick up a great last-minute deal from Macdonald-Cartier Intl. Airport (YOW) to BWI, but it's also possible to miss out entirely! As many airlines publish prices up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can be certain you're always getting the latest offers.

## Explore a world of travel with Expedia

-   Flights

### Flights

-   [Flights from Aachen (AAH) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/aah/was/aachen-to-washington)
-   [Flights from Athens (ATH) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/ath/was/athens-to-washington)
-   [Flights from Hartford (BDL) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/bdl/was/hartford-to-washington)
-   [Flights from Belfast (BFS) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/bfs/was/belfast-to-washington)
-   [Flights from Bangor (BGR) to College Park (CGS)](https://www.expedia.co.uk/lp/flights/bgr/cgs/bangor-to-college-park)
-   [Flights from Beijing (BJS) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/bjs/was/beijing-to-washington)
-   [Flights from Boston (BOS) to Baltimore (MTN)](https://www.expedia.co.uk/lp/flights/bos/mtn/boston-to-baltimore)
-   [Flights from Boston (BOS) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/bos/was/boston-to-washington)
-   [Flights from Bole (BPL) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/bpl/was/bole-to-washington)
-   [Flights from Bourke (BRK) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/brk/was/bourke-to-washington)
-   [Flights from Bristol (BRS) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/brs/was/bristol-to-washington)
-   [Flights from Baton Rouge (BTR) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/btr/was/baton-rouge-to-washington)
-   [Flights from Bou Saada (BUJ) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/buj/was/bou-saada-to-washington)
-   [Flights from Vilhena (BVH) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/bvh/was/vilhena-to-washington)
-   [Flights from Baltimore (BWI) to College Park (CGS)](https://www.expedia.co.uk/lp/flights/bwi/cgs/baltimore-to-college-park)
-   [Flights from Brazzaville (BZV) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/bzv/was/brazzaville-to-washington)
-   [Flights from Carlisle (CAX) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/cax/was/carlisle-to-washington)
-   [Flights from Cumberland (CBE) to Fort Meade (FME)](https://www.expedia.co.uk/lp/flights/cbe/fme/cumberland-to-fort-meade)
-   [Flights from Cedar Rapids (CID) to College Park (CGS)](https://www.expedia.co.uk/lp/flights/cid/cgs/cedar-rapids-to-college-park)
-   [Flights from Jacksonville (CRG) to Fort Meade (FME)](https://www.expedia.co.uk/lp/flights/crg/fme/jacksonville-to-fort-meade)
-   [Flights from Corinth (CRX) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/crx/was/corinth-to-washington)
-   [Flights from Cancun (CUN) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/cun/was/cancun-to-washington)
-   [Flights from Coventry (CVT) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/cvt/was/coventry-to-washington)
-   [Flights from Dublin (DUB) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/dub/was/dublin-to-washington)
-   [Flights from Dubai (DXB) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/dxb/was/dubai-to-washington)
-   [Flights from Edinburgh (EDI) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/edi/was/edinburgh-to-washington)
-   [Flights from Ankara (ESB) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/esb/was/ankara-to-washington)
-   [Flights from Exeter (EXT) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/ext/was/exeter-to-washington)
-   [Flights from Friday Harbor (FBS) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/fbs/was/friday-harbor-to-washington)
-   [Flights from Hermiston (HES) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/hes/was/hermiston-to-washington)
-   [Flights from Houston (HOU) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/hou/was/houston-to-washington)
-   [Flights from Houston (IAH) to Annapolis (ANP)](https://www.expedia.co.uk/lp/flights/iah/anp/houston-to-annapolis)
-   [Flights from Istanbul (IST) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/ist/was/istanbul-to-washington)
-   [Flights from New York (JFK) to Annapolis (ANP)](https://www.expedia.co.uk/lp/flights/jfk/anp/new-york-to-annapolis)
-   [Flights from New York (JFK) to College Park (CGS)](https://www.expedia.co.uk/lp/flights/jfk/cgs/new-york-to-college-park)
-   [Flights from New York (JFK) to Fort Meade (FME)](https://www.expedia.co.uk/lp/flights/jfk/fme/new-york-to-fort-meade)
-   [Flights from Gwangju (KWJ) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/kwj/was/gwangju-to-washington)
-   [Flights from Lamar (LAA) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/laa/was/lamar-to-washington)
-   [Flights from Los Angeles (LAX) to Annapolis (ANP)](https://www.expedia.co.uk/lp/flights/lax/anp/los-angeles-to-annapolis)
-   [Flights from Los Angeles (LAX) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/lax/was/los-angeles-to-washington)
-   [Flights from Lumberton (LBT) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/lbt/was/lumberton-to-washington)
-   [Flights from London (LHR) to Annapolis (ANP)](https://www.expedia.co.uk/lp/flights/lhr/anp/london-to-annapolis)
-   [Flights from London (LHR) to College Park (CGS)](https://www.expedia.co.uk/lp/flights/lhr/cgs/london-to-college-park)
-   [Flights from Lakeview (LKV) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/lkv/was/lakeview-to-washington)
-   [Flights from London (LON) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/lon/was/london-to-washington)
-   [Flights from Liverpool (LPL) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/lpl/was/liverpool-to-washington)
-   [Flights from Manchester (MAN) to Annapolis (ANP)](https://www.expedia.co.uk/lp/flights/man/anp/manchester-to-annapolis)
-   [Flights from Manchester (MAN) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/man/was/manchester-to-washington)
-   [Flights from Orlando (MCO) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/mco/was/orlando-to-washington)
-   [Flights from Manta (MEC) to Baltimore (MTN)](https://www.expedia.co.uk/lp/flights/mec/mtn/manta-to-baltimore)
-   [Flights from Memphis (MEM) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/mem/was/memphis-to-washington)
-   [Flights from Merida (MID) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/mid/was/merida-to-washington)
-   [Flights from Minot (MOT) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/mot/was/minot-to-washington)
-   [Flights from Moscow (MOW) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/mow/was/moscow-to-washington)
-   [Flights from New Orleans (MSY) to College Park (CGS)](https://www.expedia.co.uk/lp/flights/msy/cgs/new-orleans-to-college-park)
-   [Flights from New Orleans (MSY) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/msy/was/new-orleans-to-washington)
-   [Flights from Munich (MUC) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/muc/was/munich-to-washington)
-   [Flights from Marudi (MUR) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/mur/was/marudi-to-washington)
-   [Flights from Newcastle (NCL) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/ncl/was/newcastle-to-washington)
-   [Flights from Mandera (NDE) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/nde/was/mandera-to-washington)
-   [Flights from N'Djamena (NDJ) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/ndj/was/ndjamena-to-washington)
-   [Flights from Namangan (NMA) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/nma/was/namangan-to-washington)
-   [Flights from Nevers (NVS) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/nvs/was/nevers-to-washington)
-   [Flights from New York (NYC) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/nyc/was/new-york-to-washington)
-   [Flights from Naha (OKA) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/oka/was/naha-to-washington)
-   [Flights from Oxford (OXF) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/oxf/was/oxford-to-washington)
-   [Flights from Philadelphia (PHL) to Fort Meade (FME)](https://www.expedia.co.uk/lp/flights/phl/fme/philadelphia-to-fort-meade)
-   [Flights from Pensacola (PNS) to Baltimore (MTN)](https://www.expedia.co.uk/lp/flights/pns/mtn/pensacola-to-baltimore)
-   [Flights from Rapid City (RAP) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/rap/was/rapid-city-to-washington)
-   [Flights from Reading (RDG) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/rdg/was/reading-to-washington)
-   [Flights from Reykjavik (REK) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/rek/was/reykjavik-to-washington)
-   [Flights from Savannah (SAV) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/sav/was/savannah-to-washington)
-   [Flights from Stockton (SCK) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/sck/was/stockton-to-washington)
-   [Flights from Seattle (SEA) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/sea/was/seattle-to-washington)
-   [Flights from San Francisco (SFO) to Baltimore (MTN)](https://www.expedia.co.uk/lp/flights/sfo/mtn/san-francisco-to-baltimore)
-   [Flights from Salt Lake City (SLC) to College Park (CGS)](https://www.expedia.co.uk/lp/flights/slc/cgs/salt-lake-city-to-college-park)
-   [Flights from Salt Lake City (SLC) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/slc/was/salt-lake-city-to-washington)
-   [Flights from Salalah (SLL) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/sll/was/salalah-to-washington)
-   [Flights from Sacramento (SMF) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/smf/was/sacramento-to-washington)
-   [Flights from Sarasota (SRQ) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/srq/was/sarasota-to-washington)
-   [Flights from London (STN) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/stn/was/london-to-washington)
-   [Flights from Syracuse (SYR) to College Park (CGS)](https://www.expedia.co.uk/lp/flights/syr/cgs/syracuse-to-college-park)
-   [Flights from Torrance (TOA) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/toa/was/torrance-to-washington)
-   [Flights from Topeka (TOP) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/top/was/topeka-to-washington)
-   [Flights from Tampa (TPA) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/tpa/was/tampa-to-washington)
-   [Flights from Trenton (TTN) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/ttn/was/trenton-to-washington)
-   [Flights from Lake Tahoe (TVL) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/tvl/was/lake-tahoe-to-washington)
-   [Flights from Tokyo (TYO) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/tyo/was/tokyo-to-washington)
-   [Flights from Knoxville (TYS) to College Park (CGS)](https://www.expedia.co.uk/lp/flights/tys/cgs/knoxville-to-college-park)
-   [Flights from Quelimane (UEL) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/uel/was/quelimane-to-washington)
-   [Flights from Quito (UIO) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/uio/was/quito-to-washington)
-   [Flights from Vichy (VHY) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/vhy/was/vichy-to-washington)
-   [Flights from Vienna (VIE) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/vie/was/vienna-to-washington)
-   [Flights from Ambatondrazaka (WAM) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/wam/was/ambatondrazaka-to-washington)
-   [Flights from Wonju (WJU) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/wju/was/wonju-to-washington)
-   [Flights from Tuntutuliak (WTL) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/wtl/was/tuntutuliak-to-washington)
-   [Flights from Cat Lake (YAC) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/yac/was/cat-lake-to-washington)
-   [Flights from Baie-Comeau (YBC) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/ybc/was/baie-comeau-to-washington)
-   [Flights from Toronto (YTO) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/yto/was/toronto-to-washington)
-   [Flights from Sarnia (YZR) to Washington (WAS)](https://www.expedia.co.uk/lp/flights/yzr/was/sarnia-to-washington)

\*Available to Expedia members.