Title: £77 Cheap Flights from Seattle to Baltimore (SEA 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) # £77 Cheap Flights from Seattle (SEA) to Baltimore (BWI) [View £77 flight on Tue, 30 Sept 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SEA,to:BWI,departure:30/09/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:76.90&airProductToken=AQovCi0IwaYBEgMzNDQYkgEgwUUo7ZP5AjCjlvkCOFhAAFgBagJTVnIIT0gyT0FWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Baltimore Washington International Airport (BWI) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:bwi,departure:29/09/2025TANYT&leg2=from:bwi,to:sea,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:bwi,departure:29/09/2025TANYT&leg2=from:bwi,to:sea,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:bwi,departure:29/09/2025TANYT&leg2=from:bwi,to:sea,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:sea,to:bwi,departure:29/09/2025TANYT&leg2=from:bwi,to:sea,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:bwi,departure:29/09/2025TANYT&leg2=from:bwi,to:sea,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Sun Country Airlines](https://a.travel-assets.com/air/airlines/sy_sq.svg) Sun Country Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:bwi,departure:29/09/2025TANYT&leg2=from:bwi,to:sea,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SY"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:bwi,departure:29/09/2025TANYT&leg2=from:bwi,to:sea,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from Seattle (SEA) to Baltimore (BWI) Prices were available within the past 7 days and start at £77 for one-way flights and £172 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, 30 Sept - Tue, 7 Oct SEA Seattle BWI Baltimore £172 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:30/09/2025TANYT&leg2=from:BWI,to:SEA,departure:07/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:172.00&airProductToken=AQovCi0IwaYBEgMzNDQYkgEgwUUo7ZP5AjCjlvkCOFhAAFgBagJTVnIIT0gyT0FWQk4KLwotCMGmARIDMzQ5GMFFIJIBKOfa-QIwxt35AjhYQABYAWoCU1ZyCE9IMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 22 Oct - Wed, 29 Oct SEA Seattle BWI Baltimore £189 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:22/10/2025TANYT&leg2=from:BWI,to:SEA,departure:29/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:189.00&airProductToken=AQovCi0IwaYBEgMzNzgYkgEgwUUow4X7AjD4h_sCOFhAAFgBagJTVnIIT0gyT1hVQk4KLwotCMGmARIDMzQ5GMFFIJIBKJrS-wIw-tT7AjhYQABYAWoCU1ZyCE9IMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 29 Oct - Wed, 5 Nov SEA Seattle BWI Baltimore £205 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:29/10/2025TANYT&leg2=from:BWI,to:SEA,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:204.10&airProductToken=AQovCi0IwaYBEgMzNzgYkgEgwUUo59T7AjCY1_sCOFhAAFgBagJTVnIIUUgyT1hVQk4KLwotCMGmARIDMzQ5GMFFIJIBKLah_AIwlqT8AjhYQABYAWoCU1ZyCE9IMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, 30 Sept - Tue, 7 Oct SEA Seattle BWI Baltimore £206 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:30/09/2025TANYT&leg2=from:BWI,to:SEA,departure:07/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:205.40&airProductToken=AQovCi0IwaYBEgMzNzgYkgEgwUUoxo75AjCBkfkCOFhAAFgBagJTVnIIUUgyT1hVQk4KLwotCMGmARIDMzQ5GMFFIJIBKOfa-QIwxt35AjhYQABYAWoCU1ZyCE9IMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 18 Oct - Wed, 22 Oct SEA Seattle BWI Baltimore £206 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:18/10/2025TANYT&leg2=from:BWI,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:205.60&airProductToken=AQovCi0IwaYBEgMzNzgYkgEgwUUow9j6AjD42voCOFhAAFgBagJTVnIIT0gyT1hVQk4KLwotCMGmARIDMzQ5GMFFIJIBKMeD-wIwpob7AjhYQABYAWoCU1ZyCE9IMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 2 Nov - Tue, 4 Nov SEA Seattle BWI Baltimore £227 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:02/11/2025TANYT&leg2=from:BWI,to:SEA,departure:04/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:226.70&airProductToken=AQovCi0IwaYBEgMzNDQYkgEgwUUo_If8AjCmivwCOFhAAFgBagJTVnIIUUgyT0FVQk4KLwotCMGmARIDMzQ5GMFFIJIBKJaW_AIw9pj8AjhYQABYAWoCU1ZyCFFIMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 14 Nov - Mon, 17 Nov SEA Seattle BWI Baltimore £234 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:14/11/2025TANYT&leg2=from:BWI,to:SEA,departure:17/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:233.10&airProductToken=AQovCi0IwaYBEgMzNzgYkgEgwUUoo4n9AjDUi_0COFhAAFgBagJTVnIIUUgyT0FVQk4KLwotCMGmARIDMzc5GMFFIJIBKPCt_QIw4LD9AjhYQABYAWoCU1ZyCFFIMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 23 Oct - Wed, 29 Oct SEA Seattle BWI Baltimore £242 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:23/10/2025TANYT&leg2=from:BWI,to:SEA,departure:29/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:241.70&airProductToken=AQovCi0IwaYBEgMzNDQYkgEgwUUo85b7AjCkmfsCOFhAAFgBagJTVnIITkgyT0FTQk4KLwotCMGmARIDMzQ5GMFFIJIBKJrS-wIw-tT7AjhYQABYAWoCU1ZyCE9IMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 30 Oct - Wed, 5 Nov SEA Seattle BWI Baltimore £251 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:30/10/2025TANYT&leg2=from:BWI,to:SEA,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:250.70&airProductToken=AQovCi0IwaYBEgMzNDQYkgEgwUUo4OX7AjCK6PsCOFhAAFgBagJTVnIITkgyT0FTQk4KLwotCMGmARIDMzQ5GMFFIJIBKLah_AIwlqT8AjhYQABYAWoCU1ZyCE9IMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, 5 Jul - Mon, 6 Jul SEA Seattle BWI Baltimore £376 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BWI,departure:05/07/2026TANYT&leg2=from:BWI,to:SEA,departure:06/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:375.30&airProductToken=AQpoCjIIwYIBEgQyNDI5GJIBIKOxASj_wZEDMOzDkQM4QkAAWAFqBUJBU0lDcghWVkFLWk5CWgoyCMGCARIEMTYxNxijsQEgwUUolMSRAzDRxZEDOEJAAVgBagVCQVNJQ3IIVlZBS1pOQloSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Seattle (SEA) to Baltimore (BWI) ### April is typically the cheapest month to fly From £123 - £390 per traveller. Flight from Seattle to Baltimore route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Baltimore Washington Intl. Thurgood Marshall | | Airlines serving | Alaska Airlines, American Airlines, Delta | | Return price | £172 | | Distance | 3725 km | | Average flight time | 8 hours 37 mins | ## Compare flights from Seattle to Baltimore easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Baltimore. Operating between them 7 flights per day, 20 airlines cover the route. And Alaska Airlines, Southwest Airlines, Hawaiian Airlines, Air Tahiti Nui fly direct, getting you to Baltimore Washington Intl. Thurgood Marshall in just 11hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma 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 Seattle - Tacoma Intl. (SEA) to Baltimore Washington Intl. Thurgood Marshall (BWI) The easiest way to view the best deals on flights from Seattle 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 Seattle - Tacoma Intl. to Baltimore Washington Intl. Thurgood Marshall start at just £172 and range up to £479.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Seattle and Baltimore - booking your flight during September, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Seattle to Baltimore flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma 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 SEA to BWI? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between Sea-Tac Airport and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) was £172. Cheap fares don't hang around forever, so 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 Sea-Tac Airport to BWI? > When it comes to cancellation fees, each airline has its own terms and conditions. If you decide to cancel your trip, visit our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to BWI Marshall 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 Seattle - Tacoma Intl. Airport (SEA) to BWI Marshall flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)? > The flight distance between Sea-Tac Airport and BWI is 3,800 kilometres. Listen to your favourite tunes or read a good book and the journey will zip on by. ### Which airlines fly direct from SEA to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)? > Alaska Airlines (AS) will fly you from Sea-Tac Airport to BWI safely and comfortably. Choose from 30 flights every month along this route. ### Are Seattle - Tacoma Intl. Airport (SEA) to BWI Marshall flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to BWI Marshall last minute could save you some cash. However, it could end up costing you a whole lot more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia. ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Nearby Airports - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Seattle - [Seattle to Bologna (SEA - BLQ)](https://expedia.co.uk/lp/flights/sea/blq/seattle-to-bologna) - [Seattle to Barcelona (SEA - BCN)](https://expedia.co.uk/lp/flights/sea/bcn/seattle-to-barcelona) - [Seattle to Florence (SEA - FLR)](https://expedia.co.uk/lp/flights/sea/flr/seattle-to-florence) - [Seattle to Reykjavik (SEA - KEF)](https://expedia.co.uk/lp/flights/sea/kef/seattle-to-reykjavik) - [Seattle to Nice (SEA - NCE)](https://expedia.co.uk/lp/flights/sea/nce/seattle-to-nice) - [Seattle to Athens (SEA - ATH)](https://expedia.co.uk/lp/flights/sea/ath/seattle-to-athens) - [Seattle to London (SEA - LHR)](https://expedia.co.uk/lp/flights/sea/lhr/seattle-to-london) - [Seattle to Lisbon (SEA - LIS)](https://expedia.co.uk/lp/flights/sea/lis/seattle-to-lisbon) ### Top Routes to Baltimore - [London to Baltimore (LCY - BWI)](https://expedia.co.uk/lp/flights/lcy/bwi/london-to-baltimore) - [Paris to Baltimore (CDG - BWI)](https://expedia.co.uk/lp/flights/cdg/bwi/paris-to-baltimore) - [Amsterdam to Baltimore (AMS - BWI)](https://expedia.co.uk/lp/flights/ams/bwi/amsterdam-to-baltimore) - [Leeds to Baltimore (LBA - BWI)](https://expedia.co.uk/lp/flights/lba/bwi/leeds-to-baltimore) - [Edinburgh to Baltimore (EDI - BWI)](https://expedia.co.uk/lp/flights/edi/bwi/edinburgh-to-baltimore) - [London to Baltimore (STN - BWI)](https://expedia.co.uk/lp/flights/stn/bwi/london-to-baltimore) - [New York to Baltimore (JFK - BWI)](https://expedia.co.uk/lp/flights/jfk/bwi/new-york-to-baltimore) - [Dublin to Baltimore (DUB - BWI)](https://expedia.co.uk/lp/flights/dub/bwi/dublin-to-baltimore) - [Lagos to Baltimore (LOS - BWI)](https://expedia.co.uk/lp/flights/los/bwi/lagos-to-baltimore) - [Birmingham to Baltimore (BHX - BWI)](https://expedia.co.uk/lp/flights/bhx/bwi/birmingham-to-baltimore) - [Panama City to Baltimore (PTY - BWI)](https://expedia.co.uk/lp/flights/pty/bwi/panama-city-to-baltimore) - [Newcastle to Baltimore (NCL - BWI)](https://expedia.co.uk/lp/flights/ncl/bwi/newcastle-to-baltimore) ### Top Routes from Seattle - [Virgin Atlantic Seattle to London](https://expedia.co.uk/lp/flight-routes/virgin-atlantic-from-seattle-tacoma-intl-to-heathrow/vs/sea/lhr) ### Top Routes to Baltimore - [British Airways Leeds to Baltimore](https://expedia.co.uk/lp/flight-routes/british-airways-from-leeds-bradford-to-baltimore-washington-intl-thurgood-marshall/ba/lba/bwi) - [British Airways Newcastle to Baltimore](https://expedia.co.uk/lp/flight-routes/british-airways-from-newcastle-intl-to-baltimore-washington-intl-thurgood-marshall/ba/ncl/bwi) - [British Airways London to Baltimore](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-baltimore-washington-intl-thurgood-marshall/ba/lhr/bwi) ### Top Flight Destinations - [Flights to Las Vegas](https://expedia.co.uk/Cheap-Flights-To-Las-Vegas.d178276.Travel-Guide-Flights) - [Flights to New York](https://expedia.co.uk/Cheap-Flights-To-New-York.d178293.Travel-Guide-Flights) - [Flights to Orlando](https://expedia.co.uk/Cheap-Flights-To-Orlando.d178294.Travel-Guide-Flights) - [Flights to Chicago](https://expedia.co.uk/Cheap-Flights-To-Chicago.d178248.Travel-Guide-Flights) - [Flights to San Diego](https://expedia.co.uk/Cheap-Flights-To-San-Diego.d3073.Travel-Guide-Flights) - [Flights to San Francisco](https://expedia.co.uk/Cheap-Flights-To-San-Francisco.d178305.Travel-Guide-Flights) - [Flights to Los Angeles](https://expedia.co.uk/Cheap-Flights-To-Los-Angeles.d178280.Travel-Guide-Flights) - [Flights to Boston](https://expedia.co.uk/Cheap-Flights-To-Boston.d178239.Travel-Guide-Flights) - [Flights to Miami](https://expedia.co.uk/Cheap-Flights-To-Miami.d178286.Travel-Guide-Flights) - [Flights to Houston](https://expedia.co.uk/Cheap-Flights-To-Houston.d178265.Travel-Guide-Flights) - [Flights to Pigeon Forge](https://expedia.co.uk/Cheap-Flights-To-Pigeon-Forge.d8264.Travel-Guide-Flights) - [Flights to Nashville](https://expedia.co.uk/Cheap-Flights-To-Nashville.d178291.Travel-Guide-Flights) - [Flights to Myrtle Beach](https://expedia.co.uk/Cheap-Flights-To-Myrtle-Beach.d601685.Travel-Guide-Flights) - [Flights to Atlanta](https://expedia.co.uk/Cheap-Flights-To-Atlanta.d178232.Travel-Guide-Flights) - [Flights to San Antonio](https://expedia.co.uk/Cheap-Flights-To-San-Antonio.d178303.Travel-Guide-Flights) - [Flights to Denver](https://expedia.co.uk/Cheap-Flights-To-Denver.d178254.Travel-Guide-Flights) - [Flights to Honolulu](https://expedia.co.uk/Cheap-Flights-To-Honolulu.d1488.Travel-Guide-Flights) - [Flights to Gatlinburg](https://expedia.co.uk/Cheap-Flights-To-Gatlinburg.d7474.Travel-Guide-Flights) - [Flights to Panama City Beach](https://expedia.co.uk/Cheap-Flights-To-Panama-City-Beach.d8021.Travel-Guide-Flights) - [Flights to Atlantic City](https://expedia.co.uk/Cheap-Flights-To-Atlantic-City.d602179.Travel-Guide-Flights) ### Related Airlines - [KLM](https://expedia.co.uk/KLM-Flights.cKL.Travel-Guide-Airlines) - [British Airways](https://expedia.co.uk/British-Airways-Flights.cBA.Travel-Guide-Airlines) - [Air France](https://expedia.co.uk/Air-France-Flights.cAF.Travel-Guide-Airlines) - [Air Canada](https://expedia.co.uk/Air-Canada-Flights.cAC.Travel-Guide-Airlines) - [Lufthansa](https://expedia.co.uk/Lufthansa-Flights.cLH.Travel-Guide-Airlines) - [Icelandair](https://expedia.co.uk/Icelandair-Flights.cFI.Travel-Guide-Airlines) - [Aer Lingus](https://expedia.co.uk/Aer-Lingus-Flights.cEI.Travel-Guide-Airlines) - [Iberia](https://expedia.co.uk/Iberia-Flights.cIB.Travel-Guide-Airlines) - [Turkish Airlines](https://expedia.co.uk/Turkish-Airlines-Flights.cTK.Travel-Guide-Airlines) - [Virgin Atlantic](https://expedia.co.uk/Virgin-Atlantic-Flights.cVS.Travel-Guide-Airlines) - [Finnair](https://expedia.co.uk/Finnair-Flights.cAY.Travel-Guide-Airlines) - [Brussels Airlines](https://expedia.co.uk/Brussels-Airlines-Flights.cSN.Travel-Guide-Airlines) - [Alaska Airlines](https://expedia.co.uk/Alaska-Airlines-Flights.cAS.Travel-Guide-Airlines) - [Austrian Airlines](https://expedia.co.uk/Austrian-Airlines-Flights.cOS.Travel-Guide-Airlines) - [Swiss International Air Lines](https://expedia.co.uk/Swiss-International-Air-Lines-Flights.cLX.Travel-Guide-Airlines) - [SAS](https://expedia.co.uk/Scandinavian-Airlines-Flights.cSK.Travel-Guide-Airlines) Baltimore Airports #### Washington [Seattle to Ronald Reagan Washington National](https://expedia.co.uk/lp/flights/sea/dca/seattle-to-washington) £189.00 ### Nearby Airports - [Boeing Field Airport (BFI)](https://expedia.co.uk/lp/airports/bfi/flights-from-boeing-field-airport) - [Seattle Paine Field Intl. Airport Airport (PAE)](https://expedia.co.uk/lp/airports/pae/flights-from-seattle-paine-field-intl-airport-airport) - [William R. Fairchild Intl. Airport (CLM)](https://expedia.co.uk/lp/airports/clm/flights-from-william-r-fairchild-intl-airport) - [Lopez Island Airport (LPS)](https://expedia.co.uk/lp/airports/lps/flights-from-lopez-island-airport) - [Bowerman Airport (HQM)](https://expedia.co.uk/lp/airports/hqm/flights-from-bowerman-airport) - [Westsound Airport (WSX)](https://expedia.co.uk/lp/airports/wsx/flights-from-westsound-airport) - [Bellingham Intl. Airport (BLI)](https://expedia.co.uk/lp/airports/bli/flights-from-bellingham-intl-airport) - [Pangborn Memorial Airport (EAT)](https://expedia.co.uk/lp/airports/eat/flights-from-pangborn-memorial-airport) ### Expedia's Latest Trends Flights - [Cheap Flights from London (LHR) to Boston (BOS)](https://expedia.co.uk/lp/flights/lhr/bos/london-to-boston) - [Cheap Flights from London (LHR) to Cincinnati (CVG)](https://expedia.co.uk/lp/flights/lhr/cvg/london-to-cincinnati) - [Cheap Flights from London (LHR) to Seattle (SEA)](https://expedia.co.uk/lp/flights/lhr/sea/london-to-seattle) - [Cheap Flights from Boston (BOS) to London (LHR)](https://expedia.co.uk/lp/flights/bos/lhr/boston-to-london) - [Cheap Flights from Las Vegas (LAS) to London (LHR)](https://expedia.co.uk/lp/flights/las/lhr/las-vegas-to-london) - [Cheap Flights from London (LHR) to Anchorage (ANC)](https://expedia.co.uk/lp/flights/lhr/anc/london-to-anchorage) - [Cheap Flights from London (LHR) to Philadelphia (PHL)](https://expedia.co.uk/lp/flights/lhr/phl/london-to-philadelphia) - [Cheap Flights from London (LHR) to Columbus (CMH)](https://expedia.co.uk/lp/flights/lhr/cmh/london-to-columbus) - [Cheap Flights from Manchester (MAN) to Boston (BOS)](https://expedia.co.uk/lp/flights/man/bos/manchester-to-boston) - [Cheap Flights from Las Vegas (LAS) to Los Angeles (LAX)](https://expedia.co.uk/lp/flights/las/lax/las-vegas-to-los-angeles) - [Cheap Flights from London (LHR) to Fort Lauderdale (FLL)](https://expedia.co.uk/lp/flights/lhr/fll/london-to-fort-lauderdale) - [Cheap Flights from London (LON) to New York (NYC)](https://expedia.co.uk/lp/flights/lon/nyc/london-to-new-york) - [Cheap Flights from Las Vegas (LAS) to San Francisco (SFO)](https://expedia.co.uk/lp/flights/las/sfo/las-vegas-to-san-francisco) - [Cheap Flights from London (LHR) to Cleveland (CLE)](https://expedia.co.uk/lp/flights/lhr/cle/london-to-cleveland) - [Cheap Flights from London (LHR) to Pittsburgh (PIT)](https://expedia.co.uk/lp/flights/lhr/pit/london-to-pittsburgh) - [Cheap Flights from Toronto (YYZ) to New York (NYC)](https://expedia.co.uk/lp/flights/yyz/nyc/toronto-to-new-york) - [Cheap Flights from Edinburgh (EDI) to Boston (BOS)](https://expedia.co.uk/lp/flights/edi/bos/edinburgh-to-boston) - [Cheap Flights from Manchester (MAN) to Las Vegas (LAS)](https://expedia.co.uk/lp/flights/man/las/manchester-to-las-vegas) - [Cheap Flights from Los Angeles (LAX) to Las Vegas (LAS)](https://expedia.co.uk/lp/flights/lax/las/los-angeles-to-las-vegas) - [Cheap Flights from Dallas (DFW) to London (LHR)](https://expedia.co.uk/lp/flights/dfw/lhr/dallas-to-london) - [Cheap Flights from Manchester (MAN) to Dallas (DFW)](https://expedia.co.uk/lp/flights/man/dfw/manchester-to-dallas) - [Cheap Flights from San Francisco (SFO) to Las Vegas (LAS)](https://expedia.co.uk/lp/flights/sfo/las/san-francisco-to-las-vegas) - [Cheap Flights from New York (JFK) to Las Vegas (LAS)](https://expedia.co.uk/lp/flights/jfk/las/new-york-to-las-vegas) - [Cheap Flights from London (LHR) to New York (NYC)](https://expedia.co.uk/lp/flights/lhr/nyc/london-to-new-york) - [Cheap Flights from London (LHR) to San Diego (SAN)](https://expedia.co.uk/lp/flights/lhr/san/london-to-san-diego) - [Cheap Flights from Dublin (DUB) to Las Vegas (LAS)](https://expedia.co.uk/lp/flights/dub/las/dublin-to-las-vegas) - [Cheap Flights from Glasgow (GLA) to Las Vegas (LAS)](https://expedia.co.uk/lp/flights/gla/las/glasgow-to-las-vegas) - [Cheap Flights from London (LHR) to Las Vegas (LAS)](https://expedia.co.uk/lp/flights/lhr/las/london-to-las-vegas) - [Cheap Flights from Boston (BOS) to New York (JFK)](https://expedia.co.uk/lp/flights/bos/jfk/boston-to-new-york) - [Cheap Flights from London (LHR) to Dallas (DFW)](https://expedia.co.uk/lp/flights/lhr/dfw/london-to-dallas) \*Available to Expedia members. ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels when you book in the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. Scan the QR code with your device camera and download our app ![QR code to download the app](data:image/png;base64,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)