£128 Cheap Flights from Washington (DCA) to Ottawa (YOW)

View £128 flight on Fri, 4 Sept 2026Opens in a new window

Flight 1

Popular airlines from Ronald Reagan National Airport (DCA) to Ottawa International Airport (YOW)

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Cheap Flights from Washington (DCA) to Ottawa (YOW)

Prices were available within the past 7 days and start at £128 for one-way flights and £362 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 16 Dec - Wed, 23 Dec
DCA
Washington
YOW
Ottawa
£362 Return, found 1 day ago
£362
Return
found 1 day ago
Select Air Canada flight, departing Wed, 16 Dec from Washington to Ottawa, returning Wed, 23 Dec, priced at £362 found 1 day ago
Air Canada
Wed, 16 Dec - Wed, 23 Dec
DCA
Washington
YOW
Ottawa
£365 Return, found 1 day ago
£365
Return
found 1 day ago
Select Air Canada flight, departing Wed, 16 Dec from Washington to Ottawa, returning Wed, 23 Dec, priced at £365 found 1 day ago
Air Canada
Wed, 16 Dec - Wed, 23 Dec
DCA
Washington
YOW
Ottawa
£366 Return, found 1 day ago
£366
Return
found 1 day ago
Select Air Canada flight, departing Wed, 16 Dec from Washington to Ottawa, returning Wed, 23 Dec, priced at £366 found 1 day ago
Air Canada
Thu, 10 Sept - Wed, 16 Sept
DCA
Washington
YOW
Ottawa
£366 Return, found 2 hours ago
£366
Return
found 2 hours ago
Select Air Canada flight, departing Thu, 10 Sept from Washington to Ottawa, returning Wed, 16 Sept, priced at £366 found 2 hours ago
Air Canada
Wed, 16 Dec - Wed, 23 Dec
DCA
Washington
YOW
Ottawa
£368 Return, found 1 day ago
£368
Return
found 1 day ago
Select Air Canada flight, departing Wed, 16 Dec from Washington to Ottawa, returning Wed, 23 Dec, priced at £368 found 1 day ago
Air Canada
Thu, 10 Sept - Wed, 16 Sept
DCA
Washington
YOW
Ottawa
£369 Return, found 2 hours ago
£369
Return
found 2 hours ago
Select Air Canada flight, departing Thu, 10 Sept from Washington to Ottawa, returning Wed, 16 Sept, priced at £369 found 2 hours ago
Air Canada
Thu, 16 Jul - Sat, 18 Jul
DCA
Washington
YOW
Ottawa
£371 Return, found 4 days ago
£371
Return
found 4 days ago
Select Air Canada flight, departing Thu, 16 Jul from Washington to Ottawa, returning Sat, 18 Jul, priced at £371 found 4 days ago
Air Canada
Thu, 16 Jul - Thu, 23 Jul
DCA
Washington
YOW
Ottawa
£372 Return, found 3 days ago
£372
Return
found 3 days ago
Select Air Canada flight, departing Thu, 16 Jul from Washington to Ottawa, returning Thu, 23 Jul, priced at £372 found 3 days ago
Air Canada
Thu, 10 Sept - Wed, 16 Sept
DCA
Washington
YOW
Ottawa
£372 Return, found 2 hours ago
£372
Return
found 2 hours ago
Select Air Canada flight, departing Thu, 10 Sept from Washington to Ottawa, returning Wed, 16 Sept, priced at £372 found 2 hours ago
Air Canada
Thu, 16 Jul - Sat, 18 Jul
DCA
Washington
YOW
Ottawa
£373 Return, found 4 days ago
£373
Return
found 4 days ago
Select Air Canada flight, departing Thu, 16 Jul from Washington to Ottawa, returning Sat, 18 Jul, priced at £373 found 4 days ago

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) cost?
One-way flights typically cost between $397 and $1,679 and return flights often range between $1,217 and $3,134. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
March is typically the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), with average round-trip fares of approximately 999 CAD. This is about 13% lower than the average price throughout the year. March often sees lower prices as the peak winter travel season winds down and before the summer rush begins, leading to reduced demand. Other cheap months to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) include February and June.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Enter DCA to YOW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) will differ from traveler to traveler. If you like to fly early, AC offers early morning flights. If price is the most important factor, AC typically offers the lowest fares. DL offers the most daily flights from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Based on booking data from the past year, the cheapest months to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) are typically March and February. During these months, you can expect average round-trip flight prices around 999 CAD. While these months offer the best value, the most popular times to travel are October and September, which means you'll find plenty of flight options then. If you're looking for the best balance, consider that March and February offer significant savings, allowing you to enjoy your trip to Ottawa more.*Prices based on flights available on Expedia in the last year.
How many flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
There are approximately 45 connecting flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.). Some common connection points include Logan Intl. (BOS), LaGuardia (LGA), and Pearson Intl. (YYZ).
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) typically departs at approximately 5:00 AM local time. This service is operated by American Airlines and Porter Airlines, and it's a seasonal service active in May. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
For flights from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), you'll typically find the most options on a Friday, with around 42 flights available. This gives you plenty of choices for your travel plans. Major airlines on this route include Delta Air Lines, United Airlines, and Air Canada. Looking at the weekly schedule, Fridays offer notably more flight options compared to other days.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) are in the early morning, from 6am to 9am. About 35% of passengers prefer this time. Many major carriers, including Air Canada, United Airlines and Delta, offer flights during this window. This timing works well because you can get an early start to your travel day and arrive in Ottawa with plenty of time for your activities.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Direct flights from DCA to YOW usually take about 1 hour 30 minutes, traveling roughly 453 miles. If you opt for a connecting flight, expect to add around 5 hours 20 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Select the "Business class" and "First class" filters when looking for DCA to YOW flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ottawa from Ronald Reagan Washington National (DCA)?
If you're planning to travel to Ottawa from Ronald Reagan Washington National (DCA), you can fly into Macdonald-Cartier Intl. (YOW) Some flights may connect through major hubs like LaGuardia (LGA), Detroit Metropolitan Wayne County (DTW), Logan Intl. (BOS) before reaching Ottawa. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Air Canada
Return price
£284
Distance
724 km
Average flight time
1 hour 31 mins

Book with confidence

Compare flights from Washington to Ottawa easily and book with confidence

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

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 Ronald Reagan Washington National (DCA) to Macdonald-Cartier Intl. (YOW)

The easiest way to view the best deals on flights from Washington to Ottawa 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 Ronald Reagan Washington National to Macdonald-Cartier Intl. start at just £362 and range up to £508.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ronald Reagan Washington National to Macdonald-Cartier Intl. 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.  

Compare flights from Washington to Ottawa easily and book with confidence

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*Available to Expedia members.