$209 Cheap Flights from Washington (DCA) to Ottawa (YOW)

View $209 flight on Wed, May 13, 2026Opens in a new window

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

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Cheap Flights from Washington to Ottawa (DCA-YOW)

Prices were available within the past 7 days and start at $209 for one-way flights and $376 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Apr 22 - Thu, Apr 23
DCA
Washington
YOW
Ottawa
$376 Roundtrip, found 21 hours ago
$376
Roundtrip
found 21 hours ago
Select Air Canada flight, departing Wed, Apr 22 from Washington to Ottawa, returning Thu, Apr 23, priced at $376 found 21 hours ago
Air Canada
Wed, May 13 - Thu, May 14
DCA
Washington
YOW
Ottawa
$407 Roundtrip, found 1 day ago
$407
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, May 13 from Washington to Ottawa, returning Thu, May 14, priced at $407 found 1 day ago
Air Canada
Mon, Mar 30 - Tue, Mar 31
DCA
Washington
YOW
Ottawa
$425 Roundtrip, found 6 days ago
$425
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Mar 30 from Washington to Ottawa, returning Tue, Mar 31, priced at $425 found 6 days ago
Air Canada
Thu, May 28 - Fri, May 29
DCA
Washington
YOW
Ottawa
$436 Roundtrip, found 3 days ago
$436
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, May 28 from Washington to Ottawa, returning Fri, May 29, priced at $436 found 3 days ago
Air Canada
Thu, May 21 - Mon, May 25
DCA
Washington
YOW
Ottawa
$437 Roundtrip, found 4 days ago
$437
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, May 21 from Washington to Ottawa, returning Mon, May 25, priced at $437 found 4 days ago
Air Canada
Mon, Mar 30 - Tue, Mar 31
DCA
Washington
YOW
Ottawa
$450 Roundtrip, found 6 days ago
$450
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Mar 30 from Washington to Ottawa, returning Tue, Mar 31, priced at $450 found 6 days ago
American Airlines
Sun, Apr 5 - Sat, May 2
DCA
Washington
YOW
Ottawa
$452 Roundtrip, found 6 days ago
$452
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Apr 5 from Washington to Ottawa, returning Sat, May 2, priced at $452 found 6 days ago
United
Wed, May 13 - Sat, May 16
DCA
Washington
YOW
Ottawa
$460 Roundtrip, found 3 hours ago
$460
Roundtrip
found 3 hours ago
Select United flight, departing Wed, May 13 from Washington to Ottawa, returning Sat, May 16, priced at $460 found 3 hours ago
Porter Airlines
Wed, Apr 1 - Thu, Apr 2
DCA
Washington
YOW
Ottawa
$604 Roundtrip, found 4 days ago
$604
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Wed, Apr 1 from Washington to Ottawa, returning Thu, Apr 2, priced at $604 found 4 days ago
WestJet
Thu, Jun 11 - Sun, Jun 14
DCA
Washington
YOW
Ottawa
$1,386 Roundtrip, found 4 hours ago
$1,386
Roundtrip
found 4 hours ago
Select WestJet flight, departing Thu, Jun 11 from Washington to Ottawa, returning Sun, Jun 14, priced at $1,386 found 4 hours ago

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Alternative airports near Ottawa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Macdonald-Cartier Intl. YOW. Cheapest option available. Average driving time to city center is 15 minutes. Flights from $559
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city center15 min
Flights from $559

Find the cheapest month to fly from Washington (DCA) to Ottawa (YOW)

May is typically the cheapest month to fly

From $258 - $783 per traveler.

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) cost?
You can find cheap one-way flights from $209 and cheap return flights from $376 Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) with Expedia. One-way flights usually range from $137 to $827, and return flights typically cost between $452 and $1320. 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 Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier 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 the cheapest month to fly from Washington, DC (DCA) to Ottawa, ON (YOW), with average return fares around $411. This is about 13% lower than the average price throughout the year, as travel tends to slow down after the winter months. Other economical months to fly 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.)?
Air Canada operates around 7 direct flights from DCA to YOW every week.
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, Air Canada offers early morning flights. If price is the most important factor, Air Canada typically offers the lowest fares. Delta offers the most daily flights from DCA to YOW, 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.)?
The best times to fly from Washington, DC (DCA) to Ottawa, ON (YOW) are in February and March. February offers lower fares averaging around $411, while March is also a popular choice. These months provide a good mix of affordability and pleasant travel conditions, making them ideal for your journey.*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.)?
You can find approximately 1 nonstop flights per day from Ronald Reagan Washington National (DCA) to Macdonald-Cartier Intl. (YOW). For more options, look at flights that include layovers.
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The earliest flight from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier International Airport (YOW) typically departs at around 6:00 AM, operated by Air Canada. This service is seasonal, active in November and December, and an early departure can help you maximize your time in Ottawa. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
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 Ronald Reagan Washington National (DCA) to Macdonald-Cartier Intl. (YOW) are in the morning, from 6am to 9am. About 34% of passengers prefer this time window. Many major carriers, including Air Canada, United Airlines and Delta Airlines, offer flights during this window. This timing works well because it allows you to arrive in Ottawa early in the day.
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 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.)?
Business class seats are offered on the DCA to YOW route with Air Canada and United Airlines.First class cabins are available on:

  • United Airlines
  • Air Canada
  • Delta Air Lines

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.) Ottawa Vacation Packages 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, American Airlines, Porter Airlines, United, WestJet
Roundtrip price
$334
Distance
452 mi
Average flight time
1 hour 35 mins

Book with confidence

Washington to Ottawa Flights

The cheapest times to fly from Washington to Ottawa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Ottawa are during the month of April. You can find some of the cheapest flights from Washington to Ottawa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Ottawa

Sunday is one of the best days to book for cheap flights from Washington to Ottawa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Ottawa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Ottawa in 2026. You can also book with separate airlines for your outbound and return journeys, from $209 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Ottawa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Ottawa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Ottawa Flights

*Flight schedules are subject to change.

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*Available to One Key members.