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

View AU$322 flight on Thu, 3 Dec 2026Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$569 Return, found 5 days ago
AU$569
Return
found 5 days ago
Select Air Canada flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$569 found 5 days ago
Air Canada
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$574 Return, found 5 days ago
AU$574
Return
found 5 days ago
Select Air Canada flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$574 found 5 days ago
Air Canada
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$581 Return, found 5 days ago
AU$581
Return
found 5 days ago
Select Air Canada flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$581 found 5 days ago
Air Canada
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$595 Return, found 5 days ago
AU$595
Return
found 5 days ago
Select Air Canada flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$595 found 5 days ago
United
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$600 Return, found 5 days ago
AU$600
Return
found 5 days ago
Select United flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$600 found 5 days ago
United
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$602 Return, found 5 days ago
AU$602
Return
found 5 days ago
Select United flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$602 found 5 days ago
United
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$606 Return, found 5 days ago
AU$606
Return
found 5 days ago
Select United flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$606 found 5 days ago
Air Canada
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$615 Return, found 5 days ago
AU$615
Return
found 5 days ago
Select Air Canada flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$615 found 5 days ago
Air Canada
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$620 Return, found 5 days ago
AU$620
Return
found 5 days ago
Select Air Canada flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$620 found 5 days ago
American Airlines
Sat, 1 Aug - Sun, 2 Aug
YOW
Ottawa
DCA
Washington
AU$1,007 Return, found 5 days ago
AU$1,007
Return
found 5 days ago
Select American Airlines flight, departing Sat, 1 Aug from Ottawa to Washington, returning Sun, 2 Aug, priced at AU$1,007 found 5 days ago

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

March is typically the cheapest month to fly

From AU$376 - AU$832 per traveller.

Frequently asked questions

How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) cost?
You can find one-way and return flights from YOW to DCA with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when YOW to DCA ticket fares go up or down.
What is the cheapest month to fly from Ottawa, ON (YOW) to Washington, DC (DCA)?
The cheapest months to fly from Ottawa, ON (YOW) to Washington, DC (DCA) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Only one airline offers direct flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National). Air Canada operates 7 direct flights from YOW to DCA every week.
What is the cheapest airline that flies from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Air Canada is one of the cheapest airlines offering nonstop return flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), with prices starting from around AU$462 for flights that can be booked for departure within the next year. Passaredo Transportes Aereos offers one of the cheapest connecting return flights on this route, with a layover in Billy Bishop Toronto City (YTZ), starting from around AU$778. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Ottawa, ON (YOW) to Washington, DC (DCA)?
To find a cheap flight from Ottawa, ON (YOW) to Washington, DC (DCA), 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 Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best airline to fly with from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) 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. Air Canada offers the most daily flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), 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 Ottawa, ON (YOW) to Washington, DC (DCA)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
You'll find approximately 25 connecting flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National). Some common connection points include Pearson Intl. (YYZ), O'Hare Intl. (ORD), and Liberty Intl. (EWR).
What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) typically departs around 5:00 AM. This service is operated by Air Canada. This is a seasonal service, active only in February. An early departure like this can help you make the most of 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 Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
You'll generally find the most flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) on a Thursday, with around 27 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Air Canada, United, and Porter Airlines. Flight schedules are fairly consistent throughout the week, with Thursday offering only slightly more flights than other weekdays.
What are the most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) are between 9am and 12pm. Many major carriers, including Air Canada, United and Porter Airlines, offer flights during this window. Many travellers prefer these times as they allow for a productive morning before heading to the airport, and you'll arrive at your destination with plenty of time to settle in.
How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
When flying from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), you have a few options. A nonstop flight typically takes around 1 hour 30 minutes, covering a distance of approximately 729 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 4 hours 30 minutes. Flights with two or more stops generally take about 12 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
You can fly business class or first class between YOW and DCA. You can fly business class with Air Canada and United.First class cabins are available on Air Canada and United.
How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) 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 Washington, DC (DCA) from Ottawa, ON (YOW)?
If you're planning to travel to Washington from Macdonald-Cartier Intl. (YOW), you can fly directly into Ronald Reagan Washington National (DCA). Some flights may connect through major hubs like Pearson Intl. (YYZ), Billy Bishop Toronto City (YTZ), or Pierre Elliott Trudeau Intl. (YUL) before reaching Washington. 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 Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) 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 Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) 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 Ottawa, ON (YOW) to Washington, DC (DCA)?
If you booked your Ottawa, ON (YOW) to Washington, DC (DCA) 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
Macdonald-Cartier Intl.
Destination airport
Ronald Reagan Washington National
Return price
AU$569
Distance
724 km
Average flight time
1 hour 35 mins

Book with confidence

Your quick guide to flights from Ottawa to Washington

Pick up great flights from Ottawa to Washington

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Ottawa to Washington. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Ottawa to Washington that take around hours.

Find cheap flights from Ottawa to Washington

From the great flight deals with prices currently ranging from AU$569 to AU$1,007, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Ottawa to Washington around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Washington is normally in August.

Reasons to book your flight from Ottawa to Washington with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Ottawa to Washington across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Washington right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Ottawa to Washington

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