S$225 Cheap Flights from Ottawa to Washington

View S$225 flight on Thu, 21 Aug, 2025Opens in a new window

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

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Cheap Flights from Ottawa to Washington (YOW-DCA)

Prices were available within the past 7 days and start at S$225 for one-way flights and S$430 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, 18 Aug - Mon, 25 Aug
YOW
Ottawa
DCA
Washington
S$430 Return, found 3 days ago
S$430
Return
found 3 days ago
Select Air Canada flight, departing Mon, 18 Aug from Ottawa to Washington, returning Mon, 25 Aug, priced at S$430 found 3 days ago
Air Canada
Mon, 18 Aug - Mon, 25 Aug
YOW
Ottawa
DCA
Washington
S$430 Return, found 3 days ago
S$430
Return
found 3 days ago
Select Air Canada flight, departing Mon, 18 Aug from Ottawa to Washington, returning Mon, 25 Aug, priced at S$430 found 3 days ago
Air Canada
Mon, 18 Aug - Mon, 25 Aug
YOW
Ottawa
DCA
Washington
S$439 Return, found 3 days ago
S$439
Return
found 3 days ago
Select Air Canada flight, departing Mon, 18 Aug from Ottawa to Washington, returning Mon, 25 Aug, priced at S$439 found 3 days ago
Air Canada
Thu, 21 Aug - Thu, 28 Aug
YOW
Ottawa
DCA
Washington
S$439 Return, found 13 hours ago
S$439
Return
found 13 hours ago
Select Air Canada flight, departing Thu, 21 Aug from Ottawa to Washington, returning Thu, 28 Aug, priced at S$439 found 13 hours ago
Air Canada
Mon, 18 Aug - Mon, 25 Aug
YOW
Ottawa
DCA
Washington
S$447 Return, found 3 days ago
S$447
Return
found 3 days ago
Select Air Canada flight, departing Mon, 18 Aug from Ottawa to Washington, returning Mon, 25 Aug, priced at S$447 found 3 days ago
United
Thu, 21 Aug - Thu, 28 Aug
YOW
Ottawa
DCA
Washington
S$455 Return, found 13 hours ago
S$455
Return
found 13 hours ago
Select United flight, departing Thu, 21 Aug from Ottawa to Washington, returning Thu, 28 Aug, priced at S$455 found 13 hours ago
Air Canada
Mon, 18 Aug - Mon, 25 Aug
YOW
Ottawa
DCA
Washington
S$456 Return, found 3 days ago
S$456
Return
found 3 days ago
Select Air Canada flight, departing Mon, 18 Aug from Ottawa to Washington, returning Mon, 25 Aug, priced at S$456 found 3 days ago
Air Canada
Mon, 18 Aug - Mon, 25 Aug
YOW
Ottawa
DCA
Washington
S$494 Return, found 3 days ago
S$494
Return
found 3 days ago
Select Air Canada flight, departing Mon, 18 Aug from Ottawa to Washington, returning Mon, 25 Aug, priced at S$494 found 3 days ago
United
Mon, 18 Aug - Mon, 25 Aug
YOW
Ottawa
DCA
Washington
S$496 Return, found 3 days ago
S$496
Return
found 3 days ago
Select United flight, departing Mon, 18 Aug from Ottawa to Washington, returning Mon, 25 Aug, priced at S$496 found 3 days ago
Air Canada
Thu, 21 Aug - Thu, 28 Aug
YOW
Ottawa
DCA
Washington
S$497 Return, found 13 hours ago
S$497
Return
found 13 hours ago
Select Air Canada flight, departing Thu, 21 Aug from Ottawa to Washington, returning Thu, 28 Aug, priced at S$497 found 13 hours ago

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

May is typically the cheapest month to fly

From S$301 - S$804 per traveller.

Graph displaying average flight prices per month

Ottawa to Washington route information
Origin airport
Macdonald-Cartier Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, United
Return price
S$430
Distance
724 km
Average flight time
1 hour 38 mins

Perfect flights from Ottawa to Washington

Your Journey from Ottawa to Washington

Start your unforgettable journey with Expedia. Our broad selection of flights from Ottawa to Washington caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Air Canada, United. Our selection of flights from Macdonald-Cartier Intl. to Ronald Reagan Washington National caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Ottawa to Washington Flights

Experience the joy of finding cheap flights from Macdonald-Cartier Intl. to Ronald Reagan Washington National that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$225 and roundtrip prices from S$430*.
 

Pre-Flight Essentials

Ensure a smooth journey from Ottawa to Washington with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Washington

Picture yourself stepping off the plane in Washington and immersing yourself in the unique atmosphere of Washington. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Ottawa to Washington Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Ottawa to Washington.
 

Beyond the Flight – Exploring Washington

With Expedia, your adventure extends beyond the flight. Explore Washington at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Ottawa to Washington with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Ottawa to Washington with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Ottawa Intl. Airport to DCA?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from Macdonald-Cartier Intl. Airport (YOW) to DCA was S$430. Fares this good don't last 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 Ottawa Intl. Airport to Ronald Reagan Washington National Airport (DCA)?
Most flights can be conveniently cancelled online, but whether you incur a fee all comes down to your airline. If you do have to cancel your holiday, follow the instructions in the Customer Service Portal.
How do I find cheap flights from YOW to National Airport 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 Ottawa Intl. Airport to National Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Ottawa Intl. Airport to Ronald Reagan Washington National Airport (DCA)?
The distance from Ottawa Intl. Airport (YOW) to DCA (DCA) is only 730 kilometres. You'll be walking down the air bridge and collecting your suitcase from the carousel before you know it.
Which airlines fly direct from Ottawa International Airport to Ronald Reagan Washington National Airport (DCA)?
Air Canada (AC) will fly you from Macdonald-Cartier Intl. Airport (YOW) to National Airport comfortably and reliably. You can choose from 30 flights each month on this route.
Are Ottawa Intl. Airport to DCA flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Ottawa Intl. Airport to National Airport can be hit-or-miss. You may be able to find a bargain, but you could also miss out entirely! If you'd prefer to start planning ahead of time, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines list their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

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