￥33,510 Cheap Flights from Ottawa (YOW) to Washington (IAD)

View ￥33,510 flight on Sun, Jul 12, 2026Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Ottawa to Washington (YOW-IAD)

Prices were available within the past 7 days and start at ￥33,510 for one-way flights and ￥56,010 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Aug 29 - Sun, Aug 30
YOW
Ottawa
IAD
Washington
￥56,010 Roundtrip, found 4 days ago
￥56,010
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 29 from Ottawa to Washington, returning Sun, Aug 30, priced at ￥56,010 found 4 days ago
United
Sat, Aug 29 - Sun, Aug 30
YOW
Ottawa
IAD
Washington
￥56,910 Roundtrip, found 4 days ago
￥56,910
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 29 from Ottawa to Washington, returning Sun, Aug 30, priced at ￥56,910 found 4 days ago
Air Canada
Thu, Jun 4 - Fri, Jun 5
YOW
Ottawa
IAD
Washington
￥60,750 Roundtrip, found 16 hours ago
￥60,750
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Thu, Jun 4 from Ottawa to Washington, returning Fri, Jun 5, priced at ￥60,750 found 16 hours ago
United
Sat, Aug 29 - Sun, Aug 30
YOW
Ottawa
IAD
Washington
￥60,840 Roundtrip, found 4 days ago
￥60,840
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 29 from Ottawa to Washington, returning Sun, Aug 30, priced at ￥60,840 found 4 days ago
Air Canada
Thu, Jun 4 - Fri, Jun 5
YOW
Ottawa
IAD
Washington
￥61,290 Roundtrip, found 16 hours ago
￥61,290
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Thu, Jun 4 from Ottawa to Washington, returning Fri, Jun 5, priced at ￥61,290 found 16 hours ago
Porter Airlines
Thu, Jun 4 - Fri, Jun 5
YOW
Ottawa
IAD
Washington
￥61,530 Roundtrip, found 16 hours ago
￥61,530
Roundtrip
found 16 hours ago
Select Porter Airlines flight, departing Thu, Jun 4 from Ottawa to Washington, returning Fri, Jun 5, priced at ￥61,530 found 16 hours ago
Air Canada
Thu, Jun 4 - Fri, Jun 5
YOW
Ottawa
IAD
Washington
￥62,070 Roundtrip, found 16 hours ago
￥62,070
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Thu, Jun 4 from Ottawa to Washington, returning Fri, Jun 5, priced at ￥62,070 found 16 hours ago
Air Canada
Sat, Aug 29 - Sun, Aug 30
YOW
Ottawa
IAD
Washington
￥63,360 Roundtrip, found 4 days ago
￥63,360
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sat, Aug 29 from Ottawa to Washington, returning Sun, Aug 30, priced at ￥63,360 found 4 days ago
Porter Airlines
Thu, Jun 4 - Fri, Jun 5
YOW
Ottawa
IAD
Washington
￥63,730 Roundtrip, found 16 hours ago
￥63,730
Roundtrip
found 16 hours ago
Select Porter Airlines flight, departing Thu, Jun 4 from Ottawa to Washington, returning Fri, Jun 5, priced at ￥63,730 found 16 hours ago
American Airlines
Thu, May 7 - Sun, May 10
YOW
Ottawa
IAD
Washington
￥102,634 Roundtrip, found 5 days ago
￥102,634
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, May 7 from Ottawa to Washington, returning Sun, May 10, priced at ￥102,634 found 5 days ago

Frequently asked questions

How much is a flight from Ottawa International Airport to IAD?
Start packing your suitcase, because round-trip journeys from Macdonald-Cartier Intl. Airport (YOW) to IAD start from ￥56,010. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from YOW to IAD?
We understand that things crop up unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from YOW to IAD 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 YOW to IAD flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Macdonald-Cartier Intl. Airport (YOW) to Dulles Intl. Airport?
It takes approximately 5 hours and 44 minutes to fly from Ottawa Intl. Airport to Washington Dulles Intl. Airport (IAD). Recline your seat and get comfortable — but not too comfortable. You'll be in Chantilly in no time.
How far is the flight from YOW to Washington Dulles Intl. Airport (IAD)?
You won't have time for a movie marathon on this flight — it's only 720 kilometers from Ottawa to Chantilly. Find your seat, order a snack and you'll be touching down before long.
Which airlines fly direct from Ottawa Intl. Airport to Dulles Intl. Airport?
Operating 60 monthly flights, United Airlines (UA) is a top choice when flying straight from Macdonald-Cartier Intl. Airport (YOW) to Dulles Intl. Airport.
Are Macdonald-Cartier Intl. Airport (YOW) to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so not always. While last-minute flight deals between Macdonald-Cartier Intl. Airport (YOW) and Washington Dulles Intl. Airport (IAD) are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some airlines advertise their prices up to a year prior to the departure date. Expedia is constantly updating the best airfare bargains around, so check back often and be ready to lock in your seat when the price is right.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, American Airlines, Porter Airlines, United
Roundtrip price
￥56,010
Distance
719 km
Average flight time
1 hour 49 mins

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