₩462,800 Cheap Flights from Ottawa (YOW) to Washington (IAD)

View ₩462,800 flight on Sat, Oct 4, 2025Opens 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 ₩462,800 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

May is typically the cheapest month to fly

From ₩305,001 - ₩686,769 per traveler.

Frequently asked questions

How much is a flight from Macdonald-Cartier Intl. Airport (YOW) to IAD?
If you're traveling between Macdonald-Cartier Intl. Airport (YOW) and Dulles Intl. Airport, round-trip flights start from . This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Macdonald-Cartier Intl. Airport (YOW) to Washington Dulles Intl. Airport (IAD)?
The majority of flights can be canceled online, but whether you are charged a fee differs between airlines. If you do need to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from YOW to Washington Dulles Intl. Airport (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 Macdonald-Cartier Intl. Airport (YOW) to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Macdonald-Cartier Intl. Airport (YOW) to IAD?
A flight distance of just 720 kilometers separates Ottawa and Chantilly. Once you're in the air, you won't have time to do much more than read the magazine in your seat pocket.
Which airlines fly direct from YOW to Washington Dulles Intl. Airport (IAD)?
A popular option with many frequent flyers, United Airlines (UA) offers 30 flights every month from Ottawa Intl. Airport to Washington Dulles Intl. Airport (IAD). Pick the one that suits your travel plans and book your ticket today.
Are Ottawa International Airport to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from YOW to Washington Dulles Intl. Airport (IAD) last minute could be your ticket to a fantastic deal. However, it could end up costing a good deal more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Travel information

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Washington Dulles Intl.
Distance
719 km
Average flight time
1 hour 43 mins

Book with confidence

Book with confidence

Ottawa to Chantilly Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Ottawa to Chantilly will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Chantilly.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with YOW to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Ottawa for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Ottawa to Chantilly Flights

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Washington nearby Airports

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