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

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save on select hotels after you book a flight*
    trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

How long does it take to fly from Dulles Intl. Airport to Macdonald-Cartier Intl. Airport (YOW)?
With United Airlines, a direct flight takes about 1 hour and 37 minutes. Secure a seat on the 10:12PM flight from Dulles Intl. Airport and land at Macdonald-Cartier Intl. Airport (YOW) at 11:49PM. Clinch a great deal on this and other routes when you use Expedia to arrange your trip.
Is it cheaper to buy a plane ticket from Dulles Intl. Airport to YOW last minute?
When it comes to booking your flights, being organized pays off. While you could pick up a last-minute deal on a Washington Dulles Intl. Airport (IAD) to Ottawa International Airport flight, tickets usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international trips it's between three and four months.
What airports do you fly into for Ottawa from Washington?
With Macdonald-Cartier Intl. Airport (YOW), Ottawa-Rockcliffe Airport (YRO) and Ottawa Executive Airport (YND) to choose from, getting from Washington to Ottawa is no sweat. The city's key hub, Macdonald-Cartier Intl. Airport (YOW), is about 11 kilometers south of the center. Besides the price of fares, consider things like public transportation options from the airport and the distance to your hotel when deciding where to fly into. Get your Ottawa adventure off to a fun start by discovering Parliament Hill and University of Ottawa.
What are the most popular departure times for flights from Dulles Intl. Airport to Ottawa Intl. Airport?
Between 12:00 PM - 1:00 PM is when you'll find the largest number of United Airlines flights from Washington Dulles Intl. Airport (IAD) to Ottawa International Airport. Want some good advice? Fly out early. With air traffic yet to build up, your chances of jumping on a delay-free flight are better.
Can I change the date of my flight from Washington Dulles Intl. Airport (IAD) to Ottawa Intl. Airport?
Make changes quickly to your IAD to YOW flight by logging in to the Expedia Trips portal. But before you begin, read through the fare conditions in your itinerary to see what the carrier will allow you to do and what fees apply for changes. Some carriers charge a change fee per person, on top of any difference in fares. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also swing by our Customer Service portal for more advice and to chat with our Virtual Agent.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Macdonald-Cartier Intl.
Distance
719 km
Average flight time
1 hour 39 mins

Book with confidence

Book with confidence

Explore a world of travel with Expedia

Explore a world of travel with Expedia