
CA $288 Cheap Flights from Ottawa (YOW) to Washington (WAS)
Popular airlines from Ottawa International Airport (YOW) to Washington
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Find the cheapest flights on Expedia from Ottawa (YOW) to Washington (WAS). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at CA $288 for travel on January 14, 2027.
Cheap Flights from Ottawa to Washington (YOW-WAS)
Prices were available within the past 7 days and start at CA $288 for one-way flights and CA $367 for roundtrip, for the period specified. Prices and availability are subject to change.
All deals
One way
Roundtrip
Sun, Jan 10 - Sun, Jan 10 · YOW · IAD · Roundtrip
Sun, Jan 10 - Sun, Jan 10 · YOW · IAD · Roundtrip
Fri, Feb 12 - Fri, Feb 12 · YOW · DCA · Roundtrip
Sun, Jan 10 - Sun, Jan 10 · YOW · IAD · Roundtrip
Thu, Nov 26 - Tue, Dec 1 · YOW · DCA · Roundtrip
Thu, Nov 26 - Tue, Dec 1 · YOW · IAD · Roundtrip
Thu, Nov 26 - Tue, Dec 1 · YOW · DCA · Roundtrip
Mon, Dec 7 - Thu, Dec 10 · YOW · IAD · Roundtrip
Tue, Jan 12 - Tue, Jan 19 · YOW · IAD · Roundtrip
Tue, Apr 13 - Tue, May 4 · YOW · DCA · Roundtrip
Alternative airports near Washington
Prices were available within the past 7 days. Prices and availability are subject to change.
40 min
36 min
8 min
Find the cheapest month to fly from Ottawa (YOW) to Washington (WAS)
January is typically the cheapest month to fly
From CA $407 - CA $771 per traveller.
View flights in January
Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ.
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Ottawa to Washington Flights
The easy way to book your flights from Ottawa to Washington
With Expedia, it’s simple to find and book flights to Washington from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 5 airlines that cover this route. There are nonstop flights to WAS-All Airports, too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Washington today, tomorrow, or this week.
Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to WAS-All Airports, WAS
Sort your search results by price to find great deals on your flight from Ottawa to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from Ottawa currently is just CA $367 rising to CA $777.
Here are more money-saving tips:
- Fly in January when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Washington
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Washington from Ottawa
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today.
Travel information
| Origin airport | Ottawa International Airport |
|---|---|
| Destination airport | Washington Dulles International Airport |
| Distance | 723 km away |
| Airlines serving | WestJet, Air Canada, United, Porter Airlines, American Airlines |
| Popular airline | WestJet |
| Roundtrip price | CA $367 |
| Average flight time | 1 hour 58 mins |
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