A river with cherry blossoms and the Washington Monument in the background.

CA $288 Cheap Flights from Ottawa (YOW) to Washington (WAS)

View CA $288 flight on Thu, Jan 14, 2027

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

    Select United flight, departing Sun, Jan 10 from Ottawa to Washington, returning Sun, Jan 10, priced at CA $367 Found 12 hours ago

    Sun, Jan 10 - Sun, Jan 10 · YOW · IAD · Roundtrip

    Select United flight, departing Sun, Jan 10 from Ottawa to Washington, returning Sun, Jan 10, priced at CA $419 Found 12 hours ago

    Sun, Jan 10 - Sun, Jan 10 · YOW · IAD · Roundtrip

    Select United flight, departing Fri, Feb 12 from Ottawa to Washington, returning Fri, Feb 12, priced at CA $468 Found 4 hours ago

    Fri, Feb 12 - Fri, Feb 12 · YOW · DCA · Roundtrip

    Select United flight, departing Sun, Jan 10 from Ottawa to Washington, returning Sun, Jan 10, priced at CA $493 Found 12 hours ago

    Sun, Jan 10 - Sun, Jan 10 · YOW · IAD · Roundtrip

    Select Air Canada flight, departing Thu, Nov 26 from Ottawa to Washington, returning Tue, Dec 1, priced at CA $501 Found 1 day ago

    Thu, Nov 26 - Tue, Dec 1 · YOW · DCA · Roundtrip

    Select United flight, departing Thu, Nov 26 from Ottawa to Washington, returning Tue, Dec 1, priced at CA $501 Found 23 hours ago

    Thu, Nov 26 - Tue, Dec 1 · YOW · IAD · Roundtrip

    Select Air Canada flight, departing Thu, Nov 26 from Ottawa to Washington, returning Tue, Dec 1, priced at CA $501 Found 1 day ago

    Thu, Nov 26 - Tue, Dec 1 · YOW · DCA · Roundtrip

    Select Porter Airlines flight, departing Mon, Dec 7 from Ottawa to Washington, returning Thu, Dec 10, priced at CA $526 Found 23 hours ago

    Mon, Dec 7 - Thu, Dec 10 · YOW · IAD · Roundtrip

    Select WestJet flight, departing Tue, Jan 12 from Ottawa to Washington, returning Tue, Jan 19, priced at CA $765 Found 1 day ago

    Tue, Jan 12 - Tue, Jan 19 · YOW · IAD · Roundtrip

    Select American Airlines flight, departing Tue, Apr 13 from Ottawa to Washington, returning Tue, May 4, priced at CA $777 Found 1 day ago

    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.

    Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city centre is 40 minutes. Flights from CA $1,080

    40 min

    Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city centre is 36 minutes. Flights from CA $501

    36 min

    Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city centre is 8 minutes. Flights from CA $907

    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.

    Book with confidence

    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 airportOttawa International Airport
    Destination airportWashington Dulles International Airport
    Distance723 km away
    Airlines servingWestJet, Air Canada, United, Porter Airlines, American Airlines
    Popular airlineWestJet
    Roundtrip priceCA $367
    Average flight time1 hour 58 mins

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