Cheap flights from Washington, D.C. to Ottawa

Compare Washington, D.C. to Ottawa flight deals

Find the cheapest month or even day of the year to fly to Ottawa

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Flight deals from Washington, D.C. to Ottawa

Looking for a cheap last-minute deal or the best round-trip flight from Washington, D.C. to Ottawa? Find the lowest prices on one-way and round-trip tickets right here.

Ottawa.C$539 per passenger.Departing Thu, Sep 5, returning Sun, Sep 8.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Thu, Sep 5, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Ottawa International on Sun, Sep 8, arriving in Washington Dulles.Price includes taxes and charges.From C$539, select.

Ottawa.C$542 per passenger.Departing Mon, Jun 3, returning Sun, Jun 9.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Mon, Jun 3, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Ottawa International on Sun, Jun 9, arriving in Washington Dulles.Price includes taxes and charges.From C$542, select.

Ottawa.C$565 per passenger.Departing Mon, Jun 3, returning Sun, Jun 9.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from Washington Dulles on Mon, Jun 3, arriving in Ottawa International.Inbound direct flight with Air Canada departing from Ottawa International on Sun, Jun 9, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$565, select.

Ottawa.C$565 per passenger.Departing Thu, Jul 4, returning Thu, Jul 18.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from Washington Ronald Reagan on Thu, Jul 4, arriving in Ottawa International.Inbound direct flight with Air Canada departing from Ottawa International on Thu, Jul 18, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$565, select.

Ottawa.C$580 per passenger.Departing Thu, Sep 5, returning Sun, Sep 8.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from Washington Ronald Reagan on Thu, Sep 5, arriving in Ottawa International.Inbound direct flight with Air Canada departing from Ottawa International on Sun, Sep 8, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$580, select.

Ottawa.C$771 per passenger.Departing Wed, Oct 30, returning Fri, Nov 1.Round-trip flight with United and Air Canada.Outbound direct flight with United departing from Washington Ronald Reagan on Wed, Oct 30, arriving in Ottawa International.Inbound direct flight with Air Canada departing from Ottawa International on Fri, Nov 1, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$771, select.

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Find the cheapest month to fly from Washington, D.C. to Ottawa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington, D.C. to Ottawa flights are currently cheapest in September.

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Direct flights from Washington, D.C. to Ottawa

Alternative Washington, D.C. to Ottawa routes

Looking for the cheapest, fastest or easiest route from Washington, D.C. to Ottawa? You could fly into the following airports instead.

Washington, D.C. to Ottawa: Flight information

The things to know before you go.

Cheapest flight found	C$539
Cheapest month to fly	September
Average flight time	1 hr, 38 mins
Most popular airline	Air Canada
Average flights per week	74

Finding cheap flights from Washington, D.C. to Ottawa: Frequently asked questions

: There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
: The best price we found for a round-trip flight from Washington, D.C. to Ottawa is C$539. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
: 1 hour and 38 minutes is the average flight time from Washington, D.C. to Ottawa.
: Air Canada, United and GoJet Airlines fly direct from Washington, D.C. to Ottawa.
: There are 74 flights per week flying from Washington, D.C. to Ottawa, as of May 2024.
: The cheapest month to fly from Washington, D.C. to Ottawa is usually September.
: If you're flying from Washington, D.C., the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the center of Ottawa. We've found flights to this airport from C$539.
: After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to Ottawa on Thursday, September 5, 2024.
: Yes – the average flight time is 1 hour and 38 minutes.
: We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
: We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
: In May, the average temperature is usually around 12°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
: The cheapest airline that flies to Ottawa is Porter Airlines (Canada) Ltd, and the cheapest airline that flies to Ottawa Gatineau Airport is Air Canada.

How to find cheap flights to Ottawa from Washington, D.C.

Looking for cheap tickets from Washington, D.C. to Ottawa? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Washington, D.C. to Ottawa. And with us, there are no hidden fees – what you see is what you pay.
Compare flight deals to Ottawa from Washington, D.C. from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
Flex your dates to find the best Washington, D.C.–Ottawa ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Ottawa from Washington, D.C..
Set up a Price Alert. You can easily track the fare of your cheap Washington, D.C.–Ottawa flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between Washington, D.C. and Ottawa? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business Class flights from Washington, D.C. and Ottawa. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Ottawa, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Washington, D.C. to Ottawa flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

Combine your flight to Ottawa from Washington, D.C. with hotels and car rental

Once you've secured your cheap flight ticket from Washington, D.C. to Ottawa, discover the best prices and exclusive rates for hotels in Ottawa or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.

Plan the rest of your trip from Washington, D.C. to Ottawa

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.