Washington → Ottawa flights
Last observed price · Last checked: 27 Aug 2026 · Price may change
Short answer
The lowest fare our own searches returned is €139, seen on 27 Aug 2026. The average across the fares we caught is €153. September 2026 is the cheapest month in our observations, at €139. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Route facts
Frequently asked
Are there direct flights from Washington to Ottawa?+−
Our data holds no non-stop flight from Washington to Ottawa. The fares on this page include at least one stop.
How much is a flight from Washington to Ottawa?+−
The lowest fare we have observed is €139, found on 27 Aug 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Washington to Ottawa?+−
In our observations September 2026 is the cheapest month so far, at €139.
Similar routes
More routes from Washington
More routes to Ottawa
Last checked: 27 Aug 2026