Washington to Ottawa flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Washington to Ottawa is €175 (checked on 24 Oct 2026).
Your next trip, last seen at €175
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €175, departing 17 Feb 2027 (Last checked: 24 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 30Check live prices for this route
- Airlines seen
- United Airlines, Air Canada, Frontier Airlines, JetBlue, Porter Airlines Canada
- Reported fastest flight
- 1h 32m
- Non-stop
- Yes
About this route
Explore the fares we observed from Washington to Ottawa. Prices move often, so pick your dates to see the latest options.
- Route distance
- 733 km
- Reported fastest flight
- 1h 32m
- Alternative airports
- DCA, YND
Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| United Airlines | 4 / 30 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Ronald Reagan Washington National Airport (DCA) → Washington, city gazetteer reference point (38.8951, -77.0364): ≈ 5 km.
- Washington Dulles International Airport (IAD) → Washington, city gazetteer reference point (38.8951, -77.0364): ≈ 37 km.
- Ottawa Macdonald-Cartier International Airport (YOW) → Ottawa, city gazetteer reference point (45.4116, -75.6982): ≈ 10 km.
- Ottawa / Gatineau Airport (YND) → Ottawa, city gazetteer reference point (45.4116, -75.6982): ≈ 16 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Washington to Ottawa: February 2027, from €175 (checked 24 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| February 2027 | €175 | 3 |
| March 2027 | €175 | 10 |
| April 2027 | €175 | 17 |
Lowest fare by day of the week
Cheapest day of the week from Washington to Ottawa: Monday, from €175 (checked 24 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €175 | 4 |
| Tuesday | €175 | 5 |
| Wednesday | €175 | 5 |
| Thursday | €175 | 5 |
| Friday | €175 | 4 |
| Saturday | €175 | 4 |
| Sunday | €175 | 3 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest one-way fare we saw per airline
Cheapest airline from Washington to Ottawa: Air Canada, from €180 (checked 24 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Air Canada | €180Mar 23, 2027 | 4 |
| United Airlines | €210Mar 23, 2027 | 4 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Washington to Ottawa?
The lowest fare Routavio has observed is €175, found on 24 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Washington to Ottawa?
Cheapest month from Washington to Ottawa: February 2027, from €175 (checked 24 Oct 2026).
Are there direct flights from Washington to Ottawa?
Yes. Published schedules report non-stop flights on this route with United Airlines.
Which airlines fly from Washington to Ottawa?
Routavio has seen these carriers on the route: United Airlines, Air Canada, Frontier Airlines, JetBlue, Porter Airlines Canada.
How long does the flight from Washington to Ottawa take?
Across the 98 fares Routavio observed, the average journey time is 6h 20m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Washington to Ottawa fares were non-stop?
12 of the 101 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Washington to Ottawa?
For Washington to Ottawa, examples of observed one-way non-stop offers checked within the last 14 days: United Airlines (4). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Washington to Ottawa?
Cheapest day of the week from Washington to Ottawa: Monday, from €175 (checked 24 Oct 2026).
Which airline has the lowest fare from Washington to Ottawa?
Cheapest airline from Washington to Ottawa: Air Canada, from €180 (checked 24 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.