Find cheap flights to Ottawa from $210
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Find deals from Washington, D.C. to Ottawa
Find one-way and return tickets at the lowest prices, whether last-minute or planned in advance.
Find deals from Washington, D.C. to Ottawa
Find one-way and return tickets at the lowest prices, whether last-minute or planned in advance.
Cheapest time to fly from Washington, D.C. to Ottawa
Flexible with dates? We find the best prices for the week around your selected date. Prices may vary after you search.
One-way
| Wed, Apr 1 - Tue, Apr 7 | $386 |
| Wed, Apr 8 - Wed, Apr 15 | $214 |
| Thu, Apr 16 - Thu, Apr 23 | $143 |
| Fri, Apr 24 - Thu, Apr 30 | $143 |
| Fri, May 1 - Thu, May 7 | $261 |
| Fri, May 8 - Fri, May 15 | $144 |
| Sat, May 16 - Sat, May 23 | $180 |
| Sun, May 24 - Sun, May 31 | $149 |
| Mon, Jun 1 - Sun, Jun 7 | $269 |
| Mon, Jun 8 - Mon, Jun 15 | $148 |
| Tue, Jun 16 - Tue, Jun 23 | $146 |
| Wed, Jun 24 - Tue, Jun 30 | $295 |
Round-trip
| Wed, Apr 1 - Tue, Apr 7 | $483 |
| Wed, Apr 8 - Wed, Apr 15 | $775 |
| Thu, Apr 16 - Thu, Apr 23 | $239 |
| Fri, Apr 24 - Thu, Apr 30 | $310 |
| Fri, May 1 - Thu, May 7 | $363 |
| Fri, May 8 - Fri, May 15 | $399 |
| Sat, May 16 - Sat, May 23 | $329 |
| Sun, May 24 - Sun, May 31 | $399 |
| Mon, Jun 8 - Mon, Jun 15 | $373 |
| Tue, Jun 16 - Tue, Jun 23 | $289 |
| Wed, Jun 24 - Tue, Jun 30 | $292 |
Weather in Ottawa
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | -5°C | -13°C |
| February | -3°C | -12°C |
| March | 2°C | -6°C |
| April | 10°C | 0°C |
| May | 18°C | 7°C |
| June | 22°C | 12°C |
| July | 25°C | 15°C |
| August | 24°C | 14°C |
| September | 20°C | 11°C |
| October | 13°C | 5°C |
| November | 5°C | -1°C |
| December | -1°C | -7°C |
14 day forecast
Flight connections and travel options
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Top airlines flying to Ottawa
Compare leading airlines serving Ottawa.
Airports in and near Ottawa
Ottawa’s main airport is the primary hub, with nearby airports offering additional options.
- Montréal–Pierre Elliott Trudeau International airport (YUL)
- Ottawa Macdonald–Cartier International airport (YOW)
- Syracuse Hancock International airport (SYR)
- Burlington International airport (BTV)
- Ogdensburg International airport (OGS)
- Plattsburgh International airport (PBG)
- Massena International airport (MSS)
- Adirondack Regional airport (SLK)
- Watertown International airport (ART)
- Montreal Saint-Hubert Longueuil airport (YHU)
Popular flights from Ottawa
Find cheap tickets from Ottawa to the top departure hubs