Canada·YOW·North America
Cheap Flights to Ottawa
$295 round trip from New Yorkseen Aug 18 · 17–24 Oct
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Overview
Flying to Ottawa
Country
Canada
Region
North America
Airport
YOW
Cheapest month we saw
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Climate
Weather in Ottawa, month by month
The warmest month in Ottawa is July, at an average high of 79°F; the coolest is January at 25°F. July brings the most rain.
| Month | High | Low | Rain |
|---|---|---|---|
| January | 25°F | 10°F | 2.6 in |
| February | 25°F | 9°F | 2.3 in |
| March | 37°F | 21°F | 3.2 in |
| April | 54°F | 36°F | 3.3 in |
| May | 66°F | 46°F | 3.3 in |
| June | 75°F | 57°F | 3.6 in |
| July | 79°F | 63°F | 3.8 in |
| August | 79°F | 63°F | 3.3 in |
| Septemberthis month | 70°F | 55°F | 3.6 in |
| October | 55°F | 43°F | 3.4 in |
| November | 41°F | 30°F | 3.5 in |
| December | 30°F | 18°F | 3.1 in |
Ten-year average (2015–2024) of measured daily observations, not a brochure estimate.
Full Ottawa guide coming soon
We're writing an in-depth guide to Ottawa — attractions, food, hotels, transport and the best time to visit. Meanwhile, search live fares above and grab a deal.
Good to know
Flying to Ottawa — your questions answered
- How much is a round trip flight to Ottawa?
- The cheapest round trip we currently hold is $295 from New York (seen Aug 18 · 17–24 Oct). We hold fares for 2 months, between $297 and $311 — too few to say which month is cheapest. These are prices a live search returned, not a standing offer, and they move daily.
- When is it warm in Ottawa?
- July is the warmest month in Ottawa, averaging a daily high of 79°F, and 3 of the 12 months average 75°F or warmer. The coolest is January at 25°F. These are ten-year averages (2015–2024) of measured observations, not estimates.
- What is the weather like in Ottawa in September?
- In September, Ottawa averages a daily high of 70°F and an overnight low of 55°F; about 3.6 inches of rain fall across the month. Ten-year measured averages — an individual week can differ.
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