Flights to Ontario, CA, United States

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Weather in Ontario

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C7°C
February18°C7°C
March20°C8°C
April23°C10°C
May25°C13°C
June29°C16°C
July33°C19°C
August33°C20°C
September32°C18°C
October27°C15°C
November22°C10°C
December17°C7°C
Hottest Month
33°C
August
Coldest month
7°C
February
Sunny days
339
days per year

14 day forecast

Wednesday
8 May
26°C13°C
15 May
24°C13°C
Thursday
9 May
27°C14°C
16 May
28°C15°C
Friday
10 May
28°C14°C
17 May
31°C17°C
Saturday
11 May
28°C15°C
18 May
29°C17°C
Sunday
12 May
29°C16°C
19 May
25°C15°C
Monday
13 May
27°C17°C
20 May
23°C13°C
Tuesday
14 May
25°C15°C
21 May
26°C14°C

Cheapest month to fly to Ontario

Explore price trends for trips to Ontario

Annual Avg. Price399 GBP
May 2024356 GBP
June 2024364 GBP
July 2024470 GBP
August 2024422 GBP
September 2024183 GBP
October 2024184 GBP
November 2024187 GBP
December 2024240 GBP
January 2025236 GBP
February 2025236 GBP
March 2025236 GBP
April 20251680 GBP

Frequently asked questions

Main airports in Ontario, California
Getting from the airport to Ontario, California
Best time of year to fly to Ontario, California
Things to do in Ontario, California
When to book your flight to Ontario, California
Ideal duration of stay in Ontario, California
Top tourist attractions in Ontario, California
Safety walking at night in Ontario, California
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