Find cheap flights to Ontario from £87

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1 stop
Sat, Nov 1
Columbus CMHOntario ONT

£87
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1 stop
Fri, Oct 31
Columbus CMHOntario ONT

£98
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1 stop
Mon, Oct 27
Columbus CMHOntario ONT

£138
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1 stop
Fri, Oct 31
Columbus CMHOntario ONT

£146
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1 stop
Fri, Oct 31
Columbus CMHOntario ONT

£146
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1 stop
Fri, Oct 31
Columbus CMHOntario ONT

£146
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Prices updated:

1 stop
Sat, Nov 1 – Mon, Nov 3
Columbus CMHOntario ONT

£207
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1 stop
Mon, Oct 27 – Thu, Oct 30
Columbus CMHOntario ONT

£212
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1 stop
Mon, Oct 27 – Thu, Oct 30
Columbus CMHOntario ONT

£213
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1 stop
Fri, Oct 31 – Mon, Nov 3
Columbus CMHOntario ONT

£221
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1 stop
Mon, Oct 27 – Fri, Oct 31
Columbus CMHOntario ONT

£255
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1 stop
Mon, Oct 27 – Fri, Oct 31
Columbus CMHOntario ONT

£289
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Prices updated:

Weather in Ontario

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C7°C
February18°C7°C
March19°C8°C
April23°C10°C
May25°C12°C
June29°C16°C
July32°C19°C
August33°C20°C
September31°C18°C
October27°C15°C
November22°C10°C
December17°C7°C
Hottest Month
33°C
August
Coldest month
7°C
February
Sunny days
340
days per year

14 day forecast

Friday
10 Oct
34°C17°C
17 Oct
24°C15°C
Saturday
11 Oct
28°C17°C
18 Oct
75%
21°C14°C
Sunday
12 Oct
31°C16°C
19 Oct
72%
19°C15°C
Monday
13 Oct
89%
18°C13°C
20 Oct
87%
17°C14°C
Tuesday
14 Oct
86%
15°C13°C
21 Oct
21°C12°C
Wednesday
15 Oct
85%
20°C11°C
22 Oct
26°C14°C
Thursday
16 Oct
25°C13°C
23 Oct
28°C17°C

Cheapest month to fly to Ontario

Explore price trends for trips to Ontario

Annual Avg. Price477 GBP
November 2025436 GBP
December 2025358 GBP
January 2026288 GBP
February 2026559 GBP
March 2026566 GBP
April 2026382 GBP
May 2026578 GBP
June 2026382 GBP
July 2026523 GBP
August 2026679 GBP
September 2026490 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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