Find cheap flights to Ontario from £145

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1 stop
Tue, Jul 15
Columbus CMHOntario ONT
£145
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1 stop
Tue, Jul 15
Columbus CMHOntario ONT
£145
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1 stop
Tue, Jul 15
Columbus CMHOntario ONT
£145
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1 stop
Tue, Jul 15
Columbus CMHOntario ONT
£145
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1 stop
Tue, Jul 15
Columbus CMHOntario ONT
£145
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1 stop
Wed, Jul 16
Columbus CMHOntario ONT
£180
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Prices updated:

1 stop
Sat, Jul 19 – Thu, Jul 24
Columbus CMHOntario ONT
£289
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1 stop
Sat, Jul 19 – Thu, Jul 24
Columbus CMHOntario ONT
£289
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1 stop
Sat, Jul 19 – Thu, Jul 24
Columbus CMHOntario ONT
£289
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1 stop
Tue, Jul 15 – Sun, Jul 20
Columbus CMHOntario ONT
£295
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1 stop
Tue, Jul 15 – Sun, Jul 20
Columbus CMHOntario ONT
£295
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1 stop
Sat, Jul 19 – Tue, Jul 22
Columbus CMHOntario ONT
£328
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Prices updated:

Cheap flights to Ontario

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
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
340
days per year

14 day forecast

Friday
20 Jun
28°C17°C
27 Jun
30°C17°C
Saturday
21 Jun
26°C16°C
28 Jun
30°C17°C
Sunday
22 Jun
28°C15°C
29 Jun
32°C17°C
Monday
23 Jun
27°C16°C
30 Jun
33°C19°C
Tuesday
24 Jun
27°C14°C
1 Jul
34°C19°C
Wednesday
25 Jun
30°C16°C
2 Jul
33°C19°C
Thursday
26 Jun
30°C17°C
3 Jul
33°C18°C

Cheapest month to fly to Ontario

Explore price trends for trips to Ontario

Showing prices in GBP

Annual Avg. Price622 GBP
July 2025381 GBP
August 2025389 GBP
September 2025324 GBP
October 2025338 GBP
November 2025324 GBP
December 2025398 GBP
January 2026373 GBP
February 2026361 GBP
March 2026332 GBP
April 2026498 GBP
May 2026318 GBP
June 20263423 GBP

Direct flights to Ontario

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Airlines flying to Ontario

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Airports in Ontario

International airports in and near Ontario

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Flights from Ontario

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Frequently asked questions

Main airports in Ontario, California
Ontario International Airport (ONT) is the main airport serving Ontario, California. It offers domestic and international flights. Other nearby airports include Los Angeles International Airport (LAX) and John Wayne Airport (SNA).
Getting from the airport to Ontario, California
There are several transportation options available to get from the airport to Ontario, California. These include taxis, ride-sharing services, rental cars, and public transportation such as buses or shuttles. Choose the option that best suits your needs and budget.
Best time of year to fly to Ontario, California
The best time to fly to Ontario, California is during the spring or fall when the weather is pleasant and there are fewer crowds. Summers can be hot, while winters may have some rainfall. Consider your preferences and plan accordingly.
Things to do in Ontario, California
Ontario, California offers a variety of attractions and activities for visitors. Explore the scenic beauty of Cucamonga-Guasti Regional Park, visit the Planes of Fame Air Museum for aviation enthusiasts, or enjoy shopping at the Ontario Mills Mall. There's something for everyone!
When to book your flight to Ontario, California
It is recommended to book your flight to Ontario, California in advance for better deals and availability. Prices tend to be higher closer to the travel date. Keep an eye on flight aggregator websites for promotions and discounts.
Ideal duration of stay in Ontario, California
The ideal duration of stay in Ontario, California depends on your travel plans and interests. A few days can be enough to explore the city's attractions. However, if you wish to explore nearby areas or participate in outdoor activities like hiking or golfing, consider staying longer.
Top tourist attractions in Ontario, California
Some top tourist attractions in Ontario, California include Scandia Amusement Park for family fun, Graber Olive House for olive tasting tours, and Citizens Business Bank Arena for sports events and concerts. Don't miss out on exploring historic downtown with its charming shops and restaurants.
Safety walking at night in Ontario, California
Walking at night in Ontario, California is generally safe but it's always important to take precautions. Stick to well-lit areas and avoid isolated places. It's advisable to travel with a companion if possible and trust your instincts if something feels unsafe.
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