Flights to Ontario, CA, United States

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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
18 Apr
15°C11°C
25 Apr
21°C10°C
Saturday
19 Apr
26°C8°C
26 Apr
22°C10°C
Sunday
20 Apr
25°C13°C
27 Apr
22°C11°C
Monday
21 Apr
25°C13°C
28 Apr
27°C13°C
Tuesday
22 Apr
24°C13°C
29 Apr
27°C13°C
Wednesday
23 Apr
22°C12°C
30 Apr
28°C14°C
Thursday
24 Apr
21°C10°C
1 May
27°C15°C

Cheapest month to fly to Ontario

Explore price trends for trips to Ontario

Showing prices in GBP

Annual Avg. Price643 GBP
May 2025319 GBP
June 2025323 GBP
July 2025448 GBP
August 2025369 GBP
September 2025324 GBP
October 2025387 GBP
November 2025378 GBP
December 2025323 GBP
January 2026340 GBP
February 2026321 GBP
March 2026356 GBP
April 20263835 GBP

Direct flights to Ontario

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Airlines flying to Ontario

Best airlines flying to Ontario

Airlines with direct flights to Ontario

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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