Cheap flights from San Jose to Ontario from £149

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1 stop
Wed, Jul 30
San Jose SJCOntario ONT
£149
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1 stop
Wed, Jul 30
San Jose SJCOntario ONT
£149
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1 stop
Wed, Jul 30
San Jose SJCOntario ONT
£149
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1 stop
Wed, Jul 30
San Jose SJCOntario ONT
£149
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1 stop
Wed, Jul 30
San Jose SJCOntario ONT
£156
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1 stop
Wed, Jul 30
San Jose SJCOntario ONT
£156
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1 stop
Sat, Aug 2 – Wed, Aug 6
San Jose SJCOntario ONT
£286
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1 stop
Sat, Aug 2 – Wed, Aug 6
San Jose SJCOntario ONT
£339
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1 stop
Fri, Aug 1 – Mon, Aug 4
San Jose SJCOntario ONT
£340
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1 stop
Sat, Aug 2 – Wed, Aug 6
San Jose SJCOntario ONT
£347
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1 stop
Fri, Aug 1 – Mon, Aug 4
San Jose SJCOntario ONT
£356
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1 stop
Wed, Jul 30 – Mon, Aug 4
San Jose SJCOntario ONT
£360
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How much do flights to Ontario cost?

Cheapest one-way trip

£149

Cheapest round-trip

£286

Average round-trip

£379

Most popular airline

Hawaiian Airlines

Key info about flying to Ontario

Depart from
San Jose International
Arrive to
Ontario International
Average flights per week
95
Flight distance
Worth visiting
Griffith Observatory

Check-in for a flight from San Jose to Ontario

NameCarrier codeIATA CodePassport needed during booking
Hawaiian AirlinesHALHANo
Alaska AirlinesASAASNo
United AirlinesUALUANo

Online check-in is not available for these airlines.

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
11 Jul
31°C20°C
18 Jul
33°C21°C
Saturday
12 Jul
32°C19°C
19 Jul
32°C22°C
Sunday
13 Jul
30°C19°C
20 Jul
35°C22°C
Monday
14 Jul
30°C20°C
21 Jul
33°C22°C
Tuesday
15 Jul
31°C18°C
22 Jul
32°C19°C
Wednesday
16 Jul
30°C17°C
23 Jul
32°C19°C
Thursday
17 Jul
31°C17°C
24 Jul
34°C19°C

Ontario travel tips

See the famous bald eagle in the Angeles National Forest near Ontario

If you need to escape from the city, head to the Angeles National Forest near Ontario. Locals can take a tent and stay there for a few days and sleep in front of white-picked mountains. By the way, to see the famous bald eagle takes just a few hours here. Bear in mind there are no supermarkets nearby! Prepare in advance.

Book a visit to the San Antonio Winery in Ontario in advance and take home the wine glass after degustation

The San Antonio Winery at 2802 S Milliken Avenue in Ontario has existed since 1917. Book a visit ahead (six people tops) and order “The Daily Artisan Series.” It is a package for $15 with four highly limited reserve wines. And you can take home the wine glass, as a cool souvenir.

Enjoy a film from the car at the Mission Tiki Drive-In in Ontario

If you travel around Ontario by car, the Mission Tiki Drive-In is a great pastime in the evening. Buy a ticket (from $1 per child and $9 per adult) and enjoy two films shown back to back (one ticket includes two films). Snacks may cost a little bit higher than in the supermarket. It is common among locals to buy snacks in the nearby supermarkets like El Super.

The most popular airlines for this route are Hawaiian Airlines, Alaska Airlines, and United Airlines. San Jose and Ontario have 95 direct flights per week.

Frequently asked questions

What are the most popular routes to and from San Jose?
Travelers frequently search for route combinations, such as San Jose and Guadalajara, Las Vegas, Dallas, London, San Diego, Los Angeles, Morelia, Tokyo, Honolulu, Mexico City, Seattle, Portland, New York, León, Denver, San Francisco, Puerto Vallarta, Monterrey, El Paso, Orlando.
What are the most popular routes to and from Ontario?
Travelers frequently search for route combinations, such as Ontario and Dallas, Las Vegas, San Francisco, Guadalajara, Denver, Portland, Seattle, Edinburgh, London, Phoenix, Minneapolis, Sacramento, Boise, Salt Lake City, Orlando, Chicago, Houston, Honolulu, Cleveland, Indianapolis.
What airports are near San Jose?
The main airport in San Jose is San Jose International. It is also served by San Francisco International, Sacramento International, Oakland International, San Jose International, Fresno Yosemite International, Charles M. Schulz–Sonoma County, Stockton Metropolitan, Monterey Regional, Merced Regional.
What airports are near Ontario?
The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, Ontario International, John Wayne, Palm Springs International, Hollywood Burbank, Meadows Field, Long Beach, Santa Barbara Municipal, Hawthorne Municipal.
Which airlines fly between San Jose and Ontario?
Currently, you can fly between San Jose and Ontario with Hawaiian Airlines, Alaska Airlines, United Airlines.
When’s the best time to travel between San Jose and Ontario?
If you don’t have specific dates for your trip between San Jose and Ontario, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between San Jose and Ontario?
Traveling between San Jose and Ontario, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near San Jose?
There are a number of airports in and around San Jose. The main one is San Jose International and other nearby airports include San Francisco International, Sacramento International, Oakland International, San Jose International, Fresno Yosemite International, Charles M. Schulz–Sonoma County, Stockton Metropolitan, Monterey Regional, Merced Regional
How many airports are there near Ontario?
There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, Ontario International, John Wayne, Palm Springs International, Hollywood Burbank, Meadows Field, Long Beach, Santa Barbara Municipal, Hawthorne Municipal.
What time do nonstop (direct) flights between San Jose and Ontario depart?
What time do nonstop (direct) flights between San Jose and Ontario arrive?
What time do flights between San Jose and Ontario depart?
What time do flights between San Jose and Ontario arrive?

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