Cheap flights from San Jose to Ontario from £144

Cheap flights from San Jose to Ontario from £144

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1 stop
Tue, Apr 28
San Jose SJCOntario ONT
£144
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1 stop
Tue, Apr 28
San Jose SJCOntario ONT
£144
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1 stop
Wed, Apr 29
San Jose SJCOntario ONT
£157
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1 stop
Wed, Apr 29
San Jose SJCOntario ONT
£162
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1 stop
Sat, May 2
San Jose SJCOntario ONT
£162
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1 stop
Tue, Apr 28
San Jose SJCOntario ONT
£165
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1 stop
Fri, May 1 – Mon, May 4
San Jose SJCOntario ONT
£205
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1 stop
Thu, Apr 30 – Mon, May 4
San Jose SJCOntario ONT
£223
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2 stops
Mon, Apr 27 – Thu, Apr 30
San Jose SJCOntario ONT
£231
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1 stop
Fri, May 1 – Mon, May 4
San Jose SJCOntario ONT
£246
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1 stop
Mon, Apr 27 – Thu, Apr 30
San Jose SJCOntario ONT
£256
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1 stop
Thu, Apr 30 – Mon, May 4
San Jose SJCOntario ONT
£264
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How much do flights to Ontario cost?

Cheapest one-way trip

£144

Cheapest round-trip

£205

Average round-trip

£440

Includes rare itinerary

Travel hack

Most popular airline

Hawaiian Airlines

Key info about flying to Ontario

Depart from
San Jose International
Arrive to
Ontario International
Average flights per week
109
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
Frontier AirlinesFFTF9No
AeroMéxicoAMXAMYes
WestJetWJAWSNo

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
March20°C8°C
April23°C10°C
May25°C12°C
June29°C16°C
July32°C19°C
August33°C20°C
September31°C18°C
October27°C14°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 Apr
27°C15°C
17 Apr
22°C14°C
Saturday
11 Apr
78%
18°C13°C
18 Apr
25°C14°C
Sunday
12 Apr
88%
14°C11°C
19 Apr
22°C14°C
Monday
13 Apr
15°C9°C
20 Apr
81%
19°C13°C
Tuesday
14 Apr
22°C11°C
21 Apr
23°C11°C
Wednesday
15 Apr
22°C12°C
22 Apr
25°C14°C
Thursday
16 Apr
20°C14°C
23 Apr
26°C15°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, Frontier Airlines, AeroMéxico, and WestJet. San Jose and Ontario have 109 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 Los Angeles, Guadalajara, Las Vegas, San Diego, London, Morelia, Phoenix, Honolulu, Toronto, Mexico City, Dallas, Tokyo, Burbank, Edmonton, León, Calgary, Vancouver, New York, San Francisco, Seattle.
What are the most popular routes to and from Ontario?
Travelers frequently search for route combinations, such as Ontario and London, San Francisco, Guadalajara, Las Vegas, Seattle, Dallas, Houston, Sacramento, Portland, Denver, Atlanta, Chicago, Los Angeles, New York, Toronto, Calgary, Vancouver, Mexico City, Edmonton, Washington, D.C..
What airports are near San Jose?
The main airport in San Jose is San Jose International. It is also served by Sacramento International, San Jose International, Fresno Yosemite International, Oakland International, Stockton Metropolitan, Charles M. Schulz–Sonoma County, Monterey Regional, Merced Regional, San Francisco International.
What airports are near Ontario?
The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, Imperial County, McClellan–Palomar.
Which airlines fly between San Jose and Ontario?
Currently, you can fly between San Jose and Ontario with Hawaiian Airlines, Alaska Airlines, Frontier Airlines, AeroMéxico, WestJet.
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 Sacramento International, San Jose International, Fresno Yosemite International, Oakland International, Stockton Metropolitan, Charles M. Schulz–Sonoma County, Monterey Regional, Merced Regional, San Francisco International
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, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, Imperial County, McClellan–Palomar.
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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