What are the cheapest airlines to fly from Region of Ontario to San Jose one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at C$ 256. Lufthansa flights start at C$ 279 while deals on Delta start at C$ 311 one-way.

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 79.0 mm per month. January is typically the wettest month, when rainfall can reach 79.0 mm. July is typically the driest time to visit San Jose when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Jose, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

What are the most popular routes from Region of Ontario to San Jose?

Most travellers choose Toronto Pearson Intl - San Jose, Montreal Pierre Elliott Trudeau Intl - San Jose or Hamilton - San Jose when deciding on the best route from Region of Ontario to San Jose.

What are the most popular airlines that fly from Region of Ontario to San Jose?

American Airlines, Air Canada and Alaska Airlines are the most popular airlines when flying from Region of Ontario to San Jose.

How far in advance should I book a flight from Region of Ontario to San Jose?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 33% on flights from Region of Ontario to San Jose compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 421. For sooner than that we have options available in the next 3 days from C$ 568.

What is the cheapest month to fly from Region of Ontario to San Jose?

The best pricing can be found in the month of March. Prices to San Jose from Region of Ontario average C$ 498. You can even find prices in March for less than C$ 498, as users have found deals to San Jose from as low as C$ 331. The month of June appears to be one of the more expensive times to travel to San Jose from Region of Ontario. Flying in the targeted month can save you up to 15%.

What airport do you fly into for flights to San Jose from Ontario?

For a flight from Ontario to San Jose, you will be flying into San Jose. San Jose (SJC) is just 4.6 km from the centre of the city.

Can I find deals for flights from Ontario to San Jose that include hotel bookings?

Yes. In addition to deals on Ontario to San Jose flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to San Jose?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Jose.

Can I find deals for business class flights from Ontario to San Jose?

Yes. Cheapflights offers flight deals from Ontario to San Jose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 207+ Flights from Ontario to San Jose

Cheap flight deals from Ontario to San Jose

Round-trip from	C$ 432
One-way from	C$ 223
Popular in	June
Cheapest in	March
Average price	C$ 576

United Airlines
17/7-27/8
4 total stops
21h 22m total
Ontario to San Jose

Search Deals

13/8
1 total stop
24h 59m total
Ontario to San Jose

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (C$ 30 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Ontario to San Jose

Cheapest flights from Ontario to San Jose
Explore the most affordable flight options available from Ontario to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Wed 16/79:00 a.m.YYZ - SJC

2 stops11h 18mUnited Airlines

Tue 26/83:45 p.m.SJC - YYZ

2 stops14h 34mUnited Airlines

Deal found 29/6C$ 432

Mon 14/78:05 p.m.YYZ - SJC

1 stop17h 31mMultiple Airlines

Thu 28/86:00 a.m.SJC - YYZ

1 stop10h 59mMultiple Airlines

Deal found 29/6C$ 436

Fri 11/79:44 a.m.YYZ - SJC

1 stop14h 18mAir Canada

Sat 26/76:24 p.m.SJC - YYZ

1 stop15h 34mAir Canada

Deal found 29/6C$ 509

Tue 29/76:30 a.m.YYZ - SJC

1 stop9h 09mDelta

Mon 4/85:40 p.m.SJC - YYZ

2 stops13h 39mDelta

Deal found 29/6C$ 518

Wed 13/83:45 p.m.YOW - SJC

3 stops22h 59mMultiple Airlines

Wed 20/86:00 a.m.SJC - YOW

3 stops21h 45mMultiple Airlines

Deal found 29/6C$ 538

Thu 9/104:45 p.m.YYZ - SJC

1 stop19h 38mAlaska Airlines

Mon 13/106:59 p.m.SJC - YYZ

1 stop17h 01mAlaska Airlines

Deal found 28/6C$ 547

Thu 31/76:50 a.m.YYZ - SJC

1 stop18h 56mAmerican Airlines

Wed 13/88:00 a.m.SJC - YYZ

1 stop11h 45mAmerican Airlines

Deal found 29/6C$ 550

Thu 14/812:25 p.m.YTZ - SJC

3 stops26h 19mMultiple Airlines

Thu 21/86:00 a.m.SJC - YTZ

2 stops12h 20mMultiple Airlines

Deal found 30/6C$ 569

Tue 12/87:00 a.m.YUL - SJC

2 stops18h 36mMultiple Airlines

Tue 19/86:15 a.m.SJC - YUL

2 stops31h 12mMultiple Airlines

Deal found 27/6C$ 580

Thu 14/86:00 a.m.YKF - SJC

2 stops19h 58mMultiple Airlines

Thu 21/86:00 a.m.SJC - YKF

3 stops15h 46mMultiple Airlines

Deal found 30/6C$ 650

Thu 14/86:00 a.m.YHM - SJC

2 stops19h 58mMultiple Airlines

Thu 21/86:00 a.m.SJC - YHM

3 stops15h 41mMultiple Airlines

Deal found 30/6C$ 679

Sat 1/114:45 p.m.YUL - SJC

1 stop8h 43mUnited Airlines

Sun 9/114:02 p.m.SJC - YUL

2 stops13h 30mUnited Airlines

Deal found 29/6C$ 729

Best flights from Ontario to San Jose
Discover carefully curated flight deals from Ontario to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 June 2025.

Thu 17/77:00 a.m.YYZ - SJC

2 stops9h 22mUnited Airlines

Wed 27/86:20 p.m.SJC - YYZ

2 stops12h 00mUnited Airlines

Deal found 29/6C$ 432

Mon 14/78:05 p.m.YYZ - SJC

1 stop30h 49mMultiple Airlines

Mon 21/74:22 p.m.SJC - YYZ

1 stop10h 58mMultiple Airlines

Deal found 30/6C$ 435

Sun 31/86:20 a.m.YYZ - SJC

2 stops9h 32mDelta

Wed 10/96:30 a.m.SJC - YYZ

2 stops14h 17mDelta

Deal found 30/6C$ 508

Fri 11/79:44 a.m.YYZ - SJC

1 stop14h 18mAir Canada

Sat 26/76:24 p.m.SJC - YYZ

1 stop15h 34mAir Canada

Deal found 29/6C$ 509

Thu 31/76:50 a.m.YYZ - SJC

1 stop18h 56mAmerican Airlines

Wed 13/88:00 a.m.SJC - YYZ

1 stop11h 45mAmerican Airlines

Deal found 29/6C$ 550

Wed 24/97:00 a.m.YUL - SJC

2 stops13h 00mWestJet

Tue 30/98:05 p.m.SJC - YUL

2 stops25h 36mWestJet

Deal found 28/6C$ 884

Wed 13/83:45 p.m.YOW - SJC

3 stops22h 59mMultiple Airlines

Wed 20/86:00 a.m.SJC - YOW

3 stops21h 45mMultiple Airlines

Deal found 29/6C$ 538

Thu 14/812:25 p.m.YTZ - SJC

3 stops26h 19mMultiple Airlines

Thu 21/86:00 a.m.SJC - YTZ

2 stops12h 20mMultiple Airlines

Deal found 30/6C$ 569

Tue 12/87:00 a.m.YUL - SJC

2 stops18h 36mMultiple Airlines

Tue 19/86:15 a.m.SJC - YUL

2 stops31h 12mMultiple Airlines

Deal found 27/6C$ 580

Sat 1/114:45 p.m.YUL - SJC

1 stop8h 43mUnited Airlines

Sun 9/114:02 p.m.SJC - YUL

2 stops13h 30mUnited Airlines

Deal found 29/6C$ 729

Tue 12/87:00 a.m.YUL - SJC

2 stops15h 13mDelta

Tue 19/810:58 p.m.SJC - YUL

1 stop9h 39mDelta

Deal found 28/6C$ 782

Sat 1/119:25 a.m.YUL - SJC

2 stops11h 13mAir Canada

Fri 7/114:02 p.m.SJC - YUL

2 stops18h 58mAir Canada

Deal found 29/6C$ 802

Last-minute flights from Ontario to San Jose
Discover last-minute flight deals from Ontario to San Jose. Data last updated 30 June 2025 and is based on user searches.

Mon 7/75:15 p.m.YYZ - SJC

1 stop8h 31mAlaska Airlines

Thu 24/76:00 a.m.SJC - YYZ

1 stop13h 55mAlaska Airlines

Deal found 29/6C$ 770

Tue 8/710:10 a.m.YYZ - SJC

1 stop26h 40mMultiple Airlines

Tue 22/74:22 p.m.SJC - YYZ

1 stop10h 58mMultiple Airlines

Deal found 28/6C$ 646

Wed 9/75:15 p.m.YYZ - SJC

1 stop20h 33mAmerican Airlines

Sat 19/76:00 a.m.SJC - YYZ

1 stop13h 55mAmerican Airlines

Deal found 28/6C$ 592

Thu 10/72:45 p.m.YYZ - SJC

1 stop10h 50mUnited Airlines

Wed 23/76:20 a.m.SJC - YYZ

1 stop13h 50mUnited Airlines

Deal found 29/6C$ 432

Thu 10/71:20 p.m.YYZ - SJC

1 stop9h 31mDelta

Sun 20/76:30 a.m.SJC - YYZ

1 stop12h 29mDelta

Deal found 30/6C$ 439

Thu 10/79:00 p.m.YYZ - SJC

2 stops23h 18mAir Canada

Fri 18/76:24 p.m.SJC - YYZ

1 stop15h 34mAir Canada

Deal found 29/6C$ 523

Thu 10/710:00 a.m.YYZ - SJC

2 stops15h 12mWestJet

Tue 15/72:32 p.m.SJC - YYZ

2 stops12h 40mWestJet

Deal found 30/6C$ 580

Thu 10/78:10 a.m.YUL - SJC

2 stops17h 02mWestJet

Sat 19/73:20 p.m.SJC - YUL

2 stops36h 48mWestJet

Deal found 28/6C$ 1,008

Thu 10/710:00 a.m.YYZ - SJC

2 stops15h 12mWestJet

Tue 15/73:20 p.m.SJC - YYZ

1 stop12h 40mWestJet

Deal found 29/6C$ 580

Fri 11/79:44 a.m.YYZ - SJC

1 stop14h 18mAir Canada

Sat 26/76:24 p.m.SJC - YYZ

1 stop15h 34mAir Canada

Deal found 29/6C$ 509

Fri 11/78:30 a.m.YTZ - SJC

2 stops18h 24mMultiple Airlines

Mon 14/76:30 a.m.SJC - YTZ

2 stops11h 50mMultiple Airlines

Deal found 29/6C$ 802

Mon 14/78:05 p.m.YYZ - SJC

1 stop17h 31mMultiple Airlines

Thu 28/86:00 a.m.SJC - YYZ

1 stop10h 59mMultiple Airlines

Deal found 29/6C$ 436

One-way flights from Ontario to San Jose
Search for one-way flight options from Ontario to San Jose. Find affordable one-way fares based on user searches. Data last updated 30 June 2025.

Wed 13/88:05 p.m.YYZ - SJC

1 stop24h 59mMultiple Airlines

Deal found 28/6C$ 223

Thu 14/88:55 p.m.YYZ - SJC

2 stops18h 07mUnited Airlines

Deal found 30/6C$ 256

Wed 23/76:00 a.m.YKF - SJC

3 stops20h 54mMultiple Airlines

Deal found 29/6C$ 268

Wed 13/86:00 a.m.YOW - SJC

2 stops19h 39mMultiple Airlines

Deal found 29/6C$ 268

Tue 26/86:45 a.m.YUL - SJC

3 stops36h 01mMultiple Airlines

Deal found 29/6C$ 274

Sun 31/86:10 a.m.YYZ - SJC

1 stop8h 55mLufthansa

Deal found 30/6C$ 279

Wed 23/76:00 a.m.YHM - SJC

3 stops20h 54mMultiple Airlines

Deal found 29/6C$ 295

Mon 21/71:20 p.m.YYZ - SJC

2 stops13h 16mDelta

Deal found 30/6C$ 311

Fri 22/86:49 a.m.YYZ - SJC

1 stop17h 15mAmerican Airlines

Deal found 29/6C$ 313

Fri 11/79:00 p.m.YYZ - SJC

2 stops26h 53mAir Canada

Deal found 29/6C$ 315

Fri 4/76:30 a.m.YYZ - SJC

2 stops18h 42mWestJet

Deal found 30/6C$ 328

Wed 23/79:45 a.m.YTZ - SJC

2 stops17h 09mMultiple Airlines

Deal found 29/6C$ 331

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 16/7

9:00 a.m.-5:18 p.m.

2 stops11h 18m

San Jose

Tue 26/8

3:45 p.m.-9:19 a.m.

2 stops14h 34m

C$ 432

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Mon 14/7

8:05 p.m.-10:36 a.m.

1 stop17h 31m

San Jose

Thu 28/8

6:00 a.m.-7:59 p.m.

1 stop10h 59m

C$ 436

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 11/7

9:44 a.m.-9:02 p.m.

1 stop14h 18m

San Jose

Sat 26/7

6:24 p.m.-12:58 p.m.

1 stop15h 34m

C$ 509

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 29/7

1:20 p.m.-10:50 p.m.

1 stop12h 30m

San Jose

Wed 6/8

5:40 p.m.-11:59 a.m.

2 stops15h 19m

C$ 518

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Wed 13/8

3:45 p.m.-11:44 a.m.

3 stops22h 59m

San Jose

Wed 20/8

6:00 a.m.-6:45 a.m.

3 stops21h 45m

C$ 538

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 9/10

4:45 p.m.-9:23 a.m.

1 stop19h 38m

San Jose

Mon 13/10

6:59 p.m.-3:00 p.m.

1 stop17h 01m

C$ 547

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 31/7

6:50 a.m.-10:46 p.m.

1 stop18h 56m

San Jose

Wed 13/8

8:00 a.m.-10:45 p.m.

1 stop11h 45m

C$ 550

TorontoSan Jose

YTZ - SJC

YTZSJC

Toronto Island

Thu 14/8

12:25 p.m.-11:44 a.m.

3 stops26h 19m

San Jose

Thu 21/8

6:00 a.m.-9:20 p.m.

2 stops12h 20m

C$ 569

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Tue 12/8

7:00 a.m.-10:36 p.m.

2 stops18h 36m

San Jose

Tue 19/8

6:15 a.m.-4:27 p.m.

2 stops31h 12m

C$ 580

TorontoSan Jose

YKF - SJC

YKFSJC

Toronto Region of Waterloo Intl

Thu 14/8

6:00 a.m.-10:58 p.m.

2 stops19h 58m

San Jose

Thu 21/8

6:00 a.m.-12:46 a.m.

3 stops15h 46m

C$ 650

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/6

Showing 1-10 of 39 results

Best time to book a flight from Ontario to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to San Jose

What is the cheapest month to book a flight from Region of Ontario to San Jose?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to San Jose (average of C$ 331). Flying from Region of Ontario to San Jose in December is currently the most expensive (average of C$ 459). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to SJC?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Jose as you normally would.

Reviews of airlines servicing San Jose

Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Ontario to San Jose. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,973 reviews

Delta

8.0

Very good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,852 reviews

Delta

8.0

Very good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet

7.2

Good

2,908 reviews

Delta

8.0

Very good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.1

Good

9,654 reviews

Delta

8.0

Very good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to San Jose from Ontario?
For a flight from Ontario to San Jose, you will be flying into San Jose. San Jose (SJC) is just 4.6 km from the centre of the city.
What are the cheapest airlines to fly from Region of Ontario to San Jose one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at C$ 256. Lufthansa flights start at C$ 279 while deals on Delta start at C$ 311 one-way.
What are the most popular routes from Region of Ontario to San Jose?
Most travellers choose Toronto Pearson Intl - San Jose, Montreal Pierre Elliott Trudeau Intl - San Jose or Hamilton - San Jose when deciding on the best route from Region of Ontario to San Jose.
Can I find deals for flights from Ontario to San Jose that include hotel bookings?
Yes. In addition to deals on Ontario to San Jose flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to San Jose?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Jose.
Can I find deals for business class flights from Ontario to San Jose?
Yes. Cheapflights offers flight deals from Ontario to San Jose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to San Jose?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario to San Jose (average of C$ 331). Flying from Region of Ontario to San Jose in December is currently the most expensive (average of C$ 459). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

San Jose car rentals

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Top 7 airlines flying from Ontario to San Jose

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 299	AverageC$ 500	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 359	AverageC$ 551	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 381	AverageC$ 817	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Alaska Airlines	CheapestC$ 385	AverageC$ 697	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
American Airlines	CheapestC$ 391	AverageC$ 588	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Porter Airlines	CheapestC$ 394	AverageC$ 496	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
WestJet	CheapestC$ 490	AverageC$ 585	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to San Jose?

Cheapflights makes it easy to find Ontario to San Jose flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to San Jose?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to San Jose.

Can Cheapflights find flights from Ontario to San Jose with no change fees?

Yes, we can. To see specific flights from Ontario to San Jose with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Ontario to San Jose from C$ 207

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to San Jose

Keep the following information in mind while searching for Ontario to San Jose flight deals. Data was last updated 30 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to San Jose

Cheapest flights from Ontario to San JoseExplore the most affordable flight options available from Ontario to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Explore the most affordable flight options available from Ontario to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to San Jose that are best for you.

Best time to book a flight from Ontario to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to San Jose

What is the cheapest month to book a flight from Region of Ontario to San Jose?

What is the cheapest time of day to fly from ON to SJC?

Find hourly flight availability from Ontario to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 June 2025.

Reviews of airlines servicing San Jose

Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Ontario to San Jose. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Jose from Ontario?

What are the cheapest airlines to fly from Region of Ontario to San Jose one-way?

What are the most popular routes from Region of Ontario to San Jose?

Can I find deals for flights from Ontario to San Jose that include hotel bookings?

How can I find direct flights from Ontario to San Jose?

Can I find deals for business class flights from Ontario to San Jose?

What is the cheapest month to book a flight from Region of Ontario to San Jose?

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Alternative routes for Ontario to San Jose

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Top 7 airlines flying from Ontario to San Jose

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Cheapest flights from Ontario to San Jose
Explore the most affordable flight options available from Ontario to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.