Which airports can I use when flying from San José to Ontario?

Flights from San José to Ontario usually depart from San José Juan Santamaria Intl (SJO) and arrive at Ontario (ONT).

What cabin classes can I book on flights from San José to Ontario?

Two cabin classes are available on flights from San José to Ontario: • Economy Class • First Class

Which airports do connecting flights from San José to Ontario pass through?

One-stop flights from San José to Ontario most commonly connect through: • San Salvador El Salvador Intl (SAL) - 30% of one-stop connections • San Francisco (SFO) - 26% of one-stop connections • Dallas/Fort Worth (DFW) - 21% of one-stop connections • Houston George Bush Intcntl (IAH) - 20% of one-stop connections

Can I save money by using flexible dates for flights from San José to Ontario?

Yes. Flexible dates can save you up to 26% on flights from San José to Ontario. Sunday is the cheapest departure day at $430 round-trip on average, while Tuesday is the most expensive at $579, a difference of $149. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

How long is a flight from San José to Ontario?

A nonstop flight from San José to Ontario takes 00m, covering 2,685 miles.

Do I need a passport to fly from San José to Ontario?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from San José to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $552 to $3,070. That means the highest observed fare was about 6x higher than the lowest one.

How are flight prices from San José to Ontario looking right now?

One-way fares from San José to Ontario are currently higher than usual. Average one-way flight prices are about $318, which is 12% above the typical average for this route.

How much time can I save by choosing a different layover airport from San José to Ontario?

Flying via San Salvador El Salvador Intl (SAL) gives the shortest average 1-stop total travel time at 8h 36m, compared with 9h 58m via Las Vegas Harry Reid Intl (LAS) and 11h 02m via Houston George Bush Intcntl (IAH).

What is the time difference between San José and Ontario?

Ontario is 1 hour behind San José (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

How much should I expect to pay for a San José to Ontario flight?

Round-trip flights from San José to Ontario range from $398 to $605, with an average of $527 over the past 12 months. Anything below $398 counts as a good deal.

How much is a round-trip flight from San José to Ontario?

Round-trip flights from San José to Ontario typically range from $398 to $605. The lowest price found in the past 5 days was $552, on Avianca.

What's the cheapest day of the week to fly from San José to Ontario?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from San José to Ontario. It’s 19% cheaper than the average day, while Tuesday is the most expensive, with prices 9% higher.

What’s the cheapest month to fly from San José to Ontario?

•May is the cheapest month to fly from San José to Ontario at $383 round-trip. •August ($894) and January ($659) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 133% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Which airline is the cheapest to fly from San José to Ontario?

Avianca ($552) and United Airlines ($554) are the cheapest airlines to fly round-trip from San José to Ontario according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from San José to Ontario?

San Salvador El Salvador Intl (SAL) is the most popular layover for the San José to Ontario route. 30% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via SAL.

What is the cheapest layover airport when flying from San José to Ontario?

Flights via San Francisco (SFO) offer the most affordable fares, with an average round-trip price of $477. Based on KAYAK data over the past 3 months.

When flying from San José to Ontario which airport offers the shortest layover?

San Salvador El Salvador Intl (SAL) had the shortest average connection time for San José to Ontario layovers at 5h 33m over the past 3 months.

$235 CHEAP FLIGHTS from San José to Ontario (SJO - ONT)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$552

Typical prices: $398-$605

Avianca

Mon 11/19Sat 11/24

SJO - ONT • 1 stop

Cheapest one-way

$235

Typical prices: $211-$351

Multiple Airlines

Sun 3/4

SJO - ONT • 1 stop

Nonstop flights

Not available

There are currently no direct flights between San José and Ontario. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

May

Cheapest • 27% price drop

October

Most popular

Good to know

Top layover airports

San Francisco (SFO)

Cheapest • Avg $477 (round-trip)

San Salvador El Salvador Intl (SAL)

Shortest trip • 8h 36m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ontario!

Flight Deals

Cheap Flights from San José to Ontario (SJO-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from San José to Ontario

Tue, Feb 23 - Sat, Feb 27

3:10 pm - 8:50 pmSJO San José Juan Santamaria Intl-ONT Ontario

7h 40m1 stop San Salvador El Salvador Intl

10:45 pm - 8:50 amONT Ontario-SJO San José Juan Santamaria Intl

8h 05m1 stop San Salvador El Salvador Intl

$552Avianca

Thu, Oct 29 - Tue, Nov 3

3:10 pm - 9:50 pmSJO San José Juan Santamaria Intl-ONT Ontario

7h 40m1 stop San Salvador El Salvador Intl

10:45 pm - 8:50 amONT Ontario-SJO San José Juan Santamaria Intl

8h 05m1 stop San Salvador El Salvador Intl

$552Avianca

Sat, Dec 12 - Sat, Feb 20

3:10 pm - 8:50 pmSJO San José Juan Santamaria Intl-ONT Ontario

7h 40m1 stop San Salvador El Salvador Intl

10:45 pm - 8:50 amONT Ontario-SJO San José Juan Santamaria Intl

8h 05m1 stop San Salvador El Salvador Intl

$552Avianca

Thu, Nov 19 - Tue, Nov 24

3:10 pm - 8:50 pmSJO San José Juan Santamaria Intl-ONT Ontario

7h 40m1 stop San Salvador El Salvador Intl

10:45 pm - 8:50 amONT Ontario-SJO San José Juan Santamaria Intl

8h 05m1 stop San Salvador El Salvador Intl

$552Avianca

Fri, Dec 25 - Sun, Jan 31

7:30 am - 9:00 pmSJO San José Juan Santamaria Intl-ONT Ontario

15h 30m1 stop Denver Intl

6:00 am - 8:32 amONT Ontario-SJO San José Juan Santamaria Intl

24h 32m1 stop San Francisco

$554United Airlines

Thu, Dec 24 - Wed, Feb 3

12:35 pm - 10:11 pmSJO San José Juan Santamaria Intl-ONT Ontario

11h 36m1 stop Houston George Bush Intcntl

9:45 am - 8:32 amONT Ontario-SJO San José Juan Santamaria Intl

20h 47m1 stop San Francisco

$554United Airlines

Wed, Jan 20 - Tue, Feb 2

1:15 am - 3:18 pmSJO San José Juan Santamaria Intl-ONT Ontario

16h 03m2 stops Houston George Bush Intcntl San Francisco

2:00 pm - 1:22 pmONT Ontario-SJO San José Juan Santamaria Intl

21h 22m2 stops San Francisco Houston George Bush Intcntl

$554United Airlines

Sat, Dec 12 - Sat, Feb 20

2:00 pm - 9:42 amSJO San José Juan Santamaria Intl-ONT Ontario

21h 42m2 stops Miami Dallas/Fort Worth

11:59 pm - 1:57 pmONT Ontario-SJO San José Juan Santamaria Intl

11h 58m1 stop Dallas/Fort Worth

$589American Airlines

Sat, Dec 12 - Sat, Feb 20

3:54 pm - 8:45 amSJO San José Juan Santamaria Intl-ONT Ontario

18h 51m2 stops Miami Phoenix Sky Harbor Intl

11:59 pm - 2:32 pmONT Ontario-SJO San José Juan Santamaria Intl

12h 33m2 stops Dallas/Fort Worth Miami

$589American Airlines

Tue, Dec 1 - Mon, Dec 7

6:00 am - 10:20 pmSJO San José Juan Santamaria Intl-ONT Ontario

18h 20m2 stops Orlando Denver Intl

6:00 am - 9:52 pmONT Ontario-SJO San José Juan Santamaria Intl

13h 52m2 stops Denver Intl Mexico City Benito Juarez

$600Multiple Airlines

Recent last minute flight deals from San José to Ontario

Wed, Oct 21 - Tue, Oct 27

7:45 pm - 9:45 pmSJO San José Juan Santamaria Intl-ONT Ontario

27h 00m1 stop San Salvador El Salvador Intl

11:45 pm - 11:25 amONT Ontario-SJO San José Juan Santamaria Intl

10h 40m1 stop San Salvador El Salvador Intl

$559Avianca

Wed, Oct 21 - Tue, Oct 27

7:45 pm - 9:45 pmSJO San José Juan Santamaria Intl-ONT Ontario

27h 00m1 stop San Salvador El Salvador Intl

11:45 pm - 11:25 amONT Ontario-SJO San José Juan Santamaria Intl

10h 40m1 stop San Salvador El Salvador Intl

$562Avianca

Sat, Oct 17 - Sat, Oct 24

3:10 pm - 9:45 pmSJO San José Juan Santamaria Intl-ONT Ontario

7h 35m1 stop San Salvador El Salvador Intl

11:35 pm - 11:25 amONT Ontario-SJO San José Juan Santamaria Intl

10h 50m1 stop San Salvador El Salvador Intl

$577Avianca

Tue, Oct 20 - Thu, Oct 22

3:10 pm - 9:45 pmSJO San José Juan Santamaria Intl-ONT Ontario

7h 35m1 stop San Salvador El Salvador Intl

11:35 pm - 11:30 amONT Ontario-SJO San José Juan Santamaria Intl

10h 55m1 stop San Salvador El Salvador Intl

$577Avianca

Mon, Oct 19 - Sat, Oct 24

8:45 am - 5:36 pmSJO San José Juan Santamaria Intl-ONT Ontario

9h 51m1 stop San Francisco

11:10 am - 7:15 amONT Ontario-SJO San José Juan Santamaria Intl

19h 05m1 stop San Francisco

$597United Airlines

Mon, Oct 19 - Sat, Oct 24

7:55 am - 10:51 pmSJO San José Juan Santamaria Intl-ONT Ontario

15h 56m2 stops Houston George Bush Intcntl San Francisco

1:52 pm - 10:25 amONT Ontario-SJO San José Juan Santamaria Intl

19h 33m2 stops San Francisco Houston George Bush Intcntl

$597United Airlines

Mon, Oct 19 - Mon, Oct 26

1:25 pm - 9:59 pmSJO San José Juan Santamaria Intl-ONT Ontario

9h 34m1 stop Houston George Bush Intcntl

9:25 am - 7:32 amONT Ontario-SJO San José Juan Santamaria Intl

21h 07m1 stop San Francisco

$597United Airlines

Sun, Oct 18 - Sun, Oct 25

8:45 am - 8:31 pmSJO San José Juan Santamaria Intl-ONT Ontario

12h 46m1 stop San Francisco

6:00 am - 7:39 pmONT Ontario-SJO San José Juan Santamaria Intl

12h 39m1 stop Houston George Bush Intcntl

$720Lufthansa

Fri, Oct 16 - Sat, Oct 24

6:00 am - 6:44 pmSJO San José Juan Santamaria Intl-ONT Ontario

13h 44m2 stops Miami Dallas/Fort Worth

2:22 pm - 8:21 pmONT Ontario-SJO San José Juan Santamaria Intl

28h 59m2 stops Dallas/Fort Worth Miami

$757GOL

Fri, Oct 16 - Sat, Oct 24

6:00 am - 6:44 pmSJO San José Juan Santamaria Intl-ONT Ontario

13h 44m2 stops Miami Dallas/Fort Worth

11:59 pm - 8:21 pmONT Ontario-SJO San José Juan Santamaria Intl

19h 22m2 stops Dallas/Fort Worth Miami

$859GOL

Booking Insights

Price, demand and travel trends for San José to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from San José to Ontario? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San José to Ontario departing in november.
What's the cheapest day of the week to fly from San José to Ontario?: Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from San José to Ontario. It’s 19% cheaper than the average day, while Tuesday is the most expensive, with prices 9% higher.
What’s the cheapest month to fly from San José to Ontario? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from San José to Ontario, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •May is the cheapest month to fly from San José to Ontario at $383 round-trip.
•August ($894) and January ($659) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 133% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	May
High season	October
Cheapest flight	$235

Beat the crowds with an average 40% drop in travelers.

The most popular month to fly with an average 30% increase in travelers.

One-way flight from San José to Ontario

When to book flights from San José to Ontario

Are your dates flexible? Find out the best times to travel from San José to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from San José to Ontario?
Two cabin classes are available on flights from San José to Ontario:

• Economy Class
• First Class
How long is a flight from San José to Ontario?
A nonstop flight from San José to Ontario takes 00m, covering 2,685 miles.
Do I need a passport to fly from San José to Ontario?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a San José to Ontario flight?
Round-trip flights from San José to Ontario range from $398 to $605, with an average of $527 over the past 12 months. Anything below $398 counts as a good deal.
Have flight prices from San José to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $552 to $3,070. That means the highest observed fare was about 6x higher than the lowest one.
How are flight prices from San José to Ontario looking right now?
One-way fares from San José to Ontario are currently higher than usual. Average one-way flight prices are about $318, which is 12% above the typical average for this route.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

• Fox
• Thrifty
• Europcar
• Dollar
• Alamo
Which airports can I use when flying from San José to Ontario?
Flights from San José to Ontario usually depart from San José Juan Santamaria Intl (SJO) and arrive at Ontario (ONT).
Which airports do connecting flights from San José to Ontario pass through?
One-stop flights from San José to Ontario most commonly connect through:

• San Salvador El Salvador Intl (SAL) - 30% of one-stop connections
• San Francisco (SFO) - 26% of one-stop connections
• Dallas/Fort Worth (DFW) - 21% of one-stop connections
• Houston George Bush Intcntl (IAH) - 20% of one-stop connections
Can I save money by using flexible dates for flights from San José to Ontario?
Yes. Flexible dates can save you up to 26% on flights from San José to Ontario. Sunday is the cheapest departure day at $430 round-trip on average, while Tuesday is the most expensive at $579, a difference of $149.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from San José to Ontario?
Flying via San Salvador El Salvador Intl (SAL) gives the shortest average 1-stop total travel time at 8h 36m, compared with 9h 58m via Las Vegas Harry Reid Intl (LAS) and 11h 02m via Houston George Bush Intcntl (IAH).
What is the time difference between San José and Ontario?
Ontario is 1 hour behind San José (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Sunday departure and avoid flying on Tuesday. On this route, Sunday flights average $430, about $149 less than Tuesday fares (26% savings) based on the last 12 months.
If you can choose when to travel, plan your San José to Ontario trip for May. Fares historically average $383 round-trip in that month - typically $511 less than the most expensive month, which is August (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

• Ontario Airport Inn
• Azure Hotel & Suites, Trademark Collection by Wyndham
• La Quinta Inn & Suites by Wyndham Ontario Airport

More options for your flight from San José to Ontario

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SJO - ONT

$235 Find Cheap Flights from San José to Ontario - Compare and Save

Everything you should know

Cheap Flights from San José to Ontario (SJO-ONT)

Recent round-trip flight deals from San José to Ontario

Recent one-way flight deals from San José to Ontario

Recent last minute flight deals from San José to Ontario

Price, demand and travel trends for San José to Ontario flights

How much is a round-trip flight from San José to Ontario?

What's the cheapest day of the week to fly from San José to Ontario?

What’s the cheapest month to fly from San José to Ontario?

Which airline is the cheapest to fly from San José to Ontario?

What’s the most popular layover airport when flying from San José to Ontario?

What is the cheapest layover airport when flying from San José to Ontario?

When flying from San José to Ontario which airport offers the shortest layover?

Key details for San José to Ontario flights

Low season

High season

Cheapest flight

When to book flights from San José to Ontario

Your San José to Ontario flight questions, answered

Your guide to booking San José to Ontario flights

More options for your flight from San José to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from San José to Ontario

Find direct flights to and from San José and Ontario

Flights from domestic origins to Ontario

Flights to other popular destinations

Find deals for your return flight