HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario (ONT) to San José (SJO) from $124

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — SJO
Jun 18 — Jun 251
From?
To?
Tue 6/18
Tue 6/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Ontario to San José Juan Santamaria Intl are usually found in May or October, booked 48 days in advance, depart on a Saturday or Monday and return on a Wednesday

Cheap flight deals from Ontario to San José

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 13, 2024.

Popular in

June

Cheapest in

May

Round-trip from

$382

One-way from

$276
High demand for flights, 23% potential price rise
Search Deals
Best time to find cheap flights, 19% potential price drop
Search Deals
From Ontario to San José Juan Santamaria Intl
Search Deals
One-way flight from Ontario to San José Juan Santamaria Intl
Search Deals

What is the cheapest day to fly round-trip from Ontario to San José, San José Province?

Users have found that flying from Ontario to San José, San José Province on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Ontario to San José, San José Province?

Travelers have found it’s best to book a flight 49 days in advance to save up to 27% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to San José, San José Province 1-2 weeks in advance for as low as $399, or $478 for flights within the next 24 hours.

What is the cheapest month to fly from Ontario to San José, San José Province?

Our data shows that September tends to be the cheapest month to fly to San José, San José Province from Ontario. Users have commonly found prices around $413 for the month, but tickets can be as low as $158. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from ONT to SJO?

A simple way to save on the total cost of your ticket is to fly from Ontario to San José, San José Province in the afternoon. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the morning.

Cheap Ontario to San José flights in June & July 2024

Find cheap flight options from Ontario to San José specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on June 13, 2024.
These are some of the most attractive deals on flights from Ontario to San José in 2024. Check back soon for alternative fares.
Wed 7/316:00 amONT - SJO
1 stop12h 37mUnited Airlines
Wed 8/75:30 amSJO - ONT
1 stop16h 41mUnited Airlines
Deal found 6/11$542
Tue 7/306:00 amONT - SJO
1 stop12h 37mUnited Airlines
Wed 8/75:30 amSJO - ONT
1 stop16h 41mUnited Airlines
Deal found 6/12$560
Mon 7/291:30 pmONT - SJO
2 stops19h 33mUnited Airlines
Wed 8/75:30 amSJO - ONT
1 stop16h 41mUnited Airlines
Deal found 6/12$565
Tue 7/96:00 amONT - SJO
1 stop12h 37mUnited Airlines
Wed 8/145:30 amSJO - ONT
1 stop16h 41mUnited Airlines
Deal found 6/13$572
Mon 7/296:00 amONT - SJO
1 stop15h 39mUnited Airlines
Wed 8/75:30 amSJO - ONT
1 stop16h 41mUnited Airlines
Deal found 6/12$579
Wed 7/316:00 amONT - SJO
1 stop15h 39mUnited Airlines
Wed 8/75:30 amSJO - ONT
2 stops18h 15mUnited Airlines
Deal found 6/11$584
Wed 7/316:00 amONT - SJO
1 stop12h 37mUnited Airlines
Thu 8/151:30 pmSJO - ONT
1 stop8h 41mUnited Airlines
Deal found 6/13$592
Sun 7/76:00 amONT - SJO
1 stop15h 39mUnited Airlines
Mon 7/227:55 amSJO - ONT
1 stop14h 16mUnited Airlines
Deal found 6/12$597
Sat 7/66:20 amONT - SJO
2 stops15h 19mUnited Airlines
Sun 7/145:30 amSJO - ONT
1 stop16h 41mUnited Airlines
Deal found 6/12$603

Ontario to San José 2024 flight deals

Discover exclusive flight deals for travel between Ontario and San José in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
These are some of the most attractive deals on flights from Ontario to San José in 2024. Check back soon for alternative fares.
Thu 10/1711:30 pmONT - SJO
1 stop10h 55mAvianca
Sun 10/206:10 amSJO - ONT
2 stops16h 50mAvianca
Deal found 6/13$326
Thu 10/1711:30 pmONT - SJO
1 stop10h 55mAvianca
Mon 10/219:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 6/13$327
Thu 10/1711:30 pmONT - SJO
1 stop10h 55mAvianca
Sun 10/205:10 amSJO - ONT
1 stop17h 50mAvianca
Deal found 6/13$337
Sun 9/2911:30 pmONT - SJO
1 stop8h 10mAvianca
Sat 10/51:30 pmSJO - ONT
1 stop9h 30mAvianca
Deal found 6/13$355
Sun 9/111:30 pmONT - SJO
1 stop8h 10mAvianca
Thu 10/31:30 pmSJO - ONT
1 stop9h 30mAvianca
Deal found 6/12$356
Sun 11/2411:30 pmONT - SJO
1 stop17h 20mAvianca
Tue 11/269:35 amSJO - ONT
1 stop14h 05mAvianca
Deal found 6/11$366
Mon 9/211:30 pmONT - SJO
1 stop8h 10mAvianca
Tue 10/11:30 pmSJO - ONT
1 stop9h 30mAvianca
Deal found 6/12$373
Sat 10/511:30 pmONT - SJO
1 stop10h 55mAvianca
Sat 10/191:30 pmSJO - ONT
1 stop9h 30mAvianca
Deal found 6/13$379
Wed 11/65:15 amONT - SJO
2 stops28h 10mUnited Airlines
Wed 11/1312:35 pmSJO - ONT
1 stop11h 17mUnited Airlines
Deal found 6/12$384

Ontario to San José flights leaving soon

Find last-minute flight options from Ontario to San José for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Users seeking a last-minute flight from Ontario to San José should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.
Sun 6/2310:54 amONT - SJO
1 stop10h 41mAmerican Airlines
Tue 7/211:59 pmSJO - ONT
1 stop11h 04mAmerican Airlines
Deal found 6/12$703
Sat 6/2211:59 pmONT - SJO
1 stop21h 36mAmerican Airlines
Sat 6/2911:59 pmSJO - ONT
1 stop11h 04mAmerican Airlines
Deal found 6/12$707
Tue 6/185:15 amONT - SJO
2 stops13h 22mUnited Airlines
Mon 6/2411:05 amSJO - ONT
2 stops26h 40mUnited Airlines
Deal found 6/13$733
Fri 6/216:20 amONT - SJO
2 stops13h 55mUnited Airlines
Tue 6/2511:05 amSJO - ONT
2 stops12h 22mUnited Airlines
Deal found 6/12$757
Tue 6/1811:30 pmONT - SJO
1 stop10h 55mAvianca
Mon 6/249:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 6/13$763
Thu 6/206:25 pmONT - SJO
1 stop25h 50mUnited Airlines
Thu 6/275:30 amSJO - ONT
2 stops18h 15mUnited Airlines
Deal found 6/13$767
Sun 6/2310:54 amONT - SJO
1 stop10h 41mAmerican Airlines
Sun 6/3011:59 pmSJO - ONT
1 stop11h 04mAmerican Airlines
Deal found 6/13$768
Sun 6/2311:30 pmONT - SJO
1 stop10h 55mAvianca
Mon 7/19:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 6/13$769
Tue 6/1812:49 pmONT - SJO
1 stop8h 46mAmerican Airlines
Fri 6/2111:59 pmSJO - ONT
1 stop14h 49mAmerican Airlines
Deal found 6/13$771

One-way flights to San José from Ontario

Search for one-way flight options from Ontario to San José. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
If you're seeking multiple options on one-way flights from Ontario to San José, be sure to check out these deals, which are updated often. For those needing a return trip from Ontario, there is a search form available above.
Tue 8/2012:40 pmONT - SJO
1 stop8h 28mAmerican Airlines
Deal found 6/12$124
Tue 8/275:15 amONT - SJO
2 stops13h 22mUnited Airlines
Deal found 6/12$169
Tue 8/206:00 amONT - SJO
1 stop12h 37mUnited Airlines
Deal found 6/12$170
Mon 8/266:00 amONT - SJO
1 stop12h 37mUnited Airlines
Deal found 6/12$173
Thu 8/227:40 amONT - SJO
2 stops27h 46mUnited Airlines
Deal found 6/12$175
Tue 8/1311:30 pmONT - SJO
1 stop8h 10mAvianca
Deal found 6/12$176
Sun 8/256:25 pmONT - SJO
2 stops24h 12mUnited Airlines
Deal found 6/12$179
Tue 8/1311:30 pmONT - SJO
1 stop8h 10mAvianca
Deal found 6/11$181
Mon 8/1211:30 pmONT - SJO
1 stop8h 10mAvianca
Deal found 6/12$192

Find flights from Ontario to San José within your budget

Customize your flight search to find flights from Ontario to San José that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$327 - $558

Route

Depart

Return

Price

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Mon 9/2

1 stop8h 10m

San José Juan Santamaria Intl

Thu 10/3

1 stop9h 30m

$327

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Sun 9/29

1 stop8h 10m

San José Juan Santamaria Intl

Sat 10/5

1 stop9h 30m

$355

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Sun 9/1

1 stop8h 10m

San José Juan Santamaria Intl

Thu 10/3

1 stop9h 30m

$356

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Sat 11/9

2 stops14h 50m

San José Juan Santamaria Intl

Wed 11/13

1 stop11h 17m

$379

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Wed 11/6

2 stops28h 10m

San José Juan Santamaria Intl

Wed 11/13

1 stop11h 17m

$384

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Wed 9/4

2 stops11h 56m

San José Juan Santamaria Intl

Wed 9/11

1 stop9h 14m

$395

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Mon 9/23

1 stop8h 10m

San José Juan Santamaria Intl

Fri 9/27

2 stops17h 23m

$418

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Fri 8/30

2 stops30h 36m

San José Juan Santamaria Intl

Sun 9/29

2 stops48h 26m

$535

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Sat 8/10

1 stop23h 20m

San José Juan Santamaria Intl

Mon 8/12

1 stop22h 05m

$558

Flights are sorted by cheapest first

Deals found on 6/12

How far ahead should I book a flight from Ontario to San José, San José Province?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to San José. Price data was last updated on June 12, 2024.
The best time to book flights from Ontario to San José, San José Province is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Ontario to San José, San José Province?

Use this chart to determine the cheapest time to fly round-trip from Ontario to San José. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to San José, San José Province flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Ontario to San José

Have a flexible travel schedule? Discover the best time to fly to San José 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.

Temperature and rainfall in San José by month

Plan your trip to San José by taking into account the average temperature and rainfall totals by month.

SJO

Temperature

64.4 - 69.8 °F

If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San José. Reviews last updated June 13, 2024.
Read reviews from past customers who have flown Avianca, United Airlines and American Airlines from Ontario to San José. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.0
Very good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Copa Airlines
8.0
Very good
2,517 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Avianca
7.4
Good
3,529 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines
7.4
Good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines
7.3
Good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

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

  • Can I find flights from Ontario to San José, San José Province for under $400 on Cheapflights?

    Yes, there are multiple flights from Ontario to San José, San José Province for under $400. The cheapest flight booked recently is on Avianca for just $327, but on average you can expect to pay $385.

  • Are there last-minute flights available from Ontario to San José, San José Province for under $800?

    There are currently 20+ open flights from Ontario to San José, San José Province within the next 7 days for less than $800.

  • What are the cheapest airlines flying from Ontario to San José, San José Province round-trip?

    Flying on Avianca is currently your cheapest option to San José, San José Province, with prices starting at $327. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $379 and $395, respectively. You may be able to fly from Ontario to San José, San José Province for 28% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Ontario to San José, San José Province one-way?

    One-way options have recently been found by users for as low as $124 on American Airlines. Other airlines that offer cheap prices include United Airlines from $169 and Avianca from $176 one-way.

  • What does ONT to SJO mean?

    This is defined as Ontario Airport (ONT) and San José Juan Santamaria Intl Airport (SJO). Codes like San José Juan Santamaria Intl Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Ontario to San José that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to San José flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to San José with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to San José flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Ontario to San José?

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

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

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

  • Can I find deals for flights from Ontario to San José that allow pets onboard?

    Many airlines flying from Ontario to San José offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to San José?

    Yes, you can often find last-minute deals on Ontario to San José flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to San José, San José Province flight deals updated?

    The Ontario to San José, San José Province flight deals you see on this page were last updated on 6/13.

  • What are the most popular airlines that fly from Ontario to San José, San José Province?

    The most popular airlines flying from Ontario to San José, San José Province are American Airlines, Avianca and United Airlines. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from Ontario to San José, San José Province?

    Currently, September is the cheapest month in which you can book a flight from Ontario to San José, San José Province (average of $382). Flying from Ontario to San José, San José Province in July is currently the most expensive (average of $518). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to San José
See prices for flight routes from nearby airports that may be better suited for you.

Los Angeles to San José flights
Los Angeles to Liberia flights
San Francisco to San José flights
Burbank to San José flights
San Francisco to Liberia flights
Oakland to San José flights
Ontario to Liberia flights
San Diego to San José flights
San Jose to San José flights
Las Vegas to San José flights
Sacramento to San José flights
Santa Ana to San José flights
San Jose to Liberia flights
Sacramento to Liberia flights
Las Vegas to Liberia flights
San Diego to Liberia flights
Santa Ana to Liberia flights
Reno to San José flights
Reno to Liberia flights
Fresno to San José flights
Oakland to Liberia flights
Long Beach to San José flights
Medford to Liberia flights
Tijuana to San José flights
Medford to San José flights
Palm Springs to San José flights
Burbank to Liberia flights
San Luis Obispo to San José flights
Arcata to Liberia flights
Monterey to Liberia flights
Santa Rosa to San José flights
Palm Springs to Liberia flights
Fresno to Liberia flights
Monterey to San José flights
Yuma to San José flights
Redding to Liberia flights
Santa Rosa to Liberia flights
Long Beach to Liberia flights

Top 3 airlines flying from Ontario to San José

Discover the top 3 airlines that operate flights from Ontario to San José. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$219Average$392FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$483Average$737FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$505Average$780FlexibilityNo cancel feeOn-time71%
Los Angeles to Barcelona flights
Texas to Florida flights
New York to New Delhi flights
Chicago to St. Louis flights
San Diego to San Francisco flights
San Diego to New York flights
Miami to Puerto Rico flights
Houston to Los Angeles flights
USA to Vietnam flights
Miami to Boston flights
Tampa to Miami flights
Ontario to San Angelo flights

Search flights from Ontario to San José by cabin class

Find flights from Ontario to San José, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Naxos
Flights to Urumqi
Flights to Kaunas
Flights to Hyannis Barnstable
Flights to Brainerd Crow Wing County
Flights to Figari-Sud Corse
Flights to Komatsu
Flights to Riverton
Flights to Hakodate
Flights to Trabzon
Flights to Surigao
Flights to Pellston Emmet County
Flights to Constanţa Mihail Kogalniceanu
Flights to Neiva La Marguita
Flights to Liberal
Flights to Virac
Flights to Devils Lake
Flights to Edremit/Korfez
Flights to Alghero-Fertilia
Flights to Gaziantep
Flights to Paleochori Milos
Flights to Rhinelander Oneida County
Flights to Nampula
Flights to Leh
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines