$251+ Cheap flights from Ontario (ONT) to San José (SJO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJO
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to San José with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to San José
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Cheapest flights from Ontario to San JoséExplore the most affordable flight options available from Ontario to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Ontario to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
2 stops13h 52m
Tue 12/86:53 am -
2 stops13h 38m
Deal found 10/25![Multiple Airlines logo]()
$535
This Mytrip deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
2 stops13h 52m
Tue 12/86:53 am -
2 stops13h 38m
Deal found 10/24![Multiple Airlines logo]()
$547
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
2 stops13h 52m
Thu 12/103:00 pm -
1 stop9h 15m
Deal found 10/23![Multiple Airlines logo]()
$550
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
2 stops13h 52m
Thu 12/103:00 pm -
1 stop9h 15m
Deal found 10/22![Multiple Airlines logo]()
$588
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
2 stops13h 52m
Tue 12/86:53 am -
2 stops13h 38m
Deal found 10/25![Multiple Airlines logo]()
$596
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
2 stops13h 52m
Tue 12/86:53 am -
2 stops13h 38m
Deal found 10/23![Multiple Airlines logo]()
$600
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:30 am -
2 stops13h 22m
Thu 12/33:00 pm -
1 stop9h 15m
Deal found 10/25![Multiple Airlines logo]()
$604
This Avianca deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:45 pm -
1 stop8h 05m
Sat 11/143:10 pm -
1 stop7h 40m
Deal found 10/21![Avianca logo]()
$609
Best flights from Ontario to San JoséDiscover carefully curated flight deals from Ontario to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Ontario to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This Volaris deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:05 am -
1 stop20h 39m
Sat 12/123:00 pm -
1 stop10h 58m
Deal found 10/21![Multiple Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/246:00 am -
1 stop10h 16m
Wed 2/39:40 am -
1 stop9h 55m
Deal found 10/21![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/51:42 pm -
2 stops21h 40m
Wed 1/208:45 am -
1 stop15h 30m
Deal found 10/21![United Airlines logo]()
$755
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:40 pm -
1 stop11h 52m
Mon 12/72:25 pm -
1 stop9h 34m
Deal found 10/25![United Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:17 pm -
1 stop14h 15m
Sun 11/2212:35 pm -
1 stop11h 06m
Deal found 10/22![United Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:35 pm -
1 stop16h 57m
Thu 11/2612:35 pm -
1 stop9h 07m
Deal found 10/22![United Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 am -
1 stop12h 39m
Fri 12/42:25 pm -
1 stop9h 34m
Deal found 10/23![United Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:17 pm -
1 stop14h 15m
Wed 11/182:25 pm -
1 stop9h 15m
Deal found 10/21![United Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/216:00 am -
1 stop12h 39m
Sun 2/282:25 pm -
1 stop9h 34m
Deal found 10/25![United Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/235:00 am -
2 stops11h 16m
Thu 2/259:40 am -
1 stop9h 55m
Deal found 10/24![United Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
1 stop12h 39m
Fri 12/48:45 am -
2 stops13h 53m
Deal found 10/22![United Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/911:20 am -
1 stop19h 12m
Sat 1/161:15 am -
2 stops21h 45m
Deal found 10/25![United Airlines logo]()
$815
Last-minute flights from Ontario to San JoséDiscover last-minute flight deals from Ontario to San José. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to San José. Data last updated October 26, 2026 and is based on user searches.
This Avianca deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:45 pm -
1 stop11h 15m
Sat 11/143:10 pm -
1 stop7h 40m
Deal found 10/21![Avianca logo]()
$677
This Avianca deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:45 pm -
1 stop8h 05m
Sat 11/143:10 pm -
1 stop7h 40m
Deal found 10/21![Avianca logo]()
$609
This Trip.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:45 pm -
1 stop10h 40m
Mon 11/167:45 pm -
1 stop27h 05m
Deal found 10/25![Avianca logo]()
$665
This Justfly.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:45 pm -
1 stop10h 40m
Fri 11/137:45 pm -
1 stop27h 05m
Deal found 10/23![Avianca logo]()
$669
This Avianca deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:45 pm -
1 stop8h 05m
Tue 11/173:10 pm -
1 stop7h 40m
Deal found 10/23![Avianca logo]()
$629
This Super.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:45 pm -
1 stop10h 40m
Thu 11/129:45 am -
1 stop13h 05m
Deal found 10/22![Avianca logo]()
$645
This Super.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:45 pm -
1 stop10h 40m
Mon 11/167:45 pm -
1 stop27h 05m
Deal found 10/21![Avianca logo]()
$650
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:30 am -
2 stops13h 22m
Sun 11/224:15 pm -
2 stops24h 36m
Deal found 10/21![Multiple Airlines logo]()
$660
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:30 am -
2 stops13h 22m
Thu 12/33:00 pm -
1 stop9h 15m
Deal found 10/25![Multiple Airlines logo]()
$604
This Avianca deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:45 pm -
1 stop8h 05m
Tue 11/249:45 am -
1 stop13h 05m
Deal found 10/25![Avianca logo]()
$639
This Super.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:45 pm -
1 stop10h 40m
Thu 12/33:10 pm -
1 stop7h 40m
Deal found 10/25![Avianca logo]()
$674
One-way flights from Ontario to San JoséSearch for one-way flight options from Ontario to San José. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Ontario to San José. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:53 pm -
3 stops32h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$251
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:07 pm -
3 stops28h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/63:33 pm -
2 stops31h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$286
This Frontier deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/37:10 pm -
1 stop13h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$292
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
2 stops13h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$301
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:07 pm -
3 stops28h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$305
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
2 stops13h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$312
This Gotogate deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:05 am -
1 stop20h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$319
Find 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 October 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $482 (Gotogate) |
One-way from | $251 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $655 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Ontario to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Tue 11/17
4:17 pm-1:22 pm
2 stops19h 05m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$328
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Sat 11/28
7:05 am-10:15 pm
1 stop13h 10m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$343
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Wed 2/3
5:00 am-8:39 pm
2 stops13h 39m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$379
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Sun 1/10
6:37 pm-8:32 am
1 stop11h 55m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$379
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Sun 12/6
11:59 pm-2:52 pm
2 stops12h 53m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$388
Quickest round-trip
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Sun 1/31
6:00 am-6:16 pm
1 stop10h 16m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$389
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Wed 12/9
6:40 pm-8:39 pm
2 stops23h 59m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$393
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Fri 12/4
12:05 am-10:44 pm
1 stop20h 39m
San José Juan Santamaria Intl
Sat 12/12
3:00 pm-11:58 pm
1 stop10h 58m
$732
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Sun 1/24
6:00 am-6:16 pm
1 stop10h 16m
San José Juan Santamaria Intl
Wed 2/3
9:40 am-5:35 pm
1 stop9h 55m
$751
OntarioSan José
ONT Ontario - SJO San José Juan Santamaria Intl
ONTSJO
Ontario
Tue 1/5
1:42 pm-1:22 pm
2 stops21h 40m
San José Juan Santamaria Intl
Wed 1/20
8:45 am-10:15 pm
1 stop15h 30m
$755
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Ontario to San José
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to San José in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-San José flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-San José flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Ontario-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-San José flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
ONT-SJO
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 José
What is the cheapest month to book a flight from Ontario to San José?
Currently, December is the cheapest month in which you can book a flight from Ontario to San José (average of $390). Flying from Ontario to San José in July is currently the most expensive (average of $760). 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.
How much does it cost to fly round-trip from Ontario to San José?
Airfare is typical for this route at the moment.
Ontario to San José flights typically cost between $464 and $568 in February.The cheapest round-trip price found within the last 5 days was $482 on Multiple Airlines (Feb 19-Feb 27).
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 October 26, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andAvianca from Ontario to San José. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Overall
7.3
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Overall
7.3
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Overall
7.3
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Overall
7.3
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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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.
Traveling to a place near San José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Jacó
Heredia
Dominical
Manuel Antonio
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Ontario and San José flights
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Top 3 airlines flying from Ontario to San José
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$371 | Average$629 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$393 | Average$531 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$404 | Average$529 | FlexibilityNo cancel fee | On-time71% |