Cheap Flights from Ontario International Airport to San Jose (Costa Rica) (SJO) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/7
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		1Search	2594	3627	4682	5460
6496	7Search	8Search	9Search	10Search	11443	12553
13446	14496	15Search	16Search	17Search	18Search	19489
20Search	21492	22Search	23430	24491	25508	26Search
27Search	28437	29Search	30Search	31Search

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2025/7
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Ontario－Juan Santamaria Airport
July Lowest Airfares
USD430

The airfare displayed above is for United Airlines

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Ontario－Juan Santamaria Airport
August Lowest Airfares
USD379

The airfare displayed above is for United Airlines

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Ontario－Juan Santamaria Airport
September Lowest Airfares
USD413

The airfare displayed above is for United Airlines

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Ontario－Juan Santamaria Airport
October Lowest Airfares
USD438

The airfare displayed above is for United Airlines

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Ontario－Juan Santamaria Airport
November Lowest Airfares
USD426

The airfare displayed above is for United Airlines

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Ontario－San Jose (Costa Rica)
Estimated Flight Time
5 Hours 50 Minutes
Ontario－San Jose (Costa Rica)
Number of Operating Airlines
5

Operating Airlines for Ontario－Juan Santamaria Airport Route
American Airlines

Avianca

Copa Airlines

Delta Air Lines

United Airlines

Other Destinations from:Ontario

Ontario－Liberia(Daniel Oduber Quiros)
USD548〜
* Fares vary in accordance to seat availability
Other Departures to: San Jose (Costa Rica)

Philadelphia Airport－San Jose (Costa Rica)(Juan Santamaria)
USD1,211〜
* Fares vary in accordance to seat availability