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Cheap Flights from Ontario to San Jose, CR, Costa Rica - ONT to SJO

Popular flights from Ontario to San Jose

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Jul 17, 2016 Jul 25, 2016 $850
American Airlines
Departure Date Return Date Lowest Price
Jun 21, 2016 Jun 28, 2016 $622
Jun 21, 2016 Jun 28, 2016 $622
United Airlines
Departure Date Return Date Lowest Price
May 20, 2016 May 22, 2016 $515

How Much Does it Cost to Fly from Ontario to San Jose (ONT to SJO)?

We have collected flight cost data from across the web for travel from Ontario to San Jose, and have found the average flight price for this trip to be $608.

When Can I Buy the Cheapest Flight from Ontario to San Jose (ONT to SJO)?

Airlines can adjust prices for plane tickets from Ontario to San Jose based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Ontario to San Jose

The chart below shows up-to-date information regarding the cheapest days to fly from Ontario to San Jose.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$640 $597 $667 $558 $515 $672 $611

Lowest Fares Chart By Month from Ontario to San Jose

The chart below shows the lowest fare by month when flying from Ontario to San Jose.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Ontario San Jose United 5/20/16 5/22/16 1 $515
June Ontario San Jose United 6/9/16 6/12/16 1 $558
July Ontario San Jose American 7/17/16 7/25/16 3 $639
August Ontario San Jose American 8/6/16 8/13/16 2 $644
September Ontario San Jose American 9/8/16 9/15/16 1 $619
October Ontario San Jose American 10/8/16 10/12/16 2 $629
November Ontario San Jose American 11/17/16 11/25/16 2 $791
December Ontario San Jose United 12/5/16 12/10/16 1 $646

Round Trip vs One Way Flights from Ontario to San Jose (ONT to SJO)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Ontario to San Jose. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Ontario to San Jose is $346.

The average price for round trip flights from Ontario to San Jose is $732.

Ontario to San Jose Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Ontario to San Jose?
Answer: Dallas - Ft Worth, TX

Airlines Flying from Ontario to San Jose (ONT to SJO)

Below are the different airlines that fly from Ontario to San Jose with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Ontario to San Jose.

Ontario to San Jose
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
AeroMexico GDL / MEX X X X
Delta SLC / ATL X X X X X X X
United IAH X X X X X X X
Volaris GDL X X X
Volaris GDL / CUN X X X

Airports for Your Route

These pages contain information about the major airports in Ontario and San Jose, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights to San Jose - SJO

FlightsAirlineLowest Price
Los Angeles to Ft Lauderdale American, Alaska, JetBlue, Spirit, United, Virgin America $165
Las Vegas to Miami American, Alaska, JetBlue, Frontier, United $148
Las Vegas to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $75
Las Vegas to Atlanta American, Alaska, Frontier, Spirit, United $162
Las Vegas to Orlando American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $206
Los Angeles to Tampa American, Alaska, JetBlue, Spirit, United $327
Los Angeles to Charlotte American, Alaska, JetBlue, United $362
Los Angeles to Newark American, Alaska, JetBlue, United, Virgin America $255

Cheap International Flights to San Jose - SJO

FlightsAirlineLowest Price
Los Angeles to San Jose Silver, American, Alaska, JetBlue, Frontier, Avianca LACSA, Spirit, United, Virgin America, Great Lakes $355
Las Vegas to San Jose American, Alaska, JetBlue, Avianca LACSA, Spirit, United, Virgin America, Great Lakes $273
San Diego to San Jose Silver, American, Alaska, JetBlue, Avianca LACSA, Spirit, United $363
Santa Ana to San Jose American, Alaska, JetBlue, Avianca LACSA, Spirit, United $348
Los Angeles to Quepos American, Alaska, Avianca LACSA, United $636
Los Angeles to Liberia American, Alaska, JetBlue, Avianca LACSA, Sun Country, United $342
Los Angeles to Managua American, Alaska, JetBlue, Spirit, United, Virgin America $270
Los Angeles to Panama City American, Alaska, JetBlue, Copa, Frontier, Spirit, United, Virgin America $352
Los Angeles to San Salvador American, Alaska, JetBlue, Spirit, Avianca TACA, United, Virgin America $252
Las Vegas to Liberia American, Alaska, JetBlue, Avianca LACSA, United $326
San Diego to Liberia American, Alaska, JetBlue, Avianca LACSA, Sun Country, United $390
Los Angeles to Guatemala City American, Alaska, JetBlue, Spirit, United, Virgin America $466
Los Angeles to Mexico City Silver, Interjet, American, AeroMexico, Alaska, JetBlue, Spirit, United, Aeromar, Virgin America, Volaris, Great Lakes $311
Los Angeles to Cancun Silver, Interjet, American, AeroMexico, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America, Volaris, Great Lakes $299
Los Angeles to Bogota LAN Colombia, American, Alaska, Avianca, JetBlue, Frontier, Spirit, United, Virgin America $394
Los Angeles to Belize City Tropic Air, American, Alaska, JetBlue, United $340
Las Vegas to Panama City American, Alaska, JetBlue, Copa, Frontier, Spirit, United, Virgin America $488
Los Angeles to Tamarindo American, Alaska, United $651
Las Vegas to Managua American, Alaska, JetBlue, Allegiant, Spirit, United $350
Los Angeles to Montego Bay Silver, American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $348
Las Vegas to Cancun Interjet, American, AeroMexico, Alaska, JetBlue, Frontier, Allegiant, Spirit, Sun Country, United, Virgin America, Volaris, Great Lakes $283
Los Angeles to San Pedro Sula American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $359
Cheap Flights from Ontario to San Jose, CR, Costa Rica, from $515 Round trip from ONT to SJO