Cheap Flights from Ontario to San Jose
Cheap Flights from Ontario to San Jose
Looking for cheap flights from Ontario to San Jose? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Ontario to San Jose vary by season, cabin, and date, but available award flights can start around 18,000–25,000 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Ontario to San Jose for specific travel dates.
2026-11-24
ONT - SJO
Economy | 1 Stop
From 18,000 Pts + $24.7
2026-11-24
ONT - SJO
Economy | 1 Stop
From 20,000 Pts + $24.7
2026-12-30
ONT - SJO
Economy | 2 Stops | 9+ left
From 22,500 Pts + $30.3
2026-11-28
ONT - SJO
Economy | 1 Stop
From 23,300 Pts + $48.1
2026-11-12
ONT - SJO
Economy | 2 Stops | 8 left
From 25,000 Pts + $44.7
2026-11-08
ONT - SJO
Economy | 2 Stops | 9+ left
From 25,000 Pts + $50.3
Ontario to San Jose flight facts
Distance
2,687 mi
4,324 km in a straight line
Estimated flight time
about 5h 45m
In the air, for the straight-line distance
Time difference
+2h
San Jose is 2 hours ahead of Ontario.
Airports in Ontario
ONT · Ontario Intl
Airports in San Jose
SJO · Juan Santamaria Intl
Nearby airport alternatives
Flights Santa Ana - San Jose · Santa Ana is 30 mi from Ontario
Flights Burbank - San Jose · Burbank is 44 mi from Ontario
Flights Los Angeles - San Jose · Los Angeles is 47 mi from Ontario
Flights Palm Springs - San Jose · Palm Springs is 65 mi from Ontario
Flights San Diego - San Jose · San Diego is 94 mi from Ontario
Flights Ontario - Liberia · Liberia is 100 mi from San Jose
Premium cabin flights from Ontario to San Jose
Premium cabin
2026-11-15
ONT - SJO
First | 2 Stops | 3 left
From 70,000 Pts + $24.7
Premium cabin
2026-11-14
ONT - SJO
First | 2 Stops | 3 left
From 70,000 Pts + $30.3
Premium cabin
2026-11-06
ONT - SJO
First | 2 Stops | 2 left
From 85,000 Pts + $24.7
Premium cabin
2026-11-17
ONT - SJO
First | 2 Stops | 4 left
From 85,000 Pts + $24.7
Premium cabin
2026-11-05
ONT - SJO
First | 2 Stops | 2 left
From 85,000 Pts + $30.3
Premium cabin
2026-11-16
ONT - SJO
First | 2 Stops | 4 left
From 85,000 Pts + $30.3
Selected hotels for your next stay
San jose (Costa Rica)
Alta Las Palomas(SLH)
From 60,000 Pts or $185
Monteverge (Costa Rica)
Senda Monteverde Hotel, an SLH Hotel
From 95,000 Pts or $504
Manuel Antonio (Costa Rica)
Los Altos Resort, an SLH Hotel
From 140,000 Pts or $719
Frequently Asked Questions
The cheapest route from Ontario to San Jose depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Ontario to San Jose.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Ontario to San Jose.
Ontario and San Jose are about 2,687 miles (4,324 km) apart in a straight line.
Flying the 2,687-mile straight-line distance takes about 5h 45m in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
San Jose is 2 hours ahead of Ontario.
Departures from Ontario: Ontario Intl (ONT). Arrivals in San Jose: Juan Santamaria Intl (SJO).
Travelers searching this route also look at other popular routes into San Jose, plus the return trip when we track it. Fares and award space change daily.
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Our mission is to provide the simplest and best
points travel planning experience. Yeah!
