| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option San Jose Ontario | Outbound 04/12/25 1 Stopover (DEN) F94918, F91261 18h 42min | Return 04/27/25 1 Stopover (LAS) F94758, F94103 17h 15min |  Frontier Airlines |  | $94 | ||
| San Jose Ontario | Outbound 04/12/25 1 Stopover (DEN) F94918, F91261 18h 42min | Return 04/27/25 1 Stopover (LAS) F94758, F94103 17h 15min | Frontier Airlines |  | $98 | ||
| San Jose Ontario | Outbound 04/12/25 1 Stopover (DEN) F94918, F91261 18h 42min | Return 04/27/25 1 Stopover (DEN) F91500, F94917 10h 35min | Frontier Airlines |  | ? | $188 | |
| San Jose Ontario | Outbound 04/12/25 1 Stopover (SEA) HA6862, HA6667 06h 51min | Return 04/27/25 1 Stopover (DEN) F91500, F94917 10h 35min |  Hawaiian Airlines |  | ? | $388 | |
| San Jose Ontario | Outbound 04/12/25 1 Stopover (PHX) AA1059, AA2661 05h 59min | Return 04/27/25 1 Stopover (PHX) AA1194, AA4971 06h 06min |  American Airlines |  | ? | $409 | |
| San Jose Ontario | Outbound 04/12/25 1 Stopover (PDX) AS3420, AS2074 05h 14min | Return 04/27/25 1 Stopover (PDX) AS2301, AS2240 04h 54min |  Alaska Airlines |  | $560 | ||
| San Jose Ontario | Outbound 04/12/25 1 Stopover (DEN) UA1505, UA1574 12h 12min | Return 04/27/25 1 Stopover (DEN) UA1460, UA2187 16h 25min |  United Airlines |  | ? | $580 |
Tips and tricks to help you find cheap flights from San Jose to Ontario
Favorite airline: e.g. American Airlines, Alaska Airlines, Spirit Airlines
American Airlines is the most popular airline for flights from San Jose to Ontario.
American Airlines
29 %
Alaska Airlines
29 %
Spirit Airlines
29 %