Cheapest return flights from Ontario to San Jose in March from 435€
AirHint found the following cheapest return flights from Ontario (ONT) to San Jose (SJO)
in March 2026 (see full year ).
Return flights
03 Mar
- 11 Mar
Southwest Airlines
435 €
30 Mar
- 07 Apr
Southwest Airlines
446 €
28 Mar
- 04 Apr
Frontier Airlines
475 €
01 Mar
- 05 Mar
Southwest Airlines
476 €
17 Mar
- 24 Mar
Southwest Airlines
479 €
17 Mar
- 31 Mar
Southwest Airlines
484 €
24 Mar
- 31 Mar
Avianca
493 €
18 Mar
- 24 Mar
Southwest Airlines
503 €
30 Mar
- 01 Apr
Southwest Airlines
508 €
04 Mar
- 08 Mar
Southwest Airlines
521 €
10 Mar
- 25 Mar
Southwest Airlines
521 €
03 Mar
- 08 Mar
Southwest Airlines
522 €
09 Mar
- 17 Mar
Southwest Airlines
529 €
30 Mar
- 02 Apr
Southwest Airlines
554 €
27 Mar
- 06 Apr
Southwest Airlines
684 €
29 Mar
- 05 Apr
Southwest Airlines
720 €
27 Mar
- 13 Apr
Southwest Airlines
746 €
27 Mar
- 05 Apr
Southwest Airlines
766 €
28 Mar
- 05 Apr
Southwest Airlines
766 €
Also check the deals for one-way flights from Ontario to San Jose in March .
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