Cheapest return flights from Ontario to San Juan in March from 445€
AirHint found the following cheapest return flights from Ontario (ONT) to San Juan (SJU)
in March 2026 (see full year ).
Return flights
07 Mar
- 11 Mar
Southwest Airlines
445 €
08 Mar
- 22 Mar
Southwest Airlines
447 €
15 Mar
- 22 Mar
Southwest Airlines
459 €
03 Mar
- 14 Mar
Southwest Airlines
468 €
01 Mar
- 08 Mar
Southwest Airlines
494 €
13 Mar
- 20 Mar
Southwest Airlines
502 €
04 Mar
- 16 Mar
Southwest Airlines
510 €
28 Mar
- 04 Apr
Southwest Airlines
549 €
23 Mar
- 28 Mar
Southwest Airlines
564 €
31 Mar
- 06 Apr
Southwest Airlines
569 €
16 Mar
- 23 Mar
Southwest Airlines
570 €
15 Mar
- 29 Mar
Southwest Airlines
609 €
29 Mar
- 05 Apr
Southwest Airlines
806 €
22 Mar
- 05 Apr
Southwest Airlines
996 €
Also check the deals for one-way flights from Ontario to San Juan in March .
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