Cheapest return flights from Ontario to San Juan in February from $284
AirHint found the following cheapest return flights from Ontario (ONT) to San Juan (SJU)
in February 2026 (see full year ).
Return flights
21 Feb
- 28 Feb
Frontier Airlines
$ 284
20 Feb
- 27 Feb
Frontier Airlines
$ 316
24 Feb
- 27 Feb
Frontier Airlines
$ 320
14 Feb
- 18 Feb
Frontier Airlines
$ 323
11 Feb
- 18 Feb
Frontier Airlines
$ 328
20 Feb
- 24 Feb
Frontier Airlines
$ 354
26 Feb
- 01 Mar
Frontier Airlines
$ 359
05 Feb
- 12 Feb
Frontier Airlines
$ 376
13 Feb
- 17 Feb
Frontier Airlines
$ 380
13 Feb
- 15 Feb
Frontier Airlines
$ 385
19 Feb
- 26 Feb
Frontier Airlines
$ 392
22 Feb
- 01 Mar
Frontier Airlines
$ 393
24 Feb
- 03 Mar
Southwest Airlines
$ 455
25 Feb
- 08 Mar
Southwest Airlines
$ 502
25 Feb
- 09 Mar
Southwest Airlines
$ 505
22 Feb
- 08 Mar
Southwest Airlines
$ 545
27 Feb
- 02 Mar
Southwest Airlines
$ 586
28 Feb
- 08 Mar
Southwest Airlines
$ 666
26 Feb
- 07 Mar
Southwest Airlines
$ 688
Also check the deals for one-way flights from Ontario to San Juan in February .
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