AirHint found the following cheapest return flights from Austin (AUS) to San Juan (SJU)
in May 2024 (see full year ).
Return flights
21 May
- 25 May
Frontier Airlines
$ 268
31 May
- 04 Jun
Spirit Airlines
$ 298
27 May
- 10 Jun
Spirit Airlines
$ 307
20 May
- 01 Jun
Allegiant Air
$ 318
30 May
- 02 Jun
Spirit Airlines
$ 318
23 May
- 28 May
Spirit Airlines
$ 338
20 May
- 03 Jun
Allegiant Air
$ 358
23 May
- 27 May
Spirit Airlines
$ 367
17 May
- 31 May
Spirit Airlines
$ 379
17 May
- 24 May
Spirit Airlines
$ 385
20 May
- 27 May
Frontier Airlines
$ 389
17 May
- 21 May
Spirit Airlines
$ 425
24 May
- 27 May
Spirit Airlines
$ 427
18 May
- 21 May
Spirit Airlines
$ 429
23 May
- 26 May
Spirit Airlines
$ 429
25 May
- 01 Jun
Spirit Airlines
$ 433
24 May
- 02 Jun
Spirit Airlines
$ 435
25 May
- 10 Jun
Spirit Airlines
$ 455
25 May
- 09 Jun
Spirit Airlines
$ 471
25 May
- 08 Jun
Spirit Airlines
$ 506
Also check the deals for one-way flights from Austin to San Juan in May .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
