AirHint found the following cheapest return flights from Washington (IAD) to San Jose (SJO)
in May 2025 (see full year ).
Return flights
11 May
- 16 May
Volaris El Salvador
$ 231
25 May
- 04 Jun
Volaris El Salvador
$ 232
13 May
- 19 May
American Airlines
$ 236
29 May
- 02 Jun
Volaris El Salvador
$ 236
12 May
- 29 May
American Airlines
$ 238
21 May
- 28 May
Volaris El Salvador
$ 243
19 May
- 26 May
Volaris El Salvador
$ 243
21 May
- 26 May
Volaris El Salvador
$ 243
16 May
- 19 May
Volaris El Salvador
$ 249
06 May
- 12 May
Avianca
$ 250
30 May
- 02 Jun
Volaris El Salvador
$ 252
06 May
- 18 May
Avianca
$ 253
16 May
- 18 May
Volaris El Salvador
$ 256
30 May
- 01 Jun
Volaris El Salvador
$ 256
23 May
- 01 Jun
Volaris El Salvador
$ 315
Also check the deals for one-way flights from Washington to San Jose 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.
