AirHint found the following cheapest return flights from Washington (IAD) to San Jose (SJO)
in May 2025 (see full year ).
Return flights
08 May
- 12 May
Volaris El Salvador
$ 217
04 May
- 09 May
Volaris El Salvador
$ 219
17 May
- 21 May
Volaris El Salvador
$ 228
11 May
- 16 May
Volaris El Salvador
$ 230
23 May
- 26 May
Volaris El Salvador
$ 235
13 May
- 20 May
Copa
$ 243
23 May
- 01 Jun
Volaris El Salvador
$ 263
22 May
- 01 Jun
Volaris El Salvador
$ 265
24 May
- 01 Jun
Volaris El Salvador
$ 265
24 May
- 03 Jun
Volaris El Salvador
$ 270
15 May
- 20 May
Volaris El Salvador
$ 274
16 May
- 20 May
Avianca
$ 285
08 May
- 15 May
Volaris El Salvador
$ 288
10 May
- 17 May
Volaris El Salvador
$ 299
31 May
- 05 Jun
Avianca
$ 304
31 May
- 29 Jun
Volaris El Salvador
$ 311
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.