Cheapest return flights from Washington to San Juan in May from $252

AirHint found the following cheapest return flights from Washington (DCA) to San Juan (SJU) in May 2026 (see full year).

Return flights

02 May - 04 May Southwest Airlines
12 May - 19 May Delta
10 May - 13 May Delta
16 May - 19 May Delta
17 May - 20 May Southwest Airlines
11 May - 14 May Delta
05 May - 08 May Delta
05 May - 12 May Southwest Airlines
02 May - 05 May Delta
10 May - 13 May jetBlue direct
28 May - 02 Jun jetBlue
29 May - 02 Jun jetBlue
28 May - 01 Jun jetBlue
29 May - 08 Jun jetBlue
29 May - 01 Jun jetBlue
28 May - 02 Jun jetBlue direct
29 May - 02 Jun jetBlue direct
29 May - 08 Jun jetBlue direct
28 May - 01 Jun jetBlue direct
29 May - 01 Jun jetBlue direct

Also check the deals for one-way flights from Washington to San Juan in May.

Powered by

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.