Cheapest one-way flights from Washington to San Juan in December from $113

AirHint found the following cheapest one-way flights from Washington (DCA) to San Juan (SJU) in December 2025 (see full year).

One-Way flights

31 Dec American Airlines
11 Dec American Airlines
12 Dec American Airlines
13 Dec American Airlines
14 Dec American Airlines
22 Dec jetBlue
18 Dec jetBlue
14 Dec jetBlue direct
30 Dec jetBlue
30 Dec jetBlue direct

Also check the deals for return flights from Washington to San Juan in December.

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.