Cheapest return flights from Washington to San Juan in December from 213€
AirHint found the following cheapest return flights from Washington (DCA) to San Juan (SJU)
in December 2025 (see full year ).
Return flights
02 Dec
- 06 Dec
Delta
213 €
04 Dec
- 09 Dec
Southwest Airlines
310 €
05 Dec
- 09 Dec
Southwest Airlines
310 €
17 Dec
- 17 Dec
United
516 €
18 Dec
- 24 Dec
Southwest Airlines
529 €
24 Dec
- 06 Jan
Southwest Airlines
592 €
24 Dec
- 08 Jan
United
602 €
24 Dec
- 28 Dec
Southwest Airlines
608 €
24 Dec
- 07 Jan
Southwest Airlines
639 €
17 Dec
- 02 Jan
Southwest Airlines
639 €
23 Dec
- 06 Jan
Southwest Airlines
693 €
19 Dec
- 27 Dec
Southwest Airlines
701 €
20 Dec
- 02 Jan
Southwest Airlines
741 €
28 Dec
- 04 Jan
Southwest Airlines
772 €
23 Dec
- 03 Jan
Southwest Airlines
814 €
18 Dec
- 04 Jan
Southwest Airlines
820 €
19 Dec
- 04 Jan
Southwest Airlines
854 €
Also check the deals for one-way flights from Washington to San Juan in December .
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.
Find us on social media
Feel free to contact us with any feedback or request another flight research.
Find us on social media