Washington DC to San Juan, Puerto Rico for only $135 roundtrip

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Cheap flights from Washington DC to San Juan, Puerto Rico for only $135 roundtrip with Delta Air Lines.

DEPART:
Washington DC, USA

ARRIVE:
San Juan, Puerto Rico

RETURN:
Washington DC, USA

DATES:
Availability from December 2025 to February 2026 (excluding Christmas/New Year)

Example dates:
8th-16th Dec
9th-16th Dec
9th-18th Dec
10th-17th Dec
10th-19th Dec
5th-13th Jan
6th-13th Jan
7th-15th Jan
11th-20th Jan
12th-20th Jan
12th-21st Jan
13th-20th Jan
13th-22nd Jan
14th-21st Jan
18th-27th Jan
19th-27th Jan
19th-28th Jan
20th-27th Jan
20th-28th Jan
21st-28th Jan
21st-29th Jan
21st-30th Jan
25th Jan – 3rd Feb
26th Jan – 3rd Feb
26th Jan – 4th Feb
27th Jan – 3rd Feb
27th Jan – 4th Feb
27th Jan – 5th Feb
28th Jan – 4th Feb
28th Jan – 6th Feb
2nd-10th Feb
3rd-11th Feb
4th-11th Feb
4th-13th Feb

and more…

STOPS:
Detroit/Atlanta

AIRLINES:
Delta Air Lines