Cheapest return flights from Washington to San Juan in January from $115

Best time to book flights for Washington (IAD) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to San Juan (SJU) in January 2025 (see full year).

Return flights

13 Jan - 23 Jan Frontier Airlines
13 Jan - 30 Jan Frontier Airlines
13 Jan - 29 Jan Frontier Airlines
20 Jan - 23 Jan Frontier Airlines
27 Jan - 30 Jan Frontier Airlines
30 Jan - 05 Feb Frontier Airlines
23 Jan - 30 Jan Frontier Airlines
09 Jan - 15 Jan Frontier Airlines
23 Jan - 25 Jan Frontier Airlines
13 Jan - 15 Jan Frontier Airlines
27 Jan - 01 Feb Frontier Airlines
13 Jan - 22 Jan Frontier Airlines
31 Jan - 05 Feb Frontier Airlines
30 Jan - 02 Feb Frontier Airlines
28 Jan - 11 Feb United direct
29 Jan - 12 Feb United direct
21 Jan - 04 Feb United direct
30 Jan - 04 Feb United direct
13 Jan - 04 Feb Delta
27 Jan - 10 Feb United direct

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

Skyscanner

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.

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