Cheapest one-way flights from Washington to San Juan in February from $75

AirHint found the following cheapest one-way flights from Washington (IAD) to San Juan (SJU) in February 2026 (see full year).

One-Way flights

09 Feb Frontier Airlines direct
06 Feb Frontier Airlines direct
28 Feb Frontier Airlines direct
20 Feb Frontier Airlines direct
19 Feb Frontier Airlines
08 Feb Frontier Airlines
16 Feb Frontier Airlines direct
07 Feb Delta
07 Feb United direct
18 Feb Alaska Airlines

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

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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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