Cheapest one-way flights from San Juan to Washington in February from $39

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

One-Way flights

20 Feb Frontier Airlines direct
13 Feb Frontier Airlines direct
25 Feb Frontier Airlines
12 Feb Frontier Airlines
26 Feb Frontier Airlines
19 Feb Frontier Airlines
06 Feb Spirit Airlines
18 Feb Spirit Airlines
26 Feb United direct
25 Feb United direct

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