Cheapest one-way flights from Washington to San Juan in February from 45€

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

One-Way flights

23 Feb Frontier Airlines direct
14 Feb Frontier Airlines
05 Feb Frontier Airlines
19 Feb Frontier Airlines
14 Feb Frontier Airlines direct
20 Feb Frontier Airlines direct
22 Feb Frontier Airlines
04 Feb United direct
25 Feb United direct
22 Feb United direct

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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