Cheapest return flights from Washington (IAD) to San Juan (SJU), January

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
30 Jan 06 Feb United
Direct Flight
23 Jan 29 Jan United
20 Jan 25 Jan United
22 Jan 31 Jan United
28 Jan 31 Jan Delta
16 Jan 24 Jan Delta
16 Jan 24 Jan United
Direct Flight
15 Jan 24 Jan Delta
15 Jan 24 Jan United
Direct Flight
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deals for one-way flights from Washington to San Juan in January.

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Updated Jun 18, 2026.

About these fares

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