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One way
Washington to San Juan 🇵🇷
$318
- Departs
- Fri, Dec 18
- Return
- —
- Stops
- 1 stop
- Airline
- Frontier Airlines
- Duration
- 5h 29m
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Other dates on this route
Cheapest round-trip fare by departure day Cheap Average Pricey
November 2026
Work-hours calculator
This flight to San Juan costs you 21h 12m of work.
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Prices come from fares travellers found in the last few days and can change at any time. Last updated Fri, 23 Oct 2026 06:59:53 GMT.
