Washington DC to San Juan with Frontier from $286.
Tickets from $286 both ways. Checked baggage is not included in the base fare.
✈️ Airport Guides
📍 Washington Dulles International Airport (IAD) — Airport — Terminals, Transport & Tips
📍 Baltimore-Washington International Thurgood Marshall Airport (BWI) — The Complete Master — Terminals, Transport & Tips
📍 San Juan Luis Muñoz Marín International Airport (SJU) — The Complete Master — Terminals, Transport & Tips
Available Dates
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AiFly automatic review on 17 Sep 2026 at 01:02 UTC found that current prices for every advertised date are over 30% above the published €263 — booking links are no longer accurate.
Prices verified at time of publication. Always confirm on Skyscanner before booking.
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