Cheap flights from Seattle, WA to San Juan, United States
Flights starting at £110. Choose between Frontier Airlines, Spirit Airlines, or Alaska Airlines to find the best price.
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Tips to know when travelling to San Juan
Cheapest one-way trip | £147 |
---|---|
Cheapest round-trip | £241 |
Average round-trip | £276 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to San Juan. Book your trip to arrive at Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, Alaska Airlines, United Airlines, and JetBlue Airways. Seattle and San Juan have 326 direct flights per week.
Check-in for a flight from Seattle to San Juan
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in San Juan
Frequently asked questions
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