Cheap flights from Seattle to San Juan

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How to find the cheapest flight from
Seattle (SEA) to San Juan (SJU)

What is the cheapest day to fly round-trip from Seattle to San Juan?

Flights from Seattle to San Juan are generally found to be more expensive on Wednesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Juan.

How far in advance should I book a flight from Seattle to San Juan?

To save up to 20% on this flight, we recommend booking at least 48 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to San Juan from C$ 514 1-2 weeks out and tickets from C$ 563 for flights departing within the next 72 hours.

When is the cheapest time to fly from Seattle to San Juan (SEA - PR1)?

One of the essential ways to save on airfare from Seattle to San Juan is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.

Related info for your journey

Useful info, stats and facts about Seattle to San Juan flights.

Flight FAQs

From Seattle to San Juan

Is Seattle weather warmer or cooler than San Juan?

Our data indicates that the weather will be 32 °C on average in the month of June. The temperature in San Juan is typically hotter than in Seattle. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

Destination information for San Juan

Things to know before you go. Useful info for your trip from Seattle to San Juan
Today's exchange rate
C$ 1 = $0.76
Average temperature for October in San Juan
31.0 °C
Avg rainfall for October in San Juan
147.0 mm

Airports servicing Seattle

Airports servicing San Juan

San Juan Isla Grande (SIG)
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