A lighthouse on a rocky coastline with the ocean in the foreground.

Cheap Flights to San Juan Islands

View ₩739,800 flight on Thu, Oct 1, 2026Opens in a new window

Popular airlines

  • Asiana Airlines

  • T'way Air with baggage

  • Korean Air

  • Peach

  • HK Express

  • JIN AIR

  • AirAsia Philippines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to San Juan Islands?

Prices were available within the past 7 days and start at ₩739,800 for one-way flights and ₩1,186,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Air Canada
Hainan Airlines
United
Delta

Frequently asked questions

How do I find cheap flights to San Juan Islands that have flexible change policies?
At Expedia, we've been channeling our inner Olympic gymnast to help you locate the most flexible airfares around. Simply mark the "No change fee" box under the "Flexible change policies" heading to find your dream flight to San Juan Islands.
Which airlines fly to San Juan Islands?
Pack your bags and choose between these major airlines that operate flights in or near San Juan Islands:
  • Alaska Airlines - 8,781 flights to or near San Juan Islands each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta Air Lines - 4,186 flights to or near San Juan Islands each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • United Airlines - 828 flights to or near San Juan Islands each month, including 828 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
How can I find cheap tickets to San Juan Islands?
Book well ahead of time, consider alternative airports, use frequent flyer miles — you're not short of ways! One more is to make use of Expedia's "flexible dates" feature. Search for your San Juan Islands flight, then check out the prices for nearby dates. In the last seven days, the best price for a flight to San Juan Islands was ₩1,186,600.
How much is a flight to San Juan Islands?
You could have nabbed a round-trip ticket to San Juan Islands from anywhere between ₩1,186,600 and ₩1,338,100 in the last seven days. For one-way journeys leaving from Seoul (ICN), the lowest amount paid during this time was ₩739,800.
What are the most popular airports to fly into in San Juan Islands?
Start organizing your San Juan Islands escape by securing a seat on one of the 15,456 flights a month to Seattle - Tacoma Intl. Airport (SEA). This is the region's primary gateway.
When is the cheapest time to fly to San Juan Islands?
Depart for San Juan Islands early in the week and you'll usually be rewarded with cheaper fares. Tuesday is generally the cheapest day to jet off, followed closely by Monday. If you'd like to avoid the priciest flights, give Saturdays a wide berth.
How much is a plane ticket to San Juan Islands?
In the last seven days, tickets cost between ₩1,186,600 and ₩1,338,100. Have a look at our fantastic deals to San Juan Islands, pick your favorite and get ready for your next fun vacation!
What months are the cheapest to book a flight to San Juan Islands?
The ideal month to score a fabulous deal to San Juan Islands is February, whereas prices are higher in December. Avoid this time if you're watching your pennies.

Book with confidence

Searching for cheap flights to San Juan Islands? No travel company presents more choices than Expedia if you're looking to compare flights to San Juan Islands. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Washington. Expedia provides the cheapest flights to many destinations in Washington and you may find even greater savings if you combine your flight with a hotel stay in San Juan Islands.

Travel information

Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
₩886,300

Trending flights to San Juan Islands

Prices were available within the past 7 days and start at ₩739,800 for one-way flights and ₩1,186,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines

Explore a world of travel with Expedia

*Available to Expedia members.