Cheap Flights to San Juan Islands

View ₩560,900 flight on Thu, Nov 6, 2025Opens in a new window

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How much is the cheapest flight to San Juan Islands?

Prices were available within the past 7 days and start at ₩560,900 for one-way flights and ₩608,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Fri, Oct 31 - Sun, Nov 2
ICN
Seoul
SEA
Seattle
₩608,000 Roundtrip, just found
₩608,000
Roundtrip
just found
Select Hawaiian Airlines flight, departing Fri, Oct 31 from Seoul to Seattle, returning Sun, Nov 2, priced at ₩608,000 just found
Alaska Airlines
Fri, Oct 31 - Mon, Nov 10
ICN
Seoul
SEA
Seattle
₩632,400 Roundtrip, found 17 hours ago
₩632,400
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Fri, Oct 31 from Seoul to Seattle, returning Mon, Nov 10, priced at ₩632,400 found 17 hours ago
United
Fri, Oct 31 - Sun, Nov 2
ICN
Seoul
SEA
Seattle
₩637,300 Roundtrip, just found
₩637,300
Roundtrip
just found
Select United flight, departing Fri, Oct 31 from Seoul to Seattle, returning Sun, Nov 2, priced at ₩637,300 just found
Delta
Fri, Oct 31 - Sun, Nov 2
ICN
Seoul
SEA
Seattle
₩679,200 Roundtrip, just found
₩679,200
Roundtrip
just found
Select Delta flight, departing Fri, Oct 31 from Seoul to Seattle, returning Sun, Nov 2, priced at ₩679,200 just found
Air Canada
Thu, Nov 6 - Sat, Nov 15
ICN
Seoul
SEA
Seattle
₩773,000 Roundtrip, just found
₩773,000
Roundtrip
just found
Select Air Canada flight, departing Thu, Nov 6 from Seoul to Seattle, returning Sat, Nov 15, priced at ₩773,000 just found

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 ₩608,000.
How much is a flight to San Juan Islands?
You could have nabbed a round-trip ticket to San Juan Islands from anywhere between ₩608,000 and ₩773,000 in the last seven days. For one-way journeys leaving from Seoul (ICN), the lowest amount paid during this time was ₩560,900.
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 ₩608,000 and ₩773,000. 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
San Juan Islands
Destination airport IATA code
SEA

Trending flights to San Juan Islands

Prices were available within the past 7 days and start at ₩560,900 for one-way flights and ₩608,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Fri, Oct 31 - Sun, Nov 2
ICN
Seoul
SEA
Seattle
₩608,000 Roundtrip, just found
₩608,000
Roundtrip
just found
Select Hawaiian Airlines flight, departing Fri, Oct 31 from Seoul to Seattle, returning Sun, Nov 2, priced at ₩608,000 just found

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