Cheap Flights to San Juan Island

View ₩745,000 flight on Thu, Nov 27, 2025Opens in a new window

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How much is the cheapest flight to San Juan Island?

Prices were available within the past 7 days and start at ₩745,000 for one-way flights and ₩698,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Sep 18 - Wed, Sep 24
ICN
Seoul
SEA
Seattle
₩698,800 Roundtrip, found 4 hours ago
₩698,800
Roundtrip
found 4 hours ago
Select Hawaiian Airlines flight, departing Thu, Sep 18 from Seoul to Seattle, returning Wed, Sep 24, priced at ₩698,800 found 4 hours ago
United
Thu, Oct 30 - Fri, Nov 14
ICN
Seoul
SEA
Seattle
₩719,100 Roundtrip, found 2 hours ago
₩719,100
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Oct 30 from Seoul to Seattle, returning Fri, Nov 14, priced at ₩719,100 found 2 hours ago
Alaska Airlines
Fri, Oct 10 - Sat, Oct 18
ICN
Seoul
SEA
Seattle
₩748,900 Roundtrip, found 3 hours ago
₩748,900
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Fri, Oct 10 from Seoul to Seattle, returning Sat, Oct 18, priced at ₩748,900 found 3 hours ago
Delta
Sat, Sep 13 - Fri, Sep 26
ICN
Seoul
SEA
Seattle
₩822,700 Roundtrip, found 1 hour ago
₩822,700
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Sep 13 from Seoul to Seattle, returning Fri, Sep 26, priced at ₩822,700 found 1 hour ago
American Airlines
Wed, Sep 10 - Thu, Sep 18
ICN
Seoul
SEA
Seattle
₩826,000 Roundtrip, found 4 hours ago
₩826,000
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Sep 10 from Seoul to Seattle, returning Thu, Sep 18, priced at ₩826,000 found 4 hours ago

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

Frequently asked questions

How do I find cheap flights to San Juan Island that have flexible change policies?
At Expedia, we've been channeling our inner yoga master to bring you the most flexible fares available. Simply tick the "No change fee" box directly below the "Flexible change policies" filter to find your perfect flight to San Juan Island.
Which airlines fly to San Juan Island?
Dig out your passport, pack your bags and choose between these quality airlines that have flights into or near San Juan Island:

  • Alaska Airlines - 8,781 flights to or near San Juan Island 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 Island each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • United Airlines - 828 flights to or near San Juan Island each month, including 828 flights to Seattle - Tacoma Intl. Airport (SEA) per month.

How can I find cheap tickets to San Juan Island?
A great strategy for getting your hands on cheap airfares is to be flexible with your travel dates. Begin with searching for your flight to San Juan Island, then click on the "flexible dates" box to compare prices for nearby days. Another tip? Book ahead of time. For an idea of costs, ₩698,800 was the lowest price for a flight to San Juan Island in the last seven days.
How much is a flight to San Juan Island?
You could have locked in a return flight to San Juan Island from anywhere between ₩698,800 and ₩854,200 in the last seven days. For one-way journeys leaving from Seoul (ICN), the lowest amount paid during this period was ₩745,000.
What are the most popular airports to fly into in San Juan Island?
Start organizing your San Juan Island escape by reserving one of the 15,456 flights every month to Seattle - Tacoma Intl. Airport (SEA). This is the region's principal gateway.
When is the cheapest time to fly to San Juan Island?
Jetting off on a Tuesday, followed by a Monday, is usually the best way to get the cheapest flight. Stay away from the weekends if you can, because Saturday is typically the most expensive day. Spend the dollars you saved having a ball in San Juan Island instead!
How much is a plane ticket to San Juan Island?
In the last seven days, fares to San Juan Island fluctuated from ₩698,800 to ₩854,200.
What months are the cheapest to book a flight to San Juan Island?
February is the best month to get your hands on a fantastic deal to San Juan Island. Bear in mind that the most expensive time to make a purchase in the USA isn't during the height of summer, but the month of December.
Flights to San Juan Island information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
₩262,500

Trending flights to San Juan Island

Prices were available within the past 7 days and start at ₩745,000 for one-way flights and ₩698,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Sep 18 - Wed, Sep 24
ICN
Seoul
SEA
Seattle
₩698,800 Roundtrip, found 4 hours ago
₩698,800
Roundtrip
found 4 hours ago
Select Hawaiian Airlines flight, departing Thu, Sep 18 from Seoul to Seattle, returning Wed, Sep 24, priced at ₩698,800 found 4 hours ago
*Available to Expedia members.