Cheap Flights to San Juan Island from HK$2,678

View HK$2,678 flight on Wed, 17 Sept 2025Opens in a new window

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Cheap round-trip flights to San Juan Island

Prices were available within the past 7 days and start at HK$2,678 for one-way flights and HK$4,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Fri, 12 Sept - Fri, 26 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$4,400 Return, found 2 hours ago
HK$4,400
Return
found 2 hours ago
Select Philippine Airlines flight, departing Fri, 12 Sept from Hong Kong SAR to Seattle, returning Fri, 26 Sept, priced at HK$4,400 found 2 hours ago
Air Canada
Fri, 7 Nov - Fri, 14 Nov
HKG
Hong Kong SAR
SEA
Seattle
HK$5,020 Return, found 2 hours ago
HK$5,020
Return
found 2 hours ago
Select Air Canada flight, departing Fri, 7 Nov from Hong Kong SAR to Seattle, returning Fri, 14 Nov, priced at HK$5,020 found 2 hours ago
Asiana Airlines
Sun, 15 Mar - Sun, 29 Mar
HKG
Hong Kong SAR
SEA
Seattle
HK$5,205 Return, found 4 hours ago
HK$5,205
Return
found 4 hours ago
Select Asiana Airlines flight, departing Sun, 15 Mar from Hong Kong SAR to Seattle, returning Sun, 29 Mar, priced at HK$5,205 found 4 hours ago
United
Tue, 23 Sept - Wed, 24 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$5,316 Return, found 9 hours ago
HK$5,316
Return
found 9 hours ago
Select United flight, departing Tue, 23 Sept from Hong Kong SAR to Seattle, returning Wed, 24 Sept, priced at HK$5,316 found 9 hours ago
China Airlines
Sat, 18 Oct - Fri, 31 Oct
HKG
Hong Kong SAR
SEA
Seattle
HK$5,346 Return, found 22 hours ago
HK$5,346
Return
found 22 hours ago
Select China Airlines flight, departing Sat, 18 Oct from Hong Kong SAR to Seattle, returning Fri, 31 Oct, priced at HK$5,346 found 22 hours ago

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, HK$4,400 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 HK$4,400 and HK$5,346 in the last seven days. For one-way journeys leaving from Hong Kong SAR (HKG), the lowest amount paid during this period was HK$2,678.
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 HK$4,400 to HK$5,346.
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
Return price
HK$3,633

Trending flights to San Juan Island

Prices were available within the past 7 days and start at HK$2,678 for one-way flights and HK$4,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Fri, 12 Sept - Fri, 26 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$4,400 Return, found 2 hours ago
HK$4,400
Return
found 2 hours ago
Select Philippine Airlines flight, departing Fri, 12 Sept from Hong Kong SAR to Seattle, returning Fri, 26 Sept, priced at HK$4,400 found 2 hours ago
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