Cheap Flights to San Juan Island from HK$2,812

View HK$2,812 flight on Wed, 5 Nov 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$2,812 for one-way flights and HK$4,583 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Wed, 21 Jan - Thu, 29 Jan
HKG
Hong Kong SAR
SEA
Seattle
HK$4,583 Return, just found
HK$4,583
Return
just found
Select Philippine Airlines flight, departing Wed, 21 Jan from Hong Kong SAR to Seattle, returning Thu, 29 Jan, priced at HK$4,583 just found
Air Canada
Mon, 11 May - Sat, 16 May
HKG
Hong Kong SAR
SEA
Seattle
HK$4,632 Return, found 9 hours ago
HK$4,632
Return
found 9 hours ago
Select Air Canada flight, departing Mon, 11 May from Hong Kong SAR to Seattle, returning Sat, 16 May, priced at HK$4,632 found 9 hours ago
United
Sun, 16 Nov - Mon, 17 Nov
HKG
Hong Kong SAR
SEA
Seattle
HK$5,001 Return, found 15 hours ago
HK$5,001
Return
found 15 hours ago
Select United flight, departing Sun, 16 Nov from Hong Kong SAR to Seattle, returning Mon, 17 Nov, priced at HK$5,001 found 15 hours ago
Hainan Airlines
Fri, 26 Dec - Tue, 6 Jan
HKG
Hong Kong SAR
SEA
Seattle
HK$5,009 Return, found 2 days ago
HK$5,009
Return
found 2 days ago
Select Hainan Airlines flight, departing Fri, 26 Dec from Hong Kong SAR to Seattle, returning Tue, 6 Jan, priced at HK$5,009 found 2 days ago
China Airlines
Tue, 4 Nov - Tue, 11 Nov
HKG
Hong Kong SAR
SEA
Seattle
HK$5,115 Return, found 9 hours ago
HK$5,115
Return
found 9 hours ago
Select China Airlines flight, departing Tue, 4 Nov from Hong Kong SAR to Seattle, returning Tue, 11 Nov, priced at HK$5,115 found 9 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$4,583 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$4,583 and HK$5,115 in the last seven days. For one-way journeys leaving from Hong Kong SAR (HKG), the lowest amount paid during this period was HK$2,812.
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$4,583 to HK$5,115.
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.

Travel information

Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Return price
HK$1,380

Trending flights to San Juan Island

Prices were available within the past 7 days and start at HK$2,812 for one-way flights and HK$4,583 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Wed, 21 Jan - Thu, 29 Jan
HKG
Hong Kong SAR
SEA
Seattle
HK$4,583 Return, just found
HK$4,583
Return
just found
Select Philippine Airlines flight, departing Wed, 21 Jan from Hong Kong SAR to Seattle, returning Thu, 29 Jan, priced at HK$4,583 just found

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