Cheap Flights to San Juan Islands from HK$464

View HK$464 flight on Thu, 13 Nov 2025Opens in a new window

Popular airlines

  • HK Express

    HK Express

  • Cathay Pacific

    Cathay Pacific

  • Peach

    Peach

  • British Airways

    British Airways

  • AirAsia

    AirAsia

  • Thai AirAsia

    Thai AirAsia

  • Hong Kong Airlines

    Hong Kong Airlines

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to San Juan Islands

Prices were available within the past 7 days and start at HK$464 for one-way flights and HK$918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 12 Nov - Wed, 19 Nov
SFO
San Francisco
SEA
Seattle
HK$918 Return, found 4 days ago
HK$918
Return
found 4 days ago
Select Delta flight, departing Wed, 12 Nov from San Francisco to Seattle, returning Wed, 19 Nov, priced at HK$918 found 4 days ago
Delta
Fri, 28 Nov - Wed, 3 Dec
SFO
San Francisco
SEA
Seattle
HK$993 Return, found 1 day ago
HK$993
Return
found 1 day ago
Select Delta flight, departing Fri, 28 Nov from San Francisco to Seattle, returning Wed, 3 Dec, priced at HK$993 found 1 day ago
United
Wed, 12 Nov - Wed, 19 Nov
SFO
San Francisco
SEA
Seattle
HK$1,197 Return, found 4 days ago
HK$1,197
Return
found 4 days ago
Select United flight, departing Wed, 12 Nov from San Francisco to Seattle, returning Wed, 19 Nov, priced at HK$1,197 found 4 days ago
Alaska Airlines
Mon, 24 Nov - Wed, 3 Dec
SFO
San Francisco
SEA
Seattle
HK$1,305 Return, found 1 day ago
HK$1,305
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 24 Nov from San Francisco to Seattle, returning Wed, 3 Dec, priced at HK$1,305 found 1 day ago
American Airlines
Thu, 8 Jan - Thu, 15 Jan
SFO
San Francisco
SEA
Seattle
HK$1,435 Return, found 3 days ago
HK$1,435
Return
found 3 days ago
Select American Airlines flight, departing Thu, 8 Jan from San Francisco to Seattle, returning Thu, 15 Jan, priced at HK$1,435 found 3 days ago

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 HK$918.
How much is a flight to San Juan Islands?
You could have nabbed a round-trip ticket to San Juan Islands from anywhere between HK$918 and HK$4,583 in the last seven days. For one-way journeys leaving from San Francisco (SFO), the lowest amount paid during this time was HK$464.
What are the most popular airports to fly into in San Juan Islands?
Start organising 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 HK$918 and HK$4,583. 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.

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 Islands

Prices were available within the past 7 days and start at HK$464 for one-way flights and HK$918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Thu, 13 Nov - Fri, 28 Nov
HKG
Hong Kong SAR
SEA
Seattle
HK$4,583 Return, found 2 hours ago
HK$4,583
Return
found 2 hours ago
Select Philippine Airlines flight, departing Thu, 13 Nov from Hong Kong SAR to Seattle, returning Fri, 28 Nov, priced at HK$4,583 found 2 hours ago

Explore a world of travel with Expedia

*Available to Expedia members.