Cheap Flights to San Juan Island , WA from CA $170

View CA $170 flight on Sun, Oct. 5, 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 CA $170 for one-way flights and CA $275 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Oct. 8 - Wed, Oct. 15
YYZ
Toronto
SEA
Seattle
CA $318 Roundtrip, found 2 hours ago
CA $318
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Wed, Oct. 8 from Toronto to Seattle, returning Wed, Oct. 15, priced at CA $318 found 2 hours ago
Alaska Airlines
Wed, Oct. 8 - Wed, Oct. 15
YYZ
Toronto
SEA
Seattle
CA $318 Roundtrip, found 2 hours ago
CA $318
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Oct. 8 from Toronto to Seattle, returning Wed, Oct. 15, priced at CA $318 found 2 hours ago
United
Tue, Dec. 16 - Wed, Dec. 17
YYZ
Toronto
SEA
Seattle
CA $368 Roundtrip, found 10 hours ago
CA $368
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Dec. 16 from Toronto to Seattle, returning Wed, Dec. 17, priced at CA $368 found 10 hours ago
WestJet
Wed, Oct. 8 - Wed, Oct. 15
YYZ
Toronto
SEA
Seattle
CA $368 Roundtrip, found 2 hours ago
CA $368
Roundtrip
found 2 hours ago
Select WestJet flight, departing Wed, Oct. 8 from Toronto to Seattle, returning Wed, Oct. 15, priced at CA $368 found 2 hours ago
Porter Airlines
Sat, Oct. 4 - Mon, Oct. 6
YYZ
Toronto
PAE
Seattle
CA $656 Roundtrip, found 2 days ago
CA $656
Roundtrip
found 2 days ago
Select Porter Airlines flight, departing Sat, Oct. 4 from Toronto to Seattle, returning Mon, Oct. 6, priced at CA $656 found 2 days ago

Expedia.ca gives you the best tools to secure great deals on flights to San Juan Island. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to San Juan Island. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to San Juan Island.

Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your San Juan Island flights with full confidence knowing that you've found the best deal online.

Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to San Juan Island.

Looking to save even more? Get additional savings by bundling your San Juan Island flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your San Juan Island trip!

Frequently asked questions

How do I find cheap flights to San Juan Island that have flexible change policies?
By using our handy "No change fee" filter, that's how. Simply type in your origin, destination and travel dates, click "Search," then tick the checkbox underneath the "Flexible change policies" heading (it's on the top left of your screen). Expedia makes it easy to find cheap, flexible flights to San Juan Island.
Which airlines fly to San Juan Island?
When you're ready to book your flight to or near San Juan Island, these quality airlines are waiting to welcome you on board:

  • Alaska Airlines - 7,593 flights to or near San Juan Island each month, including 7,593 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta - 3,694 flights to or near San Juan Island each month, including 3,694 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • United Airlines - 594 flights to or near San Juan Island each month, including 594 flights to Seattle - Tacoma Intl. Airport (SEA) per month.

How can I find cheap tickets to San Juan Island?
You'll always walk away with a fabulous deal with Expedia, but our "flexible dates" feature makes it that much easier. Enter your preferred travel date, then tick the flexible dates box above to compare prices for nearby days. CA $275 was the best price for a flight to San Juan Island in the last seven days.
How much is a flight to San Juan Island?
In the last seven days, round-trip airfares to San Juan Island sold for as little as CA $275 and peaked at CA $656. For one-way fares taking off from Toronto (YYZ), the lowest amount paid during this same period was CA $170.
What are the most popular airports to fly into in San Juan Island?
Start organizing your San Juan Island escape by securing one of the 13,152 flights each month to Seattle - Tacoma Intl. Airport (SEA). This is the region's main gateway.
When is the cheapest time to fly to San Juan Island?
If you'd prefer to spend your vacation money on having fun in San Juan Island rather than on your journey there, leave early in the week. The most economical day to travel is usually Tuesday, with Monday running a close second. With many folks travelling on weekends, Saturday typically has the highest fares.
How much is a plane ticket to San Juan Island?
Fares ranged anywhere from CA $275 to CA $656 over the last seven days. When you're ready to book, we'll be ready to help you lock in an awesome deal to San Juan Island.
What is the best time to go to San Juan Island?
Just about anytime is an excellent time to head to San Juan Island, with wonderful cities like False Bay for you to discover. If you don't mind a crowd, April, May and July are the most popular months for newcomers. The summer season begins June 20 here. If you're travelling around this time, pack some sunblock and a wide-brimmed hat. Summer temperatures range between 14ºC and 17ºC in False Bay.
What months are the cheapest to book a flight to San Juan Island?
February is the most affordable month to book a seat for your San Juan Island vacation. Tickets are at a premium throughout the busy month of December, so steer clear of this time if possible.
Flights to San Juan Island information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
CA $274

Trending flights to San Juan Island

Prices were available within the past 7 days and start at CA $170 for one-way flights and CA $275 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, Oct. 5 - Wed, Oct. 8
YYC
Calgary
SEA
Seattle
CA $275 Roundtrip, found 1 hour ago
CA $275
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Sun, Oct. 5 from Calgary to Seattle, returning Wed, Oct. 8, priced at CA $275 found 1 hour ago
*Available to Expedia members.