Cheap flights from London to San Juan Islands

View AU$246 flight on Wed, 10 Sep. 2025Opens in a new window

Popular airlines from London to San Juan Islands

  • Jetstar

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  • Qantas Airways

    Qantas Airways

  • Virgin Australia

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  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from London (YXU) to San Juan Islands (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 11 Sep. - Sat, 20 Sep.
YHM
Hamilton
SEA
Seattle
AU$513 Return, found 4 days ago
AU$513
Return
found 4 days ago
Select Air Canada flight, departing Thu, 11 Sep. from Hamilton to Seattle, returning Sat, 20 Sep., priced at AU$513 found 4 days ago
Air Canada
Sun, 31 Aug. - Sun, 7 Sep.
YXU
London
SEA
Seattle
AU$547 Return, found 6 days ago
AU$547
Return
found 6 days ago
Select Air Canada flight, departing Sun, 31 Aug. from London to Seattle, returning Sun, 7 Sep., priced at AU$547 found 6 days ago
Air Canada
Sun, 31 Aug. - Sun, 7 Sep.
YXU
London
SEA
Seattle
AU$576 Return, found 6 days ago
AU$576
Return
found 6 days ago
Select Air Canada flight, departing Sun, 31 Aug. from London to Seattle, returning Sun, 7 Sep., priced at AU$576 found 6 days ago
Air Canada
Sun, 31 Aug. - Sun, 7 Sep.
YXU
London
SEA
Seattle
AU$583 Return, found 6 days ago
AU$583
Return
found 6 days ago
Select Air Canada flight, departing Sun, 31 Aug. from London to Seattle, returning Sun, 7 Sep., priced at AU$583 found 6 days ago
WestJet
Sat, 6 Sep. - Sun, 7 Sep.
YHM
Hamilton
SEA
Seattle
AU$608 Return, found 3 days ago
AU$608
Return
found 3 days ago
Select WestJet flight, departing Sat, 6 Sep. from Hamilton to Seattle, returning Sun, 7 Sep., priced at AU$608 found 3 days ago
United
Sun, 31 Aug. - Sun, 7 Sep.
YXU
London
SEA
Seattle
AU$683 Return, found 6 days ago
AU$683
Return
found 6 days ago
Select United flight, departing Sun, 31 Aug. from London to Seattle, returning Sun, 7 Sep., priced at AU$683 found 6 days ago
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