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Cheap Flights from Seattle to Londonderry (SEA-BFS)
Prices were available within the past 7 days and start at $443 for one-way flights and $573 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
![British Airways](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif)
Wed, Sep 25 - Wed, Oct 9
SEA
Seattle
BHD
Belfast
$573 Roundtrip, found 2 hours ago
$573
Roundtrip
found 2 hours ago
![Iberia](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif)
Wed, Sep 25 - Wed, Oct 9
SEA
Seattle
BHD
Belfast
$573 Roundtrip, found 2 hours ago
$573
Roundtrip
found 2 hours ago
![Iberia](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif)
Tue, Nov 19 - Tue, Nov 26
SEA
Seattle
BHD
Belfast
$575 Roundtrip, found 2 days ago
$575
Roundtrip
found 2 days ago
![British Airways](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif)
Wed, Apr 30 - Tue, May 6
SEA
Seattle
BHD
Belfast
$576 Roundtrip, found 6 days ago
$576
Roundtrip
found 6 days ago
![British Airways](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif)
Tue, Sep 24 - Mon, Oct 14
SEA
Seattle
BHD
Belfast
$578 Roundtrip, found 1 hour ago
$578
Roundtrip
found 1 hour ago
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Mon, Sep 30 - Wed, Oct 23
SEA
Seattle
BHD
Belfast
$588 Roundtrip, found 8 hours ago
$588
Roundtrip
found 8 hours ago
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