Flights from Seattle to London

Cheapest flights from Seattle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 31 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$641 Roundtrip, found 2 days ago

$641

Roundtrip

found 2 days ago

Select Virgin Atlantic flight, departing Sun, Aug 31 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $641 found 2 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$654 Roundtrip, found 2 days ago

$654

Roundtrip

found 2 days ago

Select United flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $654 found 2 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$664 Roundtrip, found 2 days ago

$664

Roundtrip

found 2 days ago

Select Icelandair flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $664 found 2 days ago

Mon, Sep 1 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$667 Roundtrip, found 2 days ago

$667

Roundtrip

found 2 days ago

Select Delta flight, departing Mon, Sep 1 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $667 found 2 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$671 Roundtrip, found 2 days ago

$671

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $671 found 2 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$687 Roundtrip, found 2 days ago

$687

Roundtrip

found 2 days ago

Select Virgin Atlantic flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $687 found 2 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$691 Roundtrip, found 2 days ago

$691

Roundtrip

found 2 days ago

Select British Airways flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $691 found 2 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$706 Roundtrip, found 2 days ago

$706

Roundtrip

found 2 days ago

Select Air Canada flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $706 found 2 days ago

Thu, Sep 4 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$710 Roundtrip, found 20 hours ago

$710

Roundtrip

found 20 hours ago

Select Lufthansa flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $710 found 20 hours ago

Thu, Sep 4 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$717 Roundtrip, found 20 hours ago

$717

Roundtrip

found 20 hours ago

Select Swiss International Air Lines flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $717 found 20 hours ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$719 Roundtrip, found 2 days ago

$719

Roundtrip

found 2 days ago

Select KLM flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $719 found 2 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$719 Roundtrip, found 2 days ago

$719

Roundtrip

found 2 days ago

Select Air France flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $719 found 2 days ago

Thu, Sep 4 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$732 Roundtrip, found 20 hours ago

$732

Roundtrip

found 20 hours ago

Select JetBlue Airways flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $732 found 20 hours ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LCY

London City

$738 Roundtrip, found 4 days ago

$738

Roundtrip

found 4 days ago

Select British Airways flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to London City, returning Tue, Sep 16, priced at $738 found 4 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$901 Roundtrip, found 2 days ago

$901

Roundtrip

found 2 days ago

Select Finnair flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $901 found 2 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$920 Roundtrip, found 2 days ago

$920

Roundtrip

found 2 days ago

Select Brussels Airlines flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $920 found 2 days ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$920 Roundtrip, found 2 days ago

$920

Roundtrip

found 2 days ago

Select Austrian Airlines flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $920 found 2 days ago

Thu, Sep 4 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$946 Roundtrip, found 20 hours ago

$946

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $946 found 20 hours ago

Tue, Sep 2 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$973 Roundtrip, found 2 days ago

$973

Roundtrip

found 2 days ago

Select Iberia flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $973 found 2 days ago

Thu, Sep 4 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$1,010 Roundtrip, found 20 hours ago

$1,010

Roundtrip

found 20 hours ago

Select Aer Lingus flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 16, priced at $1,010 found 20 hours ago