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.

Wed, Aug 20 - Mon, Sep 15

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$690 Roundtrip, found 5 days ago

$690

Roundtrip

found 5 days ago

Select Virgin Atlantic flight, departing Wed, Aug 20 from Seattle - Tacoma Intl. to Heathrow, returning Mon, Sep 15, priced at $690 found 5 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$696 Roundtrip, found 5 days ago

$696

Roundtrip

found 5 days ago

Select United flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $696 found 5 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$696 Roundtrip, found 5 days ago

$696

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $696 found 5 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$704 Roundtrip, found 5 days ago

$704

Roundtrip

found 5 days ago

Select British Airways flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $704 found 5 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$704 Roundtrip, found 5 days ago

$704

Roundtrip

found 5 days ago

Select Air Canada flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $704 found 5 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$708 Roundtrip, found 5 days ago

$708

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $708 found 5 days ago

Fri, Aug 22 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$709 Roundtrip, found 1 day ago

$709

Roundtrip

found 1 day ago

Select Icelandair flight, departing Fri, Aug 22 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 9, priced at $709 found 1 day ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$717 Roundtrip, found 5 days ago

$717

Roundtrip

found 5 days ago

Select Lufthansa flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $717 found 5 days ago

Wed, Aug 20 - Mon, Sep 15

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$742 Roundtrip, found 5 days ago

$742

Roundtrip

found 5 days ago

Select KLM flight, departing Wed, Aug 20 from Seattle - Tacoma Intl. to Heathrow, returning Mon, Sep 15, priced at $742 found 5 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$748 Roundtrip, found 5 days ago

$748

Roundtrip

found 5 days ago

Select Air France flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $748 found 5 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$748 Roundtrip, found 5 days ago

$748

Roundtrip

found 5 days ago

Select Swiss International Air Lines flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $748 found 5 days ago

Fri, Aug 22 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$824 Roundtrip, found 1 day ago

$824

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Fri, Aug 22 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 9, priced at $824 found 1 day ago

Mon, Jul 21 - Wed, Aug 6

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$842 Roundtrip, found 4 days ago

$842

Roundtrip

found 4 days ago

Select Turkish Airlines flight, departing Mon, Jul 21 from Seattle - Tacoma Intl. to Heathrow, returning Wed, Aug 6, priced at $842 found 4 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$879 Roundtrip, found 5 days ago

$879

Roundtrip

found 5 days ago

Select Aer Lingus flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $879 found 5 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$936 Roundtrip, found 5 days ago

$936

Roundtrip

found 5 days ago

Select Iberia flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $936 found 5 days ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$948 Roundtrip, found 5 days ago

$948

Roundtrip

found 5 days ago

Select Finnair flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $948 found 5 days ago

Fri, Aug 22 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$968 Roundtrip, found 1 day ago

$968

Roundtrip

found 1 day ago

Select Austrian Airlines flight, departing Fri, Aug 22 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 9, priced at $968 found 1 day ago

Mon, Sep 29 - Thu, Oct 16

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$1,084 Roundtrip, found 5 days ago

$1,084

Roundtrip

found 5 days ago

Select WestJet flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 16, priced at $1,084 found 5 days ago

Tue, Jun 3 - Tue, Jun 17

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$1,194 Roundtrip, found 5 days ago

$1,194

Roundtrip

found 5 days ago

Select Brussels Airlines flight, departing Tue, Jun 3 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Jun 17, priced at $1,194 found 5 days ago

Fri, Aug 22 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

LHR

Heathrow

$1,282 Roundtrip, found 1 day ago

$1,282

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Aug 22 from Seattle - Tacoma Intl. to Heathrow, returning Tue, Sep 9, priced at $1,282 found 1 day ago