$929 Cheap KLM flights Seattle (SEA) to London (LCY)

$929 Cheap KLM flights Seattle (SEA) to London (LCY)

Prices were available within the past 7 days and start at $929 for one-way flights and $690 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 3 - Fri, May 15

SEA

Seattle

LCY

London

$690 Roundtrip, found 19 hours ago

$690

Roundtrip

found 19 hours ago

Select KLM flight, departing Sun, May 3 from Seattle to London, returning Fri, May 15, priced at $690 found 19 hours ago

Sun, May 3 - Fri, May 15

SEA

Seattle

LCY

London

$716 Roundtrip, found 19 hours ago

$716

Roundtrip

found 19 hours ago

Select KLM flight, departing Sun, May 3 from Seattle to London, returning Fri, May 15, priced at $716 found 19 hours ago

Sun, May 3 - Fri, May 15

SEA

Seattle

LCY

London

$916 Roundtrip, found 19 hours ago

$916

Roundtrip

found 19 hours ago

Select KLM flight, departing Sun, May 3 from Seattle to London, returning Fri, May 15, priced at $916 found 19 hours ago

Sun, May 3 - Fri, May 15

SEA

Seattle

LCY

London

$1,066 Roundtrip, found 19 hours ago

$1,066

Roundtrip

found 19 hours ago

Select KLM flight, departing Sun, May 3 from Seattle to London, returning Fri, May 15, priced at $1,066 found 19 hours ago

Sun, May 3 - Fri, May 15

SEA

Seattle

LCY

London

$1,105 Roundtrip, found 19 hours ago

$1,105

Roundtrip

found 19 hours ago

Select KLM flight, departing Sun, May 3 from Seattle to London, returning Fri, May 15, priced at $1,105 found 19 hours ago

Sun, May 3 - Fri, May 15

SEA

Seattle

LCY

London

$1,360 Roundtrip, found 19 hours ago

$1,360

Roundtrip

found 19 hours ago

Select KLM flight, departing Sun, May 3 from Seattle to London, returning Fri, May 15, priced at $1,360 found 19 hours ago

Sun, May 3 - Fri, May 15

SEA

Seattle

LCY

London

$1,386 Roundtrip, found 19 hours ago

$1,386

Roundtrip

found 19 hours ago

Select KLM flight, departing Sun, May 3 from Seattle to London, returning Fri, May 15, priced at $1,386 found 19 hours ago

Sun, May 3 - Fri, May 15

SEA

Seattle

LCY

London

$1,561 Roundtrip, found 19 hours ago

$1,561

Roundtrip

found 19 hours ago

Select KLM flight, departing Sun, May 3 from Seattle to London, returning Fri, May 15, priced at $1,561 found 19 hours ago