Cheap United flights Seattle (SEA) to Lisbon (LIS)

Cheap United flights Seattle (SEA) to Lisbon (LIS)

Prices were available within the past 7 days and start at for one-way flights and $494 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 27 - Wed, Nov 12

SEA

Seattle

LIS

Lisbon

$494 Roundtrip, found 1 day ago

$494

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 27 from Seattle to Lisbon, returning Wed, Nov 12, priced at $494 found 1 day ago

Sat, Oct 25 - Wed, Nov 12

SEA

Seattle

LIS

Lisbon

$504 Roundtrip, found 1 day ago

$504

Roundtrip

found 1 day ago

Select United flight, departing Sat, Oct 25 from Seattle to Lisbon, returning Wed, Nov 12, priced at $504 found 1 day ago

Thu, Oct 30 - Wed, Nov 12

SEA

Seattle

LIS

Lisbon

$524 Roundtrip, found 1 day ago

$524

Roundtrip

found 1 day ago

Select United flight, departing Thu, Oct 30 from Seattle to Lisbon, returning Wed, Nov 12, priced at $524 found 1 day ago

Tue, Mar 24 - Tue, Apr 7

SEA

Seattle

LIS

Lisbon

$567 Roundtrip, found 19 hours ago

$567

Roundtrip

found 19 hours ago

Select United flight, departing Tue, Mar 24 from Seattle to Lisbon, returning Tue, Apr 7, priced at $567 found 19 hours ago

Mon, Oct 27 - Sat, Nov 15

SEA

Seattle

LIS

Lisbon

$582 Roundtrip, found 1 day ago

$582

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 27 from Seattle to Lisbon, returning Sat, Nov 15, priced at $582 found 1 day ago

Mon, Oct 27 - Fri, Nov 14

SEA

Seattle

LIS

Lisbon

$583 Roundtrip, found 1 day ago

$583

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 27 from Seattle to Lisbon, returning Fri, Nov 14, priced at $583 found 1 day ago

Sat, Oct 25 - Sat, Nov 15

SEA

Seattle

LIS

Lisbon

$593 Roundtrip, found 1 day ago

$593

Roundtrip

found 1 day ago

Select United flight, departing Sat, Oct 25 from Seattle to Lisbon, returning Sat, Nov 15, priced at $593 found 1 day ago

Sat, Oct 25 - Fri, Nov 14

SEA

Seattle

LIS

Lisbon

$593 Roundtrip, found 1 day ago

$593

Roundtrip

found 1 day ago

Select United flight, departing Sat, Oct 25 from Seattle to Lisbon, returning Fri, Nov 14, priced at $593 found 1 day ago

Mon, Oct 27 - Mon, Nov 17

SEA

Seattle

LIS

Lisbon

$600 Roundtrip, found 1 day ago

$600

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 27 from Seattle to Lisbon, returning Mon, Nov 17, priced at $600 found 1 day ago

Sat, Oct 25 - Mon, Nov 17

SEA

Seattle

LIS

Lisbon

$611 Roundtrip, found 1 day ago

$611

Roundtrip

found 1 day ago

Select United flight, departing Sat, Oct 25 from Seattle to Lisbon, returning Mon, Nov 17, priced at $611 found 1 day ago

Thu, Oct 30 - Fri, Nov 14

SEA

Seattle

LIS

Lisbon

$613 Roundtrip, found 1 day ago

$613

Roundtrip

found 1 day ago

Select United flight, departing Thu, Oct 30 from Seattle to Lisbon, returning Fri, Nov 14, priced at $613 found 1 day ago

Mon, Mar 30 - Tue, Apr 7

SEA

Seattle

LIS

Lisbon

$642 Roundtrip, found 19 hours ago

$642

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Mar 30 from Seattle to Lisbon, returning Tue, Apr 7, priced at $642 found 19 hours ago