$372 Cheap United flights Seattle (SEA) to Lisbon (LIS)

$372 Cheap United flights Seattle (SEA) to Lisbon (LIS)

Prices were available within the past 7 days and start at $372 for one-way flights and $529 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 17 - Thu, Feb 26

SEA

Seattle

LIS

Lisbon

$529 Roundtrip, found 23 hours ago

$529

Roundtrip

found 23 hours ago

Select United flight, departing Tue, Feb 17 from Seattle to Lisbon, returning Thu, Feb 26, priced at $529 found 23 hours ago

Fri, Feb 13 - Sat, Feb 21

SEA

Seattle

LIS

Lisbon

$531 Roundtrip, found 23 hours ago

$531

Roundtrip

found 23 hours ago

Select United flight, departing Fri, Feb 13 from Seattle to Lisbon, returning Sat, Feb 21, priced at $531 found 23 hours ago

Wed, Feb 18 - Wed, Feb 25

SEA

Seattle

LIS

Lisbon

$540 Roundtrip, found 23 hours ago

$540

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Feb 18 from Seattle to Lisbon, returning Wed, Feb 25, priced at $540 found 23 hours ago

Wed, Feb 18 - Mon, Feb 23

SEA

Seattle

LIS

Lisbon

$541 Roundtrip, found 23 hours ago

$541

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Feb 18 from Seattle to Lisbon, returning Mon, Feb 23, priced at $541 found 23 hours ago

Fri, Feb 13 - Wed, Feb 25

SEA

Seattle

LIS

Lisbon

$542 Roundtrip, found 23 hours ago

$542

Roundtrip

found 23 hours ago

Select United flight, departing Fri, Feb 13 from Seattle to Lisbon, returning Wed, Feb 25, priced at $542 found 23 hours ago

Fri, Feb 13 - Mon, Feb 23

SEA

Seattle

LIS

Lisbon

$543 Roundtrip, found 23 hours ago

$543

Roundtrip

found 23 hours ago

Select United flight, departing Fri, Feb 13 from Seattle to Lisbon, returning Mon, Feb 23, priced at $543 found 23 hours ago