$564 Cheap United flights Washington (IAD) to Lisbon (LIS)

$564 Cheap United flights Washington (IAD) to Lisbon (LIS)

Prices were available within the past 7 days and start at $564 for one-way flights and $734 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 14 - Wed, Dec 3

IAD

Washington

LIS

Lisbon

$734 Roundtrip, found 2 days ago

$734

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 14 from Washington to Lisbon, returning Wed, Dec 3, priced at $734 found 2 days ago

Fri, Nov 14 - Wed, Dec 3

IAD

Washington

LIS

Lisbon

$739 Roundtrip, found 2 days ago

$739

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 14 from Washington to Lisbon, returning Wed, Dec 3, priced at $739 found 2 days ago

Fri, Nov 14 - Wed, Dec 3

IAD

Washington

LIS

Lisbon

$741 Roundtrip, found 2 days ago

$741

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 14 from Washington to Lisbon, returning Wed, Dec 3, priced at $741 found 2 days ago

Fri, Nov 14 - Wed, Dec 3

IAD

Washington

LIS

Lisbon

$745 Roundtrip, found 2 days ago

$745

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 14 from Washington to Lisbon, returning Wed, Dec 3, priced at $745 found 2 days ago

Fri, Nov 14 - Wed, Dec 3

IAD

Washington

LIS

Lisbon

$745 Roundtrip, found 2 days ago

$745

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 14 from Washington to Lisbon, returning Wed, Dec 3, priced at $745 found 2 days ago

Fri, Nov 14 - Wed, Dec 3

IAD

Washington

LIS

Lisbon

$749 Roundtrip, found 2 days ago

$749

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 14 from Washington to Lisbon, returning Wed, Dec 3, priced at $749 found 2 days ago