$618 Cheap United flights Washington (IAD) to Lisbon (LIS)

$618 Cheap United flights Washington (IAD) to Lisbon (LIS)

Prices were available within the past 7 days and start at $618 for one-way flights and $834 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 13 - Fri, Mar 27

IAD

Washington

LIS

Lisbon

$834 Roundtrip, found 2 days ago

$834

Roundtrip

found 2 days ago

Select United flight, departing Fri, Mar 13 from Washington to Lisbon, returning Fri, Mar 27, priced at $834 found 2 days ago

Fri, Mar 13 - Fri, Mar 27

IAD

Washington

LIS

Lisbon

$835 Roundtrip, found 2 days ago

$835

Roundtrip

found 2 days ago

Select United flight, departing Fri, Mar 13 from Washington to Lisbon, returning Fri, Mar 27, priced at $835 found 2 days ago

Fri, Mar 13 - Fri, Mar 27

IAD

Washington

LIS

Lisbon

$847 Roundtrip, found 2 days ago

$847

Roundtrip

found 2 days ago

Select United flight, departing Fri, Mar 13 from Washington to Lisbon, returning Fri, Mar 27, priced at $847 found 2 days ago

Fri, Mar 13 - Fri, Mar 27

IAD

Washington

LIS

Lisbon

$848 Roundtrip, found 2 days ago

$848

Roundtrip

found 2 days ago

Select United flight, departing Fri, Mar 13 from Washington to Lisbon, returning Fri, Mar 27, priced at $848 found 2 days ago

Sat, Mar 14 - Sat, Mar 28

IAD

Washington

LIS

Lisbon

$877 Roundtrip, found 16 hours ago

$877

Roundtrip

found 16 hours ago

Select United flight, departing Sat, Mar 14 from Washington to Lisbon, returning Sat, Mar 28, priced at $877 found 16 hours ago

Fri, Mar 13 - Fri, Mar 27

IAD

Washington

LIS

Lisbon

$878 Roundtrip, found 2 days ago

$878

Roundtrip

found 2 days ago

Select United flight, departing Fri, Mar 13 from Washington to Lisbon, returning Fri, Mar 27, priced at $878 found 2 days ago

Sat, Mar 14 - Sat, Mar 28

IAD

Washington

LIS

Lisbon

$879 Roundtrip, found 16 hours ago

$879

Roundtrip

found 16 hours ago

Select United flight, departing Sat, Mar 14 from Washington to Lisbon, returning Sat, Mar 28, priced at $879 found 16 hours ago