$651 Cheap KLM flights Washington (IAD) to Lisbon (LIS)

$651 Cheap KLM flights Washington (IAD) to Lisbon (LIS)

Prices were available within the past 7 days and start at $651 for one-way flights and $1,193 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 21 - Sun, May 3

IAD

Washington

LIS

Lisbon

$1,193 Roundtrip, found 3 days ago

$1,193

Roundtrip

found 3 days ago

Select KLM flight, departing Tue, Apr 21 from Washington to Lisbon, returning Sun, May 3, priced at $1,193 found 3 days ago