Cheap United flights Portland (PDX) to Lisbon (LIS)

Cheap United flights Portland (PDX) to Lisbon (LIS)

Prices were available within the past 7 days and start at for one-way flights and $603 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 21 - Wed, Nov 5

PDX

Portland

LIS

Lisbon

$603 Roundtrip, found 19 hours ago

$603

Roundtrip

found 19 hours ago

Select United flight, departing Tue, Oct 21 from Portland to Lisbon, returning Wed, Nov 5, priced at $603 found 19 hours ago

Sat, Oct 25 - Fri, Nov 7

PDX

Portland

LIS

Lisbon

$609 Roundtrip, found 19 hours ago

$609

Roundtrip

found 19 hours ago

Select United flight, departing Sat, Oct 25 from Portland to Lisbon, returning Fri, Nov 7, priced at $609 found 19 hours ago