Cheap Flights from Portland to Lisbon
Browse current best options from Portland. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Portland
RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon
Prices updated 1 day ago
476 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Oct 12, 2026.)
Today’s best flight deals from Portland to Lisbon
Explore current cheapest deals departing from Portland to Lisbon
2027-01-20 – 2027-01-27
PDX - Lisbon
77% AI deal score
$669
$660
Round trip
2027-01-13 – 2027-01-20
PDX - Lisbon
77% AI deal score
$649
$679
Round trip
2026-11-10 – 2026-11-17
PDX - Lisbon
77% AI deal score
$685
$707
Round trip
2026-11-09 – 2026-11-19
PDX - Lisbon
76% AI deal score
$662
$710
Round trip
2027-01-17 – 2027-01-24
PDX - Lisbon
77% AI deal score
$667
$737
Round trip
2027-01-12 – 2027-01-19
PDX - Lisbon
76% AI deal score
$649
$738
Round trip
2026-11-17 – 2026-11-24
PDX - Lisbon
74% AI deal score
$684
$741
Round trip
2027-01-13 – 2027-01-26
PDX - Lisbon
76% AI deal score
$634
$742
Round trip
2026-11-02 – 2026-11-10
PDX - Lisbon
76% AI deal score
$668
$742
Round trip
2027-02-17 – 2027-02-23
PDX - Lisbon
77% AI deal score
$738
$744
Round trip
