Cheap Flights from St. Louis to Lisbon
Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
St. Louis
RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon
Prices updated 1 day ago
461 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)
Today’s best flight deals from St. Louis to Lisbon
Explore current cheapest deals departing from St. Louis to Lisbon
2026-11-01 – 2026-11-17
STL - Lisbon
76% AI deal score
$564
$575
Round trip
2027-03-08 – 2027-03-16
STL - Lisbon
92% AI deal score
$870
$576
Round trip
2027-01-06 – 2027-01-15
STL - Lisbon
82% AI deal score
$708
$581
Round trip
2027-01-06 – 2027-01-13
STL - Lisbon
83% AI deal score
$721
$584
Round trip
2026-12-07 – 2026-12-15
STL - Lisbon
82% AI deal score
$704
$586
Round trip
2026-10-26 – 2026-11-05
STL - Lisbon
89% AI deal score
$765
$587
Round trip
2026-12-06 – 2026-12-15
STL - Lisbon
82% AI deal score
$705
$587
Round trip
2026-11-15 – 2026-11-24
STL - Lisbon
77% AI deal score
$586
$587
Round trip
2026-12-30 – 2027-01-14
STL - Lisbon
83% AI deal score
$738
$587
Round trip
2026-12-29 – 2027-01-13
STL - Lisbon
83% AI deal score
$738
$587
Round trip
