Cheap Flights from Chicago to Lisbon
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Deals from
Chicago
RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon
Prices updated 7 days ago
483 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 26, 2026.)
Today’s best flight deals from Chicago to Lisbon
Explore current cheapest deals departing from Chicago to Lisbon
2026-12-09 – 2026-12-17
CHI - Lisbon
80% AI deal score
$681
$609
Round trip
2026-11-30 – 2026-12-08
CHI - Lisbon
76% AI deal score
$571
$638
Round trip
2026-11-25 – 2026-12-08
CHI - Lisbon
76% AI deal score
$562
$638
Round trip
2026-12-02 – 2026-12-08
CHI - Lisbon
80% AI deal score
$706
$640
Round trip
2026-12-02 – 2026-12-15
CHI - Lisbon
78% AI deal score
$667
$640
Round trip
2026-11-23 – 2026-12-08
CHI - Lisbon
76% AI deal score
$556
$640
Round trip
2026-11-16 – 2026-11-24
CHI - Lisbon
76% AI deal score
$572
$641
Round trip
2026-12-07 – 2026-12-15
CHI - Lisbon
78% AI deal score
$681
$647
Round trip
2026-12-09 – 2026-12-15
CHI - Lisbon
79% AI deal score
$704
$647
Round trip
2027-01-06 – 2027-01-14
CHI - Lisbon
75% AI deal score
$515
$647
Round trip
