Cheap Flights from Boise to Lisbon
Browse current best options from Boise. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Boise
RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon
Prices updated 4 days 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 Boise to Lisbon
Explore current cheapest deals departing from Boise to Lisbon
2026-10-24 – 2026-11-05
BOI - Lisbon
75% AI deal score
$812
$1,042
Round trip
2026-10-24 – 2026-11-14
BOI - Lisbon
75% AI deal score
$792
$1,042
Round trip
2026-10-24 – 2026-11-07
BOI - Lisbon
75% AI deal score
$812
$1,042
Round trip
2026-10-24 – 2026-11-16
BOI - Lisbon
75% AI deal score
$792
$1,044
Round trip
2026-10-23 – 2026-11-05
BOI - Lisbon
75% AI deal score
$821
$1,046
Round trip
2026-10-23 – 2026-11-14
BOI - Lisbon
75% AI deal score
$800
$1,046
Round trip
2026-10-23 – 2026-11-07
BOI - Lisbon
75% AI deal score
$811
$1,046
Round trip
2026-12-02 – 2026-12-14
BOI - Lisbon
76% AI deal score
$820
$1,047
Round trip
2026-11-23 – 2026-12-09
BOI - Lisbon
75% AI deal score
$777
$1,047
Round trip
2026-10-23 – 2026-11-16
BOI - Lisbon
75% AI deal score
$800
$1,048
Round trip
