$517 Cheap Delta flights Boston (BOS) to Lisbon (LIS)

View $517 flight on Thu, Jan 1, 2026Opens in a new window

$517 Cheap Delta flights Boston (BOS) to Lisbon (LIS)

Prices were available within the past 7 days and start at $517 for one-way flights and $728 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Jul 21 - Sun, Aug 3
BOS
Boston
LIS
Lisbon
$728 Roundtrip, found 1 day ago
$728
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jul 21 from Boston to Lisbon, returning Sun, Aug 3, priced at $728 found 1 day ago
Delta
Thu, Jan 1 - Tue, Feb 3
BOS
Boston
LIS
Lisbon
$755 Roundtrip, found 5 days ago
$755
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jan 1 from Boston to Lisbon, returning Tue, Feb 3, priced at $755 found 5 days ago
Flights from Boston (BOS) to Lisbon (LIS)
Origin airport
Logan Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, SATA International-Azores Airlines S.A., Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Popular airline
Virgin Atlantic
Distance
5096 km
Average flight time
11 hours 26 mins