S$454 Cheap Flights from Boston to Lisbon

View S$454 flight on Tue, 29 Sept, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Humberto Delgado Airport (LIS)

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Cheap Flights from Boston to Lisbon (BOS-LIS)

Prices were available within the past 7 days and start at S$454 for one-way flights and S$1,096 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

SATA International-Azores Airlines S.A.
Tue, 29 Sept - Sun, 4 Oct
BOS
Boston
LIS
Lisbon
S$1,096 Return, found 3 days ago
S$1,096
Return
found 3 days ago
Select SATA International-Azores Airlines S.A. flight, departing Tue, 29 Sept from Boston to Lisbon, returning Sun, 4 Oct, priced at S$1,096 found 3 days ago
SATA International-Azores Airlines S.A.
Tue, 29 Sept - Sun, 4 Oct
BOS
Boston
LIS
Lisbon
S$1,119 Return, found 3 days ago
S$1,119
Return
found 3 days ago
Select SATA International-Azores Airlines S.A. flight, departing Tue, 29 Sept from Boston to Lisbon, returning Sun, 4 Oct, priced at S$1,119 found 3 days ago
SATA International-Azores Airlines S.A.
Tue, 29 Sept - Sun, 4 Oct
BOS
Boston
LIS
Lisbon
S$1,247 Return, found 3 days ago
S$1,247
Return
found 3 days ago
Select SATA International-Azores Airlines S.A. flight, departing Tue, 29 Sept from Boston to Lisbon, returning Sun, 4 Oct, priced at S$1,247 found 3 days ago
Iberia
Tue, 29 Sept - Sun, 4 Oct
BOS
Boston
LIS
Lisbon
S$1,339 Return, found 3 days ago
S$1,339
Return
found 3 days ago
Select Iberia flight, departing Tue, 29 Sept from Boston to Lisbon, returning Sun, 4 Oct, priced at S$1,339 found 3 days ago
Delta
Tue, 29 Sept - Sun, 4 Oct
BOS
Boston
LIS
Lisbon
S$1,787 Return, found 3 days ago
S$1,787
Return
found 3 days ago
Select Delta flight, departing Tue, 29 Sept from Boston to Lisbon, returning Sun, 4 Oct, priced at S$1,787 found 3 days ago

Find the cheapest month to fly from Boston (BOS) to Lisbon (LIS)

November is typically the cheapest month to fly

From S$532 - S$891 per traveller.

Frequently asked questions

How much is a flight from BOS to Lisbon Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Logan Intl. Airport to Lisbon/Portela Airport start from S$1,096. Book now to secure the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to Lisbon/Portela Airport?
This can differ from airline to airline, as each has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find simple instructions on how to cancel your flight online.
How do I find cheap flights from Logan Intl. Airport to Humberto Delgado Airport (LIS) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport to Lisbon Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport to LIS?
With a flight distance of 5,100 kilometres from Logan Intl. Airport (BOS) to Lisbon Airport (LIS), this is a long flight. Be sure to drink plenty of water and get up to stretch your legs every now and then.
Which airlines fly direct from BOS to Lisbon/Portela Airport?
Flying straight from BOS to Humberto Delgado Airport (LIS) is simple with TAP Portugal (TP). This leading airline offers 43 flights every month.
Are Logan Intl. Airport to Lisbon/Portela Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest fares from Logan Intl. Airport (BOS) to LIS appearing a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.

Travel information

Origin airport
Logan Intl.
Destination airport
Humberto Delgado
Return price
S$1,095
Distance
5096 km
Average flight time
11 hours 30 mins

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