Flights from Boston to Lisbon

Our cheapest offers for flights from Boston to Lisbon

Here you can compare cheap flights from Boston (BOS) to Lisbon (LIS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Lisbon. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Boston
Lisbon
Outbound
10/18/25
1 Stopover (LHR)
BA0238, BA0504
10h 45min
Return
11/17/25
1 Stopover (LHR)
BA0511, BA0203
30h 00min
British Airways ?
$491
Best option
Boston
Lisbon
Outbound
10/18/25
direct
TP0218
06h 30min
Return
10/24/25
direct
TP0217
07h 35min
TAP Air Portugal ?
$531
Boston
Lisbon
Outbound
08/19/25
1 Stopover (CPH)
SK0928, SK8907
34h 25min
Return
09/02/25
1 Stopover (CPH)
TP0758, SK0927
23h 30min
SAS Scandinavian Airlines
$568
Boston
Lisbon
Pay attention to transfer at connecting flight
Outbound
06/08/25
2 Stopovers (KEF, DUB)
FI0634, FI0418, FR0652
28h 25min
Return
06/12/25
2 Stopovers (STN, KEF)
FR0714, OG0801, OG0111
16h 55min
Icelandair, Ryanair
$620
Boston
Lisbon
Outbound
10/18/25
1 Stopover (LHR)
AY4185, AY5984
21h 55min
Return
11/17/25
1 Stopover (MAD)
AY5564, AY5369
18h 20min
Finnair
$500
Boston
Lisbon
Outbound
10/18/25
1 Stopover (LHR)
BA0202, BA0504
20h 15min
Return
11/17/25
1 Stopover (LHR)
BA0511, BA0239
32h 20min
British Airways
$500
Boston
Lisbon
Outbound
10/18/25
direct
TP0216
06h 30min
Return
10/24/25
1 Stopover (OPO)
TP1932, TP0227
31h 25min
TAP Air Portugal
$501
Boston
Lisbon
Outbound
10/18/25
1 Stopover (LHR)
BA0212, BA0518
15h 35min
Return
11/17/25
1 Stopover (MAD)
IB0540, IB0345
18h 20min
British Airways ?
$501
Boston
Lisbon
Outbound
10/18/25
direct
TP0216
06h 30min
Return
10/24/25
1 Stopover (OPO)
TP1932, TP0227
31h 25min
TAP Air Portugal ?
$506
Boston
Lisbon
Outbound
10/18/25
direct
TP0216
06h 30min
Return
10/24/25
1 Stopover (OPO)
TP1932, TP0227
31h 25min
TAP Air Portugal
$510
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Boston to Lisbon

Favorite airline: Play
Play is the most popular airline for flights from Boston to Lisbon.
Play
27 %
Azores Airlines
18 %
TAP Portugal
18 %
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $480.00 more expensive on this route.
non stop flight
1 stop
2 stops
06h 25min
20h 25min
29h 17min
$823
$343
$990
Favourite connection: via Reykjavik-Keflavik
50 % of booked tickets on this route are for flights with a transfer in Reykjavik-Keflavik.
Route
bookings
1 stopover Reykjavik-Keflavik International
20h 25min, from $343
50 %
1 stopover Ponta Delgada (Azores)
10h 50min, from $764
33 %
1 stopover Istanbul
36h 30min, from $671
17 %

Important flight information

Flight information: Boston - Lisbon

Roundtrip from $490.53
Flight duration min. 06:20 / max. 06:50
Return flight duration min. 07:35/ max. 08:15
Distance 5130 km
Flights per week 8
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport Lisbon (LIS)
Destination country Flights to Portugal
Alternative routes to Portugal
Alternative flights to Lisbon
Flight destinations with a similar price
Flight destinations with a similar price