Flight Routes from Boston to Lisbon

Trip type

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
05/16/26
1 Stopover (OPO)
TP0228, TP1935
19h 00min
Return
05/29/26
direct
TP0215
07h 40min
TAP Air Portugal
$748
Best option
Boston
Lisbon
Outbound
05/16/26
direct
TP0216
06h 35min
Return
05/29/26
direct
TP0215
07h 40min
TAP Air Portugal ?
$920
Boston
Lisbon
Outbound
05/16/26
1 Stopover (IST)
TK0082, TK1779
20h 40min
Return
05/29/26
1 Stopover (IST)
TK1780, TK0081
18h 55min
Turkish Airlines
$804
Boston
Lisbon
Please note: transfer for connecting flight
Outbound
06/25/26
2 Stopovers (FRA, BCN)
DE2039, DE4323, VY8464
23h 45min
Return
06/30/26
2 Stopovers (BCN, FRA)
VY8461, DE4324, DE2038
34h 35min
Condor, Vueling Airlines
$1,053
Boston
Lisbon
Outbound
05/16/26
1 Stopover (OPO)
TP0228, TP1931
14h 45min
Return
05/29/26
direct
TP0215
07h 40min
TAP Air Portugal
$758
Boston
Lisbon
Outbound
05/16/26
1 Stopover (OPO)
TP0228, TP1935
19h 00min
Return
05/29/26
direct
TP0215
07h 40min
TAP Air Portugal
$764
Boston
Lisbon
Outbound
05/16/26
2 Stopovers (YHZ, LHR, LTN)
UA8482, UA8298, U22465
45h 30min
Return
05/29/26
2 Stopovers (GVA, LHR)
U27641, BA0745, IB3600
21h 35min
United Airlines, easyJet ?
$776
Boston
Lisbon
Outbound
07/26/26
1 Stopover (MAD)
IB0346, IB1143
13h 45min
Return
08/05/26
1 Stopover (MAD)
IB0532, IB0345
12h 20min
Iberia ?
$786
Boston
Lisbon
Outbound
05/16/26
1 Stopover (OPO)
TP0228, TP1929
12h 45min
Return
05/29/26
direct
TP0215
07h 40min
TAP Air Portugal ?
$799
Boston
Lisbon
Outbound
07/26/26
1 Stopover (MAD)
IB0346, IB1143
13h 45min
Return
08/05/26
1 Stopover (MAD)
IB0532, IB0345
12h 20min
Iberia
$834
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 $747.10
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