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Cheap flights from Boston (BOS) to Lisbon (LIS)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)

How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
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How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
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How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
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Cheap flights from Boston to Lisbon in August , September 2026

30 Aug - 10 Sep $ 749.00
BOS
Boston
Air France
DIRECT
LIS
Lisbon
LIS
Lisbon
Air France
DIRECT
BOS
Boston
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17 Aug - 10 Sep $ 790.00
BOS
Boston
TAP Portugal
DIRECT
LIS
Lisbon
LIS
Lisbon
TAP Portugal
DIRECT
BOS
Boston
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20 Aug - 03 Sep $ 1,136.00
BOS
Boston
TAP Portugal
DIRECT
LIS
Lisbon
LIS
Lisbon
TAP Portugal
DIRECT
BOS
Boston
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Last minute flights from Boston to Lisbon

25 Aug - 31 Aug $ 1,023.00
BOS
Boston
TAP Portugal
DIRECT
LIS
Lisbon
LIS
Lisbon
TAP Portugal
1 STOPS
BOS
Boston
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24 Aug - 31 Aug $ 1,075.00
BOS
Boston
TAP Portugal
DIRECT
LIS
Lisbon
LIS
Lisbon
TAP Portugal
DIRECT
BOS
Boston
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24 Aug - 31 Aug $ 1,075.00
BOS
Boston
TAP Portugal
DIRECT
LIS
Lisbon
LIS
Lisbon
TAP Portugal
DIRECT
BOS
Boston
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One-way flights to Lisbon from Boston

10:45 PM - 10:45 PM
TAP Portugal
0 Stops
6h 35m
BOS - LIS
$ 349
Kiwi
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10:40 PM - 10:40 PM
TAP Portugal
0 Stops
6h 35m
BOS - LIS
$ 351
Kiwi
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10:20 PM - 10:20 PM
TAP Portugal
0 Stops
6h 25m
BOS - LIS
$ 457
Kiwi
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How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)

Related info for your journey
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How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.