Book United Boston to Lisbon flight deals from $561

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Search flights from Boston to Lisbon (BOS - LIS)

July

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Wednesday 25th

Return Thursday 9th
from$ 923*Viewed: 1 minute ago

Sunday 29th

Return Monday 13th
from$ 948*Viewed: 1 minute ago

Tuesday 31st

Return Wednesday 15th
from$ 858*Viewed: 1 minute ago

August

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Tuesday 21st

Return Wednesday 5th
from$ 561*Viewed: 1 minute ago

Wednesday 22nd

Return Thursday 6th
from$ 636*Viewed: 1 minute ago

Sunday 26th

Return Monday 10th
from$ 583*Viewed: 1 minute ago

September

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Monday 10th

Return Tuesday 25th
from$ 708*Viewed: 1 minute ago

Tuesday 11th

Return Wednesday 26th
from$ 657*Viewed: 1 minute ago

Monday 17th

Return Tuesday 2nd
from$ 680*Viewed: 1 minute ago
**Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply..
A fountain flows above the black and white wavy patterned ground in Lisbon

Plan ahead for flights from Boston to Lisbon

from
to
Type
Dates
Price*
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Tue 21 Aug 2018
Return Wed 5 Sep 2018
from$ 561*Viewed: 1 minute ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Sun 26 Aug 2018
Return Mon 10 Sep 2018
from$ 583*Viewed: 1 minute ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Fri 7 Dec 2018
Return Sat 15 Dec 2018
from$ 623*Viewed: 3 hours ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Wed 22 Aug 2018
Return Thu 6 Sep 2018
from$ 636*Viewed: 1 minute ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Tue 11 Sep 2018
Return Wed 26 Sep 2018
from$ 657*Viewed: 1 minute ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Mon 27 Aug 2018
Return Tue 11 Sep 2018
from$ 658*Viewed: 1 minute ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Mon 17 Sep 2018
Return Tue 2 Oct 2018
from$ 680*Viewed: 1 minute ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Mon 10 Sep 2018
Return Tue 25 Sep 2018
from$ 708*Viewed: 1 minute ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Wed 5 Sep 2018
Return Thu 20 Sep 2018
from$ 720*Viewed: 1 minute ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Sun 16 Sep 2018
Return Mon 1 Oct 2018
from$ 728*Viewed: 1 minute ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Lisbon

66 °FSaturday06/23/2018
85 °FSunday06/24/2018
78 °FMonday06/25/2018
77 °FTuesday06/26/2018
72 °FWednesday06/27/2018
72 °FThursday06/28/2018
71 °FFriday06/29/2018
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