Book United Boston to Lisbon flight deals from $425

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Search flights from Boston to Lisbon (BOS - LIS)

November

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Monday 19th

Return Tuesday 4th
from$ 426*Viewed: 56 minutes ago

Friday 23rd

Return Saturday 8th
from$ 485*Viewed: 56 minutes ago

Saturday 24th

Return Sunday 9th
from$ 484*Viewed: 56 minutes ago

December

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Monday 3rd

Return Tuesday 18th
from$ 425*Viewed: 56 minutes ago

Monday 10th

Return Tuesday 25th
from$ 425*Viewed: 56 minutes ago

Monday 31st

Return Tuesday 15th
from$ 527*Viewed: 56 minutes ago

January

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Friday 11th

Return Saturday 26th
from$ 485*Viewed: 56 minutes ago

Saturday 12th

Return Sunday 27th
from$ 485*Viewed: 56 minutes ago

Monday 14th

Return Tuesday 29th
from$ 432*Viewed: 56 minutes 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 Mon 3 Dec 2018
Return Tue 18 Dec 2018
from$ 425*Viewed: 56 minutes ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Mon 10 Dec 2018
Return Tue 25 Dec 2018
from$ 425*Viewed: 56 minutes ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Mon 19 Nov 2018
Return Tue 4 Dec 2018
from$ 426*Viewed: 56 minutes ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Mon 14 Jan 2019
Return Tue 29 Jan 2019
from$ 432*Viewed: 56 minutes ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Wed 3 Apr 2019
Return Tue 9 Apr 2019
from$ 474*Viewed: 20 hours ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Wed 24 Apr 2019
Return Tue 30 Apr 2019
from$ 474*Viewed: 20 hours ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Mon 4 Feb 2019
Return Mon 11 Feb 2019
from$ 482*Viewed: 11 hours ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Sat 24 Nov 2018
Return Sun 9 Dec 2018
from$ 484*Viewed: 56 minutes ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Fri 23 Nov 2018
Return Sat 8 Dec 2018
from$ 485*Viewed: 56 minutes ago
Boston (BOS)
to Lisbon (LIS)
Roundtrip
Depart Fri 11 Jan 2019
Return Sat 26 Jan 2019
from$ 485*Viewed: 56 minutes 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

73 °FThursday10/18/2018
74 °FFriday10/19/2018
64 °FSaturday10/20/2018
69 °FSunday10/21/2018
75 °FMonday10/22/2018
77 °FTuesday10/23/2018
66 °FWednesday10/24/2018
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