Cheapest return flights from Lisbon (LIS) to Boston (BOS), December

20 dates in December, from $ 414. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
22 Dec 9 Jan 2027 Icelandair
22 Dec 6 Jan 2027 Icelandair
27 Dec 6 Jan 2027 Icelandair
11 Dec 13 Dec TAP
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2 Dec 9 Dec American Airlines
13 Dec 2 Jan 2027 American Airlines
22 Dec 2 Jan 2027 American Airlines
12 Dec 1 Jan 2027 American Airlines
12 Dec 3 Jan 2027 American Airlines
12 Dec 2 Jan 2027 American Airlines
16 Dec 2 Jan 2027 American Airlines
14 Dec 2 Jan 2027 American Airlines
26 Dec 30 Dec British Airways
11 Dec 30 Dec British Airways
5 Dec 8 Dec British Airways
1 Dec 9 Dec British Airways
1 Dec 13 Dec British Airways
8 Dec 12 Dec Icelandair
2 Dec 12 Dec KLM
26 Dec 30 Dec TAP
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Deals for one-way flights from Lisbon to Boston in December.

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Updated Oct 20, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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