Cheap Flights from Boston to Alentejo

View €256 flight on Mon, 2 Mar 2026Opens in a new window

Popular airlines from Boston to Alentejo

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • British Airways

    British Airways

  • Turkish Airlines

    Turkish Airlines

  • American Airlines

    American Airlines

  • Air Serbia

    Air Serbia

  • Swiss International Air Lines

    Swiss International Air Lines

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Cheap flights from Boston to Alentejo (BOS-FAO)

Prices were available within the past 7 days and start at €256 for one-way flights and €352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, 11 Aug - Wed, 27 Aug
BOS
Boston
FAO
Algarve
€352 Return, found 4 days ago
€352
Return
found 4 days ago
Select Aer Lingus flight, departing Mon, 11 Aug from Boston to Algarve, returning Wed, 27 Aug, priced at €352 found 4 days ago
Scandinavian Airlines
Sat, 28 Feb - Fri, 6 Mar
BOS
Boston
LIS
Lisbon
€353 Return, found 6 days ago
€353
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Sat, 28 Feb from Boston to Lisbon, returning Fri, 6 Mar, priced at €353 found 6 days ago
TAP Portugal
Sun, 31 Aug - Sat, 6 Sep
BOS
Boston
LIS
Lisbon
€390 Return, found 8 hours ago
€390
Return
found 8 hours ago
Select TAP Portugal flight, departing Sun, 31 Aug from Boston to Lisbon, returning Sat, 6 Sep, priced at €390 found 8 hours ago
Swiss International Air Lines
Mon, 18 Aug - Wed, 3 Sep
BOS
Boston
FAO
Algarve
€399 Return, found 1 day ago
€399
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 18 Aug from Boston to Algarve, returning Wed, 3 Sep, priced at €399 found 1 day ago
Icelandair
Sat, 18 Oct - Sun, 26 Oct
BOS
Boston
LIS
Lisbon
€405 Return, found 17 hours ago
€405
Return
found 17 hours ago
Select Icelandair flight, departing Sat, 18 Oct from Boston to Lisbon, returning Sun, 26 Oct, priced at €405 found 17 hours ago
United
Sun, 12 Oct - Fri, 24 Oct
BOS
Boston
LIS
Lisbon
€414 Return, found 6 days ago
€414
Return
found 6 days ago
Select United flight, departing Sun, 12 Oct from Boston to Lisbon, returning Fri, 24 Oct, priced at €414 found 6 days ago
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