Flights From Boston (BOS) to Sintra (LIS)

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Selected fares from Boston to Sintra

The cheapest prices found with in the last 7 days for return flights were CA $557 and CA $412 for one-way flights to Sintra for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sat, Feb. 14 - Mon, Feb. 23
BOS
Logan Intl.
LIS
Humberto Delgado
CA $557 Roundtrip, found 1 day ago
CA $557
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Sat, Feb. 14 from Logan Intl. to Humberto Delgado, returning Mon, Feb. 23, priced at CA $557 found 1 day ago
Icelandair
Sat, Sep. 20 - Thu, Sep. 25
BOS
Logan Intl.
LIS
Humberto Delgado
CA $650 Roundtrip, found 6 days ago
CA $650
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Sep. 20 from Logan Intl. to Humberto Delgado, returning Thu, Sep. 25, priced at CA $650 found 6 days ago
Aer Lingus
Sat, Sep. 13 - Fri, Sep. 26
BOS
Logan Intl.
LIS
Humberto Delgado
CA $653 Roundtrip, found 1 day ago
CA $653
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Sep. 13 from Logan Intl. to Humberto Delgado, returning Fri, Sep. 26, priced at CA $653 found 1 day ago