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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 $496 and CA $399 for one-way flights to Sintra for the period specified. Prices and availability are subject to change. Additional terms apply.
Sun., 23 Feb. - Fri., 7 Mar.
BOS
Logan Intl.
LIS
Humberto Delgado
CA $496 Roundtrip, found 3 hours ago
CA $496
Roundtrip
found 3 hours ago
Thu., 27 Feb. - Sat., 8 Mar.
BOS
Logan Intl.
LIS
Humberto Delgado
CA $697 Roundtrip, found 4 days ago
CA $697
Roundtrip
found 4 days ago
Sun., 23 Feb. - Fri., 7 Mar.
BOS
Logan Intl.
LIS
Humberto Delgado
CA $735 Roundtrip, found 3 hours ago
CA $735
Roundtrip
found 3 hours ago
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