Cheap flights from Boston to Sintra from CA $365

Cheap flights from Boston (BOS) to Sintra (LIS)

Prices were available within the past 7 days and start at CA $365 for one-way flights and CA $559 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu., May 8 - Mon., May 12

BOS

Boston

LIS

Lisbon

CA $559 Roundtrip, found 5 days ago

CA $559

Roundtrip

found 5 days ago

Select Fly Play flight, departing Thu., May 8 from Boston to Lisbon, returning Mon., May 12, priced at CA $559 found 5 days ago

Mon., Feb. 2 - Mon., Feb. 9

BOS

Boston

LIS

Lisbon

CA $686 Roundtrip, found 3 days ago

CA $686

Roundtrip

found 3 days ago

Select Scandinavian Airlines flight, departing Mon., Feb. 2 from Boston to Lisbon, returning Mon., Feb. 9, priced at CA $686 found 3 days ago

Fri., Nov. 7 - Fri., Nov. 14

BOS

Boston

LIS

Lisbon

CA $807 Roundtrip, found 3 days ago

CA $807

Roundtrip

found 3 days ago

Select Virgin Atlantic flight, departing Fri., Nov. 7 from Boston to Lisbon, returning Fri., Nov. 14, priced at CA $807 found 3 days ago

Fri., Nov. 7 - Fri., Nov. 14

BOS

Boston

LIS

Lisbon

CA $807 Roundtrip, found 3 days ago

CA $807

Roundtrip

found 3 days ago

Select Delta flight, departing Fri., Nov. 7 from Boston to Lisbon, returning Fri., Nov. 14, priced at CA $807 found 3 days ago

Mon., Mar. 9 - Mon., Mar. 16

BOS

Boston

LIS

Lisbon

CA $817 Roundtrip, found 3 hours ago

CA $817

Roundtrip

found 3 hours ago

Select KLM flight, departing Mon., Mar. 9 from Boston to Lisbon, returning Mon., Mar. 16, priced at CA $817 found 3 hours ago

Fri., Oct. 3 - Mon., Oct. 13

BOS

Boston

LIS

Lisbon

CA $830 Roundtrip, found 2 days ago

CA $830

Roundtrip

found 2 days ago

Select TAP Portugal flight, departing Fri., Oct. 3 from Boston to Lisbon, returning Mon., Oct. 13, priced at CA $830 found 2 days ago