Flights to Sintra from Boston - $277

Cheap Flights from Boston to Sintra (BOS-LIS)

Prices were available within the past 7 days and start at $277 for one-way flights and $410 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Mar 12 - Mon, Mar 16

BOS

Boston

LIS

Lisbon

$410 Roundtrip, found 6 hours ago

$410

Roundtrip

found 6 hours ago

Select Fly Play flight, departing Thu, Mar 12 from Boston to Lisbon, returning Mon, Mar 16, priced at $410 found 6 hours ago

Sun, Nov 16 - Wed, Dec 3

BOS

Boston

LIS

Lisbon

$477 Roundtrip, found 10 hours ago

$477

Roundtrip

found 10 hours ago

Select Scandinavian Airlines flight, departing Sun, Nov 16 from Boston to Lisbon, returning Wed, Dec 3, priced at $477 found 10 hours ago

Tue, Sep 9 - Wed, Sep 10

BOS

Boston

LIS

Lisbon

$503 Roundtrip, found 6 hours ago

$503

Roundtrip

found 6 hours ago

Select British Airways flight, departing Tue, Sep 9 from Boston to Lisbon, returning Wed, Sep 10, priced at $503 found 6 hours ago

Mon, Sep 29 - Fri, Oct 3

BOS

Boston

LIS

Lisbon

$541 Roundtrip, found 11 hours ago

$541

Roundtrip

found 11 hours ago

Select Iberia flight, departing Mon, Sep 29 from Boston to Lisbon, returning Fri, Oct 3, priced at $541 found 11 hours ago

Wed, Feb 18 - Sun, Mar 1

BOS

Boston

LIS

Lisbon

$570 Roundtrip, found 5 hours ago

$570

Roundtrip

found 5 hours ago

Select Icelandair flight, departing Wed, Feb 18 from Boston to Lisbon, returning Sun, Mar 1, priced at $570 found 5 hours ago

Thu, Nov 27 - Tue, Dec 2

BOS

Boston

LIS

Lisbon

$589 Roundtrip, just found

$589

Roundtrip

just found

Select Delta flight, departing Thu, Nov 27 from Boston to Lisbon, returning Tue, Dec 2, priced at $589 just found