Boston to Sintra Flights (BOS-LIS) from $271

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Selected fares from Boston to Sintra

The cheapest prices found with in the last 7 days for return flights were $362 and $271 for one-way flights to Sintra for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Sun, Jan 12 - Fri, Feb 7
BOS
Logan Intl.
LIS
Humberto Delgado
$362 Roundtrip, found 2 hours ago
$362
Roundtrip
found 2 hours ago
Select Fly Play flight, departing Sun, Jan 12 from Logan Intl. to Humberto Delgado, returning Fri, Feb 7, priced at $362 found 2 hours ago
Vueling Airlines
Wed, Sep 25 - Mon, Sep 30
BOS
Logan Intl.
LIS
Humberto Delgado
$582 Roundtrip, just found
$582
Roundtrip
just found
Select Vueling Airlines flight, departing Wed, Sep 25 from Logan Intl. to Humberto Delgado, returning Mon, Sep 30, priced at $582 just found
SATA International-Azores Airlines S.A.
Mon, Sep 30 - Tue, Oct 15
BOS
Logan Intl.
LIS
Humberto Delgado
$587 Roundtrip, found 11 hours ago
$587
Roundtrip
found 11 hours ago
Select SATA International-Azores Airlines S.A. flight, departing Mon, Sep 30 from Logan Intl. to Humberto Delgado, returning Tue, Oct 15, priced at $587 found 11 hours ago

Save more with Sintra Flight + Hotel packages

TURIM Ibéria Hotel

TURIM Ibéria Hotel

4 out of 5
per person
Jun 1 - Jun 8
Roundtrip non-stop flight included
Boston (BOS) to Lisbon (LIS)
Eurostars Lisboa Baixa

Eurostars Lisboa Baixa

4 out of 5
per person
May 27 - May 31
Roundtrip non-stop flight included
Boston (BOS) to Lisbon (LIS)
Hotel Britania Art Deco, a Lisbon Heritage Collection

Hotel Britania Art Deco, a Lisbon Heritage Collection

4 out of 5
per person
Jun 1 - Jun 8
Roundtrip non-stop flight included
Boston (BOS) to Lisbon (LIS)
Turim Boulevard Hotel

Turim Boulevard Hotel

5 out of 5
per person
May 23 - May 28
Roundtrip non-stop flight included
Boston (BOS) to Lisbon (LIS)
Aurea Museum by Eurostars Hotel Company

Aurea Museum by Eurostars Hotel Company

5 out of 5
per person
May 27 - May 31
Roundtrip non-stop flight included
Boston (BOS) to Lisbon (LIS)
Lisboa Carmo Hotel

Lisboa Carmo Hotel

4 out of 5
per person
May 27 - May 31
Roundtrip non-stop flight included
Boston (BOS) to Lisbon (LIS)
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Prices and availability subject to change. Additional terms may apply.