Boston to Cascais Flights (BOS-LIS) from $252

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Selected fares from Boston to Cascais

The cheapest prices found with in the last 7 days for return flights were $351 and $252 for one-way flights to Cascais for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Sun, Dec 1 - Fri, Dec 13
BOS
Logan Intl.
LIS
Humberto Delgado
$351 Roundtrip, found 6 days ago
$351
Roundtrip
found 6 days ago
Select Fly Play flight, departing Sun, Dec 1 from Logan Intl. to Humberto Delgado, returning Fri, Dec 13, priced at $351 found 6 days ago
Vueling Airlines
Tue, Feb 4 - Thu, Feb 13
BOS
Logan Intl.
LIS
Humberto Delgado
$427 Roundtrip, found 3 days ago
$427
Roundtrip
found 3 days ago
Select Vueling Airlines flight, departing Tue, Feb 4 from Logan Intl. to Humberto Delgado, returning Thu, Feb 13, priced at $427 found 3 days ago
TAP Portugal
Mon, Oct 14 - Thu, Oct 31
BOS
Logan Intl.
LIS
Humberto Delgado
$503 Roundtrip, found 23 hours ago
$503
Roundtrip
found 23 hours ago
Select TAP Portugal flight, departing Mon, Oct 14 from Logan Intl. to Humberto Delgado, returning Thu, Oct 31, priced at $503 found 23 hours ago

Save more with Cascais Flight + Hotel packages

Price found within the past 48 hours. Click for updated prices.
Eurostars Das Letras

Eurostars Das Letras

5 out of 5
per person
Jul 25 - Jul 30
found 1 hour ago
Roundtrip flight included
Boston (BOS) to Lisbon (LIS)
Eurostars Universal Lisboa

Eurostars Universal Lisboa

5 out of 5
per person
Jul 25 - Jul 30
found 1 hour ago
Roundtrip flight included
Boston (BOS) to Lisbon (LIS)
Eurostars Lisboa Baixa

Eurostars Lisboa Baixa

4 out of 5
per person
Jul 25 - Jul 30
found 1 hour ago
Roundtrip flight included
Boston (BOS) to Lisbon (LIS)
Solar Do Castelo, a Lisbon Heritage Collection

Solar Do Castelo, a Lisbon Heritage Collection

4 out of 5
per person
Jul 25 - Jul 30
found 1 hour ago
Roundtrip 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
Jul 25 - Jul 30
found 1 hour ago
Roundtrip flight included
Boston (BOS) to Lisbon (LIS)
As Janelas Verdes Inn, a Lisbon Heritage Collection

As Janelas Verdes Inn, a Lisbon Heritage Collection

4 out of 5
per person
Jul 25 - Jul 30
found 1 hour ago
Roundtrip flight included
Boston (BOS) to Lisbon (LIS)
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