Boston to Cascais Flights (BOS-LIS) from $207

Selected fares from Boston to Cascais

The cheapest prices found with in the last 7 days for return flights were $354 and $207 for one-way flights to Cascais for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 30 - Tue, Oct 14

BOS

Logan Intl.

LIS

Humberto Delgado

$354 Roundtrip, found 1 hour ago

$354

Roundtrip

found 1 hour ago

Select LEVEL flight, departing Tue, Sep 30 from Logan Intl. to Humberto Delgado, returning Tue, Oct 14, priced at $354 found 1 hour ago

Mon, Oct 6 - Tue, Oct 7

BOS

Logan Intl.

LIS

Humberto Delgado

$424 Roundtrip, found 19 hours ago

$424

Roundtrip

found 19 hours ago

Select British Airways flight, departing Mon, Oct 6 from Logan Intl. to Humberto Delgado, returning Tue, Oct 7, priced at $424 found 19 hours ago

Wed, Nov 26 - Tue, Dec 2

BOS

Logan Intl.

LIS

Humberto Delgado

$490 Roundtrip, just found

$490

Roundtrip

just found

Select TAP Portugal flight, departing Wed, Nov 26 from Logan Intl. to Humberto Delgado, returning Tue, Dec 2, priced at $490 just found