Boston to Cascais Flights (BOS-LIS) from $271
Wander Wisely with exceptional service, 24/7 support
Feel at ease with free flight cancellations within 24 hours of booking
Change your flight without a fee on select flights
Selected fares from Boston to Cascais
The cheapest prices found with in the last 7 days for return flights were $354 and $271 for one-way flights to Cascais for the period specified. Prices and availability are subject to change. Additional terms apply.
Sun, Dec 1 - Mon, Dec 9
BOS
Logan Intl.
LIS
Humberto Delgado
$354 Roundtrip, found 1 hour ago
$354
Roundtrip
found 1 hour ago
Thu, Nov 28 - Tue, Dec 10
BOS
Logan Intl.
LIS
Humberto Delgado
$443 Roundtrip, found 4 days ago
$443
Roundtrip
found 4 days ago
Sat, Sep 7 - Thu, Sep 19
BOS
Logan Intl.
LIS
Humberto Delgado
$503 Roundtrip, found 2 days ago
$503
Roundtrip
found 2 days ago
Save more with Cascais Flight + Hotel packages
Price found within the past 48 hours. Click for updated prices.
More to explore for Boston to Cascais
Flights to Cities near Cascais
Other Flights to Cascais
Most Popular
Flights
Flights from Houston to DelawareFlights from Detroit to AmsterdamFlights from Tampa to South Lake TahoeFlights from Pittsburgh to ClearwaterFlights from Pittsburgh to AlbuquerqueFlights from Los Angeles to TamarindoFlights from Salt Lake City to HonoluluFlights from St. Petersburg - Clearwater to Key WestFlights from Seattle to Las VegasFlights from Portland to Las VegasFlights from Pittsburgh to St. PetersburgFlights from Fort Wayne to DestinFlights from Miami to TulumFlights from Atlanta to Las VegasFlights from Boston to EdinburghFlights from Seattle to AnaheimFlights from New York to Boca RatonFlights from Chicago to New YorkFlights from New York to Paradise IslandFlights from Salt Lake City to MauiFlights from Raleigh to Punta GordaFlights from Seattle to OrickFlights from Sacramento to MauiFlights from Pittsburgh to DestinFlights from Dallas to Bora BoraFlights from New York to San Miguel de AllendeFlights from Houston to Las VegasFlights from Portland to AnaheimFlights from Dallas to AnaheimFlights from Atlanta to Taormina