Boston - Porto7 daysMon 23 FebBOS-OPO· 1 stopUnited AirlinesTue 03 MarOPO-BOS· 1 stopUnited Airlinesfrom367 USD
New York - Porto13 daysTue 21 AprJFK-OPO· 1 stopAir EuropaTue 05 MayOPO-JFK· 1 stopAir Europafrom418 USD
New York - Lisbon17 daysSat 07 NovJFK-LIS· 1 stopAir EuropaWed 25 NovLIS-JFK· 1 stopAir Europafrom437 USD
Miami - Lisbon19 daysWed 28 OctMIA-LIS· 1 stopAmerican AirlinesTue 17 NovLIS-MIA· 1 stopAmerican Airlinesfrom482 USD
Orlando - Lisbon6 daysTue 03 NovMCO-LIS· 1 stopLufthansaTue 10 NovLIS-MCO· 1 stopLufthansafrom483 USD
San Francisco - Lisbon6 daysTue 14 AprSFO-LIS· 1 stopAmerican AirlinesTue 21 AprLIS-SFO· 1 stopAmerican Airlinesfrom486 USD
Fort Lauderdale - Lisbon7 daysTue 03 MarFLL-LIS· 1 stopUnited AirlinesWed 11 MarLIS-FLL· 2 stopsUnited Airlinesfrom487 USD
Boston - Lisbon10 daysSun 26 AprBOS-LIS· DirectVirgin AtlanticThu 07 MayLIS-BOS· DirectDelta Air Linesfrom493 USD
Cincinnati - Lisbon6 daysTue 28 AprCVG-LIS· 1 stopDelta Air LinesTue 05 MayLIS-CVG· 1 stopDelta Air Linesfrom494 USD
Cleveland - Lisbon13 daysSun 19 AprCLE-LIS· 1 stopUnited AirlinesSun 03 MayLIS-CLE· 2 stopsUnited Airlinesfrom506 USD
New York - Ponta Delgada7 daysMon 13 AprEWR-PDL· 1 stopTAP Air PortugalTue 21 AprPDL-EWR· 1 stopTAP Air Portugalfrom508 USD
Houston - Lisbon5 daysWed 25 FebIAH-LIS· 1 stopUnited AirlinesTue 03 MarLIS-IAH· 1 stopUnited Airlinesfrom552 USD