Flights from from Portugal to the United States from $ 559*
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1 Passenger, Economy
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today
today
Best prices for United flights from Portugal to United States
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*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Best business class fares from Portugal to the United States
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Lisbon (LIS)to
Newark/New York (EWR)
12/28/25 - 01/05/26
Roundtrip
Business
from
$Â 2,649
Viewed: 1 hour ago
Lisbon (LIS)to
Washington, D.C. (IAD)
12/31/25 - 06/23/26
Roundtrip
Business
from
$Â 2,749
Viewed: 13 hours ago
Porto (OPO)to
Newark/New York (EWR)
08/14/26 - 08/29/26
Roundtrip
Business
from
$Â 2,705
Viewed: 13 hours ago
Porto (OPO)to
Los Angeles (LAX)
05/22/26 - 05/22/26
Roundtrip
Business
from
$Â 7,833
Viewed: 1 day ago
Funchal (FNC)to
Newark/New York (EWR)
06/06/26 - 06/13/26
Roundtrip
Business
from
$Â 4,798
Viewed: 13 hours ago
Lisbon (LIS)to
Orlando (MCO)
01/09/26 - 01/24/26
Roundtrip
Business
from
$Â 4,189
Viewed: 11 hours ago
Ponta Delgada (PDL)to
Newark/New York (EWR)
10/05/26 - 10/19/26
Roundtrip
Business
from
$Â 2,971
Viewed: 5 hours ago
Lisbon (LIS)to
West Palm Beach (PBI)
02/01/26 - 02/04/26
Roundtrip
Business
from
$Â 3,821
Viewed: 1 day ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.