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)
01/26/26 - 02/06/26
Roundtrip
Business
from
$Â 2,648
Viewed: 10 hours ago
Lisbon (LIS)to
San Francisco (SFO)
06/08/26 - 06/23/26
Roundtrip
Business
from
$Â 4,718
Viewed: 9 hours ago
Lisbon (LIS)to
Washington, D.C. (IAD)
02/16/26 - 06/03/26
Roundtrip
Business
from
$Â 2,747
Viewed: 1 day ago
Porto (OPO)to
Newark/New York (EWR)
02/20/26 - 03/06/26
Roundtrip
Business
from
$Â 4,800
Viewed: 11 hours ago
Lisbon (LIS)to
Houston (IAH)
01/06/26 - 01/26/26
Roundtrip
Business
from
$Â 4,323
Viewed: 8 hours ago
Faro (FAO)to
Newark/New York (EWR)
08/24/26 - 09/14/26
Roundtrip
Business
from
$Â 2,682
Viewed: 1 day ago
Lisbon (LIS)to
Tampa (TPA)
02/07/26 - 02/13/26
Roundtrip
Business
from
$Â 3,144
Viewed: 7 hours ago
Lisbon (LIS)to
Atlanta (ATL)
12/31/25 - 02/05/26
Roundtrip
Business
from
$Â 3,085
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.