Flights from from Portugal to the United States from $ 570*
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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)
12/26/25 - 02/09/26
Roundtrip
Business
from
$Â 2,533
Viewed: 9 hours ago
Lisbon (LIS)to
San Francisco (SFO)
05/26/26 - 06/04/26
Roundtrip
Business
from
$Â 2,854
Viewed: 4 hours ago
Porto (OPO)to
Newark/New York (EWR)
04/06/26 - 04/06/26
Roundtrip
Business
from
$Â 3,889
Viewed: 8 hours ago
Lisbon (LIS)to
Washington, D.C. (IAD)
02/14/26 - 02/21/26
Roundtrip
Business
from
$Â 2,614
Viewed: 9 hours ago
Lisbon (LIS)to
Chicago (ORD)
03/29/26 - 03/29/26
Roundtrip
Business
from
$Â 2,559
Viewed: 8 hours ago
Lisbon (LIS)to
Fort Lauderdale (FLL)
12/21/25 - 01/08/26
Roundtrip
Business
from
$Â 3,644
Viewed: 12 hours ago
Lisbon (LIS)to
Orlando (MCO)
12/24/25 - 01/10/26
Roundtrip
Business
from
$Â 3,006
Viewed: 6 hours ago
Porto (OPO)to
Los Angeles (LAX)
03/01/26 - 03/31/26
Roundtrip
Business
from
$Â 4,332
Viewed: 14 hours 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.