Flights from from Portugal to the United States from $ 557*
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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)
03/04/26 - 03/16/26
Roundtrip
Business
from
$Â 2,669
Viewed: 34 minutes ago
Porto (OPO)to
Newark/New York (EWR)
08/22/26 - 08/29/26
Roundtrip
Business
from
$Â 2,696
Viewed: 5 hours ago
Lisbon (LIS)to
San Francisco (SFO)
05/08/26 - 05/26/26
Roundtrip
Business
from
$Â 2,988
Viewed: 1 day ago
Lisbon (LIS)to
Washington, D.C. (IAD)
06/09/26 - 06/20/26
Roundtrip
Business
from
$Â 2,749
Viewed: 21 hours ago
Lisbon (LIS)to
Los Angeles (LAX)
04/19/26 - 04/30/26
Roundtrip
Business
from
$Â 3,262
Viewed: 14 hours ago
Lisbon (LIS)to
Houston (IAH)
05/22/26 - 06/09/26
Roundtrip
Business
from
$Â 4,294
Viewed: 45 minutes ago
Funchal (FNC)to
Newark/New York (EWR)
05/28/26 - 06/06/26
Roundtrip
Business
from
$Â 5,244
Viewed: 12 hours ago
Lisbon (LIS)to
Detroit (DTW)
02/02/26 - 02/25/26
Roundtrip
Business
from
$Â 3,104
Viewed: 2 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.