Flights from United States to to Portugal from $ 480*
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1 Passenger, Economy
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today
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Best prices for United flights from United States to Portugal
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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 United States to to Portugal
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Newark/New York (EWR)to
Lisbon (LIS)
02/10/26 - 02/17/26
Roundtrip
Business
from
$Â 2,607
Viewed: 6 hours ago
Newark/New York (EWR)to
Porto (OPO)
08/01/26 - 08/26/26
Roundtrip
Business
from
$Â 4,167
Viewed: 1 hour ago
Chicago (ORD)to
Lisbon (LIS)
09/16/26 - 10/01/26
Roundtrip
Business
from
$Â 4,044
Viewed: 45 minutes ago
Washington, D.C. (IAD)to
Lisbon (LIS)
04/28/26 - 05/12/26
Roundtrip
Business
from
$Â 5,781
Viewed: 10 hours ago
San Francisco (SFO)to
Lisbon (LIS)
09/01/26 - 10/15/26
Roundtrip
Business
from
$Â 4,200
Viewed: 1 day ago
Houston (IAH)to
Lisbon (LIS)
03/08/26 - 03/14/26
Roundtrip
Business
from
$Â 4,149
Viewed: 11 hours ago
Los Angeles (LAX)to
Lisbon (LIS)
02/09/26 - 02/16/26
Roundtrip
Business
from
$Â 3,443
Viewed: 5 hours ago
Newark/New York (EWR)to
Ponta Delgada (PDL)
09/04/26 - 09/09/26
Roundtrip
Business
from
$Â 5,163
Viewed: 1 hour 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.