Flights from from Portugal to the United States from € 542*
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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)
22/09/2026 - 13/10/2026
Roundtrip
Business
from
€ 2.884
Viewed: 23 hours ago
Porto (OPO)to
Newark/New York (EWR)
06/06/2026 - 22/07/2026
Roundtrip
Business
from
€ 2.883
Viewed: 7 hours ago
Lisbon (LIS)to
Washington, D.C. (IAD)
15/05/2026 - 16/05/2026
Roundtrip
Business
from
€ 3.596
Viewed: 1 day ago
Faro (FAO)to
Newark/New York (EWR)
01/07/2026 - 08/07/2026
Roundtrip
Business
from
€ 2.897
Viewed: 17 hours ago
Lisbon (LIS)to
Chicago (ORD)
11/09/2026 - 25/09/2026
Roundtrip
Business
from
€ 3.580
Viewed: 5 hours ago
Lisbon (LIS)to
Los Angeles (LAX)
10/07/2026 - 12/07/2026
Roundtrip
Business
from
€ 3.397
Viewed: 1 day ago
Funchal (FNC)to
Newark/New York (EWR)
23/09/2026 - 29/09/2026
Roundtrip
Business
from
€ 3.912
Viewed: 1 day ago
Lisbon (LIS)to
Miami (MIA)
08/01/2027 - 16/01/2027
Roundtrip
Business
from
€ 3.859
Viewed: 22 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.