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)
01/06/2026 - 08/06/2026
Roundtrip
Business
from
€ 2.899
Viewed: 22 hours ago
Porto (OPO)to
Newark/New York (EWR)
08/06/2026 - 15/06/2026
Roundtrip
Business
from
€ 2.880
Viewed: 19 hours ago
Lisbon (LIS)to
Washington, D.C. (IAD)
08/06/2026 - 11/06/2026
Roundtrip
Business
from
€ 3.256
Viewed: 16 hours ago
Faro (FAO)to
Newark/New York (EWR)
27/08/2026 - 31/08/2026
Roundtrip
Business
from
€ 2.883
Viewed: 18 hours ago
Lisbon (LIS)to
Los Angeles (LAX)
01/09/2026 - 06/09/2026
Roundtrip
Business
from
€ 3.396
Viewed: 22 hours ago
Lisbon (LIS)to
Houston (IAH)
17/06/2026 - 24/06/2026
Roundtrip
Business
from
€ 4.429
Viewed: 12 hours ago
Lisbon (LIS)to
Orlando (MCO)
24/06/2026 - 02/07/2026
Roundtrip
Business
from
€ 4.559
Viewed: 14 hours ago
Porto (OPO)to
Houston (IAH)
21/04/2026 - 29/04/2026
Roundtrip
Business
from
€ 5.723
Viewed: 21 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.