Flights from United States to Portugal from USD 404
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1 Passenger, Economy
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Promo Code
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Best Flight Deals from United States to Portugal
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USD
Boston (BOS)to
Lisbon (LIS)21/09/2026 - 30/09/2026
From
USD 594
Viewed 7 hours ago
Round trip
Economy
Boston (BOS)to
Lisbon (LIS)04/11/2026 - 08/11/2026
From
USD 598
Viewed 13 hours ago
Round trip
Economy
New York/Newark (EWR)to
Lisbon (LIS)04/10/2026 - 04/11/2026
From
USD 589
Viewed 6 hours ago
Round trip
Economy
New York/Newark (EWR)to
Lisbon (LIS)17/09/2026 - 02/10/2026
From
USD 589
Viewed 10 hours ago
Round trip
Economy
Miami (MIA)to
Lisbon (LIS)13/09/2026 - 28/09/2026
From
USD 432
Viewed 8 hours ago
Round trip
Economy
Miami (MIA)to
Lisbon (LIS)10/10/2026 - 19/10/2026
From
USD 589
Viewed 11 hours ago
Round trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)15/10/2026 - 24/10/2026
From
USD 644
Viewed 5 hours ago
Round trip
Economy
New York/Newark (EWR)to
Porto (OPO)06/10/2026 - 23/10/2026
From
USD 590
Viewed 6 hours ago
Round trip
Economy
New York/Newark (EWR)to
Porto (OPO)30/10/2026 - 07/11/2026
From
USD 590
Viewed 12 hours ago
Round trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)12/10/2026 - 19/10/2026
From
USD 644
Viewed 23 hours ago
Round trip
Economy
New York/Newark (JFK)to
Lisbon (LIS)24/09/2026 - 05/10/2026
From
USD 594
Viewed 8 hours ago
Round trip
Economy
New York/Newark (JFK)to
Lisbon (LIS)14/12/2026 - 09/01/2027
From
USD 597
Viewed 5 hours ago
Round trip
Economy
San Francisco (SFO)to
Lisbon (LIS)01/10/2026 - 08/10/2026
From
USD 671
Viewed 9 hours ago
Round trip
Economy
San Francisco (SFO)to
Lisbon (LIS)14/09/2026 - 24/09/2026
From
USD 674
Viewed 11 hours ago
Round trip
Economy
Chicago (ORD)to
Lisbon (LIS)11/09/2026 - 18/09/2026
From
USD 470
Viewed 4 hours ago
Round trip
Economy
Chicago (ORD)to
Lisbon (LIS)04/10/2026 - 28/10/2026
From
USD 639
Viewed 11 hours ago
Round trip
Economy
Boston (BOS)to
Porto (OPO)28/09/2026 - 11/10/2026
From
USD 575
Viewed 10 hours ago
Round trip
Economy
Boston (BOS)to
Porto (OPO)26/11/2026 - 01/12/2026
From
USD 576
Viewed 5 hours ago
Round trip
Economy
Los Angeles (LAX)to
Lisbon (LIS)28/11/2026 - 10/12/2026
From
USD 676
Viewed 4 minutes ago
Round trip
Economy
Los Angeles (LAX)to
Lisbon (LIS)19/11/2026 - 01/12/2026
From
USD 678
Viewed 11 hours ago
Round trip
Economy
*The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.
Plan early and get the best prices
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USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Lisbon (LIS) | Round trip | Economy | 21/09/2026 - 30/09/2026 | From USD 594 Viewed 7 hours ago | |
| Boston (BOS) | Lisbon (LIS) | Round trip | Economy | 04/11/2026 - 08/11/2026 | From USD 598 Viewed 13 hours ago | |
| New York/Newark (EWR) | Lisbon (LIS) | Round trip | Economy | 04/10/2026 - 04/11/2026 | From USD 589 Viewed 6 hours ago | |
| New York/Newark (EWR) | Lisbon (LIS) | Round trip | Economy | 17/09/2026 - 02/10/2026 | From USD 589 Viewed 10 hours ago | |
| Miami (MIA) | Lisbon (LIS) | Round trip | Economy | 13/09/2026 - 28/09/2026 | From USD 432 Viewed 8 hours ago | |
| Miami (MIA) | Lisbon (LIS) | Round trip | Economy | 10/10/2026 - 19/10/2026 | From USD 589 Viewed 11 hours ago | |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round trip | Economy | 15/10/2026 - 24/10/2026 | From USD 644 Viewed 5 hours ago | |
| New York/Newark (EWR) | Porto (OPO) | Round trip | Economy | 06/10/2026 - 23/10/2026 | From USD 590 Viewed 6 hours ago |
*The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.