Flights from Washington, D.C. to Portugal from USD 742
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1 Passenger, Economy
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Promo Code
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Best Flight Deals from Washington, D.C. to Portugal
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USD
Washington, D.C. (IAD)to
Lisbon (LIS)22/10/2026 - 30/10/2026
From
USD 755
Viewed 11 hours ago
Round trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)30/09/2026 - 09/10/2026
From
USD 759
Viewed 1 day ago
Round trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)06/09/2026 - 24/09/2026
From
USD 742
Viewed 1 day ago
Round trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)04/10/2026 - 11/10/2026
From
USD 848
Viewed 12 hours ago
Round trip
Economy
Washington, D.C. (IAD)to
Funchal (FNC)29/09/2026 - 16/11/2026
From
USD 957
Viewed 4 hours ago
Round trip
Economy
Washington, D.C. (IAD)to
Funchal (FNC)11/02/2027 - 16/02/2027
From
USD 1,018
Viewed 1 hour ago
Round trip
Economy
Washington, D.C. (IAD)to
Ponta Delgada (PDL)03/09/2026 - 10/09/2026
From
USD 1,771
Viewed 10 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.
Business Flights Deals
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flight_land
USD
Washington, D.C. (IAD)to
Lisbon (LIS)
22/10/2026 - 30/10/2026
Round trip
Business
From
USD 4,904
Viewed 11 hours ago
Washington, D.C. (IAD)to
Lisbon (LIS)
23/10/2026 - 05/11/2026
Round trip
Business
From
USD 4,908
Viewed 1 day ago
Washington, D.C. (IAD)to
Porto (OPO)
31/08/2026 - 06/09/2026
Round trip
Business
From
USD 6,395
Viewed 1 day ago
Washington, D.C. (IAD)to
Porto (OPO)
06/09/2026 - 24/09/2026
Round trip
Business
From
USD 6,663
Viewed 1 day ago
Washington, D.C. (IAD)to
Funchal (FNC)
29/09/2026 - 16/11/2026
Round trip
Business
From
USD 6,226
Viewed 4 hours ago
Washington, D.C. (IAD)to
Funchal (FNC)
30/08/2026 - 04/09/2026
Round trip
Business
From
USD 6,401
Viewed 1 day ago
Washington, D.C. (IAD)to
Ponta Delgada (PDL)
03/09/2026 - 10/09/2026
Round trip
Business
From
USD 6,343
Viewed 10 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.
Best Flight Deals from Washington, D.C. to Portugal
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USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Washington, D.C. (IAD) | Lisbon (LIS) | Round trip | Economy | 22/10/2026 - 30/10/2026 | From USD 755 Viewed 11 hours ago | |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round trip | Economy | 30/09/2026 - 09/10/2026 | From USD 759 Viewed 1 day ago | |
| Washington, D.C. (IAD) | Porto (OPO) | Round trip | Economy | 30/03/2027 - 27/04/2027 | From USD 745 Viewed 13 hours ago | |
| Washington, D.C. (IAD) | Porto (OPO) | Round trip | Economy | 28/04/2027 - 08/05/2027 | From USD 795 Viewed 10 hours ago | |
| Washington, D.C. (IAD) | Funchal (FNC) | Round trip | Economy | 29/09/2026 - 16/11/2026 | From USD 957 Viewed 4 hours ago | |
| Washington, D.C. (IAD) | Funchal (FNC) | Round trip | Economy | 11/02/2027 - 16/02/2027 | From USD 1,018 Viewed 1 hour ago | |
| Washington, D.C. (IAD) | Ponta Delgada (PDL) | Round trip | Economy | 21/03/2027 - 26/03/2027 | From USD 947 Viewed 4 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.