Flights from Washington, D.C. to Portugal from 451 EUR
Best Flight Deals from Washington, D.C. to Portugal
Washington, D.C. (IAD)to
Lisbon (LIS)Washington, D.C. (IAD)to
Lisbon (LIS)Washington, D.C. (IAD)to
Porto (OPO)Washington, D.C. (IAD)to
Porto (OPO)*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
Washington, D.C. (IAD)to
Round trip
Business
Washington, D.C. (IAD)to
Round trip
Business
Washington, D.C. (IAD)to
Round trip
Business
Washington, D.C. (IAD)to
Round trip
Business
*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
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Washington, D.C. (IAD) | Lisbon (LIS) | Round trip | Economy | 19/03/2026 - 25/03/2026 | From 472 EUR Viewed 5 hours ago | |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round trip | Economy | 24/07/2026 - 20/08/2026 | From 834 EUR Viewed 14 hours ago | |
| Washington, D.C. (IAD) | Porto (OPO) | Round trip | Economy | 20/03/2026 - 23/03/2026 | From 451 EUR Viewed 18 hours ago | |
| Washington, D.C. (IAD) | Porto (OPO) | Round trip | Economy | 05/05/2026 - 15/05/2026 | From 513 EUR 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.