Flight from Washington, D.C. to Portugal with Air France from $793*
expand_more
1 Passenger, Economy
expand_moretoday
today
*Modifying this information may result in a different fare
Find your flight from Washington, D.C. to Portugal
flight_takeoff
flight_land
$
Washington, D.C. (IAD)to
Lisbon (LIS)04/27/2026 - 05/04/2026
From
$1,255
Seen: 5 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)04/29/2026 - 05/06/2026
From
$1,255
Seen: 5 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)04/28/2026 - 05/05/2026
From
$1,255
Seen: 5 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)05/01/2026 - 05/08/2026
From
$1,305
Seen: 8 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)05/03/2026 - 05/10/2026
From
$1,305
Seen: 8 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)04/27/2026 - 05/04/2026
From
$793
Seen: 22 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)04/28/2026 - 05/05/2026
From
$793
Seen: 22 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)04/29/2026 - 05/06/2026
From
$794
Seen: 22 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)04/27/2026 - 05/11/2026
From
$823
Seen: 22 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)04/28/2026 - 05/19/2026
From
$823
Seen: 22 hrs ago
Round-trip
Economy
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Check our flights from Washington, D.C. to Portugal for the upcoming months
flight_takeoff
flight_land
$
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 04/27/2026 - 05/04/2026 | From $1,255 Seen: 5 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 04/29/2026 - 05/06/2026 | From $1,255 Seen: 5 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 04/28/2026 - 05/05/2026 | From $1,255 Seen: 5 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 05/01/2026 - 05/08/2026 | From $1,305 Seen: 8 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 05/03/2026 - 05/10/2026 | From $1,305 Seen: 8 hrs ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 04/27/2026 - 05/04/2026 | From $793 Seen: 22 hrs ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 04/28/2026 - 05/05/2026 | From $793 Seen: 22 hrs ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 04/29/2026 - 05/06/2026 | From $794 Seen: 22 hrs ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 04/27/2026 - 05/11/2026 | From $823 Seen: 22 hrs ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 04/28/2026 - 05/19/2026 | From $823 Seen: 22 hrs ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Travel from Washington, D.C. to Portugal with Air France
Whether you're looking for a last-minute Washington, D.C. (IAD) to Portugal (Europe) flight or planning a flight at a later date, take advantage of our lowest prices for your travel dates on this site. Find the cheapest prices for a flight with Air France from Washington, D.C. (IAD) to Portugal (Europe) or directly pick your departure date if your trip to Portugal is already scheduled.