Flight from Washington, D.C. to Portugal with Air France from $794*
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1 Passenger, Economy
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today
*Modifying this information may result in a different fare
Find your flight from Washington, D.C. to Portugal
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$
Washington, D.C. (IAD)to
Lisbon (LIS)08/03/2026 - 08/17/2026
From
$1,295
Seen: 7 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)08/12/2026 - 08/19/2026
From
$1,295
Seen: 7 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)08/12/2026 - 08/26/2026
From
$1,295
Seen: 7 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)08/12/2026 - 09/09/2026
From
$1,295
Seen: 7 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Lisbon (LIS)08/17/2026 - 08/31/2026
From
$1,295
Seen: 7 hrs ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)08/17/2026 - 09/14/2026
From
$794
Seen: 42 minutes ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)08/17/2026 - 08/24/2026
From
$794
Seen: 42 minutes ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)08/17/2026 - 08/31/2026
From
$794
Seen: 42 minutes ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)08/17/2026 - 09/07/2026
From
$794
Seen: 42 minutes ago
Round-trip
Economy
Washington, D.C. (IAD)to
Porto (OPO)08/17/2026 - 08/20/2026
From
$801
Seen: 42 minutes ago
Round-trip
Economy
Browse all flight offers from Washington, D.C. to Portugal for the upcoming months
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 08/03/2026 - 08/17/2026 | From $1,295 Seen: 7 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 08/12/2026 - 08/19/2026 | From $1,295 Seen: 7 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 08/12/2026 - 08/26/2026 | From $1,295 Seen: 7 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 08/12/2026 - 09/09/2026 | From $1,295 Seen: 7 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | 08/17/2026 - 08/31/2026 | From $1,295 Seen: 7 hrs ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 08/17/2026 - 09/14/2026 | From $794 Seen: 42 minutes ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 08/17/2026 - 08/24/2026 | From $794 Seen: 42 minutes ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 08/17/2026 - 08/31/2026 | From $794 Seen: 42 minutes ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 08/17/2026 - 09/07/2026 | From $794 Seen: 42 minutes ago |
| Washington, D.C. (IAD) | Porto (OPO) | Round-trip / Economy | 08/17/2026 - 08/20/2026 | From $801 Seen: 42 minutes ago |
Travel from Washington, D.C. to Portugal with Air France
Whether you're looking for a last-minute Washington, D.C. (WAS) Portugal (Europe) flight or a flight to a destination more further afield, take advantage of our lowest prices for your travel dates on this site. Find the cheapest prices for a flight with Air France Washington, D.C. (WAS) Portugal (Europe) or directly pick up your departure date if your trip Portugal is already scheduled.