LISPortela Airport
Lisbon, Portugal
IADWashington Dulles International Airport
Washington, United States
$7,334 USD
-49%$3,767 USD
Verified Sep 21, 2025 at 1:30 PMSeptember 2025
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
46% of dates checked are available within 10% of the lowest price
Thursday, September 18th, 2025
0 round-trip options
No flight details available for this date.