
$563 Cheap United flights Washington (IAD) to Lisbon (LIS)
Prices were available within the past 7 days and start at $563 for one-way flights and $977 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 13 - Thu, Mar 19
IAD
Washington
LIS
Lisbon
$977 Roundtrip, found 2 days ago
$977
Roundtrip
found 2 days ago
Travel information
Travel information
Origin airport | Washington Dulles Intl. |
Destination airport | Humberto Delgado |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Finnair, JetBlue Airways, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United |
Popular airline | United |
Distance | 5732 km |
Average flight time | 12 hours 18 mins |
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Most Popular United Routes from Washington
- Hartford to Fort Lauderdale (BDL - FLL)
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- Buffalo to Greensboro (BUF - GSO)
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Popular Domestic Routes in Humberto Delgado
- Dallas to Knoxville (DFW - TYS)
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- Phoenix to Hartford (PHX - BDL)
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- Boise to Fort Lauderdale (BOI - FLL)
- Buffalo to Greensboro (BUF - GSO)
- Baltimore to Reno (BWI - RNO)
- Dallas to Honolulu (DFW - HNL)
- Charlottesville to San Juan (CHO - SJU)