Cheap flights from Washington DC to Portugal
Travel > Europe > Portugal
Check our current prices for flights from Washington DC to Portugal. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Washington DC to Portugal, you will need to run a search below.
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Cheap Lisbon airfares from $1014/RT are provided by Cheapoair.com. Outbound flight is leaving on 05/20/2025, 10:15 pm from Washington Dulles (IAD) airport and arrives at Lisbon Lisboa (LIS) at 10:20 am. The flight time is 12 hours and 5 minutes. The Returning flight departes on 06/03/2025, 05:30 pm (other return dates are also available). Date posted: 03 Jan 2025
Price evolution for flights From Washington DC To Portugal

Recent Deals on Flights from Washington DC to Portugal:Roundtrip / Oneway
- $1014
Tap Airways
cheapoair.com check priceFrom To Departure Time Washington DC, DC (IAD) Lisbon, PT (LIS) 05/20/2025 10:15 pm Lisbon, PT (LIS) Washington DC, DC (IAD) 06/03/2025 05:30 pm - $1058
British Airways
cheapoair.com check priceFrom To Departure Time Washington DC, DC (IAD) Lisbon, PT (LIS) 05/20/2025 10:40 pm Lisbon, PT (LIS) Washington DC, DC (IAD) 06/03/2025 08:25 am - We are sorry but currently there are no oneway offers for flights from Washington DC to Portugal.
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Know what to do when flying to Portugal?
Lisbon Travel Guide Lisbon, Portugal – Overview: Amazing Tourist Destination For Family And Friends Lisbon is the largest city and the only one, which is known for following modern ideas that are flourishing now. This city is the Capital of Portugal. It is [...]Lisbon History The history of Lisbon dates back to the Neolithic Age when the area was inhabited by the Iberian people. Megalith structures, chiefly Dolmens and Menhirs, still found in the outskirts of the present-city of Lisbon stand witness to that period [...]
Lisbon Sightseeing Lisbon is a city full of sights including parks and gardens to museums and centuries-old castles, belvederes and towers to modern-day stations. You will need to plan out your tour-itinerary well in advance so that you do not get lost amidst the [...]
Lisbon Nightlife Lisbon nightlife can be imagined with parties that go on until four or five in the morning, both on weekends and during the week. The traditional place to look for real Lisbon nightlife would be Bairro Alto with the wide array of canteen-like [...]