Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from Washington DC Washington Dulles International Airport to Lisbon, across the seven airlines that offer this route. We've found that 23 / Feb / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
The most popular airlines offering flights to Lisbon are British Airways, Air Canada & Lufthansa. British Airways is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?
The distance between Washington DC Washington Dulles International Airport to Lisbon is 5770 km. Normally, it takes about 12 hrs 20 mins to fly, and you can definitely expect the journey to be at least 7 hrs 5 mins. You can see the various flight times in the results.
If you need somewhere to stay for your trip to Portugal, take a look at our accommodation options.
