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Find cheap one-way flights from Washington D.C. to Lisbon starting at US$243.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Washington D.C. to Lisbon?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Washington D.C. to Lisbon

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

American Airlines
From US$242
PLAY Airline
From US$242
United Airlines
From US$346
Royal Air Maroc
From US$351
Jetblue Airways
From US$393
Scandinavian Airlines
From US$404
TAP Air Portugal
From US$419
Porter Airlines
From US$419
Virgin Atlantic
From US$439
British Airways
From US$447
ANA airlines

Find more flights and airlines

Find cheap flights from Washington D.C. to Lisbon by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Washington D.C. to Lisbon.

  • Cheapest
    American Airlines
    DCA
    13:44
    28h 51m
    2 transfer
    LIS
    23:35
    Ronald Reagan Washington National Airport - Humberto Delgado Airport
    Mon, Apr 15American Airlines
    US$242
  • PLAY Airline
    IAD
    18:50
    21h 25m
    2 transfer
    LIS
    21:15
    Dulles International Airport - Humberto Delgado Airport
    Mon, Apr 8PLAY Airline
    US$242
  • PLAY Airline
    IAD
    18:50
    21h 25m
    2 transfer
    LIS
    21:15
    Dulles International Airport - Humberto Delgado Airport
    Mon, Apr 8PLAY Airline
    US$242
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Washington D.C. (WAS) to Lisbon (LIS) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Lisbon based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Washington D.C. (WAS) to Lisbon (LIS) cost?

    According to Trip.com's data, the lowest price is around $1,329.
  • How long does it take to fly from Washington D.C. (WAS) to Lisbon (LIS) and what is the distance?

    It takes around 7 hours 18 minutes to fly from Washington D.C. (WAS) to Lisbon (LIS).
  • What is the transportation method from the main airport to downtown in Lisbon?

    • The distance from Humberto Delgado Airport to downtown is about 5km. It takes about 20 minutes by taxi.
  • What are the most popular airlines that fly from Washington D.C. (WAS) to Lisbon (LIS)?

    Airlines with flights from Washington D.C. (WAS) to Lisbon (LIS): TAP Air Portugal, Lufthansa, United Airlines and Air Canada.

Washington D.C. to Lisbon Flight Information

Cheapest nonstop flight price

$243

Cheapest round-trip ticket price

$572

Off-season for travel

December

Peak season for travel

September