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Cheap Flights from Washington D.C. to Buenos Aires starting at S$ 389

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

  • One way
  • Round-trip

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

Cheapest time to fly from Washington D.C. to Buenos Aires

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

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Washington D.C. to Buenos Aires

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

Avianca
From S$ 374
Copa Airlines
From S$ 462
Southwest Airlines
From S$ 468
United Airlines
From S$ 493
LATAM Airlines
From S$ 505
Delta Air Lines
From S$ 505
Allegiant Air
From S$ 566
Jetblue Airways
From S$ 590
American Airlines
From S$ 594
Aerolineas Argentinas
From S$ 636
ANA airlines

Find more flights and airlines

Alternative Routes from Washington D.C. to Buenos Aires

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

  • Cheapest
    Avianca
    IAD
    01:05
    22h 0m
    2 transfer
    EZE
    00:05
    Dulles International Airport - Ministro Pistarini International Airport
    Fri, Jun 7Avianca
    S$ 374
  • Avianca
    IAD
    07:45
    29h 35m
    2 transfer
    AEP
    14:20
    Dulles International Airport - Jorge Newbery Airport
    Wed, Apr 3Avianca
    S$ 407
  • Southwest Airlines
    DCA
    06:55
    23h 45m
    2 transfer
    EZE
    07:40
    Ronald Reagan Washington National Airport - Ministro Pistarini International Airport
    Mon, Apr 29Southwest Airlines
    S$ 468
  • Southwest Airlines
    DCA
    06:55
    23h 45m
    2 transfer
    EZE
    07:40
    Ronald Reagan Washington National Airport - Ministro Pistarini International Airport
    Mon, Apr 29Southwest Airlines
    S$ 468
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Washington D.C. (WAS) to Buenos Aires (BUE) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Buenos Aires based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Washington D.C. (WAS) to Buenos Aires (BUE) cost?

    According to Trip.com's data, the lowest price is around S$ 1,678.
  • What is the transportation method from the main airport to downtown in Buenos Aires?

    • The distance from Ministro Pistarini International Airport to downtown is about 27km, by taxi about 40 minutes.
    • The distance from Jorge Newbery Airport to downtown is about 5km, by taxi about 20 minutes.
  • How many airports in Buenos Aires?

    There are 2 airports near Buenos Aires: Jorge Newbery Airport and Ministro Pistarini International Airport.

Find cheapest flight ticket from Washington D.C. to Buenos Aires

Cheapest direct flight price

S$ 389

Cheapest month

December

Peak season for travel

October