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Flights from Washington D.C. to Buenos Aires
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Cheap flight deals from Washington D.C. to Buenos Aires Starting at MYR 1,184

For as little as MYR 1,184, you can take your next adventure to Buenos Aires without breaking the bank. Choose between one-way and return tickets from Washington D.C. below.

  • One way
  • Round-trip
      • IAD08:25
        20h 55m
        1 stop
        EZE07:20
        Sat, Feb 22|Washington D.C. - Buenos Aires|United Airlines
        MYR 1,184MYR 1,949
        39% OFF
        39% OFF
        MYR 1,949MYR 1,184

        Choose United Airlines flights from Washington D.C. to Buenos Aires. The one-way connecting flight with United Airlines departs from Dulles International Airport on Sat, Feb 22, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,184 including taxes and charges.

      • DCA08:05
        23h 15m
        1 stop
        EZE09:20
        Sun, Feb 23|Washington D.C. - Buenos Aires|United Airlines
        MYR 1,186MYR 1,949
        39% OFF
        39% OFF
        MYR 1,949MYR 1,186

        Choose United Airlines flights from Washington D.C. to Buenos Aires. The one-way connecting flight with United Airlines departs from Ronald Reagan Washington National Airport on Sun, Feb 23, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,186 including taxes and charges.

      • DCA11:00
        20h 20m
        1 stop
        EZE08:20
        Wed, Mar 26|Washington D.C. - Buenos Aires|United Airlines
        MYR 1,209MYR 1,949
        38% OFF
        38% OFF
        MYR 1,949MYR 1,209

        Choose United Airlines flights from Washington D.C. to Buenos Aires. The one-way connecting flight with United Airlines departs from Ronald Reagan Washington National Airport on Wed, Mar 26, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,209 including taxes and charges.

      • DCA14:39
        14h 41m
        1 stop
        EZE07:20
        Tue, Feb 25|Washington D.C. - Buenos Aires|United Airlines
        MYR 1,217
        MYR 1,217

        Choose United Airlines flights from Washington D.C. to Buenos Aires. The one-way connecting flight with United Airlines departs from Ronald Reagan Washington National Airport on Tue, Feb 25, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,217 including taxes and charges.

      • DCA11:00
        20h 20m
        1 stop
        EZE09:20
        Mon, Feb 24|Washington D.C. - Buenos Aires|United Airlines
        MYR 1,228
        MYR 1,228

        Choose United Airlines flights from Washington D.C. to Buenos Aires. The one-way connecting flight with United Airlines departs from Ronald Reagan Washington National Airport on Mon, Feb 24, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,228 including taxes and charges.

      • IAD02:19
        18h 52m
        1 stop
        EZE22:11
        Tue, Apr 1|Washington D.C. - Buenos Aires|Copa Airlines
        MYR 1,242
        MYR 1,242

        Choose Copa Airlines flights from Washington D.C. to Buenos Aires. The one-way connecting flight with Copa Airlines departs from Dulles International Airport on Tue, Apr 1, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,242 including taxes and charges.

      • IAD07:25
        23h 35m
        1 stop
        EZE09:00
        Sun, Feb 23|Washington D.C. - Buenos Aires|Delta Air Lines
        MYR 1,317
        MYR 1,317

        Choose Delta Air Lines flights from Washington D.C. to Buenos Aires. The one-way connecting flight with Delta Air Lines departs from Dulles International Airport on Sun, Feb 23, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,317 including taxes and charges.

      • DCA13:59
        18h 46m
        1 stop
        EZE09:45
        Tue, Apr 15|Washington D.C. - Buenos Aires|Delta Air Lines
        MYR 1,317
        MYR 1,317

        Choose Delta Air Lines flights from Washington D.C. to Buenos Aires. The one-way connecting flight with Delta Air Lines departs from Ronald Reagan Washington National Airport on Tue, Apr 15, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,317 including taxes and charges.

      • IAD07:10
        16h 5m
        1 stop
        EZE00:15
        Mon, Mar 17|Washington D.C. - Buenos Aires|avianca
        MYR 1,352
        MYR 1,352

        Choose avianca flights from Washington D.C. to Buenos Aires. The one-way connecting flight with avianca departs from Dulles International Airport on Mon, Mar 17, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,352 including taxes and charges.

      • IAD07:10
        16h 5m
        1 stop
        EZE00:15
        Fri, Mar 28|Washington D.C. - Buenos Aires|avianca
        MYR 1,363
        MYR 1,363

        Choose avianca flights from Washington D.C. to Buenos Aires. The one-way connecting flight with avianca departs from Dulles International Airport on Fri, Mar 28, arriving at Ministro Pistarini International Airport. One-way Prices start from MYR 1,363 including taxes and charges.

      • WAS01:00 pm
        3h 5m
        Nonstop
        BUE02:00 pm
        Fri, Feb 28|Washington D.C. - Buenos Aires|United Airlines
        Find More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Washington D.C. to Buenos Aires flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. CM403

    Copa Airlines

    02:21

    IAD

    4.9h

    06:13

    PTY

    SM-WTF-
    Search

  2. CM219

    Copa Airlines

    12:58

    PTY

    7.2h

    22:11

    EZE

    SMTWTFS

  3. AV149

    avianca

    06:10

    IAD

    5.5h

    11:40

    BOG

    S-T-T-S
    Search

  4. AV9306

    avianca

    14:47

    BOG

    1.0h

    15:48

    MDE

    SMTWTFS

  5. AV111

    avianca

    17:00

    MDE

    6.4h

    01:25

    EZE

    SMTWTFS

  6. AV149

    avianca

    06:10

    IAD

    5.5h

    11:40

    BOG

    S-T-T-S
    Search

  7. AV217

    avianca

    16:00

    BOG

    6.2h

    00:10

    EZE

    SMTWTFS

  8. CM357

    Copa Airlines

    09:32

    IAD

    5.0h

    13:31

    PTY

    SMTWTFS
    Search

  9. CM493

    Copa Airlines

    15:35

    PTY

    3.7h

    19:15

    LIM

    SMTWTFS

  10. JA3841

    JetSMART Airlines

    22:05

    LIM

    4.3h

    04:20

    AEP

    SMTWTFS

  11. CM357

    Copa Airlines

    09:32

    IAD

    5.0h

    13:31

    PTY

    SMTWTFS
    Search

  12. CM504

    Copa Airlines

    15:25

    PTY

    7.4h

    00:49

    EZE

    SMTWTFS

  13. CM357

    Copa Airlines

    09:32

    IAD

    5.0h

    13:31

    PTY

    SMTWTFS
    Search

  14. CM167

    Copa Airlines

    15:34

    PTY

    7.2h

    00:47

    EZE

    SMTWTFS

  15. UA382

    United Airlines

    12:30

    DCA

    3.7h

    15:13

    IAH

    SMTWTFS
    Search

  16. UA819

    United Airlines

    20:15

    IAH

    9.8h

    08:00

    EZE

    SMTWTFS

  17. AV247

    avianca

    14:20

    IAD

    5.5h

    19:50

    BOG

    SMTWTFS
    Search

  18. AV087

    avianca

    21:25

    BOG

    6.7h

    06:05

    EZE

    SMTWTFS

  19. UA1381

    United Airlines

    14:50

    DCA

    3.6h

    17:24

    IAH

    SMTWT-S
    Search

  20. UA831

    United Airlines

    18:30

    IAH

    9.8h

    07:20

    EZE

    SMTWTFS

  21. AA4632

    American Airlines

    19:45

    DCA

    1.4h

    21:08

    JFK

    SMTWTFS
    Search

  22. AA953

    American Airlines

    22:25

    JFK

    10.8h

    10:15

    EZE

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Washington D.C. to Buenos Aires?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Buenos Aires from Washington D.C. have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are 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 lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Washington D.C. (WAS) to Buenos Aires (BUE) cost?

    According to Trip.com's data, the lowest price is around MYR 4,749.

  • 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 27 km, by taxi about 40 minutes.
    • The distance from Jorge Newbery Airport to downtown is about 5 km, by taxi about 20 minutes.

  • How many airports are there in Buenos Aires (BUE)?

    There are 2 airport(s) near Buenos Aires (BUE): Jorge Newbery Airport and Ministro Pistarini International Airport.

How to find a cheap flight from Washington D.C. to Buenos Aires

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Being flexible with your dates to get the cheapest Washington D.C. to Buenos Aires ticket.
Tap "Date" on flight search bar to scan through the calender for Washington D.C. to Buenos Aires airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sat, Feb 22 at MYR 1184 for one-way flights.
2
Compare cheap Washington D.C. to Buenos Aires flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Washington D.C. to Buenos Aires. The cheapest airline operating is United Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Washington D.C. to Buenos Aires route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Washington D.C. to Buenos Aires flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Washington D.C. to Buenos Aires to get exclusive deals for you.

Flight Info | Washington D.C. to Buenos Aires

Cheapest direct flight priceMYR 1,184
Off-season for travelFebruary
Peak season for travelNovember
Flight distance8,390.77 km
Popular airlineavianca

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