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Ronald Reagan Washington National Airport to Buenos Aires flight

Explore the cheapest one-way and round-trip flights from Ronald Reagan Washington National Airport to Buenos Aires over the next 90 days, with one-way fares from US$277 and round-trip from US$735. Based on Trip.com's latest 7-day flight data.

      • DCA 06:59
        22h 36m
        1 stop
        EZE 07:35
        Washington D.C. - Buenos Aires | Fri, Nov 20 | LATAM Airlines
        EZE 23:35
        13h 51m
        1 stop
        DCA 11:26
        Buenos Aires - Washington D.C. | Thu, Nov 26 | LATAM Airlines
        US$735 US$1,428
        49% off
        49% off
        US$1,428 US$735
      • DCA 13:45
        18h 55m
        1 stop
        EZE 09:40
        Washington D.C. - Buenos Aires | Wed, Oct 7 | Delta Air Lines
        EZE 03:48
        25h 32m
        1 stop
        IAD 04:20
        Buenos Aires - Washington D.C. | Mon, Oct 12 | Copa Airlines
        US$745 US$1,428
        48% off
        48% off
        US$1,428 US$745
      • DCA 13:45
        18h 55m
        1 stop
        EZE 09:40
        Washington D.C. - Buenos Aires | Wed, Oct 7 | LATAM Airlines
        EZE 14:49
        14h 31m
        1 stop
        IAD 04:20
        Buenos Aires - Washington D.C. | Mon, Oct 12 | Copa Airlines
        US$749 US$1,428
        48% off
        48% off
        US$1,428 US$749
      • DCA 17:02
        15h 53m
        1 stop
        EZE 10:55
        Washington D.C. - Buenos Aires | Tue, Dec 1 | Delta Air Lines
        EZE 21:30
        16h 8m
        1 stop
        DCA 11:38
        Buenos Aires - Washington D.C. | Tue, Dec 8 | Delta Air Lines
        US$837
        41% off
        US$1,428 US$837
      • DCA 09:00
        22h 40m
        1 stop
        EZE 09:40
        Washington D.C. - Buenos Aires | Tue, Dec 1 | LATAM Airlines
        EZE 21:30
        16h 8m
        1 stop
        DCA 11:38
        Buenos Aires - Washington D.C. | Tue, Dec 8 | LATAM Airlines
        US$837
        41% off
        US$1,428 US$837
      • DCA 17:02
        15h 53m
        1 stop
        EZE 10:55
        Washington D.C. - Buenos Aires | Mon, Nov 30 | Delta Air Lines
        EZE 20:05
        23h 28m
        1 stop
        IAD 17:33
        Buenos Aires - Washington D.C. | Mon, Dec 7 | Delta Air Lines
        US$838
        41% off
        US$1,428 US$838
      • DCA 18:59
        36h 1m
        1 stop
        EZE 09:00
        Washington D.C. - Buenos Aires | Fri, Nov 20 | American Airlines
        EZE 22:25
        17h 18m
        1 stop
        IAD 13:43
        Buenos Aires - Washington D.C. | Thu, Nov 26 | American Airlines
        US$944
        34% off
        US$1,428 US$944
      • DCA 17:14
        15h 21m
        1 stop
        EZE 10:35
        Washington D.C. - Buenos Aires | Tue, Dec 1 | American Airlines
        EZE 22:50
        13h 42m
        1 stop
        DCA 10:32
        Buenos Aires - Washington D.C. | Tue, Dec 8 | American Airlines
        US$1,006
        30% off
        US$1,428 US$1,006
      • DCA 17:14
        15h 21m
        1 stop
        EZE 10:35
        Washington D.C. - Buenos Aires | Mon, Nov 30 | American Airlines
        EZE 10:10
        14h 8m
        1 stop
        DCA 22:18
        Buenos Aires - Washington D.C. | Mon, Dec 7 | American Airlines
        US$1,007
        28% off
        US$1,428 US$1,007
      • DCA 19:30
        35h 30m
        1 stop
        EZE 08:00
        Washington D.C. - Buenos Aires | Wed, Oct 7 | United Airlines
        EZE 21:00
        26h 30m
        1 stop
        IAD 22:30
        Buenos Aires - Washington D.C. | Fri, Oct 9 | United Airlines
        US$1,025
        28% off
        US$1,428 US$1,025
      • DCA 19:36
        33h 44m
        1 stop
        EZE 07:20
        Washington D.C. - Buenos Aires | Fri, Nov 20 | United Airlines
        EZE 23:55
        18h 14m
        1 stop
        DCA 16:09
        Buenos Aires - Washington D.C. | Thu, Nov 26 | United Airlines
        US$1,026
        28% off
        US$1,428 US$1,026
      • DCA 19:33
        33h 47m
        1 stop
        EZE 07:20
        Washington D.C. - Buenos Aires | Tue, Dec 1 | United Airlines
        EZE 23:55
        26h 2m
        1 stop
        DCA 23:57
        Buenos Aires - Washington D.C. | Tue, Dec 8 | United Airlines
        US$1,042
        27% off
        US$1,428 US$1,042
      • WAS 13:00
        17h 25m
        1 stop
        BUE 14:00
        Washington D.C. - Buenos Aires | Thu, Oct 8 | Normal Airline
        BUE 15:00
        6h
        Direct
        WAS 16:00
        Buenos Aires - Washington D.C. | Sat, Oct 10 | Normal Airline
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      • DCA 13:45
        18h 5m
        1 stop
        EZE 09:50
        Washington D.C. - Buenos Aires | Fri, Nov 13 | Delta Air Lines
        US$277 US$474
        42% off
        42% off
        US$474 US$277
      • DCA 20:40
        32h 55m
        1 stop
        EZE 07:35
        Washington D.C. - Buenos Aires | Thu, Nov 12 | Delta Air Lines
        US$282 US$474
        41% off
        41% off
        US$474 US$282
      • DCA 17:12
        15h 28m
        1 stop
        EZE 10:40
        Washington D.C. - Buenos Aires | Fri, Nov 13 | American Airlines
        US$290 US$474
        39% off
        39% off
        US$474 US$290
      • DCA 06:59
        22h 36m
        1 stop
        EZE 07:35
        Washington D.C. - Buenos Aires | Fri, Nov 13 | LATAM Airlines
        US$309
        35% off
        US$474 US$309
      • DCA 11:05
        21h 50m
        1 stop
        EZE 10:55
        Washington D.C. - Buenos Aires | Mon, Nov 30 | Delta Air Lines
        US$318
        33% off
        US$474 US$318
      • DCA 14:39
        14h 41m
        1 stop
        EZE 07:20
        Washington D.C. - Buenos Aires | Sat, Dec 5 | American Airlines
        US$341
        28% off
        US$474 US$341
      • DCA 09:00
        23h 45m
        1 stop
        EZE 09:45
        Washington D.C. - Buenos Aires | Wed, Oct 21 | LATAM Airlines
        US$342
        28% off
        US$474 US$342
      • DCA 16:00
        16h 45m
        1 stop
        EZE 09:45
        Washington D.C. - Buenos Aires | Tue, Oct 20 | LATAM Airlines
        US$344
        27% off
        US$474 US$344
      • DCA 07:59
        23h 41m
        1 stop
        EZE 09:40
        Washington D.C. - Buenos Aires | Sun, Nov 22 | Delta Air Lines
        US$345
        27% off
        US$474 US$345
      • DCA 12:39
        19h 1m
        1 stop
        EZE 09:40
        Washington D.C. - Buenos Aires | Wed, Dec 2 | Delta Air Lines
        US$345
        27% off
        US$474 US$345
      • DCA 07:59
        23h 41m
        1 stop
        EZE 09:40
        Washington D.C. - Buenos Aires | Sun, Nov 29 | Delta Air Lines
        US$346
        27% off
        US$474 US$346
      • DCA 13:20
        19h 35m
        1 stop
        EZE 10:55
        Washington D.C. - Buenos Aires | Sat, Nov 28 | Delta Air Lines
        US$346
        27% off
        US$474 US$346
      • WAS 13:00
        17h 25m
        1 stop
        BUE 14:00
        Washington D.C. - Buenos Aires | Thu, Oct 8 | Normal Airline
        Find more flights
        Find more flights

Flight prices from Ronald Reagan Washington National Airport to Buenos Aires are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

Which airlines are the most popular for Ronald Reagan Washington National Airport to Buenos Aires flights?

See which airlines fly from Ronald Reagan Washington National Airport to Buenos Aires. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
United Airlines logo United Airlines

Flight Schedule from Ronald Reagan Washington National Airport to Buenos Aires

Check the schedule for flights from Ronald Reagan Washington National Airport to Buenos Aires and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL712

    Ronald Reagan Washington National Airport

    19:40

    DCA

    1h 58m

    Direct

    21:38

    ATL

    S M T W T - S
    Search

  2. LA8873

    Hartsfield–Jackson Atlanta International Airport

    23:00

    ATL

    9h 45m

    Direct

    09:45

    EZE

    S M T W T F S

  3. DL850

    Ronald Reagan Washington National Airport

    18:25

    DCA

    2h 3m

    Direct

    20:28

    ATL

    S M T W T F S
    Search

  4. LA8873

    Hartsfield–Jackson Atlanta International Airport

    23:00

    ATL

    9h 45m

    Direct

    09:45

    EZE

    S M T W T F S

  5. AA4781

    Ronald Reagan Washington National Airport

    17:24

    DCA

    1h 47m

    Direct

    19:11

    JFK

    S M T W T F S
    Search

  6. AA953

    John F. Kennedy International Airport

    22:00

    JFK

    10h 40m

    Direct

    10:40

    EZE

    S M T W T F S

  7. DL360

    Ronald Reagan Washington National Airport

    16:28

    DCA

    2h 1m

    Direct

    18:29

    ATL

    S M T W T F S
    Search

  8. LA8873

    Hartsfield–Jackson Atlanta International Airport

    23:00

    ATL

    9h 45m

    Direct

    09:45

    EZE

    S M T W T F S

  9. DL2576

    Ronald Reagan Washington National Airport

    14:55

    DCA

    2h 48m

    Direct

    17:43

    MIA

    S M T W T F S
    Search

  10. DL6019

    Miami International Airport

    23:40

    MIA

    9h

    Direct

    09:40

    EZE

    S M T W T - S

  11. DL2576

    Ronald Reagan Washington National Airport

    14:55

    DCA

    2h 48m

    Direct

    17:43

    MIA

    S M T W T F S
    Search

  12. LA543

    Miami International Airport

    23:40

    MIA

    9h

    Direct

    09:40

    EZE

    S M T W T - S

  13. DL380

    Ronald Reagan Washington National Airport

    12:05

    DCA

    1h 58m

    Direct

    14:03

    ATL

    S M T W T F S
    Search

  14. DL101

    Hartsfield–Jackson Atlanta International Airport

    22:55

    ATL

    8h 50m

    Direct

    09:45

    EZE

    S M T W T F S

  15. DL343

    Ronald Reagan Washington National Airport

    08:20

    DCA

    2h 5m

    Direct

    10:25

    ATL

    S M T W T F S
    Search

  16. DL101

    Hartsfield–Jackson Atlanta International Airport

    22:55

    ATL

    8h 50m

    Direct

    09:45

    EZE

    S M T W T F S

  17. DL455

    Ronald Reagan Washington National Airport

    09:00

    DCA

    2h 3m

    Direct

    11:03

    ATL

    S M T W T F S
    Search

  18. LA8873

    Hartsfield–Jackson Atlanta International Airport

    23:00

    ATL

    9h 45m

    Direct

    09:45

    EZE

    S M T W T F S

  19. DL455

    Ronald Reagan Washington National Airport

    09:00

    DCA

    2h 3m

    Direct

    11:03

    ATL

    S M T W T F S
    Search

  20. DL101

    Hartsfield–Jackson Atlanta International Airport

    22:55

    ATL

    8h 50m

    Direct

    09:45

    EZE

    S M T W T F S
Find more flights and airlines

What to know about flights from Ronald Reagan Washington National Airport to Buenos Aires?

Cheapest one-way flight price US$277
Off-season for travel November
Peak season for travel January

FAQs for Ronald Reagan Washington National Airport to Buenos Aires Flights

  • When is peak season for travel to Buenos Aires?

    ؜The peak travel time for visiting Buenos Aires is October. During this time, flights from Ronald Reagan Washington National Airport to Buenos Aires are the most expensive. Cheap tickets can still be booked on Trip.com.
  • There are 2 airports near Buenos Aires: Jorge Newbery Airport and Ezeiza International Airport.
    • The distance from Jorge Newbery Airport to downtown is about 5km, by taxi about 20 minutes.
    • The distance from Ezeiza International Airport to downtown is about 27km, by taxi about 40 minutes.
  • The cheapest one-way flight from Ronald Reagan Washington National Airport to Buenos Aires currently starts from US$277, with round-trip fares from US$735. The lowest fare is offered by Delta Air Lines departing on Fri, Nov 13; prices are subject to availability.
  • Currently, multiple airlines offer flights from Ronald Reagan Washington National Airport to Buenos Aires, including: American Airlines LATAM Airlines Delta Air Lines United Airlines The selected airlines are based on Trip.com user booking data from the past 90 days.
  • Based on Trip.com flight data for departures within the next 30 days, the average one-way fare from Ronald Reagan Washington National Airport to Buenos Aires is US$789, and the average round-trip fare is null. Prices may vary depending on the departure date, airline, and availability.

Popular Destinations & Recommendations

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

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