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Cheap Flights from Washington D.C. to Buenos Aires

Compare Washington D.C. to Buenos Aires flight deals

Find the cheapest month or even day of the year to fly to Buenos Aires

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Flight deals from Washington D.C. to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Buenos Aires? Find the lowest prices on one-way and return tickets right here.
Buenos Aires.R 4,899 per passenger.Departing Sun, 24 Aug.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Sun, 24 Aug, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 4,899, select.
Buenos Aires.R 4,911 per passenger.Departing Tue, 2 Sep.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Tue, 2 Sep, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 4,911, select.
Buenos Aires.R 4,932 per passenger.Departing Mon, 12 Jan.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Mon, 12 Jan, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 4,932, select.
Buenos Aires.R 4,981 per passenger.Departing Wed, 12 Nov.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Wed, 12 Nov, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 4,981, select.
Buenos Aires.R 4,982 per passenger.Departing Wed, 31 Dec.One-way flight with United.Outbound indirect flight with United, departs from Washington Dulles on Wed, 31 Dec, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 4,982, select.
Buenos Aires.R 5,010 per passenger.Departing Tue, 14 Oct.One-way flight with Avianca.Outbound indirect flight with Avianca, departs from Washington Dulles on Tue, 14 Oct, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,010, select.
Buenos Aires.R 5,044 per passenger.Departing Tue, 24 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 24 Mar, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,044, select.
Buenos Aires.R 6,233 per passenger.Departing Fri, 22 May.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Fri, 22 May, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 6,233, select.

Find the cheapest month to fly from Washington D.C. to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Buenos Aires flights are currently cheapest in August.
Aug
from R 4,899
Sep
from R 4,911
Oct
from R 5,010
Nov
from R 4,981
Dec
from R 4,982
Jan
from R 4,932
Feb
from R 7,502
Mar
from R 5,044
Apr
Find prices
May
from R 6,233
Jun
Find prices
Jul
from R 11,307

Alternative Washington D.C. to Buenos Aires routes

Looking for the cheapest, fastest or easiest route from Washington D.C. to Buenos Aires? You could fly into the following airports instead.

Washington D.C. to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight foundR 4,899
Cheapest month to flyAugust

Finding cheap flights from Washington D.C. to Buenos Aires: Frequently asked questions

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.
The best price we found for a return flight from Washington D.C. to Buenos Aires is R 11,372. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington D.C. to Buenos Aires. But we found flights with one or more stops from R 11,372.
As of August 2025, there are no flights flying from Washington D.C. to Buenos Aires.
The cheapest month to fly from Washington D.C. to Buenos Aires is usually August.
If you're flying from Washington D.C., the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the centre of Buenos Aires. We've found flights into this airport from R 11,372.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Buenos Aires on Monday, 18 August 2025.
No airlines currently offer direct flights between Washington D.C. and Buenos Aires. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buenos Aires but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buenos Aires is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 12°C. January is typically the warmest month in Buenos Aires, when it usually averages around 30°C. You can expect the least rain in June. The coldest month is July, with temperatures averaging 6°C. The rainiest month is March.
The cheapest airline that flies to Buenos Aires is Copa .

Flying from Washington DC to Buenos Aires: what you need to know

  • You can choose from a range of airports when planning your flight from Washington DC to Buenos Aires. Check out your options for departing Washington DC from Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • When it comes to landing in Buenos Aires, Jorge Newbery Airport (AEP) and Ministro Pistarini Airport (EZE) are the chief entry points.

  • Buenos Aires's timezone is UTC-3, making Buenos Aires one hour ahead of Washington DC.

  • Leave plenty of time to get on your Washington DC to Buenos Aires flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're heading away during a popular month like February, get to the terminal even earlier. It's smart to arrive up to four hours before an international flight and two hours ahead of domestic departures. Check-in and security lines are longer during peak periods like Thanksgiving, Christmas and New Year.

How to find the cheapest flights from Washington DC to Buenos Aires

  • Don't wait until the last moment. You're more likely to get cheap Washington DC to Buenos Aires flights if you book ahead. Airlines often offer some great early bird rates.

  • Finding cheap plane tickets from Washington DC to Buenos Aires is easy if you can be flexible with your trip dates. Use the 'Whole month' search function to see the lowest prices across every month and land a fantastic deal.

  • Getting a cheap flight from Washington DC to Buenos Aires is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when there's a better deal.

  • Tailor your trip using filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' Washington DC to Buenos Aires flights.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • Stopovers are the perfect opportunity to break up your journey — and maybe even tour another city. When searching for Washington DC to Buenos Aires flights departing from Ronald Reagan National Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:

    • Miami International Airport (MIA)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • George Bush Intercontinental Airport (IAH)

  • DCA is about 6 kilometres from central Washington DC. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 45 minutes.

  • Want a convenient hotel near Ronald Reagan National Airport? If you've booked an early flight from Washington DC to Buenos Aires, these accommodation options will have you sleeping moments from your departure gate:

  • Of the flights that depart from Ronald Reagan National Airport, 76.44% land on time at their destination.

  • The address for DCA is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Visit family or friends or just take a moment to stretch your legs with a stopover. If you'd like to break up your Washington DC to Buenos Aires flight, check out these options when heading out from Washington Dulles International Airport:

    • El Dorado International Airport (BOG)

    • Tocumen International Airport (PTY)

    • Dallas/Fort Worth International Airport (DFW)

  • With public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The airport is roughly 40 kilometres away. Driving will take you about 50 minutes.

  • You're going on holiday, so why not enjoy an additional night away? Think about staying at one of these hotels near Washington Dulles International Airport the day before your flight from Washington DC to Buenos Aires:

  • Looking at how often flights stay on schedule, Washington Dulles International Airport has an on-time arrival performance of 74.39%.

  • IAD is located at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Lock in a ticket from Washington DC to Buenos Aires out of Baltimore/Wash International Thurgood Marshall Airport (BWI) with one or more stops. Popular stopovers between BWI and Buenos Aires include:

    • Miami International Airport (MIA)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • George Bush Intercontinental Airport (IAH)

  • From the centre of Washington DC, BWI is around 40 kilometres away. It takes roughly 50 minutes to get there by car and 1 hour 30 minutes or so if you take public transport.

  • Make taking an early Washington DC to Buenos Aires flight the easiest part of your trip. Book a room at one of these hotels close to Baltimore/Wash International Thurgood Marshall Airport and get to your boarding gate with time to spare:

  • Flights that depart from BWI make it to their destination within the scheduled time frame 77.13% of the time.

Arriving in Buenos Aires

Jorge Newbery Airport (AEP)

  • The distance from Jorge Newbery Airport (AEP) to central Buenos Aires is roughly 6 kilometres. It'll take you around 20 minutes to get to the centre driving.

  • Travelling to the centre by public transport takes about 40 minutes.

  • If you're coming in on a late flight from Washington DC to Buenos Aires, few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near AEP:

  • Pick up a Jorge Newbery Airport rental car and discover Buenos Aires and beyond with your own wheels. Hertz, Localiza and rentar low cost are top providers you can book with here.

  • For the best deal, book your ride from Jorge Newbery Airport about one week ahead of your Washington DC to Buenos Aires flight.

Ministro Pistarini Airport (EZE)

  • Central Buenos Aires is approximately 24 kilometres from Ministro Pistarini Airport (EZE). Once your flight from Washington DC to Buenos Aires has hit the runway and you've made your way through the terminal, expect a drive of around 35 minutes.

  • Travelling by public transport will take around 2 hours 10 minutes.

  • After your flight from Washington DC to Buenos Aires, settle in at a hotel close to EZE. These are some comfortable options that'll help you sink into relaxation mode:

  • Hertz, Cactus and Localiza make collecting a Ministro Pistarini Airport rental car easy and quick. These suppliers are located in or around the terminal and will have you on your way in a heartbeat.

  • Get the lowest price by booking your ride from EZE one week ahead of time. You can also expect to have a greater range of vehicles.

Best time to go to Buenos Aires

  • It's time to choose your dates for your flight from Washington DC to Buenos Aires. August is the most popular month to travel to Buenos Aires. If you like a more relaxed atmosphere, go in April.

  • When booking your Washington DC to Buenos Aires tickets, think about what kind of weather you prefer. January is the warmest month in Buenos Aires, with temperatures ranging from 19ºC (66ºF) to 31ºC (88ºF).

  • For cooler conditions, search for a cheap flight from Washington DC to Buenos Aires in July when temperatures average between 5ºC (41ºF) and 15ºC (59ºF).

More about Buenos Aires

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Buenos Aires right here. Browse these options as soon as you've locked in your flight from Washington DC to Buenos Aires:

  • Obelisco de Buenos Aires and Recoleta Cemetery are a couple of major attractions to add to your Buenos Aires to-do list. Keep the momentum going by heading to Casa Rosada.

Explore more of Argentina

  • Buenos Aires will leave a lasting impression, but there are so many other parts of Argentina just waiting to be discovered. Around 274 kilometres north-west of Buenos Aires, a trip to Rosario will keep your itinerary busy. Check out popular attractions like Monumento a la Bandera (Flag Monument), Predio Ferial Parque de la Independencia and Parque Nacional a la Bandera.

  • La Plata is another standout destination in Argentina and is around 56 kilometres south-east of Buenos Aires. No journey is complete without dropping by Busto de Francisco Lopez Merino, Estacion circunvalacion and Museo Almafuerte.

Plan the rest of your trip from Washington D.C. to Buenos Aires

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.