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Cheap Flights from Washington Ronald Reagan to Buenos Aires

Compare Washington Ronald Reagan 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 Ronald Reagan Airport to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan Airport to Buenos Aires? If you want to travel next month, return fares start from R 10,691. Find the lowest prices on one-way and return tickets right here.
Buenos Aires.R 5,250 per passenger.Departing Wed, 29 Apr.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Wed, 29 Apr, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,250, select.
Buenos Aires.R 5,257 per passenger.Departing Mon, 18 May.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Mon, 18 May, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,257, select.
Buenos Aires.R 5,261 per passenger.Departing Mon, 7 Sep.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Mon, 7 Sep, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,261, select.
Buenos Aires.R 5,292 per passenger.Departing Wed, 3 Jun.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Wed, 3 Jun, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,292, select.
Buenos Aires.R 5,309 per passenger.Departing Tue, 19 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Tue, 19 Jan, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,309, select.
Buenos Aires.R 5,309 per passenger.Departing Wed, 1 Jul.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Wed, 1 Jul, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,309, select.
Buenos Aires.R 5,309 per passenger.Departing Wed, 12 Aug.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Wed, 12 Aug, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,309, select.
Buenos Aires.R 5,343 per passenger.Departing Sat, 24 Oct.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Sat, 24 Oct, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,343, select.
Buenos Aires.R 5,343 per passenger.Departing Sun, 21 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Sun, 21 Feb, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,343, select.
Buenos Aires.R 8,319 per passenger.Departing Thu, 5 Nov.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Thu, 5 Nov, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 8,319, select.
Buenos Aires.R 9,718 per passenger.Departing Thu, 24 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Thu, 24 Dec, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 9,718, select.

Find the cheapest month to fly from Washington Ronald Reagan to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Ronald Reagan to Buenos Aires flights are currently cheapest in April.
Apr
from R 5,239
May
from R 5,246
Jun
from R 5,281
Jul
from R 5,297
Aug
from R 5,297
Sep
from R 5,249
Oct
from R 5,331
Nov
from R 8,301
Dec
from R 9,697
Jan
from R 5,297
Feb
from R 5,331
Mar
Find prices

Alternative Washington Ronald Reagan to Buenos Aires routes

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

Buenos Aires Jorge Newbery

7km from central Buenos Aires
Closest
from R 5,953
Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires
Cheapest
from R 5,239
Search flights

Washington D.C. to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight foundR 5,239
Cheapest month to flyApril

Finding cheap flights from Washington Ronald Reagan 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 Ronald Reagan to Buenos Aires is R 10,178. 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 Ronald Reagan to Buenos Aires. But we found flights with one or more stops from R 10,156.
As of April 2026, there are no flights flying from Washington Ronald Reagan to Buenos Aires.
The cheapest month to fly from Washington Ronald Reagan to Buenos Aires is usually April.
If you're flying from Washington Ronald Reagan Airport, 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 10,178.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to Buenos Aires on Sunday, 26 April 2026.
No airlines currently offer direct flights between Washington Ronald Reagan Airport 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 April, the average temperature is usually around 17°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.
Currently, United offers the cheapest flight tickets to Buenos Aires.

Travelling from Ronald Reagan National Airport (DCA) to Buenos Aires: what you need to know

  • Buenos Aires is one hour ahead of Washington DC, where Ronald Reagan National Airport is located. Buenos Aires observes the UTC-3 timezone.

  • For a relaxed start to your DCA to Buenos Aires flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general rule.

  • Travelling during a peak time like a bank holiday? Expect longer queues at security and check-in. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

  • Consider adding a stopover to potentially find a cheaper flight ticket from DCA to Buenos Aires. All you need to do is deselect 'Direct flights only' during your search. Take a break (and maybe save some cash) by stopping at one of these connecting airports:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • John F. Kennedy International Airport (JFK)

    • George Bush Intercontinental Airport (IAH)

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

  • Planning to catch an early flight from Ronald Reagan National Airport to Buenos Aires? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near DCA:

  • When it comes to the on-time performance of Ronald Reagan National Airport, data shows 76.44% of flights stick to their scheduled arrival time.

  • The address for DCA is 1 Aviation Circle.

How to find the cheapest flights from Ronald Reagan National Airport (DCA) to Buenos Aires

  • R 5,250 is the cheapest price we've found for a one-way Ronald Reagan National Airport to Buenos Aires flight. A return ticket right now is R 10,156. Depending on how early you book and the availability, these fares can change.

  • To pick up cheap flights from DCA to Buenos Aires, book ahead. Airlines typically offer the most competitive fares when tickets first go on sale.

  • The 'Whole month' tool will show you the cheapest tickets from Ronald Reagan National Airport to Buenos Aires throughout the entire month. It's a great way to find a bargain if your trip dates aren't set in stone.

  • Stay on top of deals for cheap flights from DCA to Buenos Aires by setting up a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

  • Save money on your flight from Ronald Reagan National Airport to Buenos Aires with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Buenos Aires

Jorge Newbery Airport (AEP)

  • Jorge Newbery Airport (AEP) is around 14 kilometres from the centre of Buenos Aires. If you're catching a cab or a ride-share, the drive will take roughly 20 minutes.

  • When travelling by public transport, expect a journey time of around 40 minutes.

  • If you have a late flight from Ronald Reagan National Airport to Buenos Aires, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and resting not long 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 set of wheels. Hertz, Localiza and rentar low cost are popular providers to choose from here.

  • Lock in the best possible rate by reserving your ride from Jorge Newbery Airport around one week ahead of your flight from DCA to Buenos Aires.

Ministro Pistarini Airport (EZE)

  • Once your flight from Ronald Reagan National Airport to Buenos Aires has arrived, you can make your way to the city centre in around 35 minutes by car. Central Buenos Aires is roughly 32 kilometres from Ministro Pistarini Airport (EZE).

  • The journey will take about 2 hours 10 minutes on public transport.

  • Hang up the 'Do not disturb' sign and unwind at a hotel near EZE. Here are a few options where you can settle in after your DCA to Buenos Aires flight:

  • The fastest way to get to where you're going is with a Ministro Pistarini Airport rental car. Pick up a set of wheels from Hertz, Cactus or Localiza and set off in the blink of an eye.

  • Get the pick of the lot. Booking your ride from EZE one week in advance often means lower prices and a greater range of vehicles.

Best time to go to Buenos Aires

  • Before securing your flights from Ronald Reagan National Airport to Buenos Aires, consider which time of year works best for you. High season in Buenos Aires offers a bustling atmosphere and plenty of activities, while the off-season brings better deals on hotels and smaller crowds.

  • Before booking a Ronald Reagan National Airport to Buenos Aires flight ticket, think about the weather you're most comfortable in. January is the warmest month in Buenos Aires, with temperatures ranging from 19ºC (66ºF) to 31ºC (88ºF).

  • July sees average temperatures of between 5ºC (41ºF) and 15ºC (59ºF). Look for a cheap ticket from DCA to Buenos Aires around that time if you want to travel when it's cooler.

More about Buenos Aires

  • When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Buenos Aires right here. Check out these hotels as soon as you've booked your flight from Ronald Reagan National Airport to Buenos Aires:

  • All great journeys should include some sightseeing. Recoleta Cemetery, Obelisco de Buenos Aires and Casa Rosada are essential stops on your Buenos Aires itinerary.

Explore more of Argentina

  • You've seen Buenos Aires, now it's time to discover more of Argentina. Travel around 274 kilometres north-west to Rosario to check off its leading attractions. From Monumento a la Bandera (Flag Monument) to Predio Ferial Parque de la Independencia and Parque Nacional a la Bandera, there's plenty to keep you on the go.

  • Mar Del Plata is another standout destination in Argentina and is around 386 kilometres south of Buenos Aires. No journey is complete without dropping by Casino Central de Mar del Plata, Centro Cultural Villa Victoria Ocampo and Villa Ortiz Basualdo.Museo Municipal de Arte Juan Carlos Castagnino.

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.