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C$363 Cheap Flights from Washington D.C. (WASA) to Buenos Aires (BUEA)

Compare Washington D.C. to Buenos Aires flight deals

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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? If you want to travel next month, return fares start from C$853. Find the lowest prices on one-way and return tickets right here.
Buenos Aires.C$362 per passenger.Departing Mon., Jun. 8.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon., Jun. 8, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From C$362, select.
Buenos Aires.C$380 per passenger.Departing Mon., Aug. 24.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon., Aug. 24, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From C$380, select.
Buenos Aires.C$388 per passenger.Departing Wed., Oct. 14.One-way flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Washington Ronald Reagan on Wed., Oct. 14, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$388, select.
Buenos Aires.C$391 per passenger.Departing Fri., Jul. 3.One-way flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Washington Ronald Reagan on Fri., Jul. 3, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$391, select.
Buenos Aires.C$408 per passenger.Departing Tue., Sep. 1.One-way flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Washington Ronald Reagan on Tue., Sep. 1, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$408, select.
Buenos Aires.C$419 per passenger.Departing Mon., Jan. 11.One-way flight with United.Outbound indirect flight with United, departs from Washington Dulles on Mon., Jan. 11, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$419, select.
Buenos Aires.C$421 per passenger.Departing Wed., May 27.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Wed., May 27, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$421, select.
Buenos Aires.C$422 per passenger.Departing Wed., Nov. 4.One-way flight with Copa.Outbound indirect flight with Copa, departs from Washington Dulles on Wed., Nov. 4, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$422, select.
Buenos Aires.C$422 per passenger.Departing Sat., Dec. 12.One-way flight with Copa.Outbound indirect flight with Copa, departs from Washington Dulles on Sat., Dec. 12, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$422, select.
Buenos Aires.C$424 per passenger.Departing Mon., Feb. 1.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Mon., Feb. 1, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$424, select.
Buenos Aires.C$424 per passenger.Departing Mon., Mar. 15.One-way flight with Copa.Outbound indirect flight with Copa, departs from Washington Dulles on Mon., Mar. 15, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$424, select.
Buenos Aires.C$948 per passenger.Departing Thu., Apr. 8.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Thu., Apr. 8, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$948, 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 June.
May
from C$422
Jun.
from C$363
Jul.
from C$392
Aug.
from C$381
Sep.
from C$409
Oct.
from C$389
Nov.
from C$423
Dec.
from C$423
Jan.
from C$420
Feb.
from C$425
Mar.
from C$425
Apr.
from C$950

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.

Buenos Aires Jorge Newbery

7km from central Buenos Aires
ClosestCheapest
from C$363
Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires
from C$389
Search flights

Washington D.C. to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight foundC$363
Cheapest month to flyJune

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 C$853. 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 C$853.
As of May 2026, 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 June.
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 C$853.
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 Wednesday, June 17, 2026.
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 May, the average temperature is usually around 14°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 Frontier Airlines .

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

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

  • Touch down in Buenos Aires at Jorge Newbery Airport (AEP) or Ministro Pistarini Airport (EZE).

  • To ensure you get on your flight from Washington DC to Buenos Aires, allow plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • Be prepared for longer lines during popular months such as July and other peak periods. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.

  • If you hold a passport from United States and are travelling to Argentina for tourism purposes, you won't need a visa. However, visa and entry requirements may vary based on your length of stay and are subject to change. For the latest rules, contact your destination's nearest embassy or consulate before reserving a cheap flight from Washington DC to Buenos Aires.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • We make it simple to find a flight from Washington DC to Buenos Aires that includes a stopover. To see all your options leaving from Ronald Reagan National Airport, deselect 'Direct flights only.' Next, pick a flight that has a stop long enough to see the sights of your chosen city. Some popular stopovers include:

    • John F. Kennedy International Airport (JFK)

    • George Bush Intercontinental Airport (IAH)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

  • The journey from central Washington DC to DCA takes around 43 minutes on public transport. If you drive, ride-share or take a cab, you'll cover the 8 kilometres in 16 minutes or so, depending on traffic.

  • Booked an early flight from Washington DC to Buenos Aires? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near Ronald Reagan National Airport:

Washington Dulles International Airport (IAD)

  • Visit family or friends or just take a moment to refresh yourself with a stopover. If you'd like to break up your flight from Washington DC to Buenos Aires, browse these options when taking off from Ronald Reagan National Airport:

    • John F. Kennedy International Airport (JFK)

    • George Bush Intercontinental Airport (IAH)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

  • IAD is around 56 kilometres from central Washington DC. It takes 51 minutes or so to get to the airport if you're driving from the city centre. Public transport takes approximately 3 hours and 26 minutes.

  • Want to enjoy an extra night away before your flight from Washington DC to Buenos Aires? Kick back in a hotel near Washington Dulles International Airport before your vacation officially begins. Check out these accommodation options:

Arriving in Buenos Aires

Jorge Newbery Airport (AEP)

Ministro Pistarini Airport (EZE)

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

  • C$363 is currently the lowest price for a one-way ticket from Washington DC to Buenos Aires. A return flight starts from C$853. These fares can change depending on demand.

  • To get your hands on cheap flights from Washington DC to Buenos Aires, book as early as you can. Airlines generally offer the most competitive fares when flights are first made available.

  • Finding cheap flights from Washington DC to Buenos Aires is more likely if you can be flexible with your dates. Use the 'Whole month' search tool to see the best prices across each month and score a great deal.

  • Snapping up a cheap ticket from Washington DC to Buenos Aires is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Take advantage of filters to find your ideal journey. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Washington DC to Buenos Aires, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

Best time to go to Buenos Aires

  • April is the quietest month for flights from Washington DC to Buenos Aires, while August is the most popular. Figure out the ideal time to go to Buenos Aires based on whether you prefer a lively atmosphere or a more laid-back vibe.

  • Before booking a flight from Washington DC to Buenos Aires, consider the type of weather you enjoy. January is the warmest month in Buenos Aires, with temperatures ranging from 19ºC to 31ºC.

  • If you like travelling in cooler conditions, look for a cheap ticket from Washington DC to Buenos Aires in July when temperatures average between 5ºC and 15ºC.

More about Buenos Aires

Complete your Buenos Aires trip with a car rental

  • Explore our lineup of car rentals once you've locked in your hotel and cheap flight from Washington DC to Buenos Aires. Whether you're looking for an SUV, a compact ride or even something that'll turn heads, you can compare companies in one go to find the perfect deal.

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.