Cheap flights from Washington (WAS) to Buenos Aires (BUE)

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The best prices from Washington to Buenos Aires are usually found in August or May, booked 37 days in advance, depart on a Wednesday or Monday and return on a Tuesday

How to find the cheapest flight from
Washington (WAS) to Buenos Aires (BUE)

All the information you need to plan the best WAS to BUE flight in 2021: compare Washington to Buenos Aires flight prices with the expected peak season, weather and rainfall in Buenos Aires.
WAS - BUE
Price
$724 - $1,518
BUE
Temperature
59 - 84.2 °F
BUE
Precipitation
1.6 - 4.8 inches

Popular in

December

High demand for flights, 34% potential price rise

Cheapest in

August

Best time to find cheap flights, 28% potential price drop

Round-trip from

$724

From Washington to Buenos Aires

One-way from

$332

One-way flight from Washington to Buenos Aires

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Washington to Buenos Aires?

Flights from Washington to Buenos Aires are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buenos Aires.

How far in advance should I book a flight from Washington to Buenos Aires?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 36 days in advance, which can save you up to 10% on flights from Washington to Buenos Aires compared to booking the week you need them. Waiting 36 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,166. For sooner than that we have options available in the next 3 days from $1,251.

What is the cheapest month to fly from Washington to Buenos Aires?

The best pricing can be found in the month of August. Prices to Buenos Aires from Washington average $1,000. You can even find prices in August for less than $1,000, as users have found deals to Buenos Aires from as low as $620. The month of December appears to be one of the more expensive times to travel to Buenos Aires from Washington. Flying in the targeted month can save you up to 51%.

When is the cheapest time to fly from Washington to Buenos Aires (WAS - BUE)?

One of the essential ways to save on airfare from Washington to Buenos Aires is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 14% on airfare.

Cheap flights from Washington to Buenos Aires in September, October 2021

The best prices found for WAS to BUE flights for September, October
12 Oct - 8 Nov
$721pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
United Airlines
 
1 STOP
BWI
Baltimore/Washington
12 Oct - 8 Nov
$727pp
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
United Airlines
 
1 STOP
BWI
Baltimore/Washington
5 Oct - 27 Oct
$858pp
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Multiple Airlines
     
3 STOPS
BWI
Baltimore/Washington

Washington to Buenos Aires 2021 flight deals

Cheap flights to Buenos Aires from Washington found for this year
4 Dec - 10 Dec
$712pp
BWI
Baltimore/Washington
American Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
American Airlines
 
1 STOP
BWI
Baltimore/Washington
1 Dec - 15 Dec
$713pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
 
1 STOP
BWI
Baltimore/Washington
2 Dec - 15 Dec
$717pp
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
 
1 STOP
BWI
Baltimore/Washington

Last minute flights from Washington to Buenos Aires

Late deals on round-trip flights to Buenos Aires from Washington, departing today and this week
28 Sep - 16 Oct
$1,310pp
BWI
Baltimore/Washington
Multiple Airlines
     
3 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
United Airlines
 
1 STOP
BWI
Baltimore/Washington
28 Sep - 16 Oct
$1,348pp
BWI
Baltimore/Washington
Multiple Airlines
     
3 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
United Airlines
 
1 STOP
BWI
Baltimore/Washington
28 Sep - 16 Oct
$1,513pp
IAD
Washington Dulles Intl
Multiple Airlines
     
3 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
United Airlines
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to Buenos Aires from Washington

The cheapest one-way flights from Washington to Buenos Aires
8:06 pm - 7:17 pm
Copa Airlines
1 Stop
21h 11m
IAD - EZE
Copa Airlines
$332
Priceline
1:00 am - 4:00 am
Delta
2 Stops
25h 00m
BWI - EZE
Delta
$341
Delta
9:30 am - 12:59 pm
LATAM Airlines
3 Stops
25h 29m
DCA - EZE
LATAM Airlines
$495
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington</span> to <span class="emphasized">Buenos Aires</span> flights.

Flight FAQs

From Washington to Buenos Aires

Which airlines flying from Washington to Buenos Aires have flexible cancellations due to COVID-19?

American Airlines, United Airlines, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Are flight prices decreasing from Washington to Buenos Aires due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington and Buenos Aires for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Washington to Buenos Aires for under $800 on Cheapflights?

Yes, there are multiple flights from Washington to Buenos Aires for under $800. The cheapest flight booked recently is on Multiple Airlines for just $707, but on average you can expect to pay $742.

Are there last-minute flights available from Washington to Buenos Aires for under $1,400?

There are currently 20+ open flights from Washington to Buenos Aires within the next 7 days for less than $1,400.

What are the cheapest airlines flying from Washington to Buenos Aires round-trip?

Aerolineas Argentinas, at $754, was found to be the cheapest airline from Washington to Buenos Aires.Alternate airlines to your destination round-trip include Delta and American Airlines. Aerolineas Argentinas is priced at 24% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Washington to Buenos Aires one-way?

To fly one-way, consider booking your trip with Copa Airlines, which is currently one of the cheapest options available, starting at $332. American Airlines flights start at $334 while deals on Delta start at $335 one-way.

COVID Restrictions

View COVID Travel Restrictions for Buenos Aires, Argentina

Do I need a COVID test to fly to Buenos Aires from Washington?

Information is based on travel restrictions from Washington to Buenos Aires

Most visitors from Washington will not be allowed to enter Buenos Aires.

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Buenos Aires.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Buenos Aires.

Documents
Contact-Tracing App - Must be downloaded for a minimum period of 14 days.


Do I need a test to fly back to Washington from Buenos Aires?

Returning to Washington from Buenos Aires

COVID-19 testing requirements
Visitors from Buenos Aires must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

Quarantine requirements
Visitors from Buenos Aires are not required to quarantine after entering Washington.

Hide COVID Travel Restrictions for Buenos Aires, Argentina

Destination information for Buenos Aires

Things to know before you go - useful duration and weather info for your trip from Washington to Buenos Aires.
Today's exchange rate
$1 = $98.27
Average temperature for September in Buenos Aires
66.2 °F
Avg rainfall for September in Buenos Aires
1.7 ″

Airports servicing Washington

Reagan-National (DCA)

Airports servicing Buenos Aires

Buenos Aires Ministro Pistarini (EZE)
Buenos Aires Jorge Newbery (AEP)

Top 7 airlines flying from Washington to Buenos Aires

The chart below displays the airlines Cheapflights users traveling from Washington to Buenos Aires choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$728 $1,144 No cancel fee 71%
United Airlines
$808 $1,156 No cancel fee 69%
Copa Airlines
$928 $1,182 No cancel fee 70%
Avianca
$701 $1,183 No cancel fee 71%
Delta
$1,028 $1,205 No cancel fee N/A
Aerolineas Argentinas
$1,094 $1,299 No cancel fee 59%
Air Canada
$985 $1,444 No cancel fee 67%
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