Buenos Aires

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

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 to Buenos Aires

All the information you need to plan the best WAS to BUE flight in 2022: 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

51.8 - 77 °F

BUE

Precipitation

2 - 3.9 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 (WAS) to Buenos Aires (BUE)

One-way from

$308

One-way flight from Washington (WAS) to Buenos Aires (BUE)

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 January, February 2022

The best prices found for WAS to BUE flights for January, February
Feb 11 - Feb 15
IAD

Washington Dulles Intl

AEP

Buenos Aires Jorge Newbery

2 stops

38h 56m
AEP

Buenos Aires Jorge Newbery

IAD

Washington Dulles Intl

2 stops

23h 07m
$640

LATAM Airlines

View Deal

Deal found 1/27/22

Feb 25 - Feb 28
IAD

Washington Dulles Intl

AEP

Buenos Aires Jorge Newbery

2 stops

46h 43m
AEP

Buenos Aires Jorge Newbery

IAD

Washington Dulles Intl

2 stops

22h 34m
$662

LATAM Airlines

View Deal

Deal found 1/25/22

Jan 30 - Jan 31
IAD

Washington Dulles Intl

AEP

Buenos Aires Jorge Newbery

2 stops

32h 38m
AEP

Buenos Aires Jorge Newbery

IAD

Washington Dulles Intl

2 stops

23h 07m
$687

LATAM Airlines

View Deal

Deal found 1/26/22

Washington to Buenos Aires 2022 flight deals

Cheap flights to Buenos Aires from Washington found for this year
Nov 9 - Nov 14
IAD

Washington Dulles Intl

EZE

Buenos Aires Ministro Pistarini

1 stop

31h 05m
EZE

Buenos Aires Ministro Pistarini

IAD

Washington Dulles Intl

1 stop

13h 40m
$583

Avianca

View Deal

Deal found 1/26/22

Nov 6 - Nov 12
IAD

Washington Dulles Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

30h 20m
EZE

Buenos Aires Ministro Pistarini

IAD

Washington Dulles Intl

1 stop

31h 30m
$597

Avianca

View Deal

Deal found 1/24/22

Aug 31 - Oct 30
IAD

Washington Dulles Intl

EZE

Buenos Aires Ministro Pistarini

1 stop

13h 45m
EZE

Buenos Aires Ministro Pistarini

IAD

Washington Dulles Intl

1 stop

13h 40m
$600

Avianca

View Deal

Deal found 1/24/22

Last minute flights from Washington to Buenos Aires

Late deals on return flights to Buenos Aires from Washington, departing today and this week
Feb 1 - Feb 6
IAD

Washington Dulles Intl

AEP

Buenos Aires Jorge Newbery

2 stops

40h 10m
AEP

Buenos Aires Jorge Newbery

IAD

Washington Dulles Intl

2 stops

31h 16m
$706

LATAM Airlines

View Deal

Deal found 1/25/22

Feb 1 - Feb 6
DCA

Washington Reagan-National

AEP

Buenos Aires Jorge Newbery

2 stops

33h 45m
AEP

Buenos Aires Jorge Newbery

DCA

Washington Reagan-National

2 stops

32h 31m
$706

LATAM Airlines

View Deal

Deal found 1/25/22

Feb 2 - Feb 9
BWI

Baltimore/Washington

AEP

Buenos Aires Jorge Newbery

2 stops

21h 45m
AEP

Buenos Aires Jorge Newbery

BWI

Baltimore/Washington

2 stops

16h 55m
$732

LATAM Airlines

View Deal

Deal found 1/25/22

One-way flights to Buenos Aires All airports from Washington

The cheapest one-way flights from Washington to Buenos Aires
Jun 13
IAD

Washington Dulles Intl

EZE

Buenos Aires Ministro Pistarini

1 stop

13h 45m
$283

Avianca

View Deal

Deal found 1/25/22

Mar 23
BWI

Baltimore/Washington

AEP

Buenos Aires Jorge Newbery

3 stops

34h 23m
$294

Multiple Airlines

View Deal

Deal found 1/25/22

Mar 5
IAD

Washington Dulles Intl

EZE

Buenos Aires Ministro Pistarini

1 stop

21h 11m
$308

Copa Airlines

View Deal

Deal found 1/25/22

Related info for your journey

Useful info, stats and facts about Washington to Buenos Aires flights.

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.

Can I find flights from Washington to Buenos Aires for under $700 on Cheapflights?

Yes, there are multiple flights from Washington to Buenos Aires for under $700. The cheapest flight booked recently is on Multiple Airlines for just $621, but on average you can expect to pay $643.

Are there last-minute flights available from Washington to Buenos Aires for under $800?

There are currently 20+ open flights from Washington to Buenos Aires within the next 7 days for less than $800.

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

Cheapflights users have booked flights from Washington to Buenos Aires round-trip from $622. Another airline that can offer you cheap pricing is LATAM Airlines. These flights start at 37% lower than the current average price 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 Avianca, which is currently one of the cheapest options available, starting at $283. Copa Airlines flights start at $308 while deals on LATAM Airlines start at $324 one-way.

What are the most popular routes from Washington to Buenos Aires?

While some choose either Washington Reagan-National - Buenos Aires Ministro Pistarini or Baltimore/Washington - Buenos Aires Ministro Pistarini, Washington Dulles Intl - Buenos Aires Ministro Pistarini is the most popular route from Washington to Buenos Aires.

What are the most popular airlines that fly from Washington to Buenos Aires?

When booking a flight from Washington to Buenos Aires, you may want to consider flying on American Airlines, Air Canada or Aerolineas Argentinas as they are the most popular for this route.

What are the cheapest flights from Washington to Buenos Aires?

While on average a flight from Washington to Buenos Aires is generally $1,556, our data shows the cheapest flight currently is $753. When looking at the most popular route, (Washington Dulles Intl - Buenos Aires Ministro Pistarini), you can expect to pay $674 for that flight.

Can I fly to Buenos Aires from Washington right now?

Information is based on travel restrictions from Washington to Buenos Aires

Most visitors from Washington need to provide a negative COVID-19 test result and/or quarantine 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.


Can I 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 24 hours before departing to Washington.

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

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Avianca
Cheapest$701
Average$1,183
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
American Airlines
Cheapest$728
Average$1,144
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
United Airlines
Cheapest$808
Average$1,156
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
Copa Airlines
Cheapest$928
Average$1,182
FlexibilityNo cancel fee
On-time70%
COVID-19 safety
Air Canada
Cheapest$985
Average$1,444
FlexibilityNo cancel fee
On-time67%
COVID-19 safety
Delta
Cheapest$1,028
Average$1,205
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
Aerolineas Argentinas
Cheapest$1,094
Average$1,299
FlexibilityNo cancel fee
On-time59%
COVID-19 safety