To Buenos Aires

Cheap Flights from Washington, D.C. to Buenos Aires

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Deals from

Washington, D.C.

RatePunk searches hundreds of travel sites at once for deals on flights to Buenos Aires

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Washington, D.C. to Buenos Aires

Explore current cheapest deals departing from Washington, D.C. to Buenos Aires

Round trip

Sort by: Cheapest

July 7 - July 14

Cheapest

IAD - Buenos Aires

$935

$627

Round trip

July 4 - July 8

Best

IAD - Buenos Aires

$996

$629

Round trip

July 2 - July 8

IAD - Buenos Aires

$948

$647

Round trip

July 1 - July 6

Earliest

BWI - Buenos Aires

$967

$647

Round trip

July 1 - July 8

Earliest

BWI - Buenos Aires

$952

$647

Round trip

August 24 - September 10

BWI - Buenos Aires

$886

$649

Round trip

September 10 - September 24

BWI - Buenos Aires

$807

$649

Round trip

August 27 - September 24

BWI - Buenos Aires

$877

$649

Round trip

August 27 - September 10

BWI - Buenos Aires

$889

$649

Round trip

August 23 - September 10

BWI - Buenos Aires

$887

$650

Round trip

Unlock all 500+ flight deals to Buenos Aires and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Washington, D.C. to Buenos Aires

A typical journey from Washington, D.C. to Buenos Aires takes about 33h 43m, including connections. This reflects the nature of the route, where most itineraries involve at least one stopover. Given the long-haul classification of this route, such a journey time is common for international travel.

For those seeking cheap flights from Washington, D.C. to Buenos Aires, fares typically range from $694–$1262, with a median of $854. Right now, current fares are above the typical level. A significant 84% of recent fares were classified as a good price, indicating that favorable deals are often available. New deals appear almost daily, making it beneficial to monitor prices regularly.

When is the cheapest time to fly from Washington, D.C. to Buenos Aires? The most affordable month to fly is February, with a median fare of just $341. Following February, March offers median fares around $619, and April presents median fares of $692. These months offer the best opportunities for travelers to find lower prices.

There are no direct flights from Washington, D.C. to Buenos Aires. Most itineraries connect at least once, with the typical number of connections being 2. This means travelers should plan for layovers when booking their journey to Buenos Aires from Washington, D.C.

How much is a round trip from Washington, D.C. to Buenos Aires

Regular price: $801 - $1,706

Prices are currently below the regular range.

The regular price range for flights from Washington, D.C. to Buenos Aires is $801 to $1706. The current lowest deal is $627 with Copa Airlines, for travel from Jul 7-Jul 14.

now $627

Low $801

High $1,706

The cheapest time to fly from Washington, D.C. to Buenos Aires

The cheapest month to fly from Washington, D.C. to Buenos Aires is February, with a median price of $341. The most expensive month is January, with a median price of $1549. Prices are generally lower from February to September.

February

Cheapest

Flights from $341

January

Most Expensive

Flights from $1,549

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Washington, D.C. to Buenos Aires

United Airlines

Copa Airlines

LATAM Chile

Deutsche Luft Hansa

Last-minute flights going from Washington, D.C. to Buenos Aires

Thu, Jun 18

⌛ Last-Minute

DCA - Buenos Aires

Washington, D.C. (DCA) - Buenos Aires (EZE)

American Airlines

$1,137

$686

One-way

Thu, Jun 18

⌛ Last-Minute

DCA - Buenos Aires

Washington, D.C. (DCA) - Buenos Aires (EZE)

American Airlines

$1,144

$692

One-way

Fri, Jun 19

⌛ Last-Minute

DCA - Buenos Aires

Washington, D.C. (DCA) - Buenos Aires (EZE)

Deutsche Luft Hansa

$1,017

$687

One-way

Fri, Jun 19

⌛ Last-Minute

DCA - Buenos Aires

Washington, D.C. (DCA) - Buenos Aires (EZE)

Deutsche Luft Hansa

$1,155

$687

One-way

Sat, Jun 20

⌛ Last-Minute

DCA - Buenos Aires

Washington, D.C. (DCA) - Buenos Aires (EZE)

Deutsche Luft Hansa

$1,019

$685

One-way

Sun, Jun 21

⌛ Last-Minute

BWI - Buenos Aires

Washington, D.C. (BWI) - Buenos Aires (EZE)

American Airlines

$1,132

$685

One-way

Biggest price drops on these dates for flights from Washington, D.C. to Buenos Aires

2 nights

Jun 19 - Jun 21

$1,155 → $687

41%

17 nights

Dec 3 - Dec 20

$1,182 → $723

39%

3 nights

Jun 18 - Jun 21

$1,144 → $692

40%

4 nights

Jun 18 - Jun 22

$1,137 → $686

40%

Popular Airports to fly from Washington, D.C. to Buenos Aires

Washington, D.C. - Buenos Aires route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Washington, D.C. to Buenos Aires are above the typical level.

📅 Best time to fly

February is historically cheapest at $341

Historically, February is the cheapest month to fly from Washington, D.C. to Buenos Aires, at $341.

⏱️ Flight duration

Typically 33h 43m with 2+ stops

Flights from Washington, D.C. to Buenos Aires typically take 33h 43m, with two or more stops.

✈️ Airlines & availability

Connecting flights are dominant on this route

Connecting flights are dominant on this route, with frequent deals available daily.

🏆 Airline highlight

Copa Airlines offers a $627 deal

Copa Airlines has a recent deal for $627 from Washington, D.C. to Buenos Aires.

🎯 Booking tip

Good prices are below $694

Historically, 84% of deals for this route are considered good, with prices below $694.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

Washington Dulles International offers a good option for flights from Washington, D.C. to Buenos Aires.

📍 ~40 km from Washington, D.C. (reachable by car or bus)

💸 Flights from ~$627

Baltimore–Washington International (BWI)

Baltimore–Washington International is an alternative departure airport for flights to Buenos Aires.

📍 ~50 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$647

Ronald Reagan Washington National (DCA)

Ronald Reagan Washington National is another convenient departure airport for your trip to Buenos Aires.

📍 ~5 km from Washington, D.C. (reachable by car or metro)

💸 Flights from ~$651

Buenos Aires main airports to arrive at

Ministro Pistarini International (EZE)

Cheapest

Ministro Pistarini International Airport is a good option for flights from Washington, D.C. to Buenos Aires.

📍 ~30 km from Buenos Aires (reachable by car)

💸 Flights from ~$627

Aeroparque Jorge Newbery (AEP)

Aeroparque Jorge Newbery is an alternative for flights from Washington, D.C. to Buenos Aires.

📍 ~5 km from Buenos Aires (reachable by car)

💸 Flights from ~$708

Airports nearby Buenos Aires used as alternative

Carrasco International (MVD)

Carrasco International is a major international hub, offering a reliable alternative for long-haul flights.

📍 ~200 km from Buenos Aires (reachable by ferry)

💸 Flights from ~$719

Rosario – Islas Malvinas International (ROS)

Cheapest

Rosario – Islas Malvinas International is the largest regional airport within Argentina near Buenos Aires.

📍 ~280 km from Buenos Aires (reachable by car or bus)

💸 Flights from ~$712

Astor Piazzolla International (MDQ)

Astor Piazzolla International is a major domestic hub with consistent service to other Argentine cities.

📍 ~400 km from Buenos Aires (reachable by train, bus, or car)

💸 Flights from ~$842

Capitán de Corbeta Carlos A. Curbelo International (PDP)

Capitán de Corbeta Carlos A. Curbelo International is an international airport with direct links to regional capitals.

📍 ~220 km from Buenos Aires (reachable by ferry)

💸 Flights from ~$1107

Sauce Viejo (SFN)

Sauce Viejo is a secondary domestic alternative, useful for specific domestic connections.

📍 ~420 km from Buenos Aires (reachable by car)

💸 Flights from ~$926

Business & First Class Flight Deals to Buenos Aires

Buenos Aires, Argentina

68% AI deal score

$4,388

From DCA

Elite

Dec 14

Buenos Aires, Argentina

68% AI deal score

$4,388

Frequently Asked Questions About Flights to Buenos Aires

To find cheaper flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you see various options and identify potential savings. Often, booking in advance or looking for flights during off-peak seasons may lead to better deals.

Booking flights well in advance, usually several months before your intended departure, can often result in lower prices. However, sometimes last-minute deals can appear, though this is less common for international routes. Monitoring price trends can help you decide the optimal booking time.

Comparing flights from nearby airports can sometimes uncover more affordable options or different flight schedules. While it may add to your travel time, the potential savings could be significant. Always factor in the cost and convenience of ground transportation to and from these alternative airports.

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