Are direct flights from Washington, D.C. to Buenos Aires always the best option?

Direct flights are often the most convenient, but they are not always the cheapest. Flights with layovers can sometimes offer significant savings. Consider your budget and time constraints when deciding between direct and connecting flights.

Can flexible travel dates help on Washington, D.C. to Buenos Aires flights?

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices can vary significantly depending on the day of the week or specific dates. Using a flexible date search tool may reveal more affordable options.

What extra costs should I check before booking Washington, D.C. to Buenos Aires flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may charge for amenities that others include. Factor these into your total travel budget.

Flights From Washington, D.C.

To Buenos Aires

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

Browse current best options from Washington, D.C.. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Washington, D.C.

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

Prices updated 4 days ago

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 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

August 13 - August 28

Cheapest

BWI - Buenos Aires

$862

$609

Round trip

August 24 - August 31

Cheapest

BWI - Buenos Aires

$901

$609

Round trip

September 17 - September 21

BWI - Buenos Aires

$847

$614

Round trip

September 2 - September 23

BWI - Buenos Aires

$764

$638

Round trip

September 8 - September 21

BWI - Buenos Aires

$786

$639

Round trip

August 10 - August 19

Earliest

BWI - Buenos Aires

$884

$642

Round trip

September 16 - September 21

IAD - Buenos Aires

$721

$643

Round trip

September 2 - September 9

BWI - Buenos Aires

$810

$646

Round trip

August 13 - August 27

BWI - Buenos Aires

$868

$660

Round trip

August 13 - August 19

Best

BWI - Buenos Aires

$922

$662

Round trip

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

Washington, D.C. to Buenos Aires: Overview

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. Since most itineraries connect at least once, this duration reflects the time spent on all segments of the trip. This route is classified as a long-haul journey, covering a significant distance of 8430 km.

For travelers seeking cheap flights from Washington, D.C. to Buenos Aires, fares typically range from $721–$1325, with a median of $972. Right now, current fares are above the typical level for this route. Approximately 15% of recent fares were classified as a good price, indicating that finding a lower-than-average fare is possible but requires some flexibility. New deals appear almost daily, suggesting frequent opportunities to find better prices.

When is the cheapest time to fly from Washington, D.C. to Buenos Aires? The most affordable month to fly is typically February, with a median fare of just $341. Other cost-effective months include March, where the median fare is $619, and April, with a median of $692. Planning your trip during these months can significantly reduce your travel costs.

Most itineraries for this route connect at least once, with 0% of recent fares being non-stop. When connections are involved, the typical number of stopovers is 2. This means you should expect to make multiple stops on your journey from Washington, D.C. to Buenos Aires.

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

Regular price: $778 - $1,623

Prices are currently below the regular range.

The regular price range for flights from Washington, D.C. to Buenos Aires is typically between $778 and $1623. The current lowest deal is $611 with Frontier Airlines for travel from Aug 24-Aug 31.

now $611

Low $778

High $1,623

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

Copa Airlines

LATAM Chile

Deutsche Luft Hansa

Frontier Airlines

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

Tue, Jul 21

⌛ Last-Minute

IAD - Buenos Aires

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

Copa Airlines

$1,064

$766

One-way

Wed, Jul 22

⌛ Last-Minute

IAD - Buenos Aires

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

Copa Airlines

$1,068

$766

One-way

Mon, Aug 10

⌛ Last-Minute

BWI - Buenos Aires

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

Frontier Airlines

$884

$642

One-way

Tue, Aug 11

⌛ Last-Minute

DCA - Buenos Aires

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

LATAM Chile

$1,005

$700

One-way

Tue, Aug 11

⌛ Last-Minute

DCA - Buenos Aires

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

LATAM Chile

$1,004

$726

One-way

Wed, Aug 12

⌛ Last-Minute

BWI - Buenos Aires

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

Frontier Airlines

$892

$678

One-way

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

1 night

Jul 9 - Jul 10

$1,177 → $703

40%

4 nights

Jul 9 - Jul 13

$1,158 → $703

39%

3 nights

Jul 9 - Jul 12

$1,165 → $727

38%

14 nights

Dec 3 - Dec 17

$1,187 → $763

36%

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 from Washington, D.C. to Buenos Aires are above the typical level at $972.

📅 Best time to fly

February is historically the cheapest month to fly

Historically, February is the cheapest month to fly, with a median price of $341.

⏱️ Flight duration

Flights are typically 33h 43m with 2 stopovers

Flights from Washington, D.C. to Buenos Aires typically take 33h 43m, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant on this route

This route is dominated by connecting flights, with no direct flights available historically.

🏆 Airline highlight

Frontier Airlines offers a recent deal at $611

Frontier Airlines recently offered a deal for $611 from Baltimore–Washington International.

🎯 Booking tip

Deals appear frequently for this route

Deals for flights from Washington, D.C. to Buenos Aires appear frequently.

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 more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking in advance, often several months out, can sometimes lead to better prices for international flights. However, last-minute deals can occasionally appear. Monitoring price trends can help you decide on an optimal booking time.

Comparing flights from nearby airports can sometimes offer more options or lower prices. It's often worth checking if flying into or out of a different airport could provide savings. Remember to factor in any additional transportation costs and time.

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