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

Direct flights offer convenience and save time, but they are not always the most budget-friendly choice. Flights with one or more layovers can sometimes be significantly cheaper. Consider your priorities for cost versus travel time when deciding.

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

Absolutely, having flexible travel dates can often lead to finding more affordable flights. Prices can vary significantly even within the same week. Shifting your departure or return by a few days may unlock better deals.

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 also charge for printing boarding passes at the airport. 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 today

451 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 18, 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

2026-10-27 – 2026-11-04
WAS - Buenos Aires
87% AI deal score
$832
$627
Round trip
2026-10-28 – 2026-11-04
WAS - Buenos Aires
78% AI deal score
$733
$634
Round trip
2026-10-27 – 2026-11-03
WAS - Buenos Aires
87% AI deal score
$853
$636
Round trip
2026-10-28 – 2026-11-03
WAS - Buenos Aires
78% AI deal score
$732
$643
Round trip
2026-08-24 – 2026-08-28
WAS - Buenos Aires
93% AI deal score
$1,169
$679
Round trip
2027-01-18 – 2027-01-25
WAS - Buenos Aires
89% AI deal score
$836
$683
Round trip
2026-11-18 – 2026-11-23
WAS - Buenos Aires
89% AI deal score
$843
$686
Round trip
2026-08-23 – 2026-08-30
WAS - Buenos Aires
92% AI deal score
$1,048
$688
Round trip
2026-11-11 – 2026-11-22
WAS - Buenos Aires
83% AI deal score
$805
$689
Round trip
2026-12-09 – 2026-12-16
WAS - Buenos Aires
92% AI deal score
$1,020
$689
Round trip

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 overall travel time you can expect. This is a long-haul route, covering a substantial 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 have been classified as a good price, indicating that competitive offers do appear.

The cheapest time to fly from Washington, D.C. to Buenos Aires is typically in February, with a median fare of just $341. Other favorable months include March, where the median fare is $619, and April, with a median of $692. These months offer significantly lower prices compared to the overall median.

There are no direct flights from Washington, D.C. to Buenos Aires; most itineraries connect at least once. In fact, most itineraries connect at least twice, meaning you should anticipate multiple stops on your journey. New deals for this route appear almost daily, so setting up a price alert can help you find suitable options as they emerge.

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

Regular price: $721 - $1,643

Prices are currently below the regular range.

Regular prices for flights from Washington, D.C. to Buenos Aires typically range from $721 to $1643. The current lowest deal is $669 with Frontier Airlines, for travel from Oct 15-Oct 24.

now $669

Low $721

High $1,643

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

Frontier Airlines

American Airlines

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

Mon, Aug 10

⌛ Last-Minute

DCA - Buenos Aires

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

United Airlines

$1,333

$713

One-way

Mon, Aug 10

⌛ Last-Minute

DCA - Buenos Aires

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

$1,367

$722

One-way

Thu, Aug 13

⌛ Last-Minute

DCA - Buenos Aires

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

LATAM Chile

$984

$737

One-way

Thu, Aug 13

⌛ Last-Minute

DCA - Buenos Aires

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

LATAM Chile

$984

$737

One-way

Thu, Aug 13

⌛ Last-Minute

DCA - Buenos Aires

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

LATAM Chile

$1,000

$758

One-way

Fri, Aug 14

⌛ Last-Minute

BWI - Buenos Aires

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

LATAM Chile

$993

$735

One-way

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

2 nights

Aug 19 - Aug 21

$1,367 → $722

47%

2 nights

Aug 21 - Aug 23

$1,345 → $727

46%

19 nights

Feb 23 - Mar 14

$1,142 → $718

37%

14 nights

Feb 24 - Mar 10

$1,136 → $718

37%

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.

📅 Best time to fly

Fly in February for prices around $341

Historically, February is the cheapest month to fly, with median prices around $341.

⏱️ Flight duration

Connecting flights average 33h 43m

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

✈️ Airlines & availability

Connecting flights are dominant on this route

There are no direct flights available; connecting flights are the only option for this route.

🏆 Airline highlight

Copa Airlines offers 41 deals

Copa Airlines has 41 deals, making it a frequent option for this route.

🎯 Booking tip

Deals appear frequently

Deals on flights from Washington, D.C. to Buenos Aires appear frequently, about every 30 days.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

Washington Dulles International offers the cheapest flights to Buenos Aires from the Washington, D.C. area.

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

💸 Flights from ~$627

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

Airports nearby Buenos Aires used as alternative

Carrasco International (MVD)

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

📍 ~220 km from Buenos Aires (reachable by ferry and bus/car); requires international border crossing.

💸 Flights from ~$719

Business & First Class Flight Deals to Buenos Aires

Discover luxury on the budget with premium cabin class on flights from Washington, D.C. to Buenos Aires.

Elite

Best Elite deals to Buenos Aires

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From DCA

Elite

Aug 27

Buenos Aires, Argentina

93% AI deal score

$5,835

$2,444

Save $3,391

Air Canada, +1

Business Class

From DCA

Elite

Aug 25

Buenos Aires, Argentina

93% AI deal score

$5,842

$2,450

Save $3,392

Air Canada, +1

Business Class

From IAD

Elite

Dec 06

Buenos Aires, Argentina

93% AI deal score

$2,669

$1,797

Save $872

Aeroméxico, +1

Business Class

From DCA

Elite

Aug 27

Buenos Aires, Argentina

92% AI deal score

$5,809

$2,602

Save $3,207

Air Canada, +1

Business Class

From DCA

Elite

Aug 27

Buenos Aires, Argentina

92% AI deal score

$5,753

$2,602

Save $3,151

Air Canada, +1

Business Class

From DCA

Elite

Aug 27

Buenos Aires, Argentina

92% AI deal score

$5,823

$2,602

Save $3,221

Air Canada, +1

Business Class

From DCA

Elite

Aug 27

Buenos Aires, Argentina

92% AI deal score

$5,788

$2,602

Save $3,186

Air Canada, +1

Business Class

From DCA

Elite

Aug 27

Buenos Aires, Argentina

92% AI deal score

$5,527

$2,602

Save $2,925

Air Canada, +1

Business Class

From DCA

Elite

Aug 27

Buenos Aires, Argentina

92% AI deal score

$5,574

$2,602

Save $2,972

Air Canada, +1

Business Class

From DCA

Elite

Aug 27

Buenos Aires, Argentina

92% AI deal score

$5,543

$2,602

Save $2,941

Air Canada, +1

Business Class

From DCA

Elite

Sep 14

Buenos Aires, Argentina

92% AI deal score

$5,377

$2,607

Save $2,770

Air Canada, +1

Business Class

From DCA

Elite

Sep 14

Buenos Aires, Argentina

92% AI deal score

$5,210

$2,607

Save $2,603

Air Canada, +1

Business Class

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. Also, looking into flights with layovers may sometimes result in lower fares.

Booking flights in advance, often several months out, can sometimes help secure better prices. However, prices can fluctuate, so monitoring fares over time may be beneficial. There isn't a single 'best' time, as deals can appear unexpectedly.

Yes, comparing flights from nearby airports can sometimes offer more options or different pricing. While it may add to your ground travel, the potential savings on airfare could make it worthwhile. Always check the total cost and travel time.

Related routes

More routes from Washington, D.C.

Flights to Buenos Aires from other cities

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Washington, D.C. to Buenos Aires: Overview

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

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

Regular price: $721 - $1,643

Prices are currently below the regular range.

Regular prices for flights from Washington, D.C. to Buenos Aires typically range from $721 to $1643. The current lowest deal is $669 with Frontier Airlines, for travel from Oct 15-Oct 24.

now $669

Low $721

High $1,643

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

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

Frontier Airlines

American Airlines

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

Mon, Aug 10

⌛ Last-Minute

DCA - Buenos Aires

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

United Airlines

$1,333

$713

One-way

Mon, Aug 10

⌛ Last-Minute

DCA - Buenos Aires

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

$1,367

$722

One-way

Thu, Aug 13

⌛ Last-Minute

DCA - Buenos Aires

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

LATAM Chile

$984

$737

One-way

Thu, Aug 13

⌛ Last-Minute

DCA - Buenos Aires

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

LATAM Chile

$984

$737

One-way

Thu, Aug 13

⌛ Last-Minute

DCA - Buenos Aires

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

LATAM Chile

$1,000

$758

One-way

Fri, Aug 14

⌛ Last-Minute

BWI - Buenos Aires

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

LATAM Chile

$993

$735

One-way

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

2 nights

Aug 19 - Aug 21

$1,367 → $722

47%

2 nights

Aug 21 - Aug 23

$1,345 → $727

46%

19 nights

Feb 23 - Mar 14

$1,142 → $718

37%

14 nights

Feb 24 - Mar 10

$1,136 → $718

37%

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.

📅 Best time to fly

Fly in February for prices around $341

Historically, February is the cheapest month to fly, with median prices around $341.

⏱️ Flight duration

Connecting flights average 33h 43m

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

✈️ Airlines & availability

Connecting flights are dominant on this route

There are no direct flights available; connecting flights are the only option for this route.

🏆 Airline highlight

Copa Airlines offers 41 deals

Copa Airlines has 41 deals, making it a frequent option for this route.

🎯 Booking tip

Deals appear frequently

Deals on flights from Washington, D.C. to Buenos Aires appear frequently, about every 30 days.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

Washington Dulles International offers the cheapest flights to Buenos Aires from the Washington, D.C. area.

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

💸 Flights from ~$627

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

Airports nearby Buenos Aires used as alternative

Carrasco International (MVD)

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

Buenos Aires, Argentina

92% AI deal score

$5,210

$2,607

Save $2,603

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to Buenos Aires

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

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

Washington, D.C. to Buenos Aires: Overview

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

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

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

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

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

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

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

Washington, D.C. - Buenos Aires route insights

Recent fares are above the typical level

Fly in February for prices around $341

Connecting flights average 33h 43m

Connecting flights are dominant on this route

Copa Airlines offers 41 deals

Deals appear frequently

Washington, D.C. main airports to depart from

Buenos Aires main airports to arrive at

Airports nearby Buenos Aires used as alternative

Business & First Class Flight Deals to Buenos Aires

Best Elite deals to Buenos Aires

Aug 27

Aug 25

Dec 06

Aug 27

Aug 27

Aug 27

Aug 27

Aug 27

Aug 27

Aug 27

Sep 14

Sep 14

Frequently Asked Questions About Flights to Buenos Aires

How can I find cheap flights from Washington, D.C. to Buenos Aires?

When should I book flights from Washington, D.C. to Buenos Aires?

Should I compare nearby airports for flights from Washington, D.C. to Buenos Aires?

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

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

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

Related routes

More routes from Washington, D.C.

Flights to Buenos Aires from other cities

Washington, D.C. to Buenos Aires: Overview

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

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

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

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

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

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

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

Washington, D.C. - Buenos Aires route insights

Recent fares are above the typical level

Fly in February for prices around $341

Connecting flights average 33h 43m

Connecting flights are dominant on this route

Copa Airlines offers 41 deals

Deals appear frequently

Washington, D.C. main airports to depart from

Buenos Aires main airports to arrive at

Airports nearby Buenos Aires used as alternative

Business & First Class Flight Deals to Buenos Aires

Best Elite deals to Buenos Aires

Aug 27

Aug 25

Dec 06

Aug 27

Aug 27

Aug 27

Aug 27

Aug 27

Aug 27

Aug 27

Sep 14

Sep 14

Frequently Asked Questions About Flights to Buenos Aires

How can I find cheap flights from Washington, D.C. to Buenos Aires?

When should I book flights from Washington, D.C. to Buenos Aires?

Should I compare nearby airports for flights from Washington, D.C. to Buenos Aires?