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

Direct flights offer convenience by reducing travel time and avoiding layovers. However, flights with one or more stops can often be less expensive. Consider your budget and how much you value a quicker journey when making your choice.

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

Yes, being flexible with your travel dates can significantly impact the price of your flight. Mid-week flights or traveling during the off-season may offer lower fares. Adjusting your departure or return by a few days can sometimes lead to substantial savings.

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

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. Be aware of these additional fees to avoid surprises.

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 1 day ago

458 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 7, 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

2026-09-16 – 2026-09-23
WAS - Buenos Aires
84% AI deal score
$886
$718
Round trip
2026-11-15 – 2026-12-01
WAS - Buenos Aires
74% AI deal score
$725
$718
Round trip
2026-11-16 – 2026-12-01
WAS - Buenos Aires
74% AI deal score
$724
$718
Round trip
2026-11-17 – 2026-12-01
WAS - Buenos Aires
74% AI deal score
$727
$718
Round trip
2026-11-18 – 2026-12-01
WAS - Buenos Aires
74% AI deal score
$727
$718
Round trip
2026-11-18 – 2026-12-02
WAS - Buenos Aires
74% AI deal score
$727
$718
Round trip
2026-11-22 – 2026-11-26
WAS - Buenos Aires
76% AI deal score
$771
$718
Round trip
2026-11-23 – 2026-11-26
WAS - Buenos Aires
76% AI deal score
$775
$718
Round trip
2026-11-24 – 2026-11-26
WAS - Buenos Aires
76% AI deal score
$779
$718
Round trip
2026-12-02 – 2026-12-06
WAS - Buenos Aires
88% AI deal score
$1,033
$718
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 long-haul route covers a substantial distance of 8430 km, making it a significant international trip.

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, and about 15% of recent fares were classified as a good price. 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 data indicates that February is the most affordable month, with a median fare of just $341. Following February, March offers median fares around $619, and April presents 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, 0% of recent fares were non-stop. For connecting itineraries, the typical number of connections is 2, which contributes to the overall journey time.

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

Regular price: $738 - $1,449

Prices are currently below the regular range.

The regular price range for flights from Washington, D.C. to Buenos Aires is $738 to $1449. The current lowest deal is $661 with Frontier Airlines for travel from Nov 4-Nov 5.

now $661

Low $738

High $1,449

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

American Airlines

Frontier Airlines

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

Mon, Aug 31

⌛ Last-Minute

DCA - Buenos Aires

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

$1,213

$722

One-way

Tue, Sep 1

⌛ Last-Minute

DCA - Buenos Aires

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

Deutsche Luft Hansa

$989

$710

One-way

Tue, Sep 1

⌛ Last-Minute

BWI - Buenos Aires

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

United Airlines

$864

$717

One-way

Tue, Sep 1

⌛ Last-Minute

DCA - Buenos Aires

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

$890

$720

One-way

Tue, Sep 1

⌛ Last-Minute

DCA - Buenos Aires

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

$907

$727

One-way

Wed, Sep 2

⌛ Last-Minute

BWI - Buenos Aires

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

United Airlines

$852

$717

One-way

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

14 nights

Mar 17 - Mar 31

$1,024 → $704

31%

13 nights

Mar 17 - Mar 30

$1,025 → $706

31%

5 nights

Mar 25 - Mar 30

$1,014 → $706

30%

7 nights

Mar 23 - Mar 30

$1,011 → $705

30%

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 at $661.

📅 Best time to fly

Fly in February for prices as low as $341

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

⏱️ 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 only; deals are frequent

There are no direct flights. Connecting flight deals from Washington, D.C. to Buenos Aires are frequent.

🏆 Airline highlight

Frontier Airlines offers a deal at $661

Frontier Airlines has a recent deal for $661 from Baltimore–Washington International to Ministro Pistarini International.

🎯 Booking tip

Consider flying with Copa Airlines

Copa Airlines has 24 connecting flight deals, making it a good option for this route.

Washington, D.C. main airports to depart from

Baltimore–Washington International (BWI)

Cheapest

Fly from Baltimore–Washington International for potentially cheaper flights to Buenos Aires.

📍 ~44 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$638

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.

📍 ~28 km from Buenos Aires city center.

💸 Flights from ~$638

Airports nearby Buenos Aires used as alternative

Carrasco International (MVD)

Carrasco International is a major international hub with high connectivity, easily accessible from Buenos Aires via frequent ferry services, though it requires an international border crossing and customs clearance.

📍 ~225 km from Buenos Aires (reachable by ferry)

💸 Flights from ~$768

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 BWI

Elite

Sep 11

Buenos Aires, Argentina

95% AI deal score

$5,231

$2,704

Save $2,527

Copa Airlines, +1

Business Class

From BWI

Elite

Sep 06

Buenos Aires, Argentina

95% AI deal score

$5,252

$2,704

Save $2,548

Copa Airlines, +1

Business Class

From BWI

Elite

Sep 05

Buenos Aires, Argentina

95% AI deal score

$5,200

$2,704

Save $2,496

Copa Airlines, +1

Business Class

From DCA

Elite

Sep 02

Buenos Aires, Argentina

94% AI deal score

$5,505

$2,732

Save $2,773

Aeroméxico, +1

Business Class

From BWI

Elite

Sep 11

Buenos Aires, Argentina

94% AI deal score

$5,294

$2,763

Save $2,531

Copa Airlines, +1

Business Class

From BWI

Elite

Sep 06

Buenos Aires, Argentina

94% AI deal score

$5,359

$2,763

Save $2,596

Copa Airlines, +1

Business Class

From IAD

Elite

Jan 06

Buenos Aires, Argentina

94% AI deal score

$2,775

$1,725

Save $1,050

Aeroméxico

Business Class

From IAD

Elite

Jan 06

Buenos Aires, Argentina

94% AI deal score

$2,775

$1,727

Save $1,048

Aeroméxico

Business Class

From IAD

Elite

Jan 06

Buenos Aires, Argentina

94% AI deal score

$2,775

$1,727

Save $1,048

Aeroméxico

Business Class

From IAD

Elite

Jan 06

Buenos Aires, Argentina

94% AI deal score

$2,777

$1,727

Save $1,050

Aeroméxico

Business Class

From IAD

Elite

Jan 06

Buenos Aires, Argentina

94% AI deal score

$2,775

$1,727

Save $1,048

Aeroméxico

Business Class

From BWI

Elite

Sep 11

Buenos Aires, Argentina

93% AI deal score

$5,068

$2,934

Save $2,134

Copa Airlines, +1

Business Class

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 across different airlines. Look out for deals and promotions that may appear periodically.

Booking in advance often provides more favorable prices, especially for international routes. However, last-minute deals can sometimes appear, so it's wise to monitor prices. Setting up price alerts may help you catch a good fare.

Comparing nearby airports can sometimes reveal different pricing or flight options. While it may add to your ground travel, the potential savings on airfare could be significant. Always factor in the cost and time of getting to and from alternative airports.

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: $738 - $1,449

Prices are currently below the regular range.

The regular price range for flights from Washington, D.C. to Buenos Aires is $738 to $1449. The current lowest deal is $661 with Frontier Airlines for travel from Nov 4-Nov 5.

now $661

Low $738

High $1,449

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

American Airlines

Frontier Airlines

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

Mon, Aug 31

⌛ Last-Minute

DCA - Buenos Aires

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

$1,213

$722

One-way

Tue, Sep 1

⌛ Last-Minute

DCA - Buenos Aires

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

Deutsche Luft Hansa

$989

$710

One-way

Tue, Sep 1

⌛ Last-Minute

BWI - Buenos Aires

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

United Airlines

$864

$717

One-way

Tue, Sep 1

⌛ Last-Minute

DCA - Buenos Aires

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

$890

$720

One-way

Tue, Sep 1

⌛ Last-Minute

DCA - Buenos Aires

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

$907

$727

One-way

Wed, Sep 2

⌛ Last-Minute

BWI - Buenos Aires

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

United Airlines

$852

$717

One-way

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

14 nights

Mar 17 - Mar 31

$1,024 → $704

31%

13 nights

Mar 17 - Mar 30

$1,025 → $706

31%

5 nights

Mar 25 - Mar 30

$1,014 → $706

30%

7 nights

Mar 23 - Mar 30

$1,011 → $705

30%

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 at $661.

📅 Best time to fly

Fly in February for prices as low as $341

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

⏱️ 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 only; deals are frequent

There are no direct flights. Connecting flight deals from Washington, D.C. to Buenos Aires are frequent.

🏆 Airline highlight

Frontier Airlines offers a deal at $661

Frontier Airlines has a recent deal for $661 from Baltimore–Washington International to Ministro Pistarini International.

🎯 Booking tip

Consider flying with Copa Airlines

Copa Airlines has 24 connecting flight deals, making it a good option for this route.

Washington, D.C. main airports to depart from

Baltimore–Washington International (BWI)

Cheapest

Fly from Baltimore–Washington International for potentially cheaper flights to Buenos Aires.

📍 ~44 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$638

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.

📍 ~28 km from Buenos Aires city center.

💸 Flights from ~$638

Airports nearby Buenos Aires used as alternative

Carrasco International (MVD)

Buenos Aires, Argentina

93% AI deal score

$5,068

$2,934

Save $2,134

Copa Airlines, +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 as low as $341

Connecting flights average 33h 43m

Connecting flights only; deals are frequent

Frontier Airlines offers a deal at $661

Consider flying with Copa Airlines

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

Sep 11

Sep 06

Sep 05

Sep 02

Sep 11

Sep 06

Jan 06

Jan 06

Jan 06

Jan 06

Jan 06

Sep 11

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 as low as $341

Connecting flights average 33h 43m

Connecting flights only; deals are frequent

Frontier Airlines offers a deal at $661

Consider flying with Copa Airlines

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

Sep 11

Sep 06

Sep 05

Sep 02

Sep 11

Sep 06

Jan 06

Jan 06

Jan 06

Jan 06

Jan 06

Sep 11

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?