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

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, connecting flights can sometimes be more economical, especially for longer distances. It's often a trade-off between cost savings and travel efficiency.

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

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons often results in lower fares. Adjusting your departure or return by a few days may unlock 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. Also, consider the cost of transportation to and from the airports at both your origin and destination. These can add up to your total travel expense.

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

481 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 19, 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

2026-11-24 – 2026-12-06
WAS - Buenos Aires
76% AI deal score
$603
$634
Round trip
2026-12-03 – 2026-12-10
WAS - Buenos Aires
92% AI deal score
$1,006
$636
Round trip
2027-02-25 – 2027-03-05
WAS - Buenos Aires
90% AI deal score
$820
$637
Round trip
2027-02-24 – 2027-03-07
WAS - Buenos Aires
90% AI deal score
$814
$637
Round trip
2027-02-24 – 2027-02-28
WAS - Buenos Aires
90% AI deal score
$834
$637
Round trip
2026-11-25 – 2026-12-15
WAS - Buenos Aires
76% AI deal score
$601
$640
Round trip
2026-11-14 – 2026-11-26
WAS - Buenos Aires
89% AI deal score
$771
$646
Round trip
2027-01-25 – 2027-02-03
WAS - Buenos Aires
78% AI deal score
$661
$649
Round trip
2027-01-25 – 2027-02-23
WAS - Buenos Aires
77% AI deal score
$659
$649
Round trip
2026-12-04 – 2026-12-14
WAS - Buenos Aires
92% AI deal score
$969
$650
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 23h 6m, including connections. Given the long-haul nature of this route, with a distance of 8430 km, itineraries frequently involve multiple stops. This journey time reflects the common travel experience for this specific route, where connecting flights are the norm.

When looking for cheap flights from Washington, D.C. to Buenos Aires, the cheapest time to fly is often February, with a median fare of $709. January also presents a good option, with median fares around $718. Additionally, August offers competitive prices, with a median fare of $726, making these months the most budget-friendly for this route.

Fares for this route are typically $903–$1542, with a median of $1222. Right now, current fares are above the typical level for this route. New deals appear almost daily, offering frequent opportunities to find better prices.

Most itineraries for flights from Washington, D.C. to Buenos Aires connect at least once. In fact, 0% of recent fares were non-stop. For connecting itineraries, the typical number of connections is 2, indicating that travelers should expect multiple stops on this long-haul journey.

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

Regular price: $549 - $1,408

Prices for flights from Washington, D.C. to Buenos Aires are currently within the regular range.

The regular price range for this route is between $549 and $1408. The current lowest deal is $632 with Copa Airlines for travel from Nov 18-Nov 26.

now $632

Low $549

High $1,408

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 $709. The most expensive month is June, with a median price of $4103. Prices are generally lower from January to November.

February

Cheapest

Flights from $709

June

Most Expensive

Flights from $4,103

Jan

Feb

Mar

Apr

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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

LATAM Chile

Copa Airlines

Avianca

American Airlines

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

Tue, Oct 20

⌛ Last-Minute

IAD - Buenos Aires

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

Copa Airlines

$749

$814

One-way

Tue, Oct 20

⌛ Last-Minute

IAD - Buenos Aires

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

Copa Airlines

$749

$814

One-way

Sun, Oct 25

⌛ Last-Minute

IAD - Buenos Aires

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

Copa Airlines

$727

$660

One-way

Wed, Nov 4

⌛ Last-Minute

IAD - Buenos Aires

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

Avianca

$612

$697

One-way

Thu, Nov 12

⌛ Last-Minute

DCA - Buenos Aires

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

United Airlines

$774

$682

One-way

Fri, Nov 13

⌛ Last-Minute

BWI - Buenos Aires

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

LATAM Chile

$779

$655

One-way

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

2 nights

Oct 20 - Oct 22

$1,157 → $669

42%

4 nights

Dec 2 - Dec 6

$1,055 → $633

40%

4 nights

Dec 3 - Dec 7

$1,015 → $643

37%

7 nights

Dec 3 - Dec 10

$1,006 → $636

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 at $632.

📅 Best time to fly

Fly in February for prices below $709.

Historically, February, January, and August offer the lowest median prices for this route.

⏱️ Flight duration

Expect connecting flights of 23h 6m.

Flights from Washington, D.C. to Buenos Aires typically involve connecting flights lasting 23h 6m.

✈️ Airlines & availability

Connecting flights are dominant for this route.

Connecting flights are dominant, with a median of 2 stopovers for this long-haul route.

🏆 Airline highlight

Copa Airlines offers a recent deal for $632.

A recent deal with Copa Airlines for $632 was found via Skyscanner for November 18-26.

🎯 Booking tip

Deals appear frequently for this route.

Deals for flights from Washington, D.C. to Buenos Aires appear frequently, within a 30-day window.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

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

📍 ~36 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$630

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 (reachable by car)

💸 Flights from ~$639

Airports nearby Buenos Aires used as alternative

Carrasco International (MVD)

Cheapest

Carrasco International is a major international hub, easily accessible from Buenos Aires via frequent ferry services.

📍 ~220 km from Buenos Aires (reachable by ferry, requires international border crossing)

💸 Flights from ~$752

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

Nov 29

Buenos Aires, Argentina

94% AI deal score

$5,091

$2,990

Save $2,101

Aeroméxico, +1

Business Class

From DCA

Elite

Dec 07

Buenos Aires, Argentina

94% AI deal score

$5,892

$3,290

Save $2,602

Air Canada, +1

Business Class

From BWI

Elite

Oct 25

Buenos Aires, Argentina

93% AI deal score

$5,404

$3,125

Save $2,279

Copa Airlines, +1

Business Class

From BWI

Elite

Nov 29

Buenos Aires, Argentina

93% AI deal score

$5,039

$3,140

Save $1,899

Aeroméxico, +1

Business Class

From DCA

Elite

Nov 19

Buenos Aires, Argentina

93% AI deal score

$5,120

$3,140

Save $1,980

Air Canada, +1

Business Class

From IAD

Elite

Nov 29

Buenos Aires, Argentina

92% AI deal score

$4,473

$2,946

Save $1,527

Aeroméxico, +1

Business Class

From IAD

Elite

Nov 30

Buenos Aires, Argentina

92% AI deal score

$4,473

$2,946

Save $1,527

Aeroméxico, +1

Business Class

From DCA

Elite

Nov 19

Buenos Aires, Argentina

92% AI deal score

$5,080

$3,290

Save $1,790

Air Canada, +1

Business Class

From DCA

Elite

Nov 19

Buenos Aires, Argentina

92% AI deal score

$5,201

$3,290

Save $1,911

Air Canada, +1

Business Class

From IAD

Elite

Nov 30

Buenos Aires, Argentina

91% AI deal score

$4,340

$2,946

Save $1,394

Aeroméxico, +1

Business Class

From IAD

Elite

Nov 29

Buenos Aires, Argentina

91% AI deal score

$4,437

$3,091

Save $1,346

Aeroméxico, +1

Business Class

From IAD

Elite

Nov 30

Buenos Aires, Argentina

91% AI deal score

$4,444

$3,091

Save $1,353

Aeroméxico, +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. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several months out, can sometimes result in lower prices. However, last-minute deals can also appear, so it's often beneficial to monitor prices over time. The ideal booking window can vary depending on various factors.

Yes, comparing flights from nearby airports can sometimes offer more options or better prices. While it may add to your travel time, the potential savings can make it a worthwhile consideration. Always factor in ground transportation costs and convenience.

Related routes

More routes from Washington, D.C.

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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: $549 - $1,408

Prices for flights from Washington, D.C. to Buenos Aires are currently within the regular range.

The regular price range for this route is between $549 and $1408. The current lowest deal is $632 with Copa Airlines for travel from Nov 18-Nov 26.

now $632

Low $549

High $1,408

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

February

Cheapest

Flights from $709

June

Most Expensive

Flights from $4,103

Jan

Feb

Mar

Apr

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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

LATAM Chile

Copa Airlines

Avianca

American Airlines

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

Tue, Oct 20

⌛ Last-Minute

IAD - Buenos Aires

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

Copa Airlines

$749

$814

One-way

Tue, Oct 20

⌛ Last-Minute

IAD - Buenos Aires

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

Copa Airlines

$749

$814

One-way

Sun, Oct 25

⌛ Last-Minute

IAD - Buenos Aires

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

Copa Airlines

$727

$660

One-way

Wed, Nov 4

⌛ Last-Minute

IAD - Buenos Aires

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

Avianca

$612

$697

One-way

Thu, Nov 12

⌛ Last-Minute

DCA - Buenos Aires

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

United Airlines

$774

$682

One-way

Fri, Nov 13

⌛ Last-Minute

BWI - Buenos Aires

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

LATAM Chile

$779

$655

One-way

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

2 nights

Oct 20 - Oct 22

$1,157 → $669

42%

4 nights

Dec 2 - Dec 6

$1,055 → $633

40%

4 nights

Dec 3 - Dec 7

$1,015 → $643

37%

7 nights

Dec 3 - Dec 10

$1,006 → $636

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 at $632.

📅 Best time to fly

Fly in February for prices below $709.

Historically, February, January, and August offer the lowest median prices for this route.

⏱️ Flight duration

Expect connecting flights of 23h 6m.

Flights from Washington, D.C. to Buenos Aires typically involve connecting flights lasting 23h 6m.

✈️ Airlines & availability

Connecting flights are dominant for this route.

Connecting flights are dominant, with a median of 2 stopovers for this long-haul route.

🏆 Airline highlight

Copa Airlines offers a recent deal for $632.

A recent deal with Copa Airlines for $632 was found via Skyscanner for November 18-26.

🎯 Booking tip

Deals appear frequently for this route.

Deals for flights from Washington, D.C. to Buenos Aires appear frequently, within a 30-day window.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

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

📍 ~36 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$630

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 (reachable by car)

💸 Flights from ~$639

Airports nearby Buenos Aires used as alternative

Carrasco International (MVD)

Cheapest

Carrasco International is a major international hub, easily accessible from Buenos Aires via frequent ferry services.

Buenos Aires, Argentina

91% AI deal score

$4,444

$3,091

Save $1,353

Aeroméxico, +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 below $709.

Expect connecting flights of 23h 6m.

Connecting flights are dominant for this route.

Copa Airlines offers a recent deal for $632.

Deals appear frequently for this route.

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

Nov 29

Dec 07

Oct 25

Nov 29

Nov 19

Nov 29

Nov 30

Nov 19

Nov 19

Nov 30

Nov 29

Nov 30

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 below $709.

Expect connecting flights of 23h 6m.

Connecting flights are dominant for this route.

Copa Airlines offers a recent deal for $632.

Deals appear frequently for this route.

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

Nov 29

Dec 07

Oct 25

Nov 29

Nov 19

Nov 29

Nov 30

Nov 19

Nov 19

Nov 30

Nov 29

Nov 30

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?