IAD - BUE

$305 Find Cheap Flights from Washington, D.C. to Buenos Aires - Compare and Save

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Everything you should know

Cheapest round-trip
$636
Typical prices: $705-$1,041
Copa Airlines
Sat 3/31Tue 4/10
IAD - EZE • 1 stop
Cheapest one-way
$305
Typical prices: $316-$577
American Airlines
Mon 1/8
IAD - EZE • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Buenos Aires. You'll need to take a connecting flight to reach the destination.
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Insights
Top routes
IAD - EZE
Cheapest • 3% average savings
IAD - AEP
Most popular
Insights
Insights
When to book
10 weeks
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
When to travel
May
Cheapest • 14% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $882 (round-trip)
Bogotá El Dorado (BOG)
Shortest trip • 13h 46m (one-way)
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Insights
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We hope you love your trip to Buenos Aires!
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Flight Deals

Cheap Flights from Washington, D.C. to Buenos Aires (IAD-BUE)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Buenos Aires

Wed, Mar 31 - Sat, Apr 10
Copa Airlines Logo
4:46 pm - 11:23 pmIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
29h 37m1 stop Panama City Tocumen Intl
Copa Airlines Logo
10:45 am - 5:12 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
19h 27m1 stop Panama City Tocumen Intl
$636Copa Airlines
Sat, Dec 5 - Tue, Dec 8
Avianca Logo
4:35 am - 5:40 amIAD  Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery
23h 05m2 stops San Salvador El Salvador Intl Bogotá El Dorado
Avianca Logo
7:05 am - 2:55 pmAEP  Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl
33h 50m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$638Avianca
Sat, Dec 5 - Mon, Dec 7
Delta Logo
3:00 pm - 10:55 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
17h 55m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
11:35 pm - 2:01 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
16h 26m1 stop Atlanta Hartsfield-Jackson
$642Delta
Fri, Feb 26 - Sun, Mar 7
Avianca Logo
5:50 am - 12:30 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
16h 40m1 stop Bogotá El Dorado
Avianca Logo
4:50 pm - 4:30 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
13h 40m1 stop Bogotá El Dorado
$643Avianca
Wed, Mar 10 - Wed, Mar 17
American Airlines Logo
6:00 am - 10:15 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
26h 15m2 stops Charlotte Douglas Miami
American Airlines Logo
9:50 pm - 9:51 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
25h 01m2 stops Miami Charlotte Douglas
$648American Airlines
Wed, Mar 10 - Wed, Mar 17
Delta Logo
1:00 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
18h 50m2 stops Atlanta Hartsfield-Jackson Miami
Delta Logo
9:30 pm - 6:26 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
21h 56m1 stop Atlanta Hartsfield-Jackson
$649Delta
Wed, Mar 10 - Wed, Mar 17
LATAM Airlines Logo
4:00 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
15h 50m2 stops Atlanta Hartsfield-Jackson Miami
LATAM Airlines Logo
11:35 pm - 2:41 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
16h 06m1 stop Atlanta Hartsfield-Jackson
$649LATAM Airlines
Sat, Dec 5 - Sat, Dec 12
LATAM Airlines Logo
6:20 pm - 10:55 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
14h 35m1 stop New York John F Kennedy Intl
LATAM Airlines Logo
11:35 pm - 11:43 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
14h 08m1 stop Atlanta Hartsfield-Jackson
$650LATAM Airlines
Wed, Mar 3 - Mon, Mar 22
Copa Airlines Logo
10:57 pm - 9:38 pmIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
20h 41m1 stop Panama City Tocumen Intl
Copa Airlines Logo
4:00 pm - 5:12 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
14h 12m1 stop Panama City Tocumen Intl
$657Copa Airlines
Tue, Mar 30 - Mon, Apr 5
American Airlines Logo
6:00 am - 8:50 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
25h 50m2 stops Charlotte Douglas Miami
American Airlines Logo
8:45 pm - 7:25 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
23h 40m2 stops Miami Charlotte Douglas
$673American Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Buenos Aires flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Buenos Aires?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Buenos Aires typically range from $705 to $1,041. The lowest price found in the past 5 days was $636, on Copa Airlines.

What is the cheapest Washington, D.C. Dulles Intl Airport to Buenos Aires flight route?

There's little price difference between Washington, D.C. Dulles Intl Airport to Buenos Aires routes. They average around $825 round-trip, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires. It’s 7% cheaper than the average day, while Saturday is the most expensive, with prices 11% higher.

What’s the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires?

•May is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires at $699 round-trip.
•December ($1,413) and August ($822) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 102% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Washington, D.C. Dulles Intl Airport to Buenos Aires the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Buenos Aires are cheapest 10 weeks before departure. Booking in this window typically costs about 22% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Washington, D.C. Dulles Intl Airport to Buenos Aires flights

Low season

August

Cheapest flight

$305
Beat the crowds with an average 41% drop in travelers.
The most popular month to fly with an average 61% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport

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

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Buenos Aires based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Buenos Aires flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Buenos Aires?

    Three cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Buenos Aires:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Buenos Aires takes 00m, covering 5,223 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Buenos Aires flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Buenos Aires range from $705 to $1,041, with an average of $809 over the past 12 months. Anything below $705 counts as a good deal.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Buenos Aires flights?

    Last-minute fares on this route (booked within two weeks of departure) run 12% above the $809 route average. Book 10 weeks before departure for the lowest fares.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Buenos Aires looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Buenos Aires are currently lower than usual. Average one-way flight prices are about $314, which is 20% below the typical average for this route.

  • What car rental options are available in Buenos Aires?

    Since Buenos Aires is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Buenos Aires Ministro Pistarini Airport (EZE) — daily rates averaging $67:

    • Hertz
    • Street Rent a Car
    • Rentacar
    • Alamo
    • Localiza

    Near Buenos Aires Jorge Newbery Airport (AEP) — daily rates averaging $71:

    • Hertz
    • Alamo
    • Localiza
    • Rentacar
    • Street Rent a Car

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Buenos Aires?

    Flights from Washington, D.C. Dulles Intl Airport to Buenos Aires usually depart from Washington, D.C. Dulles Intl (IAD) and may arrive at several airports in Buenos Aires area, including Buenos Aires Jorge Newbery (AEP) and Buenos Aires Ministro Pistarini (EZE).

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Buenos Aires pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Buenos Aires most commonly connect through:

    • Panama City Tocumen Intl (PTY) - 41% of one-stop connections
    • Bogotá El Dorado (BOG) - 31% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 18% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 8% of one-stop connections

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires?

    Yes. Flexible dates can save you up to 16% on flights from Washington, D.C. Dulles Intl Airport to Buenos Aires. Sunday is the cheapest departure day at $760 round-trip on average, while Saturday is the most expensive at $902, a difference of $142.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Buenos Aires?

    Flying via Bogotá El Dorado (BOG) gives the shortest average 1-stop total travel time at 13h 46m, compared with 14h 26m via Atlanta Hartsfield-Jackson (ATL) and 15h 02m via Panama City Tocumen Intl (PTY).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Buenos Aires?

    Buenos Aires is 2 hours ahead of Washington, D.C. Dulles Intl Airport (Argentina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Buenos Aires?

    Some of the most popular sights in Buenos Aires are Obelisco de Buenos Aires, Estadio Monumental and Parque Centenario. These are among the most viewed places in Buenos Aires on KAYAK.

Your guide to booking Washington, D.C. Dulles Intl Airport to Buenos Aires flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Saturday. On this route, Sunday flights average $760, about $142 less than Saturday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Buenos Aires trip for May. Fares historically average $699 round-trip in that month - typically $714 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Buenos Aires Jorge Newbery Airport.

    • Hotel Clasico
    • Awwa Suites & Spa
    • Hotel Cristoforo Colombo

More options for your flight from Washington, D.C. to Buenos Aires

Complete your trip to Buenos Aires with a hotel stay or car rental

Car rentals in Buenos Aires
Hotels in Buenos Aires
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