IAD - BUE

$316 Find Cheap Flights from Washington, D.C. to Buenos Aires - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$699
Typical prices: $703-$1,042
Avianca
Sun 11/4Tue 11/13
IAD - AEP • 1 stop
Cheapest one-way
$316
Typical prices: $316-$556
LATAM Airlines
Mon 12/10
IAD - EZE • 1 stop
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.
Insights
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 13% compared to booking last minute.
Insights
Insights
When to travel
May
Cheapest • 13% 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 43m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Buenos Aires!
Flight Deals
Booking Insights
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

Fri, Apr 2 - Tue, Apr 6
Avianca Logo
3:35 pm - 12:25 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
31h 50m1 stop Bogotá El Dorado
Avianca Logo
4:50 pm - 4:20 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
36h 30m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$699Avianca
Wed, Nov 4 - Thu, Nov 12
Avianca Logo
4:35 am - 6:05 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
23h 30m2 stops San Salvador El Salvador Intl Bogotá El Dorado
Avianca Logo
7:25 am - 4:30 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
23h 05m1 stop Bogotá El Dorado
$699Avianca
Tue, Mar 2 - Tue, Mar 9
Delta Logo
11:00 am - 9:50 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
20h 50m2 stops Atlanta Hartsfield-Jackson Miami
Delta Logo
12:20 pm - 11:59 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
25h 39m2 stops Miami Atlanta Hartsfield-Jackson
$702Delta
Mon, Mar 1 - Tue, Mar 9
Delta Logo
11:05 am - 10:55 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
21h 50m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl
Delta Logo
8:05 pm - 2:41 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
20h 36m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$702Delta
Fri, Dec 4 - Sun, Dec 13
LATAM Airlines Logo
3:00 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
16h 50m2 stops Atlanta Hartsfield-Jackson Miami
LATAM Airlines Logo
9:30 pm - 5:33 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
22h 03m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
$702LATAM Airlines
Fri, Dec 4 - Sun, Dec 13
LATAM Airlines Logo
3:00 pm - 7:35 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
14h 35m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
9:30 pm - 5:33 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
22h 03m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
$702LATAM Airlines
Tue, Feb 2 - Mon, Feb 15
American Airlines Logo
7:05 am - 9:10 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
24h 05m2 stops Charlotte Douglas Miami
American Airlines Logo
11:35 pm - 5:34 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
19h 59m2 stops Miami Charlotte Douglas
$702American Airlines
Mon, Apr 5 - Mon, Apr 19
American Airlines Logo
9:15 am - 8:50 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
22h 35m2 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
$702American Airlines
Sun, Nov 15 - Mon, Nov 30
Copa Airlines Logo
1:16 am - 2:10 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
22h 54m1 stop Panama City Tocumen Intl
Copa Airlines Logo
9:10 am - 1:58 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
30h 48m1 stop Panama City Tocumen Intl
$720Copa Airlines
Tue, Dec 1 - Sun, Dec 20
Copa Airlines Logo
1:18 am - 2:10 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
22h 52m1 stop Panama City Tocumen Intl
Copa Airlines Logo
2:45 pm - 11:32 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
34h 47m1 stop Panama City Tocumen Intl
$722Copa 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 $703 to $1,042. The lowest price found in the past 5 days was $699, on Avianca.

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 6% cheaper than the average day, while Saturday is the most expensive, with prices 8% 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 $703 round-trip.
•December ($1,225) and January ($833) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 74% 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 13% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

August

Cheapest flight

$316
Beat the crowds with an average 43% drop in travelers.
The most popular month to fly with an average 59% 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 $703 to $1,042, with an average of $810 over the past 12 months. Anything below $703 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 5% above the $810 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 $332, which is 12% 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 from around $15:

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

    Near Buenos Aires Jorge Newbery Airport (AEP) — daily rates from around $23:

    • 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) - 42% of one-stop connections
    • Bogotá El Dorado (BOG) - 29% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 20% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 7% 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 13% on flights from Washington, D.C. Dulles Intl Airport to Buenos Aires. Sunday is the cheapest departure day at $769 round-trip on average, while Saturday is the most expensive at $876, a difference of $107.

    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 43m, compared with 14h 27m via Atlanta Hartsfield-Jackson (ATL) and 15h 05m via Panama City Tocumen Intl (PTY).

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

    Buenos Aires is 1 hour 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 $769, about $107 less than Saturday fares (12% 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 13% 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 $703 round-trip in that month - typically $522 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.

    • Up Recoleta Hotel
    • Hotel Clásico
    • 248 Finisterra Hotel Boutique Argentino

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
Vacations in Buenos Aires