IAD - BUE

$315 Find Cheap Flights from Washington, D.C. to Buenos Aires - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% 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
$706
Typical prices: $691-$1,038
Copa Airlines
Thu 11/15Fri 11/23
IAD - EZE • 1 stop
Cheapest one-way
$315
Typical prices: $313-$498
United Airlines
Fri 12/7
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 • 4% average savings
IAD - AEP
Most popular
Insights
Insights
When to book
9 weeks
in advance
Our data shows that travelers who book at least 9 weeks in advance save around 10% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 16% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Mexico City Benito Juarez (MEX)
Cheapest • Avg $748 (round-trip)
Bogotá El Dorado (BOG)
Shortest trip • 13h 48m (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

Wed, Mar 17 - Sun, Apr 4
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
8:48 am - 5:12 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
21h 24m1 stop Panama City Tocumen Intl
$706Copa Airlines
Sun, Nov 15 - Mon, Nov 23
Copa Airlines Logo
3:37 pm - 12:52 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
31h 15m1 stop Panama City Tocumen Intl
Copa Airlines Logo
4:25 am - 3:15 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
24h 50m1 stop Panama City Tocumen Intl
$706Copa Airlines
Mon, Nov 23 - Thu, Nov 26
United Airlines Logo
2:38 pm - 7:20 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
14h 42m1 stop Houston George Bush Intcntl
United Airlines Logo
11:55 pm - 8:49 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
22h 54m1 stop Houston George Bush Intcntl
$718United Airlines
Wed, Mar 3 - Thu, Mar 11
United Airlines Logo
6:30 am - 7:20 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
22h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
11:55 pm - 10:36 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
24h 41m1 stop Houston George Bush Intcntl
$718United Airlines
Mon, Nov 16 - Sun, Nov 22
American Airlines Logo
7:14 am - 8:15 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
23h 01m1 stop Dallas/Fort Worth
American Airlines Logo
10:25 pm - 4:32 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
20h 07m1 stop Dallas/Fort Worth
$718American Airlines
Tue, Feb 2 - Wed, Feb 10
American Airlines Logo
11:45 am - 8:30 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
18h 45m1 stop Dallas/Fort Worth
American Airlines Logo
10:30 pm - 4:20 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
19h 50m1 stop Dallas/Fort Worth
$718American Airlines
Sun, Jan 17 - Wed, Mar 24
LATAM Airlines Logo
4:00 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
15h 40m1 stop Atlanta Hartsfield-Jackson
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
$736LATAM Airlines
Mon, Jan 25 - Wed, Mar 24
LATAM Airlines Logo
7:00 am - 7:35 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
22h 35m1 stop Atlanta Hartsfield-Jackson
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
$736LATAM Airlines
Wed, Feb 24 - Wed, Mar 3
Delta Logo
1:00 pm - 4:00 pmIAD  Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery
25h 00m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
8:40 am - 11:59 amAEP  Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl
29h 19m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$738Delta
Tue, Jan 26 - Wed, Feb 3
Delta Logo
1:00 pm - 7:35 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
16h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:20 am - 12:20 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
19h 00m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$738Delta
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 from Washington, D.C. Dulles Intl Airport to Buenos Aires 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 start at $706. Prices are typical for this route right now, with typical round-trip fares ranging from $691 to $1,038. The lowest price found in the past 5 days was $706 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 $824 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?

Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires, it is 8% cheaper than the average day. Saturday is the most expensive day with flight prices 15% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires at $672 round-trip.
•December ($1,199) and February ($830) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 78% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 9 weeks before departure. Booking in this window typically costs about 10% 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

$315
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 10% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • 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) - 32% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 18% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 7% of one-stop connections

    Panama City Tocumen Intl (PTY) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 21% on the Washington, D.C. Dulles Intl Airport to Buenos Aires route. Monday is the cheapest departure day at $737 round-trip on average, while Saturday is the most expensive at $923, a difference of $186. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 1% below the route average of $799. Booking late can sometimes save money on this route, but inventory is limited.

  • 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 0h 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 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 $323, which is 13% below the typical average for this route.

  • 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 48m, compared with 14h 21m 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 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 $25:

    • Alamo
    • Hertz
    • Localiza
    • Rentacar
    • Europcar

  • 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 $691 to $1,038, with an average of $799 over the past 12 months. Anything below $691 counts as a good deal.

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 can be flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average $737 - about $186 less than Saturday (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 10% 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 September. Fares historically average $672 round-trip in that month - typically $527 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
    - Dazzler by Wyndham Buenos Aires Polo
    - Hotel Clásico

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