IAD - BUE
$326 Find Cheap Flights from Washington, D.C. to Buenos Aires - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Buenos Aires departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Everything you should know
Cheapest round-trip
$721
Typical prices: $691-$1,038
LATAM Airlines
Sun 12/2Mon 12/10
IAD - EZE • 1 stop
Cheapest one-way
$323
Typical prices: $313-$498
Multiple Airlines
Mon 11/12
IAD - AEP • 3 stops
Flight Deals
Cheap Flights from Washington, D.C. to Buenos Aires (IAD-BUE)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Buenos Aires that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
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, Dec 2 - Thu, Dec 10
12:34 pm - 9:40 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
19h 06m1 stop Atlanta Hartsfield-Jackson
7:20 am - 12:41 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
19h 21m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$721LATAM Airlines
Mon, Jan 25 - Tue, Feb 23
4:13 pm - 10:15 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
16h 02m2 stops Charlotte Douglas Miami
9:40 pm - 1:34 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
17h 54m2 stops Miami Charlotte Douglas
$722American Airlines
Wed, Nov 18 - Tue, Dec 1
3:00 pm - 7:35 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
14h 35m1 stop Atlanta Hartsfield-Jackson
12:20 pm - 2:01 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
27h 41m2 stops Miami Atlanta Hartsfield-Jackson
$722Delta
Wed, Nov 18 - Wed, Dec 2
10:11 am - 9:50 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
21h 39m2 stops Atlanta Hartsfield-Jackson Miami
12:20 pm - 2:01 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
27h 41m2 stops Miami Atlanta Hartsfield-Jackson
$722Delta
Sat, Nov 21 - Mon, Nov 30
6:20 pm - 7:35 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
35h 15m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
11:35 pm - 11:39 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
14h 04m1 stop Atlanta Hartsfield-Jackson
$722LATAM Airlines
Tue, Feb 2 - Mon, Feb 15
12:30 pm - 8:30 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
18h 00m1 stop Dallas/Fort Worth
11:35 pm - 4:11 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
18h 36m2 stops Miami Charlotte Douglas
$722American Airlines
Sun, Jan 17 - Mon, Feb 1
4:18 am - 10:20 pmIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
16h 02m1 stop Panama City Tocumen Intl
2:45 pm - 1:59 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
25h 14m1 stop Panama City Tocumen Intl
$726Copa Airlines
Mon, Dec 7 - Fri, Dec 18
2:24 pm - 7:20 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
14h 56m1 stop Houston George Bush Intcntl
11:55 pm - 12:41 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
26h 46m1 stop Houston George Bush Intcntl
$727United Airlines
Sat, Nov 14 - Fri, Nov 20
5:54 pm - 9:20 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
37h 26m1 stop Houston George Bush Intcntl
11:55 pm - 10:44 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
24h 49m1 stop Houston George Bush Intcntl
$727United Airlines
Thu, Mar 4 - Mon, Mar 15
3:46 pm - 3:00 pmIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
21h 14m1 stop Panama City Tocumen Intl
10:45 am - 5:12 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
19h 27m1 stop Panama City Tocumen Intl
$734Copa Airlines
Recent one-way flight deals from Washington, D.C. to Buenos Aires
Thu, Nov 12
7:32 am - 7:30 amIAD Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery
45h 58m3 stops Atlanta Hartsfield-Jackson Miami Lima J Chavez Intl
$323Multiple Airlines
Fri, Nov 27
11:58 am - 10:40 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
20h 42m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez
$326LATAM Airlines
Tue, Nov 17
3:00 pm - 9:50 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
16h 50m2 stops Atlanta Hartsfield-Jackson Miami
$326LATAM Airlines
Fri, Nov 13
9:06 pm - 7:30 amIAD Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery
56h 24m3 stops Atlanta Hartsfield-Jackson Miami Lima J Chavez Intl
$327Multiple Airlines
Tue, Oct 20
9:35 am - 12:51 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
14h 16m1 stop Panama City Tocumen Intl
$335Copa Airlines
Sun, Oct 18
2:25 am - 4:21 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
24h 56m1 stop Panama City Tocumen Intl
$337Copa Airlines
Fri, Jan 1
1:40 pm - 9:50 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
18h 10m2 stops Atlanta Hartsfield-Jackson Miami
$340Delta
Sun, Dec 6
12:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
20h 20m1 stop New York John F Kennedy Intl
$340Delta
Sun, Feb 28
6:30 am - 9:20 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
24h 50m1 stop Houston George Bush Intcntl
$340United Airlines
Sun, Feb 21
8:30 am - 9:20 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
22h 50m1 stop Houston George Bush Intcntl
$340United Airlines
Recent last minute flight deals from Washington, D.C. to Buenos Aires
Sun, Oct 4 - Sun, Oct 18
2:25 am - 4:21 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
24h 56m1 stop Panama City Tocumen Intl
4:15 am - 4:20 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
25h 05m1 stop Panama City Tocumen Intl
$760Copa Airlines
Mon, Oct 5 - Fri, Oct 23
2:25 am - 4:21 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
24h 56m1 stop Panama City Tocumen Intl
8:59 am - 12:32 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
16h 33m1 stop Panama City Tocumen Intl
$760Copa Airlines
Thu, Oct 8 - Tue, Oct 13
3:03 pm - 9:45 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
17h 42m1 stop Atlanta Hartsfield-Jackson
8:10 pm - 9:19 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
14h 09m1 stop Atlanta Hartsfield-Jackson
$772LATAM Airlines
Tue, Oct 6 - Fri, Oct 23
3:35 pm - 5:40 amIAD Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery
13h 05m1 stop Bogotá El Dorado
7:00 am - 2:45 amAEP Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl
20h 45m2 stops Bogot á El Dorado San Salvador El Salvador Intl
$805Avianca
Mon, Oct 5 - Sun, Oct 18
6:50 am - 5:40 amIAD Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery
21h 50m1 stop Bogotá El Dorado
7:00 am - 2:45 amAEP Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl
20h 45m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$805Avianca
Mon, Oct 5 - Wed, Oct 7
4:34 pm - 4:21 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
34h 47m1 stop Panama City Tocumen Intl
11:00 pm - 12:32 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
26h 32m2 stops Santiago Arturo Merino Benitez Panama City Tocumen Intl
$845Multiple Airlines
Mon, Oct 5 - Sun, Oct 18
10:18 pm - 8:00 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
32h 42m1 stop Houston George Bush Intcntl
9:00 pm - 9:07 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
25h 07m1 stop Houston George Bush Intcntl
$881United Airlines
Mon, Oct 5 - Wed, Oct 7
1:23 pm - 11:05 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
20h 42m2 stops Charlotte Douglas New York John F Kennedy Intl
8:40 pm - 9:16 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
25h 36m2 stops Miami Charlotte Douglas
$893American Airlines
Sat, Oct 3 - Tue, Oct 20
6:26 pm - 3:45 pmIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
20h 19m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl
7:35 am - 12:42 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
18h 07m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$959LATAM Airlines
Mon, Oct 5 - Sun, Oct 18
3:15 pm - 9:40 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
17h 25m2 stops Atlanta Hartsfield-Jackson Miami
8:10 pm - 3:49 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
20h 39m1 stop Atlanta Hartsfield-Jackson
$1,252Delta
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.
Prices
Airlines
Layovers
How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Buenos Aires?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires departing in december.What is the cheapest Washington, D.C. Dulles Intl Airport to Buenos Aires flight route?
KAYAK tracks online flight deals over the last 12 months and analyzes pricing trends to identify the best available fares.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?
Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires. It’s 8% cheaper than the average day, while Saturday is the most expensive, with prices 15% higher.
What’s the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Washington, D.C. Dulles Intl Airport to Buenos Aires, removes the top 0.1% to account for outliers and then takes the median of all values for each month.•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 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 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.
Round-trip flights from Washington, D.C. Dulles Intl Airport to Buenos Aires typically range from $691 to $1,038. The lowest price found in the past 5 days was $721, on LATAM Airlines.
What’s the most popular layover airport when flying from Washington, D.C. Dulles Intl Airport to Buenos Aires?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Panama City Tocumen Intl (PTY) is the most popular layover for the Washington, D.C. Dulles Intl Airport to Buenos Aires route. 42% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via PTY.
What is the cheapest layover airport when flying from Washington, D.C. Dulles Intl Airport to Buenos Aires?
Flights via Mexico City Benito Juarez (MEX) offer the most affordable fares, with an average round-trip price of $748. Based on KAYAK data over the past 3 months.
Key details for Washington, D.C. Dulles Intl Airport to Buenos Aires flights
Low season | August |
|---|---|
High season | November |
Cheapest flight | $323 |
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your Washington, D.C. Dulles Intl Airport to Buenos Aires flight questions, answered
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Your guide to booking Washington, D.C. Dulles Intl Airport to Buenos Aires flights
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Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.