Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Buenos Aires from $305

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
1:45 pm - 4:00 pmDCA  Washington, D.C. Reagan-National-AEP Buenos Aires Jorge Newbery
25h 15m2 stops Miami Lima J Chavez Intl
LATAM Airlines Logo
8:05 pm - 1:56 pmAEP  Buenos Aires Jorge Newbery-DCA Washington, D.C. Reagan-National
18h 51m2 stops Lima J Chavez Intl Miami
$698LATAM Airlines
Mon, Mar 29 - Wed, Apr 7
LATAM Airlines Logo
12:05 pm - 6:30 pmDCA  Washington, D.C. Reagan-National-AEP Buenos Aires Jorge Newbery
29h 25m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
LATAM Airlines Logo
3:50 pm - 1:56 pmAEP  Buenos Aires Jorge Newbery-DCA Washington, D.C. Reagan-National
23h 06m2 stops Santiago Arturo Merino Benitez Miami
$698LATAM Airlines
Thu, Apr 1 - Sat, Apr 10
United Airlines Logo
12:52 pm - 7:20 amDCA  Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini
16h 28m1 stop Houston George Bush Intcntl
United Airlines Logo
11:55 pm - 1:47 pmEZE  Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National
15h 52m1 stop Houston George Bush Intcntl
$698United Airlines
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
6:00 am - 9:20 amDCA  Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini
25h 20m1 stop Houston George Bush Intcntl
United Airlines Logo
11:55 pm - 10:09 pmEZE  Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National
24h 14m1 stop Houston George Bush Intcntl
$698United Airlines
Sun, Nov 15 - Sun, Dec 6
Delta Logo
10:15 am - 7:35 amDCA  Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini
19h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:30 pm - 9:15 amEZE  Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National
13h 45m1 stop Atlanta Hartsfield-Jackson
$698Delta
Wed, Dec 9 - Sun, Dec 13
Delta Logo
6:30 pm - 9:40 amDCA  Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini
13h 10m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:35 pm - 5:20 pmEZE  Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National
19h 45m1 stop Atlanta Hartsfield-Jackson
$698Delta
Sat, Dec 5 - Thu, Dec 10
LATAM Airlines Logo
1:45 pm - 7:40 pmDCA  Washington, D.C. Reagan-National-AEP Buenos Aires Jorge Newbery
27h 55m2 stops Miami Santiago Arturo Merino Benitez
LATAM Airlines Logo
8:05 pm - 1:56 pmAEP  Buenos Aires Jorge Newbery-DCA Washington, D.C. Reagan-National
18h 51m2 stops Lima J Chavez Intl Miami
$698LATAM Airlines
Wed, Mar 10 - Fri, Apr 9
Delta Logo
5:02 pm - 10:55 amDCA  Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini
15h 53m1 stop New York John F Kennedy Intl
Delta Logo
11:35 pm - 12:57 pmEZE  Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National
15h 22m1 stop Atlanta Hartsfield-Jackson
$698Delta
Wed, Dec 9 - Mon, Dec 14
American Airlines Logo
1:43 pm - 8:30 amDCA  Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini
16h 47m1 stop Dallas/Fort Worth
American Airlines Logo
11:35 pm - 5:59 pmEZE  Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National
20h 24m1 stop Miami
$714American Airlines
Sat, Mar 6 - Fri, Mar 12
American Airlines Logo
5:16 pm - 10:45 amDCA  Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini
16h 29m1 stop New York John F Kennedy Intl
American Airlines Logo
10:20 pm - 2:44 pmEZE  Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National
17h 24m1 stop Miami
$746American Airlines
Mon, Mar 22 - Mon, Mar 29

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

LATAM Airlines flights from Washington, D.C. Reagan-National Airport to Buenos Aires

Our best LATAM Airlines deals on Washington, D.C. Reagan-National Airport to Buenos Aires flight tickets
LATAM Airlines
Jan 22
DCA3:58 pmWashington, D.C. Reagan-National
15h 42m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
Jan 29
EZE11:35 pmBuenos Aires Ministro Pistarini
21h 07m
1 stop
DCA6:42 pmWashington, D.C. Reagan-National
$699
LATAM Airlines
Mar 4
DCA1:45 pmWashington, D.C. Reagan-National
18h 05m
1 stop
EZE9:50 amBuenos Aires Ministro Pistarini
Mar 15
EZE8:05 pmBuenos Aires Ministro Pistarini
15h 19m
1 stop
DCA10:24 amWashington, D.C. Reagan-National
$700
LATAM Airlines
Dec 8
DCA4:05 pmWashington, D.C. Reagan-National
15h 45m
2 stops
EZE9:50 amBuenos Aires Ministro Pistarini
Dec 15
EZE8:05 pmBuenos Aires Ministro Pistarini
16h 00m
1 stop
DCA10:05 amWashington, D.C. Reagan-National
$701

United Airlines flights from Washington, D.C. Reagan-National Airport to Buenos Aires

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Buenos Aires flight tickets
United Airlines
Nov 11
DCA7:36 pmWashington, D.C. Reagan-National
33h 44m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 15
EZE11:55 pmBuenos Aires Ministro Pistarini
24h 20m
1 stop
DCA10:15 pmWashington, D.C. Reagan-National
$703
United Airlines
Nov 11
DCA7:36 pmWashington, D.C. Reagan-National
35h 44m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Dec 6
EZE11:55 pmBuenos Aires Ministro Pistarini
24h 14m
1 stop
DCA10:09 pmWashington, D.C. Reagan-National
$707
United Airlines
Nov 12
DCA8:15 amWashington, D.C. Reagan-National
23h 05m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Dec 5
EZE11:55 pmBuenos Aires Ministro Pistarini
26h 02m
1 stop
DCA11:57 pmWashington, D.C. Reagan-National
$708

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - AEP Buenos Aires Jorge Newbery

DCAAEP

Washington, D.C. Reagan-National

Mon 3/29

1:45 pm-4:00 pm

2 stops25h 15m

Buenos Aires Jorge Newbery

Wed 4/7

8:05 pm-1:56 pm

2 stops18h 51m

$698

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - AEP Buenos Aires Jorge Newbery

DCAAEP

Washington, D.C. Reagan-National

Thu 4/1

12:05 pm-6:30 pm

2 stops29h 25m

Buenos Aires Jorge Newbery

Sat 4/10

3:50 pm-1:56 pm

2 stops23h 06m

$698

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - EZE Buenos Aires Ministro Pistarini

DCAEZE

Washington, D.C. Reagan-National

Wed 12/9

12:52 pm-7:20 am

1 stop16h 28m

Buenos Aires Ministro Pistarini

Wed 12/16

11:55 pm-1:47 pm

1 stop15h 52m

$698

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - EZE Buenos Aires Ministro Pistarini

DCAEZE

Washington, D.C. Reagan-National

Sun 11/15

6:00 am-9:20 am

1 stop25h 20m

Buenos Aires Ministro Pistarini

Sun 12/6

11:55 pm-10:09 pm

1 stop24h 14m

$698

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - EZE Buenos Aires Ministro Pistarini

DCAEZE

Washington, D.C. Reagan-National

Wed 12/9

10:15 am-7:35 am

1 stop19h 20m

Buenos Aires Ministro Pistarini

Sun 12/13

9:30 pm-9:15 am

1 stop13h 45m

$698

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - EZE Buenos Aires Ministro Pistarini

DCAEZE

Washington, D.C. Reagan-National

Sat 12/5

6:30 pm-9:40 am

1 stop13h 10m

Buenos Aires Ministro Pistarini

Thu 12/10

11:35 pm-5:20 pm

1 stop19h 45m

$698

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - AEP Buenos Aires Jorge Newbery

DCAAEP

Washington, D.C. Reagan-National

Wed 3/10

1:45 pm-7:40 pm

2 stops27h 55m

Buenos Aires Jorge Newbery

Fri 4/9

8:05 pm-1:56 pm

2 stops18h 51m

$698
Quickest round-trip

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - EZE Buenos Aires Ministro Pistarini

DCAEZE

Washington, D.C. Reagan-National

Wed 12/9

5:02 pm-10:55 am

1 stop15h 53m

Buenos Aires Ministro Pistarini

Mon 12/14

11:35 pm-12:57 pm

1 stop15h 22m

$698

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - EZE Buenos Aires Ministro Pistarini

DCAEZE

Washington, D.C. Reagan-National

Sat 3/6

1:43 pm-8:30 am

1 stop16h 47m

Buenos Aires Ministro Pistarini

Fri 3/12

11:35 pm-5:59 pm

1 stop20h 24m

$714

Washington, D.C.Buenos Aires

DCA Washington, D.C. Reagan-National - EZE Buenos Aires Ministro Pistarini

DCAEZE

Washington, D.C. Reagan-National

Mon 3/22

5:16 pm-10:45 am

1 stop16h 29m

Buenos Aires Ministro Pistarini

Mon 3/29

10:20 pm-2:44 pm

1 stop17h 24m

$746

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Washington, D.C. Reagan-National Airport is in June. Flight prices, which tend to average around $680, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Buenos Aires from Washington, D.C. Reagan-National Airport during May instead. Flights to Buenos Aires in May, while not as cheap as those in June, still average around $720.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Buenos Aires flights?

You could potentially save up to 17% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Buenos Aires flight.

When to book flights from Washington, D.C. Reagan-National Airport to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Buenos Aires (DCA to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Buenos Aires

Best Price Found

$305

Fastest flight time

13h 10m

Direct flights

None
The best one-way flight to Buenos Aires from Washington, D.C. Reagan-National Airport in the past 72 hours is $305. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Buenos Aires found on momondo in the last 72 hours is $698.
The fastest flight from Washington, D.C. Reagan-National Airport to Buenos Aires takes 13h 10m
There are no direct flights from Washington, D.C. Reagan-National Airport to Buenos Aires. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Buenos Aires.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Buenos Aires

  • How far is Washington, D.C. Reagan-National to Buenos Aires by plane?

    The straight-line distance from Washington, D.C. Reagan-National to Buenos Aires is 5210.8 mi. A reasonable flight in good conditions will take 13h 10m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Buenos Aires?

    Prices for flights from Washington, D.C. Reagan-National Airport to Buenos Aires are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Buenos Aires?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Buenos Aires?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Buenos Aires?

Best airlines flying from Washington, D.C. Reagan-National Airport to Buenos Aires

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $599Free CancellationRating
7.0
12,191 reviews
Search American Airlines flights
United AirlinesPriceFrom $639Free CancellationRating
7.3
10,443 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $667Free CancellationRating
7.4
1,969 reviews
Search LATAM Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Buenos Aires?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Buenos Aires with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Buenos Aires from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Buenos Aires?

Once all potential Washington, D.C. to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Buenos Aires right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 11/27
Fri 12/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport