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Cheap flights from District of Columbia to Buenos Aires from $261

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Buenos Aires departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
6:45 am - 5:40 am
IAD
-
AEP
21h 55m1 stop
Avianca Logo
7:00 am - 4:10 am
AEP
-
IAD
22h 10m2 stops
$608Avianca
Wed, Mar 18 - Wed, Mar 25
Avianca Logo
6:45 am - 5:40 am
IAD
-
AEP
21h 55m1 stop
Avianca Logo
7:00 am - 5:25 am
AEP
-
IAD
23h 25m1 stop
$631Avianca
Wed, Mar 11 - Thu, Mar 19
Avianca Logo
6:45 am - 5:40 am
IAD
-
AEP
21h 55m1 stop
Avianca Logo
7:00 am - 2:40 am
AEP
-
IAD
20h 40m2 stops
$633Avianca
Sun, Mar 8 - Thu, Mar 19
LATAM Airlines Logo
7:18 am - 11:45 am
IAD
-
AEP
27h 27m3 stops
LATAM Airlines Logo
11:30 am - 11:52 am
AEP
-
IAD
25h 22m2 stops
$637LATAM Airlines
Mon, Mar 16 - Wed, Mar 25
LATAM Airlines Logo
11:00 am - 10:30 am
DCA
-
AEP
22h 30m2 stops
LATAM Airlines Logo
2:55 pm - 11:36 am
AEP
-
DCA
21h 41m2 stops
$637LATAM Airlines
Thu, Mar 19 - Thu, Mar 26
Avianca Logo
6:45 am - 5:40 am
IAD
-
AEP
21h 55m1 stop
Avianca Logo
7:00 am - 2:40 am
AEP
-
IAD
20h 40m2 stops
$651Avianca
Fri, Mar 13 - Thu, Mar 19
Avianca Logo
2:35 pm - 5:40 am
IAD
-
AEP
13h 05m1 stop
Avianca Logo
7:00 am - 4:25 am
AEP
-
IAD
23h 25m1 stop
$656Avianca
Mon, Mar 2 - Sat, Mar 7
Avianca Logo
3:35 pm - 5:40 am
IAD
-
AEP
13h 05m1 stop
Avianca Logo
7:00 am - 2:40 am
AEP
-
IAD
20h 40m2 stops
$658Avianca
Mon, Mar 9 - Mon, Mar 16
LATAM Airlines Logo
7:29 pm - 6:40 pm
IAD
-
AEP
22h 11m2 stops
LATAM Airlines Logo
3:40 pm - 12:39 pm
AEP
-
IAD
21h 59m2 stops
$667LATAM Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
7:59 pm - 11:45 am
DCA
-
AEP
37h 46m2 stops
Multiple Airlines Logo
10:35 am - 2:58 pm
AEP
-
DCA
29h 23m2 stops
$748Multiple Airlines
Sun, Mar 1 - Sun, Mar 15

Avianca flights from District of Columbia to Buenos Aires Jorge Newbery Airport

Our best Avianca deals on District of Columbia to Buenos Aires Jorge Newbery Airport flight tickets
Avianca
Mar 18
IAD6:45 amWashington, D.C. Dulles Intl
21h 55m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Mar 25
AEP7:00 amBuenos Aires Jorge Newbery
20h 40m
2 stops
IAD2:40 amWashington, D.C. Dulles Intl
$608
Avianca
Mar 11
IAD6:45 amWashington, D.C. Dulles Intl
21h 55m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Mar 19
AEP7:00 amBuenos Aires Jorge Newbery
23h 25m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
$631
Avianca
Mar 8
IAD6:45 amWashington, D.C. Dulles Intl
21h 55m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Mar 19
AEP7:00 amBuenos Aires Jorge Newbery
20h 40m
2 stops
IAD2:40 amWashington, D.C. Dulles Intl
$633

LATAM Airlines flights from District of Columbia to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on District of Columbia to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Mar 16
IAD7:18 amWashington, D.C. Dulles Intl
27h 27m
3 stops
AEP11:45 amBuenos Aires Jorge Newbery
Mar 25
AEP11:30 amBuenos Aires Jorge Newbery
25h 22m
2 stops
IAD11:52 amWashington, D.C. Dulles Intl
$637
LATAM Airlines
Apr 6
DCA5:09 pmWashington, D.C. Reagan-National
20h 36m
2 stops
AEP2:45 pmBuenos Aires Jorge Newbery
Apr 13
AEP8:05 pmBuenos Aires Jorge Newbery
18h 56m
2 stops
DCA2:01 pmWashington, D.C. Reagan-National
$667
LATAM Airlines
Mar 19
DCA1:45 pmWashington, D.C. Reagan-National
19h 45m
2 stops
AEP10:30 amBuenos Aires Jorge Newbery
Mar 30
AEP12:55 pmBuenos Aires Jorge Newbery
26h 13m
2 stops
DCA2:08 pmWashington, D.C. Reagan-National
$686

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Buenos Aires Jorge Newbery Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 11, 2026.
Use the filters below to find and compare flights from District of Columbia to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 3/18

6:45 am-5:40 am

1 stop21h 55m

Buenos Aires Jorge Newbery

Wed 3/25

7:00 am-4:10 am

2 stops22h 10m

$608

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 3/11

6:45 am-5:40 am

1 stop21h 55m

Buenos Aires Jorge Newbery

Thu 3/19

7:00 am-5:25 am

1 stop23h 25m

$631

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 3/8

6:45 am-5:40 am

1 stop21h 55m

Buenos Aires Jorge Newbery

Thu 3/19

7:00 am-2:40 am

2 stops20h 40m

$633

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 3/16

7:18 am-11:45 am

3 stops27h 27m

Buenos Aires Jorge Newbery

Wed 3/25

11:30 am-11:52 am

2 stops25h 22m

$637

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Thu 3/19

11:00 am-10:30 am

2 stops22h 30m

Buenos Aires Jorge Newbery

Thu 3/26

2:55 pm-11:36 am

2 stops21h 41m

$637

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Fri 3/13

6:45 am-5:40 am

1 stop21h 55m

Buenos Aires Jorge Newbery

Thu 3/19

7:00 am-2:40 am

2 stops20h 40m

$651

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 3/2

2:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Jorge Newbery

Sat 3/7

7:00 am-4:25 am

1 stop23h 25m

$656

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 3/9

3:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Jorge Newbery

Mon 3/16

7:00 am-2:40 am

2 stops20h 40m

$658

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Tue 3/17

7:29 pm-6:40 pm

2 stops22h 11m

Buenos Aires Jorge Newbery

Tue 3/24

3:40 pm-12:39 pm

2 stops21h 59m

$667

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Sun 3/1

7:59 pm-11:45 am

2 stops37h 46m

Buenos Aires Jorge Newbery

Sun 3/15

10:35 am-2:58 pm

2 stops29h 23m

$748

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from District of Columbia to Buenos Aires Jorge Newbery Airport

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

Can stopping save me money on District of Columbia to Buenos Aires Jorge Newbery Airport flights?

You could potentially save up to 52% on your flight if you consider stops on a District of Columbia to Buenos Aires Jorge Newbery Airport flight.

Cheap District of Columbia to Buenos Aires Jorge Newbery Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Buenos Aires Jorge Newbery Airport

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from District of Columbia to Buenos Aires Jorge Newbery Airport takes 13h 05m
There are no direct flights from District of Columbia to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from District of Columbia to Buenos Aires Jorge Newbery Airport.
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  • When did momondo last update prices for flights from District of Columbia to Buenos Aires Jorge Newbery Airport?

    Prices for flights from District of Columbia to Buenos Aires Jorge Newbery Airport were last updated today.

  • How old do you have to be to fly from District of Columbia to Buenos Aires Jorge Newbery Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from District of Columbia to Buenos Aires Jorge Newbery Airport.

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

    The travel and health documents required for your trip to Buenos Aires Jorge Newbery Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires Jorge Newbery Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Buenos Aires?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from District of Columbia to Buenos Aires for you.

Can I find flights from District of Columbia to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from District of Columbia to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from District of Columbia to Buenos Aires right now. Can momondo alert me if prices change?

Price alerts on flights to Buenos Aires from District of Columbia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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