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Cheap flights from District of Columbia to Buenos Aires from $275

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 12/8. 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

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LATAM Airlines Logo
6:00 am - 4:00 pmIAD-AEP
32h 00m2 stops
LATAM Airlines Logo
3:40 pm - 6:21 pmAEP-IAD
28h 41m2 stops
$640LATAM Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11
LATAM Airlines Logo
8:00 am - 4:00 pmDCA-AEP
31h 00m2 stops
LATAM Airlines Logo
3:40 pm - 2:06 pmAEP-DCA
23h 26m2 stops
$640LATAM Airlines
Find Deal
Sun, Mar 22 - Tue, Mar 31
Avianca Logo
5:45 am - 5:40 amIAD-AEP
21h 55m1 stop
Avianca Logo
7:00 am - 5:25 amAEP-IAD
23h 25m1 stop
$648Avianca
Find Deal
Wed, Mar 4 - Tue, Mar 10
Avianca Logo
5:45 am - 5:40 amIAD-AEP
21h 55m1 stop
Avianca Logo
7:00 am - 2:40 amAEP-IAD
20h 40m2 stops
$649Avianca
Find Deal
Wed, Mar 4 - Tue, Mar 10
Avianca Logo
6:45 am - 5:40 amIAD-AEP
21h 55m1 stop
Avianca Logo
7:00 am - 2:40 amAEP-IAD
20h 40m2 stops
$657Avianca
Find Deal
Fri, Mar 13 - Fri, Mar 20
LATAM Airlines Logo
10:08 am - 4:00 pmIAD-AEP
27h 52m2 stops
LATAM Airlines Logo
8:50 am - 11:39 amAEP-IAD
28h 49m2 stops
$665LATAM Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11
Avianca Logo
3:25 pm - 5:40 amIAD-AEP
13h 15m1 stop
Avianca Logo
7:00 am - 2:45 amAEP-IAD
20h 45m2 stops
$667Avianca
Find Deal
Mon, Apr 13 - Thu, Apr 30
Avianca Logo
2:35 pm - 5:40 amIAD-AEP
13h 05m1 stop
Avianca Logo
7:00 am - 4:25 amAEP-IAD
23h 25m1 stop
$673Avianca
Find Deal
Tue, Dec 2 - Tue, Dec 16
Avianca Logo
7:00 am - 5:40 amIAD-AEP
21h 40m1 stop
Avianca Logo
7:00 am - 5:35 amAEP-IAD
23h 35m1 stop
$689Avianca
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Wed, Apr 8 - Sat, Apr 18
Avianca Logo
5:45 am - 5:40 amIAD-AEP
22h 55m2 stops
Avianca Logo
7:00 am - 2:45 amAEP-IAD
20h 45m2 stops
$690Avianca
Find Deal
Mon, Apr 13 - Thu, Apr 30

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
Dec 8
IAD6:00 amWashington, D.C. Dulles Intl
32h 00m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Dec 11
AEP3:40 pmBuenos Aires Jorge Newbery
28h 41m
2 stops
IAD6:21 pmWashington, D.C. Dulles Intl
$640
Find similar
LATAM Airlines
Dec 8
IAD10:08 amWashington, D.C. Dulles Intl
27h 52m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Dec 11
AEP8:50 amBuenos Aires Jorge Newbery
28h 49m
2 stops
IAD11:39 amWashington, D.C. Dulles Intl
$665
Find similar
LATAM Airlines
Dec 8
DCA10:20 amWashington, D.C. Reagan-National
27h 40m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Dec 11
AEP3:40 pmBuenos Aires Jorge Newbery
24h 21m
2 stops
DCA2:01 pmWashington, D.C. Reagan-National
$711
Find similar

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
Nov 17
IAD5:45 amWashington, D.C. Dulles Intl
21h 55m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Dec 3
AEP7:00 amBuenos Aires Jorge Newbery
20h 40m
2 stops
IAD1:40 amWashington, D.C. Dulles Intl
$658
Find similar
Avianca
Dec 2
IAD2:35 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Dec 16
AEP7:00 amBuenos Aires Jorge Newbery
23h 25m
1 stop
IAD4:25 amWashington, D.C. Dulles Intl
$673
Find similar
Avianca
Nov 17
IAD5:45 amWashington, D.C. Dulles Intl
21h 55m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Dec 3
AEP7:00 amBuenos Aires Jorge Newbery
19h 10m
3 stops
IAD12:10 amWashington, D.C. Dulles Intl
$675
Find similar

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 November 15, 2025.
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

Mon 12/8

6:00 am-4:00 pm

2 stops32h 00m

Buenos Aires Jorge Newbery

Thu 12/11

3:40 pm-6:21 pm

2 stops28h 41m

$640

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Sun 3/22

8:00 am-4:00 pm

2 stops31h 00m

Buenos Aires Jorge Newbery

Tue 3/31

3:40 pm-2:06 pm

2 stops23h 26m

$640

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 3/4

5:45 am-5:40 am

1 stop21h 55m

Buenos Aires Jorge Newbery

Tue 3/10

7:00 am-5:25 am

1 stop23h 25m

$648

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 3/4

5:45 am-5:40 am

1 stop21h 55m

Buenos Aires Jorge Newbery

Tue 3/10

7:00 am-2:40 am

2 stops20h 40m

$649

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

Fri 3/20

7:00 am-2:40 am

2 stops20h 40m

$657

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 12/8

10:08 am-4:00 pm

2 stops27h 52m

Buenos Aires Jorge Newbery

Thu 12/11

8:50 am-11:39 am

2 stops28h 49m

$665

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 4/13

3:25 pm-5:40 am

1 stop13h 15m

Buenos Aires Jorge Newbery

Thu 4/30

7:00 am-2:45 am

2 stops20h 45m

$667

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Tue 12/2

2:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Jorge Newbery

Tue 12/16

7:00 am-4:25 am

1 stop23h 25m

$673

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 4/8

7:00 am-5:40 am

1 stop21h 40m

Buenos Aires Jorge Newbery

Sat 4/18

7:00 am-5:35 am

1 stop23h 35m

$689

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 4/13

5:45 am-5:40 am

2 stops22h 55m

Buenos Aires Jorge Newbery

Thu 4/30

7:00 am-2:45 am

2 stops20h 45m

$690

Flights are sorted by cheapest round-trip flights 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

What is the cheapest day to depart on your flight to Buenos Aires Jorge Newbery Airport?

The cheapest day to depart from District of Columbia to Buenos Aires Jorge Newbery Airport is on a Tuesday. Travelers who choose to depart for Buenos Aires Jorge Newbery Airport on a Tuesday will often find tickets for as low as $752. The most expensive day to fly to Buenos Aires Jorge Newbery Airport is Thursday, with ticket prices averaging around $1,421.

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

You could potentially save up to 12% 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

Direct flights

None
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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