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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 5/7. 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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Find the cheapest flights from District of Columbia to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
6:50 am - 5:40 am
IAD
-
AEP
21h 50m
1 stop
Avianca Logo
7:00 am - 5:20 am
AEP
-
IAD
23h 20m
1 stop
$629Avianca
Tue, Aug 18 - Fri, Aug 28
Avianca Logo
6:50 am - 5:40 am
IAD
-
AEP
21h 50m
1 stop
Avianca Logo
7:00 am - 5:20 am
AEP
-
IAD
23h 20m
1 stop
$641Avianca
Sun, May 3 - Tue, Jun 2
Avianca Logo
6:50 am - 5:40 am
IAD
-
AEP
21h 50m
1 stop
Avianca Logo
7:00 am - 2:45 am
AEP
-
IAD
20h 45m
2 stops
$646Avianca
Sun, May 3 - Tue, Jun 2
Avianca Logo
6:50 am - 5:40 am
IAD
-
AEP
21h 50m
1 stop
Avianca Logo
7:00 am - 5:20 am
AEP
-
IAD
23h 20m
1 stop
$654Avianca
Sun, May 3 - Fri, Sep 4
Avianca Logo
3:35 pm - 5:40 am
IAD
-
AEP
13h 05m
1 stop
Avianca Logo
7:00 am - 5:20 am
AEP
-
IAD
23h 20m
1 stop
$665Avianca
Sun, Jun 7 - Tue, Jun 16
Avianca Logo
6:50 am - 5:40 am
IAD
-
AEP
21h 50m
1 stop
Avianca Logo
7:00 am - 5:20 am
AEP
-
IAD
23h 20m
1 stop
$667Avianca
Wed, Aug 19 - Fri, Aug 28
LATAM Airlines Logo
2:55 pm - 2:50 pm
DCA
-
AEP
22h 55m
2 stops
LATAM Airlines Logo
5:35 pm - 2:05 pm
AEP
-
DCA
21h 30m
2 stops
$721LATAM Airlines
Thu, Sep 17 - Mon, Sep 28
LATAM Airlines Logo
12:17 pm - 9:40 am
DCA
-
AEP
20h 23m
2 stops
LATAM Airlines Logo
6:20 pm - 4:59 pm
AEP
-
DCA
23h 39m
2 stops
$723LATAM Airlines
Fri, Jun 12 - Tue, Jun 16
LATAM Airlines Logo
5:00 pm - 2:50 pm
DCA
-
AEP
20h 50m
2 stops
LATAM Airlines Logo
3:45 pm - 5:11 pm
AEP
-
DCA
26h 26m
2 stops
$752LATAM Airlines
Mon, May 11 - Fri, May 22
Multiple Airlines Logo
6:00 am - 6:25 pm
DCA
-
AEP
35h 25m
2 stops
Multiple Airlines Logo
7:20 pm - 8:59 pm
AEP
-
DCA
26h 39m
3 stops
$790Multiple Airlines
Tue, May 5 - Tue, May 12

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
Aug 18
IAD6:50 amWashington, D.C. Dulles Intl
21h 50m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Aug 28
AEP7:00 amBuenos Aires Jorge Newbery
23h 20m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
$629
Avianca
May 3
IAD6:50 amWashington, D.C. Dulles Intl
21h 50m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Jun 2
AEP7:00 amBuenos Aires Jorge Newbery
23h 20m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
$641
Avianca
May 3
IAD6:50 amWashington, D.C. Dulles Intl
21h 50m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Jun 2
AEP7:00 amBuenos Aires Jorge Newbery
20h 45m
2 stops
IAD2:45 amWashington, D.C. Dulles Intl
$646

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
May 3
IAD12:37 pmWashington, D.C. Dulles Intl
18h 53m
2 stops
AEP8:30 amBuenos Aires Jorge Newbery
Jun 2
AEP3:45 pmBuenos Aires Jorge Newbery
20h 54m
2 stops
IAD11:39 amWashington, D.C. Dulles Intl
$721
LATAM Airlines
Oct 2
IAD6:00 amWashington, D.C. Dulles Intl
24h 40m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Oct 10
AEP3:45 pmBuenos Aires Jorge Newbery
23h 56m
2 stops
IAD2:41 pmWashington, D.C. Dulles Intl
$723
LATAM Airlines
May 3
IAD3:00 pmWashington, D.C. Dulles Intl
22h 50m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
May 7
AEP9:25 amBuenos Aires Jorge Newbery
34h 28m
2 stops
IAD6:53 pmWashington, D.C. Dulles Intl
$746

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 April 15, 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

Cheapest round-trip

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Tue 8/18

6:50 am-5:40 am

1 stop21h 50m

Buenos Aires Jorge Newbery

Fri 8/28

7:00 am-5:20 am

1 stop23h 20m

$629

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 5/3

6:50 am-5:40 am

1 stop21h 50m

Buenos Aires Jorge Newbery

Tue 6/2

7:00 am-5:20 am

1 stop23h 20m

$641

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 5/3

6:50 am-5:40 am

1 stop21h 50m

Buenos Aires Jorge Newbery

Tue 6/2

7:00 am-2:45 am

2 stops20h 45m

$646

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 5/3

6:50 am-5:40 am

1 stop21h 50m

Buenos Aires Jorge Newbery

Fri 9/4

7:00 am-5:20 am

1 stop23h 20m

$654
Quickest round-trip

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 6/7

3:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Jorge Newbery

Tue 6/16

7:00 am-5:20 am

1 stop23h 20m

$665

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 8/19

6:50 am-5:40 am

1 stop21h 50m

Buenos Aires Jorge Newbery

Fri 8/28

7:00 am-5:20 am

1 stop23h 20m

$667

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Thu 9/17

2:55 pm-2:50 pm

2 stops22h 55m

Buenos Aires Jorge Newbery

Mon 9/28

5:35 pm-2:05 pm

2 stops21h 30m

$721

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Fri 6/12

12:17 pm-9:40 am

2 stops20h 23m

Buenos Aires Jorge Newbery

Tue 6/16

6:20 pm-4:59 pm

2 stops23h 39m

$723

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Mon 5/11

5:00 pm-2:50 pm

2 stops20h 50m

Buenos Aires Jorge Newbery

Fri 5/22

3:45 pm-5:11 pm

2 stops26h 26m

$752

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Tue 5/5

6:00 am-6:25 pm

2 stops35h 25m

Buenos Aires Jorge Newbery

Tue 5/12

7:20 pm-8:59 pm

3 stops26h 39m

$790

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 16% 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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Frequently asked questions about flying from District of Columbia to Buenos Aires Jorge Newbery Airport

  • 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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