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Cheap flights from District of Columbia to Buenos Aires from $251

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.
1 adult
0 bags

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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.
Copa Airlines Logo
2:21 am - 12:50 am
IAD
-
EZE
21h 29m
1 stop
Copa Airlines Logo
5:25 am - 4:21 am
EZE
-
IAD
23h 56m
1 stop
$580Copa Airlines
Sat, May 30 - Sun, Jun 7
Avianca Logo
6:50 am - 5:40 am
IAD
-
EZE
21h 50m
1 stop
Avianca Logo
4:50 pm - 5:20 am
EZE
-
IAD
13h 30m
1 stop
$583Avianca
Thu, Apr 30 - Thu, May 21
Avianca Logo
3:35 pm - 5:40 am
IAD
-
EZE
13h 05m
1 stop
Avianca Logo
4:50 pm - 5:20 am
EZE
-
IAD
13h 30m
1 stop
$586Avianca
Mon, May 11 - Thu, May 28
United Airlines Logo
12:40 pm - 8:00 am
DCA
-
EZE
18h 20m
1 stop
United Airlines Logo
9:00 pm - 1:35 pm
EZE
-
DCA
17h 35m
1 stop
$601United Airlines
Wed, Apr 29 - Thu, May 7
LATAM Airlines Logo
6:00 pm - 9:45 am
DCA
-
EZE
14h 45m
1 stop
LATAM Airlines Logo
8:10 pm - 11:25 am
EZE
-
DCA
16h 15m
1 stop
$637LATAM Airlines
Sun, Apr 26 - Mon, May 4
United Airlines Logo
12:59 pm - 8:00 am
DCA
-
EZE
18h 01m
1 stop
United Airlines Logo
9:00 pm - 11:56 am
EZE
-
DCA
15h 56m
1 stop
$644United Airlines
Fri, May 29 - Fri, Jun 5
LATAM Airlines Logo
2:45 pm - 9:20 am
DCA
-
EZE
17h 35m
1 stop
LATAM Airlines Logo
10:40 pm - 12:42 pm
EZE
-
DCA
15h 02m
2 stops
$658LATAM Airlines
Tue, Jun 16 - Mon, Jun 22
American Airlines Logo
2:24 pm - 11:05 am
DCA
-
EZE
19h 41m
1 stop
American Airlines Logo
9:10 pm - 10:54 am
EZE
-
DCA
14h 44m
1 stop
$661American Airlines
Wed, Jun 3 - Sat, Aug 1
American Airlines Logo
6:02 am - 8:15 pm
DCA
-
EZE
13h 13m
1 stop
American Airlines Logo
8:50 pm - 12:19 pm
EZE
-
DCA
16h 29m
2 stops
$665American Airlines
Sun, Jun 21 - Wed, Aug 12
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

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Delta flights from District of Columbia to Buenos Aires

Our best Delta deals on District of Columbia to Buenos Aires flight tickets
Delta
May 3
DCA7:38 pmWashington, D.C. Reagan-National
13h 07m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 8
EZE8:10 pmBuenos Aires Ministro Pistarini
17h 34m
1 stop
DCA12:44 pmWashington, D.C. Reagan-National
$712
Delta
Jul 1
DCA12:17 pmWashington, D.C. Reagan-National
20h 03m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Aug 3
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 02m
1 stop
DCA9:12 amWashington, D.C. Reagan-National
$725
Delta
May 6
DCA10:10 amWashington, D.C. Reagan-National
22h 35m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 13
EZE1:10 pmBuenos Aires Ministro Pistarini
25h 39m
1 stop
DCA1:49 pmWashington, D.C. Reagan-National
$726

Avianca flights from District of Columbia to Buenos Aires

Our best Avianca deals on District of Columbia to Buenos Aires flight tickets
Avianca
May 11
IAD3:35 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
EZE5:40 amBuenos Aires Ministro Pistarini
May 28
EZE4:50 pmBuenos Aires Ministro Pistarini
13h 30m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
$586
Avianca
Apr 30
IAD6:50 amWashington, D.C. Dulles Intl
21h 50m
1 stop
EZE5:40 amBuenos Aires Ministro Pistarini
May 21
EZE4:50 pmBuenos Aires Ministro Pistarini
13h 30m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
$588
Avianca
Apr 29
IAD3:35 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
EZE5:40 amBuenos Aires Ministro Pistarini
May 14
EZE4:50 pmBuenos Aires Ministro Pistarini
22h 25m
1 stop
IAD2:15 pmWashington, D.C. Dulles Intl
$607

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Buenos Aires 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 16, 2026.
Use the filters below to find and compare flights from District of Columbia to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 5/30

2:21 am-12:50 am

1 stop21h 29m

Buenos Aires Ministro Pistarini

Sun 6/7

5:25 am-4:21 am

1 stop23h 56m

$580

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 4/30

6:50 am-5:40 am

1 stop21h 50m

Buenos Aires Ministro Pistarini

Thu 5/21

4:50 pm-5:20 am

1 stop13h 30m

$583
Quickest round-trip

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 5/11

3:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Ministro Pistarini

Thu 5/28

4:50 pm-5:20 am

1 stop13h 30m

$586

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 4/29

12:40 pm-8:00 am

1 stop18h 20m

Buenos Aires Ministro Pistarini

Thu 5/7

9:00 pm-1:35 pm

1 stop17h 35m

$601

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 4/26

6:00 pm-9:45 am

1 stop14h 45m

Buenos Aires Ministro Pistarini

Mon 5/4

8:10 pm-11:25 am

1 stop16h 15m

$637

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 5/29

12:59 pm-8:00 am

1 stop18h 01m

Buenos Aires Ministro Pistarini

Fri 6/5

9:00 pm-11:56 am

1 stop15h 56m

$644

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Tue 6/16

2:45 pm-9:20 am

1 stop17h 35m

Buenos Aires Ministro Pistarini

Mon 6/22

10:40 pm-12:42 pm

2 stops15h 02m

$658

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 6/3

2:24 pm-11:05 am

1 stop19h 41m

Buenos Aires Ministro Pistarini

Sat 8/1

9:10 pm-10:54 am

1 stop14h 44m

$661

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 6/21

6:02 am-8:15 pm

1 stop13h 13m

Buenos Aires Ministro Pistarini

Wed 8/12

8:50 pm-12:19 pm

2 stops16h 29m

$665

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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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from District of Columbia 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 District of Columbia is in August. Flight prices, which tend to average around $640, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Buenos Aires from District of Columbia during September instead. Flights to Buenos Aires in September, while not as cheap as those in August, still average around $647.

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $772 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from District of Columbia for as low as $628 on momondo.

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

You could potentially save up to 10% on your flight if you consider stops on a District of Columbia to Buenos Aires flight.

Cheap District of Columbia to Buenos Aires flight deals and tips

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

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from District of Columbia to Buenos Aires takes 13h 05m
There are no direct flights from District of Columbia to Buenos Aires. There are no popular flight routes from District of Columbia to Buenos Aires.
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Frequently asked questions about flying from District of Columbia to Buenos Aires

  • When did momondo last update prices for flights from District of Columbia to Buenos Aires?

    Prices for flights from District of Columbia to Buenos Aires are updated daily.

  • How many operators does momondo search for flights from District of Columbia to Buenos Aires?

  • How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

Best airlines flying from District of Columbia to Buenos Aires

Compare and see reviews for airlines that fly from District of Columbia to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $274Free CancellationRating
7.9
8,409 reviews
Search Delta flights
LATAM AirlinesPriceFrom $278Free CancellationRating
7.4
1,907 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $344Free CancellationRating
7.4
9,601 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $355Free CancellationRating
7.5
1,575 reviews
Search Copa Airlines flights
AviancaPriceFrom $536Free CancellationRating
6.5
2,511 reviews
Search Avianca flights
American AirlinesPriceFrom $599Free CancellationRating
7.1
11,594 reviews
Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to Buenos Aires. momondo saves you time and could save you money on your trip.

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

All flight searches from District of Columbia to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes momondo offers price alerts on flights to Buenos Aires from District of Columbia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport