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Cheap flights from District of Columbia to Buenos Aires from $315

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 9/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
2:45 pm - 9:40 am
DCA
-
EZE
17h 55m
1 stop
LATAM Airlines Logo
8:30 pm - 2:05 pm
EZE
-
DCA
18h 35m
2 stops
$642LATAM Airlines
Thu, Jul 2 - Sun, Jul 12
LATAM Airlines Logo
12:29 pm - 9:40 am
IAD
-
EZE
20h 11m
2 stops
LATAM Airlines Logo
8:10 pm - 2:01 pm
EZE
-
IAD
18h 51m
1 stop
$646LATAM Airlines
Thu, Jul 2 - Sun, Jul 12
LATAM Airlines Logo
4:00 pm - 9:40 am
DCA
-
EZE
16h 40m
2 stops
LATAM Airlines Logo
8:30 pm - 2:05 pm
EZE
-
DCA
18h 35m
2 stops
$646LATAM Airlines
Thu, Jul 2 - Sun, Jul 12
Copa Airlines Logo
2:22 am - 4:30 am
IAD
-
EZE
25h 08m
1 stop
Copa Airlines Logo
2:49 pm - 4:21 am
EZE
-
IAD
14h 32m
1 stop
$655Copa Airlines
Tue, Jun 30 - Sun, Jul 5
Azul Logo
2:55 pm - 8:00 am
DCA
-
EZE
16h 05m
1 stop
Azul Logo
9:00 pm - 1:57 pm
EZE
-
DCA
17h 57m
1 stop
$666Azul
Wed, Jul 1 - Wed, Jul 8
Multiple Airlines Logo
6:30 am - 8:00 am
IAD
-
EZE
24h 30m
1 stop
Multiple Airlines Logo
9:00 pm - 11:28 am
EZE
-
IAD
15h 28m
1 stop
$666Multiple Airlines
Tue, Jul 7 - Tue, Jul 28
Delta Logo
6:00 pm - 9:45 am
IAD
-
EZE
14h 45m
1 stop
Delta Logo
8:10 pm - 9:26 am
EZE
-
IAD
14h 16m
1 stop
$667Delta
Thu, Jul 2 - Mon, Jul 6
United Airlines Logo
2:55 pm - 8:00 am
DCA
-
EZE
16h 05m
1 stop
United Airlines Logo
9:00 pm - 4:03 pm
EZE
-
DCA
20h 03m
1 stop
$667United Airlines
Wed, Jul 1 - Thu, Jul 9
Delta Logo
12:39 pm - 9:40 am
IAD
-
EZE
20h 01m
2 stops
Delta Logo
8:10 pm - 11:39 am
EZE
-
IAD
16h 29m
1 stop
$671Delta
Wed, Jul 1 - Sun, Jul 5
Copa Airlines Logo
2:22 am - 4:30 am
IAD
-
EZE
25h 08m
1 stop
Copa Airlines Logo
12:10 am - 4:21 am
EZE
-
IAD
29h 11m
1 stop
$678Copa Airlines
Tue, Jul 14 - Wed, Jul 22

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LATAM Airlines flights from District of Columbia to Buenos Aires

Our best LATAM Airlines deals on District of Columbia to Buenos Aires flight tickets
LATAM Airlines
Jul 2
DCA2:45 pmWashington, D.C. Reagan-National
17h 55m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
Jul 12
EZE8:30 pmBuenos Aires Ministro Pistarini
18h 35m
2 stops
DCA2:05 pmWashington, D.C. Reagan-National
$642
LATAM Airlines
Jul 2
DCA4:00 pmWashington, D.C. Reagan-National
16h 40m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Jul 12
EZE8:30 pmBuenos Aires Ministro Pistarini
18h 35m
2 stops
DCA2:05 pmWashington, D.C. Reagan-National
$646
LATAM Airlines
Jun 24
IAD5:51 pmWashington, D.C. Dulles Intl
14h 54m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Jun 28
EZE8:10 pmBuenos Aires Ministro Pistarini
16h 33m
1 stop
IAD11:43 amWashington, D.C. Dulles Intl
$667

American Airlines flights from District of Columbia to Buenos Aires

Our best American Airlines deals on District of Columbia to Buenos Aires flight tickets
American Airlines
Jun 29
DCA3:20 pmWashington, D.C. Reagan-National
14h 45m
2 stops
EZE7:05 amBuenos Aires Ministro Pistarini
Jul 6
EZE8:30 pmBuenos Aires Ministro Pistarini
17h 07m
1 stop
DCA12:37 pmWashington, D.C. Reagan-National
$683
American Airlines
Jun 19
IAD1:06 pmWashington, D.C. Dulles Intl
20h 59m
2 stops
EZE11:05 amBuenos Aires Ministro Pistarini
Jun 26
EZE9:05 pmBuenos Aires Ministro Pistarini
23h 32m
2 stops
IAD7:37 pmWashington, D.C. Dulles Intl
$685
American Airlines
Jul 15
IAD1:08 pmWashington, D.C. Dulles Intl
20h 57m
2 stops
EZE11:05 amBuenos Aires Ministro Pistarini
Jul 23
EZE9:15 amBuenos Aires Ministro Pistarini
24h 34m
2 stops
IAD8:49 amWashington, D.C. Dulles Intl
$712

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 June 14, 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

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 7/2

2:45 pm-9:40 am

1 stop17h 55m

Buenos Aires Ministro Pistarini

Sun 7/12

8:30 pm-2:05 pm

2 stops18h 35m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 7/2

12:29 pm-9:40 am

2 stops20h 11m

Buenos Aires Ministro Pistarini

Sun 7/12

8:10 pm-2:01 pm

1 stop18h 51m

$646

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 7/2

4:00 pm-9:40 am

2 stops16h 40m

Buenos Aires Ministro Pistarini

Sun 7/12

8:30 pm-2:05 pm

2 stops18h 35m

$646

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 6/30

2:22 am-4:30 am

1 stop25h 08m

Buenos Aires Ministro Pistarini

Sun 7/5

2:49 pm-4:21 am

1 stop14h 32m

$655

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 7/1

2:55 pm-8:00 am

1 stop16h 05m

Buenos Aires Ministro Pistarini

Wed 7/8

9:00 pm-1:57 pm

1 stop17h 57m

$666

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 7/7

6:30 am-8:00 am

1 stop24h 30m

Buenos Aires Ministro Pistarini

Tue 7/28

9:00 pm-11:28 am

1 stop15h 28m

$666
Quickest round-trip

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 7/2

6:00 pm-9:45 am

1 stop14h 45m

Buenos Aires Ministro Pistarini

Mon 7/6

8:10 pm-9:26 am

1 stop14h 16m

$667

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 7/1

2:55 pm-8:00 am

1 stop16h 05m

Buenos Aires Ministro Pistarini

Thu 7/9

9:00 pm-4:03 pm

1 stop20h 03m

$667

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 7/1

12:39 pm-9:40 am

2 stops20h 01m

Buenos Aires Ministro Pistarini

Sun 7/5

8:10 pm-11:39 am

1 stop16h 29m

$671

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 7/14

2:22 am-4:30 am

1 stop25h 08m

Buenos Aires Ministro Pistarini

Wed 7/22

12:10 am-4:21 am

1 stop29h 11m

$678

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 April. Flight prices, which tend to average around $229, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Buenos Aires from District of Columbia during January instead. Flights to Buenos Aires in January, while not as cheap as those in April, still average around $256.

How far in advance should I book a flight from District of Columbia 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 $768 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 $591 on momondo.

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

You could potentially save up to 12% 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 00m

Direct flights

None
The fastest flight from District of Columbia to Buenos Aires takes 13h 00m
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
8,401 reviews
Search Delta flights
LATAM AirlinesPriceFrom $278Free CancellationRating
7.4
1,933 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $336Free CancellationRating
7.5
1,570 reviews
Search Copa Airlines flights
AviancaPriceFrom $536Free CancellationRating
6.5
2,532 reviews
Search Avianca flights
American AirlinesPriceFrom $599Free CancellationRating
7.1
11,663 reviews
Search American Airlines flights
United AirlinesPriceFrom $620Free CancellationRating
7.4
9,824 reviews
Search United 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