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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 4/1. 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.
United Airlines Logo
12:50 pm - 9:20 am
IAD
-
EZE
18h 30m
1 stop
United Airlines Logo
10:05 pm - 11:23 am
EZE
-
IAD
15h 18m
1 stop
$601United Airlines
Tue, Jan 27 - Thu, Feb 5
United Airlines Logo
2:45 pm - 7:20 am
DCA
-
EZE
14h 35m
1 stop
United Airlines Logo
10:05 pm - 11:29 am
EZE
-
DCA
15h 24m
1 stop
$601United Airlines
Thu, Jan 29 - Sun, Feb 8
American Airlines Logo
12:04 pm - 10:39 am
DCA
-
EZE
20h 35m
1 stop
American Airlines Logo
9:25 pm - 9:09 am
EZE
-
DCA
13h 44m
1 stop
$602American Airlines
Thu, Feb 26 - Sun, Mar 1
American Airlines Logo
7:01 am - 9:10 am
IAD
-
EZE
24h 09m
2 stops
American Airlines Logo
10:25 pm - 4:31 pm
EZE
-
IAD
20h 06m
1 stop
$605American Airlines
Sat, Jan 24 - Sun, Feb 8
American Airlines Logo
12:04 pm - 10:39 am
DCA
-
EZE
20h 35m
1 stop
American Airlines Logo
10:10 am - 12:36 am
EZE
-
DCA
16h 26m
1 stop
$605American Airlines
Thu, Feb 26 - Sun, Mar 1
Avianca Logo
7:00 am - 5:40 am
IAD
-
AEP
21h 40m
1 stop
Avianca Logo
7:00 am - 5:35 am
AEP
-
IAD
23h 35m
1 stop
$606Avianca
Wed, May 6 - Sun, May 17
Avianca Logo
5:45 pm - 7:20 am
IAD
-
EZE
35h 35m
1 stop
Avianca Logo
11:55 pm - 8:41 pm
EZE
-
IAD
22h 46m
1 stop
$607Avianca
Sat, Feb 7 - Sun, Feb 15
Multiple Airlines Logo
7:59 pm - 7:20 am
DCA
-
EZE
33h 21m
1 stop
Multiple Airlines Logo
11:55 pm - 1:49 pm
EZE
-
DCA
15h 54m
1 stop
$607Multiple Airlines
Sun, Feb 8 - Sun, Feb 15
Copa Airlines Logo
9:32 am - 4:16 am
IAD
-
EZE
17h 44m
1 stop
Copa Airlines Logo
2:49 pm - 4:21 am
EZE
-
IAD
14h 32m
1 stop
$609Copa Airlines
Tue, Apr 21 - Tue, May 5
Multiple Airlines Logo
4:28 pm - 9:20 am
DCA
-
EZE
14h 52m
1 stop
Multiple Airlines Logo
10:05 pm - 11:29 am
EZE
-
DCA
15h 24m
1 stop
$618Multiple Airlines
Mon, Feb 2 - Fri, Feb 6

Copa Airlines flights from District of Columbia to Buenos Aires

Our best Copa Airlines deals on District of Columbia to Buenos Aires flight tickets
Copa Airlines
Apr 21
IAD9:32 amWashington, D.C. Dulles Intl
17h 44m
1 stop
EZE4:16 amBuenos Aires Ministro Pistarini
May 5
EZE2:49 pmBuenos Aires Ministro Pistarini
14h 32m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
$609
Copa Airlines
Mar 14
IAD2:18 amWashington, D.C. Dulles Intl
22h 39m
1 stop
EZE1:57 amBuenos Aires Ministro Pistarini
Mar 26
EZE2:43 pmBuenos Aires Ministro Pistarini
14h 32m
1 stop
IAD4:15 amWashington, D.C. Dulles Intl
$644
Copa Airlines
Apr 8
IAD9:32 amWashington, D.C. Dulles Intl
21h 23m
1 stop
EZE7:55 amBuenos Aires Ministro Pistarini
Apr 17
EZE2:57 pmBuenos Aires Ministro Pistarini
14h 25m
1 stop
IAD4:22 amWashington, D.C. Dulles Intl
$649

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
Feb 4
IAD12:40 pmWashington, D.C. Dulles Intl
18h 20m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Feb 11
EZE10:25 pmBuenos Aires Ministro Pistarini
15h 19m
1 stop
IAD11:44 amWashington, D.C. Dulles Intl
$635
LATAM Airlines
Feb 1
IAD3:42 pmWashington, D.C. Dulles Intl
13h 38m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 9
EZE8:55 pmBuenos Aires Ministro Pistarini
14h 18m
1 stop
IAD9:13 amWashington, D.C. Dulles Intl
$637
LATAM Airlines
Apr 6
DCA7:43 pmWashington, D.C. Reagan-National
13h 02m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Apr 19
EZE7:35 amBuenos Aires Ministro Pistarini
31h 26m
3 stops
DCA2:01 pmWashington, D.C. Reagan-National
$640

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 January 13, 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

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 1/27

12:50 pm-9:20 am

1 stop18h 30m

Buenos Aires Ministro Pistarini

Thu 2/5

10:05 pm-11:23 am

1 stop15h 18m

$601

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 1/29

2:45 pm-7:20 am

1 stop14h 35m

Buenos Aires Ministro Pistarini

Sun 2/8

10:05 pm-11:29 am

1 stop15h 24m

$601

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 2/26

12:04 pm-10:39 am

1 stop20h 35m

Buenos Aires Ministro Pistarini

Sun 3/1

9:25 pm-9:09 am

1 stop13h 44m

$602

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 1/24

7:01 am-9:10 am

2 stops24h 09m

Buenos Aires Ministro Pistarini

Sun 2/8

10:25 pm-4:31 pm

1 stop20h 06m

$605

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 2/26

12:04 pm-10:39 am

1 stop20h 35m

Buenos Aires Ministro Pistarini

Sun 3/1

10:10 am-12:36 am

1 stop16h 26m

$605

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 5/6

7:00 am-5:40 am

1 stop21h 40m

Buenos Aires Jorge Newbery

Sun 5/17

7:00 am-5:35 am

1 stop23h 35m

$606

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 2/7

5:45 pm-7:20 am

1 stop35h 35m

Buenos Aires Ministro Pistarini

Sun 2/15

11:55 pm-8:41 pm

1 stop22h 46m

$607

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 2/8

7:59 pm-7:20 am

1 stop33h 21m

Buenos Aires Ministro Pistarini

Sun 2/15

11:55 pm-1:49 pm

1 stop15h 54m

$607

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 4/21

9:32 am-4:16 am

1 stop17h 44m

Buenos Aires Ministro Pistarini

Tue 5/5

2:49 pm-4:21 am

1 stop14h 32m

$609

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 2/2

4:28 pm-9:20 am

1 stop14h 52m

Buenos Aires Ministro Pistarini

Fri 2/6

10:05 pm-11:29 am

1 stop15h 24m

$618

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 $644, 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 $850 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 $623 on momondo.

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

You could potentially save up to 7% 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.
Search flight deals

  • 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
LATAM AirlinesPriceFrom $278Free CancellationRating
7.5
1,904 reviews
Search LATAM Airlines flights
DeltaPriceFrom $420Free CancellationRating
7.9
8,040 reviews
Search Delta flights
American AirlinesPriceFrom $599Free CancellationRating
7.2
11,119 reviews
Search American Airlines flights
AviancaPriceFrom $600Free CancellationRating
6.6
2,489 reviews
Search Avianca flights
Copa AirlinesPriceFrom $617Free CancellationRating
7.6
1,559 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
9,156 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