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Cheap flights from District of Columbia to Buenos Aires from $250

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 5/27. 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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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.
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
$606Avianca
Sun, Apr 19 - Mon, Apr 27
Copa Airlines Logo
2:21 am - 10:25 pm
IAD
-
EZE
19h 04m
1 stop
Copa Airlines Logo
2:57 pm - 4:22 am
EZE
-
IAD
14h 25m
1 stop
$608Copa Airlines
Wed, Apr 8 - Mon, Apr 27
American Airlines Logo
2:54 pm - 7:15 am
DCA
-
EZE
15h 21m
1 stop
American Airlines Logo
8:40 pm - 10:38 am
EZE
-
DCA
14h 58m
1 stop
$612American Airlines
Fri, Apr 10 - Wed, Apr 22
Multiple Airlines Logo
5:27 pm - 9:20 am
IAD
-
EZE
14h 53m
2 stops
Multiple Airlines Logo
4:50 pm - 5:20 am
EZE
-
IAD
13h 30m
1 stop
$612Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
American Airlines Logo
4:59 pm - 8:50 am
DCA
-
EZE
14h 51m
1 stop
American Airlines Logo
10:20 pm - 12:40 pm
EZE
-
DCA
15h 20m
1 stop
$613American Airlines
Mon, Apr 13 - Mon, Apr 20
United Airlines Logo
6:00 am - 6:20 am
IAD
-
EZE
23h 20m
1 stop
United Airlines Logo
9:05 pm - 8:41 pm
EZE
-
IAD
24h 36m
1 stop
$621United Airlines
Sun, Mar 15 - Thu, Mar 26
United Airlines Logo
8:00 am - 6:20 am
DCA
-
EZE
21h 20m
1 stop
United Airlines Logo
10:55 pm - 1:43 pm
EZE
-
DCA
15h 48m
1 stop
$621United Airlines
Wed, Mar 11 - Thu, Mar 19
Delta Logo
3:00 pm - 9:00 am
DCA
-
EZE
17h 00m
1 stop
Delta Logo
1:10 pm - 2:03 pm
EZE
-
DCA
25h 53m
1 stop
$628Delta
Mon, Apr 13 - Mon, Apr 27
Delta Logo
2:00 pm - 9:45 am
DCA
-
EZE
18h 45m
1 stop
Delta Logo
1:10 pm - 2:03 pm
EZE
-
DCA
25h 53m
1 stop
$629Delta
Mon, Apr 13 - Mon, Apr 27
Multiple Airlines Logo
6:00 am - 6:25 pm
DCA
-
AEP
35h 25m
2 stops
Multiple Airlines Logo
8:05 pm - 5:07 pm
AEP
-
DCA
22h 02m
2 stops
$731Multiple Airlines
Thu, May 14 - Wed, May 20

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
Apr 13
IAD5:27 pmWashington, D.C. Dulles Intl
15h 18m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Apr 27
EZE7:35 amBuenos Aires Ministro Pistarini
18h 07m
2 stops
IAD12:42 amWashington, D.C. Dulles Intl
$635
LATAM Airlines
Mar 3
IAD3:42 pmWashington, D.C. Dulles Intl
15h 18m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 17
EZE8:55 pmBuenos Aires Ministro Pistarini
18h 44m
1 stop
IAD2:39 pmWashington, D.C. Dulles Intl
$636
LATAM Airlines
Apr 12
IAD8:02 pmWashington, D.C. Dulles Intl
21h 19m
3 stops
EZE6:21 pmBuenos Aires Ministro Pistarini
Apr 16
EZE3:55 amBuenos Aires Ministro Pistarini
21h 47m
2 stops
IAD12:42 amWashington, D.C. Dulles Intl
$637

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 8
IAD2:21 amWashington, D.C. Dulles Intl
19h 04m
1 stop
EZE10:25 pmBuenos Aires Ministro Pistarini
Apr 27
EZE2:57 pmBuenos Aires Ministro Pistarini
14h 25m
1 stop
IAD4:22 amWashington, D.C. Dulles Intl
$608
Copa Airlines
Mar 9
IAD2:18 amWashington, D.C. Dulles Intl
22h 39m
1 stop
EZE1:57 amBuenos Aires Ministro Pistarini
Mar 17
EZE9:16 amBuenos Aires Ministro Pistarini
19h 59m
1 stop
IAD4:15 amWashington, D.C. Dulles Intl
$609
Copa Airlines
Mar 11
IAD9:29 amWashington, D.C. Dulles Intl
14h 33m
1 stop
EZE1:02 amBuenos Aires Ministro Pistarini
Mar 16
EZE2:43 pmBuenos Aires Ministro Pistarini
25h 17m
1 stop
IAD3:00 pmWashington, D.C. Dulles Intl
$628

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 March 1, 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

Sun 4/19

3:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Ministro Pistarini

Mon 4/27

4:50 pm-5:20 am

1 stop13h 30m

$606

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 4/8

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Mon 4/27

2:57 pm-4:22 am

1 stop14h 25m

$608

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 4/10

2:54 pm-7:15 am

1 stop15h 21m

Buenos Aires Ministro Pistarini

Wed 4/22

8:40 pm-10:38 am

1 stop14h 58m

$612

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 4/13

5:27 pm-9:20 am

2 stops14h 53m

Buenos Aires Ministro Pistarini

Mon 4/20

4:50 pm-5:20 am

1 stop13h 30m

$612

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 4/13

4:59 pm-8:50 am

1 stop14h 51m

Buenos Aires Ministro Pistarini

Mon 4/20

10:20 pm-12:40 pm

1 stop15h 20m

$613

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 3/15

6:00 am-6:20 am

1 stop23h 20m

Buenos Aires Ministro Pistarini

Thu 3/26

9:05 pm-8:41 pm

1 stop24h 36m

$621

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 3/11

8:00 am-6:20 am

1 stop21h 20m

Buenos Aires Ministro Pistarini

Thu 3/19

10:55 pm-1:43 pm

1 stop15h 48m

$621

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 4/13

3:00 pm-9:00 am

1 stop17h 00m

Buenos Aires Ministro Pistarini

Mon 4/27

1:10 pm-2:03 pm

1 stop25h 53m

$628

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 4/13

2:00 pm-9:45 am

1 stop18h 45m

Buenos Aires Ministro Pistarini

Mon 4/27

1:10 pm-2:03 pm

1 stop25h 53m

$629

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Thu 5/14

6:00 am-6:25 pm

2 stops35h 25m

Buenos Aires Jorge Newbery

Wed 5/20

8:05 pm-5:07 pm

2 stops22h 02m

$731

Flights are sorted by cheapest round-trip flights 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 $646, 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 $782 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 $619 on momondo.

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

You could potentially save up to 2% 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
DeltaPriceFrom $274Free CancellationRating
7.9
8,242 reviews
Search Delta flights
LATAM AirlinesPriceFrom $278Free CancellationRating
7.5
1,924 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $344Free CancellationRating
7.4
9,371 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $356Free CancellationRating
7.5
1,557 reviews
Search Copa Airlines flights
AviancaPriceFrom $586Free CancellationRating
6.5
2,494 reviews
Search Avianca flights
American AirlinesPriceFrom $599Free CancellationRating
7.1
11,370 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