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Cheap flights from District of Columbia to Buenos Aires from $268

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 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from District of Columbia to Buenos Aires

Cheap round-trip flights

Avianca Logo
5:45 am - 5:50 amIAD-EZE
22h 05m1 stop
Avianca Logo
4:55 pm - 4:25 amEZE-IAD
13h 30m1 stop
$593Avianca
Find Deal
Sun, Nov 2 - Thu, Nov 20
Avianca Logo
2:35 pm - 5:50 amIAD-EZE
13h 15m1 stop
Avianca Logo
4:55 pm - 2:55 pmEZE-IAD
24h 00m2 stops
$595Avianca
Find Deal
Mon, Nov 10 - Wed, Nov 19
Copa Airlines Logo
2:25 am - 12:55 amIAD-EZE
21h 30m1 stop
Copa Airlines Logo
3:41 am - 11:33 pmEZE-IAD
21h 52m1 stop
$627Copa Airlines
Find Deal
Sun, Oct 19 - Mon, Dec 8
Delta Logo
5:25 pm - 9:45 amIAD-EZE
15h 20m1 stop
Delta Logo
8:10 pm - 11:23 amEZE-IAD
16h 13m1 stop
$630Delta
Find Deal
Fri, Aug 29 - Thu, Sep 4
Delta Logo
7:38 pm - 9:45 amDCA-EZE
13h 07m1 stop
Delta Logo
8:10 pm - 12:40 pmEZE-DCA
17h 30m1 stop
$630Delta
Find Deal
Fri, Aug 29 - Thu, Sep 4
LATAM Airlines Logo
12:27 pm - 7:55 amIAD-AEP
18h 28m2 stops
LATAM Airlines Logo
3:40 pm - 11:57 amAEP-IAD
21h 17m2 stops
$632LATAM Airlines
Find Deal
Wed, Oct 29 - Fri, Oct 31
LATAM Airlines Logo
2:55 pm - 9:40 amDCA-AEP
17h 45m2 stops
LATAM Airlines Logo
6:20 pm - 11:30 amAEP-DCA
18h 10m2 stops
$632LATAM Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 22
Copa Airlines Logo
4:34 pm - 12:44 amIAD-EZE
31h 10m1 stop
Copa Airlines Logo
3:48 am - 4:20 amEZE-IAD
25h 32m1 stop
$640Copa Airlines
Find Deal
Sat, Aug 30 - Thu, Sep 4
American Airlines Logo
7:23 pm - 10:15 amDCA-EZE
13h 52m1 stop
American Airlines Logo
8:40 pm - 1:17 pmEZE-DCA
17h 37m2 stops
$644American Airlines
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Sun, Sep 7 - Sun, Sep 21
American Airlines Logo
7:00 am - 7:05 amDCA-EZE
22h 05m1 stop
American Airlines Logo
11:59 pm - 12:41 pmEZE-DCA
14h 42m1 stop
$689American Airlines
Find Deal
Mon, Nov 3 - Mon, Nov 17

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
Oct 19
IAD2:25 amWashington, D.C. Dulles Intl
21h 30m
1 stop
EZE12:55 amBuenos Aires Ministro Pistarini
Dec 8
EZE3:41 amBuenos Aires Ministro Pistarini
21h 52m
1 stop
IAD11:33 pmWashington, D.C. Dulles Intl
$627
Find similar
Copa Airlines
Aug 30
IAD4:34 pmWashington, D.C. Dulles Intl
31h 10m
1 stop
EZE12:44 amBuenos Aires Ministro Pistarini
Sep 4
EZE3:48 amBuenos Aires Ministro Pistarini
25h 32m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$640
Find similar
Copa Airlines
Aug 22
IAD8:59 amWashington, D.C. Dulles Intl
14h 56m
1 stop
EZE12:55 amBuenos Aires Ministro Pistarini
Sep 13
EZE2:33 pmBuenos Aires Ministro Pistarini
14h 47m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$647
Find similar

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
Sep 7
DCA7:23 pmWashington, D.C. Reagan-National
13h 52m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
Sep 21
EZE8:40 pmBuenos Aires Ministro Pistarini
17h 37m
2 stops
DCA1:17 pmWashington, D.C. Reagan-National
$644
Find similar
American Airlines
Nov 3
DCA7:00 amWashington, D.C. Reagan-National
22h 05m
1 stop
EZE7:05 amBuenos Aires Ministro Pistarini
Nov 17
EZE11:59 pmBuenos Aires Ministro Pistarini
14h 42m
1 stop
DCA12:41 pmWashington, D.C. Reagan-National
$689
Find similar
American Airlines
Aug 19
IAD7:44 amWashington, D.C. Dulles Intl
24h 16m
2 stops
EZE9:00 amBuenos Aires Ministro Pistarini
Oct 2
EZE8:40 pmBuenos Aires Ministro Pistarini
23h 11m
2 stops
IAD6:51 pmWashington, D.C. Dulles Intl
$694
Find similar

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 August 17, 2025.
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 11/2

5:45 am-5:50 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Thu 11/20

4:55 pm-4:25 am

1 stop13h 30m

$593

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 11/10

2:35 pm-5:50 am

1 stop13h 15m

Buenos Aires Ministro Pistarini

Wed 11/19

4:55 pm-2:55 pm

2 stops24h 00m

$595

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 10/19

2:25 am-12:55 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Mon 12/8

3:41 am-11:33 pm

1 stop21h 52m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 8/29

5:25 pm-9:45 am

1 stop15h 20m

Buenos Aires Ministro Pistarini

Thu 9/4

8:10 pm-11:23 am

1 stop16h 13m

$630

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 8/29

7:38 pm-9:45 am

1 stop13h 07m

Buenos Aires Ministro Pistarini

Thu 9/4

8:10 pm-12:40 pm

1 stop17h 30m

$630

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 10/29

12:27 pm-7:55 am

2 stops18h 28m

Buenos Aires Jorge Newbery

Fri 10/31

3:40 pm-11:57 am

2 stops21h 17m

$632

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Wed 10/1

2:55 pm-9:40 am

2 stops17h 45m

Buenos Aires Jorge Newbery

Wed 10/22

6:20 pm-11:30 am

2 stops18h 10m

$632

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 8/30

4:34 pm-12:44 am

1 stop31h 10m

Buenos Aires Ministro Pistarini

Thu 9/4

3:48 am-4:20 am

1 stop25h 32m

$640

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 9/7

7:23 pm-10:15 am

1 stop13h 52m

Buenos Aires Ministro Pistarini

Sun 9/21

8:40 pm-1:17 pm

2 stops17h 37m

$644

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 11/3

7:00 am-7:05 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Mon 11/17

11:59 pm-12:41 pm

1 stop14h 42m

$689

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 September. Flight prices, which tend to average around $732, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Buenos Aires from District of Columbia during October instead. Flights to Buenos Aires in October, while not as cheap as those in September, still average around $791.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from District of Columbia is on a Monday. momondo users have found tickets for Monday departures for as low as $1,031. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $1,094.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the morning. Flights from District of Columbia to Buenos Aires during this time can be as low as $969. Try not to purchase tickets at noon because they tend to be around $1,107. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $923 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 $779 on momondo.

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

Best Price Found

$268

Fastest flight time

13h 05m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from District of Columbia in the past 72 hours is $268. The best round-trip flight deal from District of Columbia to Buenos Aires found on momondo in the last 72 hours is $593.
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. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Buenos Aires Ministro Pistarini Airport, Washington, D.C. Reagan-National Airport - Buenos Aires Jorge Newbery Airport and Washington, D.C. Dulles Intl Airport - Buenos Aires Jorge Newbery Airport.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)
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  • 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
Copa AirlinesPriceFrom $568Free CancellationRating
7.5
1,509 reviews
Search Copa Airlines flights
AviancaPriceFrom $605Free CancellationRating
6.7
2,405 reviews
Search Avianca flights
American AirlinesPriceFrom $629Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
8,919 reviews
Search United Airlines flights
DeltaPriceFrom $629Free CancellationRating
8.0
7,986 reviews
Search Delta flights
LATAM AirlinesPriceFrom $678Free CancellationRating
7.5
1,841 reviews
Search LATAM 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