Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Buenos Aires from $298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires departing on 12/5. 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

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Buenos Aires

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to Buenos Aires that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Dulles Intl Airport to Buenos Aires? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buenos Aires, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. Dulles Intl Airport to Buenos Aires

Find recent round-trip train or bus tickets from Washington, D.C. Dulles Intl Airport to Buenos Aires.

All round-trip flight deals to Buenos Aires

The cheapest plane tickets to Buenos Aires found on KAYAK recently.
2:20 pm - 5:35 amIAD-EZE
13h 15m1 stop
7:10 am - 12:10 amEZE-IAD
19h 00m3 stops
$582Avianca
Find Deal
Fri, Dec 6 - Fri, Dec 13
4:30 am - 12:15 amIAD-EZE
17h 45m2 stops
7:10 am - 12:10 amEZE-IAD
19h 00m3 stops
$615Avianca
Find Deal
Thu, Dec 5 - Fri, Dec 13
6:10 am - 12:15 amIAD-EZE
16h 05m1 stop
1:45 am - 1:00 pmEZE-IAD
13h 15m1 stop
$679Avianca
Find Deal
Mon, Dec 2 - Mon, Dec 9
2:18 am - 12:46 amIAD-EZE
21h 28m1 stop
10:55 am - 4:19 amEZE-IAD
18h 24m1 stop
$682Copa Airlines
Find Deal
Thu, Mar 13 - Sun, Mar 23
2:18 am - 12:46 amIAD-EZE
21h 28m1 stop
2:32 pm - 4:22 amEZE-IAD
14h 50m1 stop
$688Copa Airlines
Find Deal
Mon, Apr 21 - Fri, May 9
7:10 am - 3:55 amIAD-EZE
19h 45m2 stops
3:40 pm - 5:50 amEZE-IAD
39h 10m2 stops
Wed, Mar 12 - Wed, Mar 19
4:00 am - 12:15 amIAD-EZE
19h 15m2 stops
8:00 am - 6:10 pmEZE-IAD
35h 10m3 stops
Tue, Mar 18 - Wed, Apr 2
3:34 pm - 9:50 pmIAD-EZE
28h 16m1 stop
11:55 pm - 3:00 pmEZE-IAD
16h 05m1 stop
$918Aeromexico
Find Deal
Thu, Feb 27 - Wed, Mar 12
12:05 pm - 10:30 amIAD-AEP
20h 25m2 stops
3:40 pm - 11:25 amAEP-IAD
21h 45m2 stops
$974LATAM Airlines
Find Deal
Wed, Feb 5 - Mon, Feb 17
12:30 pm - 10:30 amIAD-AEP
21h 00m2 stops
5:10 pm - 12:43 pmAEP-IAD
20h 33m2 stops
$982LATAM Airlines
Find Deal
Mon, Mar 17 - Mon, Mar 31
2:20 pm - 6:05 amIAD-EZE
13h 45m1 stop
$298Avianca
Find Deal
Thu, Dec 5
8:22 am - 12:52 amIAD-EZE
14h 30m1 stop
$302Copa Airlines
Find Deal
Tue, Dec 31
2:20 pm - 12:15 amIAD-EZE
31h 55m1 stop
$306Avianca
Find Deal
Sat, Nov 30
1:12 am - 12:48 amIAD-EZE
21h 36m1 stop
$462Copa Airlines
Find Deal
Fri, Jan 17
10:05 am - 6:00 amIAD-EZE
17h 55m2 stops
$504Delta
Find Deal
Sat, Nov 30
7:17 am - 7:40 pmIAD-AEP
34h 23m2 stops
$504LATAM Airlines
Find Deal
Tue, Jan 7
7:35 pm - 6:10 pmIAD-EZE
44h 35m2 stops
$555LATAM Airlines
Find Deal
Thu, Mar 6
10:24 pm - 7:20 amIAD-EZE
30h 56m1 stop
$623United Airlines
Find Deal
Thu, Dec 26
5:04 pm - 2:10 pmIAD-AEP
19h 06m2 stops
$674Delta
Find Deal
Mon, Dec 9
10:35 pm - 7:20 amIAD-EZE
30h 45m3 stops
$3,524United Airlines
Find Deal
Tue, Dec 24
6:10 am - 1:25 amIAD-EZE
17h 15m2 stops
1:45 am - 1:00 pmEZE-IAD
13h 15m1 stop
$748Avianca
Find Deal
Mon, Nov 25 - Tue, Nov 26
6:10 am - 12:15 amIAD-EZE
16h 05m1 stop
1:45 am - 1:00 pmEZE-IAD
13h 15m1 stop
$828Avianca
Find Deal
Mon, Nov 25 - Tue, Nov 26
6:10 am - 6:05 amIAD-EZE
21h 55m1 stop
8:15 am - 1:00 pmEZE-IAD
30h 45m1 stop
$854Avianca
Find Deal
Mon, Nov 25 - Wed, Nov 27
8:22 am - 4:13 amIAD-EZE
17h 51m1 stop
3:53 am - 10:35 pmEZE-IAD
44h 42m2 stops
Tue, Nov 26 - Sun, Dec 1
8:25 am - 4:13 amIAD-EZE
17h 48m1 stop
10:39 am - 3:22 amEZE-IAD
18h 43m1 stop
$988Copa Airlines
Find Deal
Tue, Nov 26 - Sun, Dec 8
8:25 am - 10:14 pmIAD-EZE
35h 49m1 stop
2:32 pm - 11:30 pmEZE-IAD
34h 58m1 stop
$992Copa Airlines
Find Deal
Sat, Nov 23 - Mon, Dec 2
6:10 am - 8:00 amIAD-AEP
23h 50m2 stops
9:30 am - 4:50 amAEP-IAD
21h 20m2 stops
$1,032
Find Deal
Sun, Nov 24 - Tue, Nov 26
6:15 am - 7:20 amIAD-EZE
23h 05m1 stop
11:55 pm - 10:34 pmEZE-IAD
24h 39m1 stop
$1,034United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 22
8:21 am - 7:20 amIAD-EZE
20h 59m1 stop
10:05 pm - 10:26 pmEZE-IAD
26h 21m1 stop
$1,635United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
7:55 am - 9:00 amIAD-EZE
23h 05m1 stop
8:55 pm - 8:46 amEZE-IAD
13h 51m1 stop
$1,991Delta
Find Deal
Fri, Nov 22 - Sun, Dec 1

Avianca flights from Washington, D.C. Dulles Intl Airport to Buenos Aires

Our best Avianca deals on Washington, D.C. Dulles Intl Airport to Buenos Aires flight tickets
Avianca
Dec 6
IAD2:20 pmWashington, D.C. Dulles Intl
13h 15m
1 stop
EZE5:35 amBuenos Aires Ministro Pistarini
Dec 13
EZE7:10 amBuenos Aires Ministro Pistarini
19h 00m
3 stops
IAD12:10 amWashington, D.C. Dulles Intl
Avianca
Dec 5
IAD4:30 amWashington, D.C. Dulles Intl
17h 45m
2 stops
EZE12:15 amBuenos Aires Ministro Pistarini
Dec 13
EZE7:10 amBuenos Aires Ministro Pistarini
19h 00m
3 stops
IAD12:10 amWashington, D.C. Dulles Intl
Avianca
Dec 2
IAD6:10 amWashington, D.C. Dulles Intl
16h 05m
1 stop
EZE12:15 amBuenos Aires Ministro Pistarini
Dec 9
EZE1:45 amBuenos Aires Ministro Pistarini
13h 15m
1 stop
IAD1:00 pmWashington, D.C. Dulles Intl

Copa Airlines flights from Washington, D.C. Dulles Intl Airport to Buenos Aires

Our best Copa Airlines deals on Washington, D.C. Dulles Intl Airport to Buenos Aires flight tickets
Copa Airlines
Mar 13
IAD2:18 amWashington, D.C. Dulles Intl
21h 28m
1 stop
EZE12:46 amBuenos Aires Ministro Pistarini
Mar 23
EZE10:55 amBuenos Aires Ministro Pistarini
18h 24m
1 stop
IAD4:19 amWashington, D.C. Dulles Intl
Copa Airlines
Apr 21
IAD2:18 amWashington, D.C. Dulles Intl
21h 28m
1 stop
EZE12:46 amBuenos Aires Ministro Pistarini
May 9
EZE2:32 pmBuenos Aires Ministro Pistarini
14h 50m
1 stop
IAD4:22 amWashington, D.C. Dulles Intl
Copa Airlines
Mar 16
IAD2:18 amWashington, D.C. Dulles Intl
21h 28m
1 stop
EZE12:46 amBuenos Aires Ministro Pistarini
Mar 27
EZE10:55 amBuenos Aires Ministro Pistarini
18h 24m
1 stop
IAD4:19 amWashington, D.C. Dulles Intl

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport is in May. Flight prices, which tend to average around $865, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Washington, D.C. Dulles Intl Airport during August instead. Flights to Buenos Aires in August, while not as cheap as those in May, still average around $899.

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 Washington, D.C. Dulles Intl Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $1,029. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Sunday is $1,098.

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 Washington, D.C. Dulles Intl Airport to Buenos Aires during this time can be as low as $989. Try not to purchase tickets at noon because they tend to be around $1,126. 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?

Most flyers found that booking tickets 60 days in advance of their planned departure date is the best time to get cheap flights to Buenos Aires. During this timeframe, flight prices are around $1,036. Keep in mind that you might also find cheap flights to Buenos Aires outside of this time window. In fact, momondo users recently found flights from Washington, D.C. Dulles Intl Airport to Buenos Aires for $681.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Buenos Aires flights?

You could potentially save up to 2% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Buenos Aires flight.

How have Washington, D.C. Dulles Intl Airport to Buenos Aires flight prices changed over time?

As of November 2024, prices for Washington, D.C. Dulles Intl Airport to Buenos Aires flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Buenos Aires (IAD to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Buenos Aires

Best Price Found

$298

Fastest flight time

13h 15m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from Washington, D.C. Dulles Intl Airport in the past 72 hours is $298. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Buenos Aires found on momondo in the last 72 hours is $582.
The fastest flight from Washington, D.C. Dulles Intl Airport to Buenos Aires takes 13h 15m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Buenos Aires. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Buenos Aires Ministro Pistarini 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)

  • How far is Washington, D.C. Dulles Intl to Buenos Aires by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Buenos Aires is 5223.3 mi. Typically, this will take 13h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport 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.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Buenos Aires?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Buenos Aires

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $549Free CancellationRating
7.7
1,779 reviews
Search Copa Airlines flights
AviancaPriceFrom $658Free CancellationRating
7.0
2,794 reviews
Search Avianca flights
American AirlinesPriceFrom $833Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $963Free CancellationRating
8.0
8,755 reviews
Search Delta flights
LATAM AirlinesPriceFrom $982Free CancellationRating
7.5
1,932 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $1,110Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Buenos Aires?

It is quick and easy to find Washington, D.C. to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

Can I find flights from Washington, D.C. to Buenos Aires with flexible booking policies on momondo?

Flights from Washington, D.C. to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Buenos Aires right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.


An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 11/27
Wed 12/4
Email me momondo's favorite deals

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