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Cheap flights from Washington, D.C. Dulles Intl Airport to Buenos Aires from $295

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 4/9. 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 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.
7:45 am - 12:05 amIAD-EZE
15h 20m1 stop
7:00 am - 6:25 amEZE-IAD
24h 25m1 stop
$649Avianca
Find Deal
Thu, May 29 - Sat, Jun 7
4:05 am - 12:05 amIAD-EZE
19h 00m2 stops
7:00 am - 6:25 amEZE-IAD
24h 25m1 stop
$651Avianca
Find Deal
Thu, May 29 - Sat, Jun 7
4:05 am - 5:10 amIAD-EZE
24h 05m3 stops
7:00 am - 6:25 amEZE-IAD
24h 25m1 stop
$667Avianca
Find Deal
Thu, May 29 - Sat, Jun 7
7:45 am - 5:20 amIAD-EZE
20h 35m1 stop
1:40 am - 1:45 pmEZE-IAD
13h 05m1 stop
$673Avianca
Find Deal
Thu, Jun 5 - Sat, Jun 21
4:05 am - 3:40 amIAD-EZE
22h 35m3 stops
7:00 am - 6:25 amEZE-IAD
24h 25m1 stop
Wed, May 14 - Sat, May 24
3:34 pm - 9:55 pmIAD-EZE
28h 21m1 stop
11:55 pm - 3:00 pmEZE-IAD
16h 05m1 stop
$790Aeromexico
Find Deal
Tue, Mar 4 - Fri, Mar 14
4:05 am - 8:00 amIAD-AEP
26h 55m3 stops
10:00 pm - 4:40 amAEP-IAD
31h 40m3 stops
Wed, May 14 - Sat, May 24
9:30 am - 12:46 amIAD-EZE
14h 16m1 stop
10:55 am - 4:19 amEZE-IAD
18h 24m1 stop
$962Copa Airlines
Find Deal
Sun, Mar 9 - Thu, Mar 20
12:30 pm - 9:45 amIAD-EZE
20h 15m1 stop
10:25 pm - 7:19 pmEZE-IAD
21h 54m1 stop
$974Delta
Find Deal
Wed, Mar 12 - Wed, Mar 26
7:35 pm - 9:45 amIAD-EZE
36h 10m1 stop
10:25 pm - 7:19 pmEZE-IAD
21h 54m1 stop
$980Delta
Find Deal
Mon, Mar 3 - Mon, Mar 10
7:45 am - 5:20 amIAD-EZE
20h 35m1 stop
$295Avianca
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Wed, Apr 9
4:05 am - 12:05 amIAD-EZE
19h 00m2 stops
$296Avianca
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Tue, May 6
6:10 am - 7:27 amIAD-EZE
23h 17m1 stop
Wed, Jan 1
8:05 am - 4:13 amIAD-EZE
18h 08m2 stops
Tue, Dec 31
1:12 am - 1:09 amIAD-EZE
21h 57m1 stop
$491Copa Airlines
Find Deal
Thu, Jan 2
5:57 pm - 9:00 amIAD-EZE
13h 03m1 stop
$504Delta
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Sat, Jan 18
3:34 pm - 7:49 amIAD-EZE
14h 15m1 stop
$508Copa Airlines
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Mon, Feb 3
5:33 pm - 7:20 amIAD-EZE
35h 47m1 stop
$605United Airlines
Find Deal
Sat, Feb 8
5:33 pm - 7:20 amIAD-EZE
35h 47m1 stop
$623United Airlines
Find Deal
Sat, Feb 8
7:19 am - 7:15 amIAD-EZE
21h 56m1 stop
$832Delta
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Tue, Dec 24
8:22 am - 12:52 amIAD-EZE
14h 30m1 stop
10:39 am - 3:22 amEZE-IAD
18h 43m1 stop
$1,174Copa Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
3:31 pm - 10:14 pmIAD-EZE
28h 43m1 stop
10:39 am - 3:22 amEZE-IAD
18h 43m1 stop
$1,234Copa Airlines
Find Deal
Thu, Dec 19 - Mon, Dec 30
3:31 pm - 10:14 pmIAD-EZE
28h 43m1 stop
7:10 pm - 3:13 amEZE-IAD
34h 03m2 stops
$1,335
Find Deal
Thu, Dec 19 - Tue, Dec 31
2:20 pm - 6:20 pmIAD-AEP
26h 00m2 stops
5:55 am - 1:00 pmAEP-IAD
33h 05m2 stops
$1,366
Find Deal
Sun, Dec 22 - Tue, Dec 24
2:20 pm - 7:27 amIAD-EZE
15h 07m1 stop
7:19 am - 10:35 pmEZE-IAD
17h 16m2 stops
$1,390Avianca
Find Deal
Mon, Dec 23 - Mon, Dec 30
2:20 pm - 12:15 amIAD-EZE
31h 55m1 stop
1:45 am - 12:10 amEZE-IAD
24h 25m3 stops
$1,459Avianca
Find Deal
Mon, Dec 23 - Tue, Dec 31
7:15 am - 7:15 amIAD-EZE
22h 00m1 stop
9:30 am - 12:38 amEZE-IAD
17h 08m1 stop
$1,519Delta
Find Deal
Mon, Dec 23 - Tue, Dec 31
10:00 am - 7:15 amIAD-EZE
19h 15m1 stop
9:30 am - 12:38 amEZE-IAD
17h 08m1 stop
$1,551Delta
Find Deal
Mon, Dec 23 - Sun, Dec 29
10:24 pm - 9:20 amIAD-EZE
32h 56m1 stop
11:55 pm - 10:34 pmEZE-IAD
24h 39m1 stop
$1,563United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
5:32 pm - 7:20 amIAD-EZE
35h 48m1 stop
10:05 pm - 8:51 pmEZE-IAD
24h 46m1 stop
$1,786United Airlines
Find Deal
Sat, Dec 21 - Mon, Dec 23

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Buenos Aires flight tickets
Air Canada
Mar 10
IAD3:55 pmWashington, D.C. Dulles Intl
21h 30m
2 stops
EZE2:25 pmBuenos Aires Ministro Pistarini
Mar 18
EZE4:00 pmBuenos Aires Ministro Pistarini
20h 31m
2 stops
IAD11:31 amWashington, D.C. Dulles Intl
Air Canada
Mar 11
IAD10:35 amWashington, D.C. Dulles Intl
26h 50m
2 stops
EZE2:25 pmBuenos Aires Ministro Pistarini
Mar 18
EZE4:00 pmBuenos Aires Ministro Pistarini
20h 31m
2 stops
IAD11:31 amWashington, D.C. Dulles Intl
Air Canada
Mar 12
IAD10:35 amWashington, D.C. Dulles Intl
26h 50m
2 stops
EZE2:25 pmBuenos Aires Ministro Pistarini
Mar 19
EZE4:00 pmBuenos Aires Ministro Pistarini
18h 46m
2 stops
IAD9:46 amWashington, D.C. Dulles Intl

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
May 29
IAD7:45 amWashington, D.C. Dulles Intl
15h 20m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
Jun 7
EZE7:00 amBuenos Aires Ministro Pistarini
24h 25m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
Avianca
May 29
IAD4:05 amWashington, D.C. Dulles Intl
19h 00m
2 stops
EZE12:05 amBuenos Aires Ministro Pistarini
Jun 7
EZE7:00 amBuenos Aires Ministro Pistarini
24h 25m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
Avianca
May 29
IAD4:05 amWashington, D.C. Dulles Intl
24h 05m
3 stops
EZE5:10 amBuenos Aires Ministro Pistarini
Jun 7
EZE7:00 amBuenos Aires Ministro Pistarini
24h 25m
1 stop
IAD6:25 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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Buenos Aires?

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 $829, 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 $898.

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 $1,031. 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 Washington, D.C. Dulles Intl Airport to Buenos Aires during this time can be as low as $973. Try not to purchase tickets at noon because they tend to be around $1,112. 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 57 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 $1,023. 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 $549.

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

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Buenos Aires.

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

As of December 2024, prices for Washington, D.C. Dulles Intl Airport to Buenos Aires flights are approximately 9% cheaper 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

$295

Fastest flight time

13h 03m

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 $295. 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 $649.
The fastest flight from Washington, D.C. Dulles Intl Airport to Buenos Aires takes 13h 03m
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 20m 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
1,723 reviews
Search Copa Airlines flights
AviancaPriceFrom $698Free CancellationRating
7.0
2,668 reviews
Search Avianca flights
American AirlinesPriceFrom $833Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $963Free CancellationRating
8.0
8,604 reviews
Search Delta flights
LATAM AirlinesPriceFrom $982Free CancellationRating
7.5
1,879 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $1,003Free CancellationRating
7.4
9,059 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.


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Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires