$275 Find Cheap Flights from Washington Dulles Airport to Argentina

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Argentina departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from Dulles Intl to Argentina

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Buenos Aires
Buenos Aires2 stops$596
Mendoza
Mendoza2 stops$640
Cordoba
Cordoba2 stops$640
Ushuaia
Ushuaia3 stops$1,028
Salta
Salta2 stops$2,090
Rosario
Rosario2 stops$834
Mar del Plata
Mar del Plata2 stops$1,493
Buenos Aires
Buenos Aires2 stops$596
Mendoza
Mendoza2 stops$640
Cordoba
Cordoba2 stops$640
Ushuaia
Ushuaia3 stops$1,028
Salta
Salta2 stops$2,090
Rosario
Rosario2 stops$834
Mar del Plata
Mar del Plata2 stops$1,493

Book Cheap Dulles Intl to Argentina Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Argentina that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Argentina

Tue, Oct 21 - Tue, Oct 28
Avianca Logo
5:45 am - 5:45 amIAD-EZE
23h 00m2 stops
Avianca Logo
7:35 am - 5:25 amEZE-IAD
22h 50m1 stop
$596Avianca
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Tue, Oct 21 - Tue, Oct 28
Avianca Logo
4:05 am - 5:45 amIAD-EZE
24h 40m2 stops
Avianca Logo
7:35 am - 2:40 amEZE-IAD
20h 05m2 stops
$597Avianca
Find Deal
Wed, Nov 19 - Fri, Nov 28
Copa Airlines Logo
1:13 am - 1:00 amIAD-EZE
21h 47m1 stop
Copa Airlines Logo
10:01 am - 11:33 pmEZE-IAD
15h 32m1 stop
$628Copa Airlines
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Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
8:30 am - 7:20 amIAD-EZE
20h 50m1 stop
United Airlines Logo
11:55 pm - 10:12 pmEZE-IAD
24h 17m1 stop
$631United Airlines
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Thu, Dec 4 - Mon, Dec 8
Delta Logo
3:38 pm - 3:15 pmIAD-COR
21h 37m2 stops
Delta Logo
7:55 am - 9:10 amCOR-IAD
27h 15m2 stops
$640Delta
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Tue, Nov 18 - Thu, Dec 4
United Airlines Logo
12:55 pm - 7:20 amIAD-EZE
16h 25m1 stop
United Airlines Logo
10:05 pm - 11:23 amEZE-IAD
15h 18m1 stop
$640United Airlines
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Mon, Dec 8 - Thu, Dec 11
LATAM Airlines Logo
10:08 am - 4:00 pmIAD-AEP
27h 52m2 stops
LATAM Airlines Logo
5:15 pm - 11:39 amAEP-IAD
20h 24m2 stops
$640LATAM Airlines
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Fri, Nov 14 - Mon, Nov 24
LATAM Airlines Logo
12:11 pm - 6:45 pmIAD-MDZ
28h 34m2 stops
LATAM Airlines Logo
7:50 am - 9:10 amMDZ-IAD
27h 20m2 stops
$640LATAM Airlines
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Sun, Dec 14 - Tue, Dec 23
Delta Logo
7:01 am - 9:00 amIAD-EZE
23h 59m1 stop
Delta Logo
8:55 pm - 9:46 amEZE-IAD
14h 51m1 stop
$647Delta
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Mon, Nov 3 - Mon, Nov 10
Copa Airlines Logo
1:13 am - 1:00 amIAD-EZE
21h 47m1 stop
Copa Airlines Logo
12:08 am - 2:02 pmEZE-IAD
15h 54m1 stop
$648Copa Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Dulles Intl to Argentina flights

Get data-powered insights and trends into flights from Dulles Intl to Argentina to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Argentina?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Argentina, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Argentina is October, when tickets cost $643 (return) on average. On the other hand, the most expensive months are December and January, when the average cost of round-trip tickets is $1,290 and $989 respectively.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Argentina?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to Argentina clicked on KAYAK for each day over the last 12 months.

When flying from Washington Dulles Airport to Argentina, you should consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to Washington Dulles Airport, you’ll find the best rates on Thursdays and the most expensive ones on Saturdays.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Argentina?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Argentina, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Argentina, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low seasonAugust
Cheapest flight$275
Best time to beat the crowds with an average 34% drop in price.
Most popular time to fly with an average 52% increase in price.
Flight from Washington, D.C. to Buenos Aires Jorge Newbery

FAQs - booking Argentina flights

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Argentina?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Argentina.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Argentina?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to Argentina is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Argentina?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington Dulles Airport to Argentina with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Argentina?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington Dulles Airport to Argentina up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Argentina?

    The cheapest time of day to fly to Argentina is generally at night, when round-trip flights cost $998 on average. Morning departures are around 1% more expensive than evening flights, on average. The most expensive time of day to fly to Argentina is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,105.

Reviews of the top 5 airlines serving from Dulles Intl to Argentina

 
Need help choosing which airline to fly with from Dulles Intl to Argentina? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 7971 reviews
8.5Crew
7.3Food
7.9Entertainment
8.2Boarding
7.9Comfort
Airline reviews

The flight was great. The gate location was way to far away!!!

10.0 ExcellentLauren, Oct 2025JFK - PBI
Read more Delta reviews

The flight was great. The gate location was way to far away!!!

The flight attendant in first class was beyond rude and didn't care at all about her job. AND the gate agent was even worse than the flight attendant for rudeness. She was awful.

Gate agent rushed to fill hot jetway with crowd so it took over 12 minutes to go from gate to plane. Just like a discount airline Pooly prepared cabin and third time that claim of rough air prevented any cabin service. Friends on a Southwest flight at similar time had service.

Cramped seating for me. Luckily it wasn’t a long flight

Lounge in Lagos is terrible, food on board from Lagos to Atlanta was horrible. Only bright spot the cabin crew were awesome.

The airport was reasonably clean. The boarding process reasonably efficient. The cabin crew was efficient, polite but not that friendly. The food quality was unremarkable and the choices were awful . There was either a so so chicken dish or a “ vegetarian “ option which was really cheap carbohydrates drowned in cheese. Signing onto i flight wifi was not straightforward. Overall it was a very average experience

The staff and the boarding procedure were all amazing . The one flight was not equipped with WIFI which now adays seems odd. All in all the experience was good

Passengers need to check in big baggage instead of bringing on the plane. That cause inconvenience for everyone. Otherwise flight was good.

Perfect flight both ways. On time, courteous staff, plane comfortable and cool. Best domestic flights I’ve had in awhile.

The food was terrible especially for a 15 hour international flight. The crew was unpleasant as well.

I liked the meatloaf the chicken was awful but the plane was on time and got there and the staff was nice.

They were super friendly bumped me up to exit row free of charge, All flight legs were on time

Boarding was quick & efficient; they gave boarding groups due priority; staff & air crew were very cordial and helpful, pleasant flight.

As always, Copa Airlines is great to fly on. The flights are always on time, the staff are pleasant and helpful and it's always a wonderful flying experience.

Cops Airlines is fantastic! The level of care and professionalism provided by the entire crew was top rate.

We had a great flight just wished they had a tv so we can see a movie that would of made my trip excellent.

horrible service, food was an embarrassment, no charging for cellphones, stay away

the food served was an embarrassment. No connection for charging the cellphone... What a crappy airline.

Great experience with a crew always thinking in the passenger

I selected first class expecting excetional service. It was mediocre at best. The food service was cold, meal choices was poor and on one leg they did provide dessert. I did enjoy the lay day seat but the movies were old and nothing current. Boarding the plane is always hot. So boarding is quite warm until your in the air. I took a small personal air fan. Update the meals and movies.

Really bad experience – delayed for 6 hours without any notice, no food or drinks provided, and stuck in the horrible Cartagena airport.

I’m entitled to a refund per LATAM due to the mid flight itinerary change and being stuck in São Paulo for 24 hours and needing to get a hotel. The airline was dismissive and of no help.

The flight was late. Please do not delay next time.

I couldn't travel, now I can't get a refund and to change the date I have to pay an absurd fine.

My biggest complaint is the comfort. I am not tall and there was no legroom. It was very uncomfortable. During my transfer in Sao Paola, the flight was slightly delayed so boarding was confusing because there were no instructions in English.

Horrible the worst airlines I have ever flown. Cancelled flight with no choices and when contacted them they were not helpful

I never got this flight. You sent me to Chile!!! And from Chile I got the other flight to São Paulo... I've arrived 7h latter than I was supposed to arrive because of Delta delays.

Because the flight was late, we lost the connection to Brazil. You, Delta delayed, and you Delta anticipated the door closing in 15 min from Miami to GRU. Why? It caused a lot of stress! I almost could not see my mother in law alive because of your delay.

My entertainment did not work. I was very tired from the botched connection, and the poor sleep

Boarding was done by woman who insisted on strict standing in line policy; food was ok; entertainment minimal

Food was poorly timed and not good.. Hand held snacks, really. I kept asking for water and never got any. Service was rushed for a 7-hour flight.

Boarding was organized. Old plane. Seat fairly comfortable. Business Class much too large so you don’t receive as much attention as you should considering what you pay for the seat.

Great service on board. Boarding a bit slow due to process. Food was pretty average.

Very small cramped plane for an international flight. Everything else was good, but it was maybe the smallest comfort-wise I've ever been on for longer than 3-4 hours and the trip was 7.5

Flight was delayed 3 hours. No food and drink vouchers was provided. They offered a mini pretzel bag and water .

Staff was rude. Didn’t give water for 2 hours. Worst service

Was on time until within 1 hour of flight-how does that happen? Staff very friendly.

United could have one single once of customer service. No human United employee would help me with the invalid mileage plus number, they said I had to speak with the computer.

I liked the choice of lemon ginger tea. I think stewardesses can be more considerate of older people needs.

We were given vouchers we couldn’t use with a 5.5 hour delay

Boarding, crew were excellent, food was ok and entertainment need to improve

The seats were uncomfortable and barely reclined at all. Very little leg room despite being business class. The crew was friendly and the food was good. Had to use my own phone for in-flight entertainment.

Boarding was excessively slow. They do it by groups in a way that it doesn’t make sense. After business class , ppl that need assistance and any other priority group they should have ppl board from the back to the front. First rows 20+. Then 15+. Then 10, etc. having ppl sitting in the back board last makes no sense. The libe backame long as soon as ppl on rows 10 or so where told to board. The line went all the way up the ramp and tunnel for 25 mins.

Seats are very tight even in Plus, no complimentary snacks or beverage

I receive a service for what I pay, so it is fair.

Excellent flight and one of the smoothest landing I’ve ever experienced

There isn't much space in-between seats and even water needs to be paid for during the flight.

We did not know about the bag fees until check in. They are way too high. It’s insane. We also had a huge delay and everything costed extra which was very annoying.

Lounge for business was closed. Boarding was rush and stand by. Seat for business is just the middle seat blocked and some more leg room.

Flew with our two children. Paid $380 to check two bags (one was overweight). They then left the bags behind on Sunday, December 21st, with all our family’s clothes and family Christmas presents. When we arrived at our destination they told us the bags had not arrived, and they thought (but didn’t know) they were still in Boston, but that there’d be a flight the next day and the bags would arrive the next day. The next day we found out there was no flight, now we’re hoping we get our bags before we fly back out. Meanwhile, trying to get any engagement or accurate information is a waste of time. The folks at the call center are just gatekeepers, who can’t connect with any departments that actually do things to solve a problem. Getting information is made deliberately difficult. My biggest regret is that I’ve had a number of awful experiences with Avianca traveling between the US and Colombia, and still let myself get suckered into buying these tickets because the schedule was great. Never again.

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