Buenos Aires

$267+ Cheap flights from the United States to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUE
Aug 19 — Aug 261
We work with more than 300 partners to bring you better travel deals

Find cheap flights from USA to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from USA to Buenos Aires

Keep the following information in mind while searching for USA to Buenos Aires flight deals. Data was last updated August 14, 2025.

Round-trip from

$627
(Copa Airlines)

One-way from

$267
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$1,101

Good round-trip deal

$781 or less

Good one-way deal

$448 or less
From USA to Buenos Aires (BUE)
One-way flight from USA to Buenos Aires (BUE)
Highest demand for flights based on searches. 5% potential increase in price ($62 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from USA to Buenos Aires (BUE).
Price to beat on a one-way flight from USA to Buenos Aires (BUE).

Find flight deals from USA to Buenos Aires

Cheapest flights from USA to Buenos Aires
Explore the most affordable flight options available from USA to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Copa Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:13 amIAD - EZE
1 stop19h 18mCopa Airlines
Tue 11/252:32 pmEZE - IAD
1 stop14h 50mCopa Airlines
Deal found 8/14$627
This Priceline deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:45 amIAD - EZE
2 stops17h 25mAvianca
Tue 8/261:40 amEZE - IAD
2 stops17h 25mAvianca
Deal found 8/14$628
This Avianca deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:00 amIAD - EZE
1 stop21h 45mAvianca
Wed 9/101:40 amEZE - IAD
1 stop13h 20mAvianca
Deal found 8/14$630
This Avianca deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:05 amIAD - EZE
2 stops19h 05mAvianca
Sat 9/274:45 pmEZE - IAD
1 stop13h 50mAvianca
Deal found 8/14$631
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:45 amIAD - EZE
2 stops17h 25mAvianca
Sun 10/191:40 amEZE - IAD
2 stops26h 05mAvianca
Deal found 8/13$635
This Priceline deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/224:15 pmIAD - EZE
2 stops21h 35mAvianca
Sun 11/304:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 8/14$636
This Cheapflightsfares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:05 amIAD - EZE
2 stops19h 05mAvianca
Thu 10/21:40 amEZE - IAD
1 stop13h 20mAvianca
Deal found 8/13$637
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:20 pmIAD - EZE
2 stops16h 35mDelta
Wed 9/108:10 pmEZE - IAD
1 stop16h 30mDelta
Deal found 8/14$639
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:45 amIAD - EZE
1 stop22h 05mAvianca
Sun 11/164:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 8/13$640
This Cheapflightsfares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:35 pmIAD - EZE
1 stop13h 15mAvianca
Mon 11/241:40 amEZE - IAD
2 stops26h 00mAvianca
Deal found 8/14$641
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:45 amMIA - EZE
2 stops25h 00mMultiple Airlines
Mon 10/136:50 amEZE - MIA
1 stop12h 05mMultiple Airlines
Deal found 8/13$690
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/79:45 amMIA - AEP
2 stops16h 55mMultiple Airlines
Tue 10/147:00 amAEP - MIA
1 stop11h 55mMultiple Airlines
Deal found 8/13$690

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from the United States to Buenos Aires that are best for you.

Fly from

USA

Fly to

Buenos Aires

Route

Depart

Return

Price

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 10/8

2:25 am-12:55 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Sun 10/19

5:04 am-12:30 am

1 stop20h 26m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 10/5

2:25 am-10:08 pm

1 stop18h 43m

Buenos Aires Ministro Pistarini

Tue 10/21

10:07 am-4:20 am

1 stop19h 13m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 10/6

2:25 am-12:34 am

1 stop21h 09m

Buenos Aires Ministro Pistarini

Fri 10/17

10:07 am-12:30 am

1 stop15h 23m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/11

1:13 am-10:31 pm

1 stop19h 18m

Buenos Aires Ministro Pistarini

Tue 11/25

2:32 pm-3:22 am

1 stop14h 50m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 9/6

2:25 am-10:08 pm

1 stop18h 43m

Buenos Aires Ministro Pistarini

Sun 9/28

2:33 pm-4:20 am

1 stop14h 47m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 9/15

2:25 am-10:08 pm

1 stop18h 43m

Buenos Aires Ministro Pistarini

Sat 9/27

5:04 am-4:20 am

1 stop24h 16m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 10/13

2:25 am-12:34 am

1 stop21h 09m

Buenos Aires Ministro Pistarini

Tue 10/28

2:32 pm-4:20 am

1 stop14h 48m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 8/25

7:00 am-5:45 am

1 stop21h 45m

Buenos Aires Ministro Pistarini

Tue 9/9

6:50 am-2:45 am

2 stops20h 55m

$631

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 9/7

7:00 am-5:45 am

1 stop21h 45m

Buenos Aires Ministro Pistarini

Sat 9/20

1:40 am-2:45 am

2 stops26h 05m

$637

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Sun 9/21

9:45 am-8:30 am

1 stop21h 45m

Buenos Aires Jorge Newbery

Fri 9/26

4:55 am-8:15 am

1 stop28h 20m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
1
2
3
...
6

The best insider tips for theUnited States to Buenos Aires flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Buenos Aires trip
Airlines
American Airlines

Enjoy Flagship First with 21.8” wide seats and 15.4” HD screens on select aircraft.


Choose Main Cabin Extra for 34”-35” seat pitch and more comfort.

Delta

Delta One offers lie-flat seats with duvets and lumbar pillows on long-haul routes.


Free Wi-Fi on long-haul routes for SkyMiles members.

Read more about Deltaby Harriet Baskas
Aerolineas Argentinas

Business Class offers 180º recline on select A330-200 aircraft.


Premium Economy offers lounge access at EZE airport.

LATAM Airlines

LATAM Premium Business offers lie-flat beds on international flights.


Upgrade to LATAM+ for more legroom and earlier boarding.

United Airlines

Polaris Business Class features lie-flat seats and Saks Fifth Avenue bedding.


Premium Plus offers extra legroom and upgraded meals on international flights.

Avianca

Avianca Business Class offers lie-flat seats on long-haul flights.


Check-in online to avoid slow lines at the airport.

Airports
EZE

At EZE, taxis and remises are convenient for reaching downtown Buenos Aires, typically taking under an hour, depending on traffic.

Read more about EZEby Taryn White
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on American Airlines and Aerolineas Argentinas

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on Delta and United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Paul Rubio

Paul Rubio

Expert on LATAM Airlines

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Matt Meltzer

Matt Meltzer

Expert on Avianca

Matt Meltzer

Matt Meltzer

Matt Meltzer has been a travel writer for over a decade, covering U.S. domestic locations and hotels for Thrillist, Fifty Grande, Matador Network, Conde Nast Traveler, and other top publications. He's won multiple travel journalism awards from the Society of American Travel Writers and North American Travel Journalists Association, and currently resides in South Florida.

Read more
Taryn White

Taryn White

Expert on EZE

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

Best time to book a flight from USA to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from USA with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to Buenos Aires

What is the cheapest month to book a flight from USA to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from USA to Buenos Aires (average of $795). Flying from USA to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from US to BUE?

Find hourly flight availability from USA to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from USA to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated August 14, 2025.
See what other customers who have flown with Aerolineas Argentinas, Delta, and LATAM Airlines from the United States to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.1

Entertainment

5.7

Crew

8.3

Comfort

7.5

Boarding

8.0

Food

6.5

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Overall

8.1

Entertainment

5.7

Crew

8.3

Comfort

7.5

Boarding

8.0

Food

6.5

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
8.0
Very good

Overall

8.1

Entertainment

5.7

Crew

8.3

Comfort

7.5

Boarding

8.0

Food

6.5

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Overall

8.1

Entertainment

5.7

Crew

8.3

Comfort

7.5

Boarding

8.0

Food

6.5

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Overall

8.1

Entertainment

5.7

Crew

8.3

Comfort

7.5

Boarding

8.0

Food

6.5

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Overall

8.1

Entertainment

5.7

Crew

8.3

Comfort

7.5

Boarding

8.0

Food

6.5

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Related info for your journey

Find useful and relevant information for your journey from USA to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from USA to Buenos Aires one-way?

    The cheapest airlines for a one-way flight from USA to Buenos Aires are Avianca ($267), Arajet ($317), and Copa Airlines ($336).

  • What are the most popular routes from USA to Buenos Aires?

  • Can I find deals for flights from USA to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on USA to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Buenos Aires.

  • Can I find deals for business class flights from USA to Buenos Aires?

    Yes. Cheapflights offers flight deals from USA to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from USA to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from USA to Buenos Aires (average of $795). Flying from USA to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from USA to Buenos Aires

Discover the top 10 airlines that operate flights from USA to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$159Average$1,222FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$444Average$1,078FlexibilityNo cancel feeOn-time70%
ArajetCheapest$448Average$728FlexibilityNo cancel feeOn-timeN/A
GOLCheapest$519Average$1,156FlexibilityNo cancel feeOn-time74%
LATAM AirlinesCheapest$528Average$1,025FlexibilityNo cancel feeOn-time81%
AviancaCheapest$535Average$844FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$618Average$1,167FlexibilityNo cancel feeOn-time69%
DeltaCheapest$661Average$1,214FlexibilityNo cancel feeOn-timeN/A
Aerolineas ArgentinasCheapest$663Average$1,226FlexibilityNo cancel feeOn-time59%
BoACheapest$672Average$808FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.