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$346+ Cheap flights from Denver (DEN) 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BUE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Buenos Aires are usually found in October or November, booked 21 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Denver to Buenos Aires

Cheapest flights from Denver to Buenos Aires
Explore the most affordable flight options available from Denver to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/2311:06 pmDEN - EZE
1 stop25h 24mMultiple Airlines
Fri 1/165:16 amEZE - DEN
2 stops34h 58mMultiple Airlines
Deal found 12/16$1,165
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:25 pmDEN - EZE
1 stop15h 55mUnited Airlines
Mon 1/1911:55 pmEZE - DEN
1 stop22h 30mUnited Airlines
Deal found 12/17$1,186
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:42 pmDEN - EZE
2 stops16h 53mLATAM Airlines
Mon 1/198:55 pmEZE - DEN
1 stop16h 45mLATAM Airlines
Deal found 12/16$1,192
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:45 amDEN - EZE
1 stop19h 35mUnited Airlines
Sun 12/2811:55 pmEZE - DEN
1 stop18h 34mUnited Airlines
Deal found 12/16$1,196
This LATAM Airlines deal was found by Cheapflights users on 12/17. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:42 pmDEN - EZE
2 stops16h 53mMultiple Airlines
Mon 1/1911:55 pmEZE - DEN
1 stop16h 15mMultiple Airlines
Deal found 12/17$1,200
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/2311:06 pmDEN - EZE
1 stop25h 24mMultiple Airlines
Wed 1/142:48 pmEZE - DEN
2 stops45h 23mMultiple Airlines
Deal found 12/16$1,227
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:27 pmDEN - AEP
2 stops20h 13mLATAM Airlines
Tue 1/1312:40 pmAEP - DEN
3 stops24h 57mLATAM Airlines
Deal found 12/16$1,246
This LATAM Airlines deal was found by Cheapflights users on 12/18. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:42 pmDEN - EZE
1 stop16h 18mMultiple Airlines
Sun 1/1111:55 pmEZE - DEN
1 stop16h 03mMultiple Airlines
Deal found 12/18$1,246
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:45 amDEN - EZE
1 stop21h 35mUnited Airlines
Sun 12/2111:55 pmEZE - DEN
1 stop15h 49mUnited Airlines
Deal found 12/15$1,254
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/3111:06 pmDEN - EZE
1 stop30h 29mMultiple Airlines
Sun 1/112:48 pmEZE - DEN
2 stops49h 11mMultiple Airlines
Deal found 12/17$1,268
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/2311:06 pmDEN - EZE
1 stop25h 24mMultiple Airlines
Mon 1/129:16 amEZE - DEN
2 stops30h 43mMultiple Airlines
Deal found 12/16$1,280
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:27 pmDEN - AEP
2 stops20h 13mLATAM Airlines
Mon 1/1212:40 pmAEP - DEN
3 stops24h 57mLATAM Airlines
Deal found 12/16$1,636

Find flight deals from Denver to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$923
(Kiwi.com)

One-way from

$346
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$1,402
Provider with most accurate pricing for Denver Intl-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Buenos Aires (BUE) flights.
Search Deals
From Denver Intl to Buenos Aires (BUE)
Search Deals
One-way flight from Denver Intl to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 December 18, 2025.
Use the filters below to find and compare flights from Denver to Buenos Aires that are best for you.

Fly from

Denver

Fly to

Buenos Aires

Route

Depart

Return

Price

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Sat 2/7

4:38 pm-12:35 am

2 stops27h 57m

Buenos Aires Ministro Pistarini

Fri 2/20

11:00 am-9:11 am

1 stop26h 11m

$938

DenverBuenos Aires

DEN - AEP

DENAEP

Denver Intl

Mon 4/6

6:09 pm-6:30 pm

2 stops21h 21m

Buenos Aires Jorge Newbery

Mon 4/13

5:05 pm-11:52 am

2 stops21h 47m

$1,010

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Sat 4/11

10:51 pm-12:50 am

1 stop22h 59m

Buenos Aires Ministro Pistarini

Tue 4/21

3:52 am-6:25 pm

1 stop17h 33m

$1,014

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Sat 2/7

12:07 pm-10:15 am

1 stop18h 08m

Buenos Aires Ministro Pistarini

Fri 2/20

8:55 pm-9:14 pm

1 stop28h 19m

$1,014

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Tue 4/7

10:51 pm-2:30 am

1 stop24h 39m

Buenos Aires Ministro Pistarini

Wed 4/22

5:34 am-6:25 pm

1 stop15h 51m

$1,014

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Wed 4/15

10:51 pm-10:25 pm

1 stop20h 34m

Buenos Aires Ministro Pistarini

Fri 5/1

5:25 am-6:25 pm

1 stop16h 00m

$1,014

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Tue 4/7

10:51 pm-10:25 pm

1 stop20h 34m

Buenos Aires Ministro Pistarini

Thu 4/16

2:21 am-6:25 pm

1 stop19h 04m

$1,014

DenverBuenos Aires

DEN - AEP

DENAEP

Denver Intl

Sat 4/11

1:15 pm-12:00 pm

2 stops19h 45m

Buenos Aires Jorge Newbery

Wed 4/22

8:05 pm-11:52 am

2 stops18h 47m

$1,018

DenverBuenos Aires

DEN - AEP

DENAEP

Denver Intl

Fri 3/20

10:31 am-7:40 pm

2 stops30h 09m

Buenos Aires Jorge Newbery

Sun 3/29

10:35 am-8:14 pm

2 stops36h 39m

$1,018

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Sat 5/9

3:10 pm-12:22 pm

2 stops18h 12m

Buenos Aires Ministro Pistarini

Sun 5/17

7:35 am-11:51 pm

2 stops19h 16m

$1,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 33 results
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Compare providers for flights from Denver to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Buenos Aires in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Denver 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 Denver to Buenos Aires

How far ahead should I book a flight from Denver to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Buenos Aires. Price data was last updated on December 12, 2025.

The price you pay for your flight from Denver to Buenos Aires may vary depending on when you book. For the best chance of a lower fare, look to book 21 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, December is the cheapest month in which you can book a flight from Denver to Buenos Aires (average of $954). Flying from Denver to Buenos Aires in July is currently the most expensive (average of $1,065). 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 DEN to BUE?

Find hourly flight availability from Denver 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 December 18, 2025.

It’s optimal to fly from Denver to Buenos Aires in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Denver to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Denver to Buenos Aires. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Buenos Aires flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.
Read through reviews of airlines operating flights from Denver to Buenos Aires, such as Delta, Copa Airlines, and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.6
Good
1,556 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,893 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,055 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Denver 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 airport do you fly from for flights from Denver to Buenos Aires?

    If you book a flight to Buenos Aires from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There are 0 flights from Denver Intl to Buenos Aires per day from 4 different airlines.

  • How long is the flight from Denver to Buenos Aires?

    Departing from Denver to Buenos Aires will take you 21h 21m. There are 5923 mi between Denver and Buenos Aires. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Denver to Buenos Aires round-trip?

    Currently priced at $935, LATAM Airlines will fly you from Denver to Buenos Aires and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $969 and $1,025, respectively. These flights start at 28% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Buenos Aires?

    Currently, December is the cheapest month in which you can book a flight from Denver to Buenos Aires (average of $954). Flying from Denver to Buenos Aires in July is currently the most expensive (average of $1,065). 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

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Top 4 airlines flying from Denver to Buenos Aires

Discover the top 4 airlines that operate flights from Denver 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$935Average$1,137FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$969Average$1,217FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,025Average$1,255FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,025Average$1,264FlexibilityNo cancel feeOn-time71%

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