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$362+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BUE
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Buenos Aires are usually found in September or November, booked 42 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap 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 juin 12, 2025.

Round-trip from

$1,025
(LATAM Airlines)

One-way from

$362
(Avianca)

Popular in

July

Cheapest in

September

Average price

$1,425
From Denver Intl to Buenos Aires (BUE)
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One-way flight from Denver Intl to Buenos Aires (BUE)
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Highest demand for flights based on searches. 8% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 juin 12, 2025.

This Avianca deal was found by Cheapflights users on 6/11. 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.
mar. 9/169:40 amDEN - EZE
2 stops17h 05mMultiple Airlines
lun. 9/221:40 amEZE - DEN
2 stops19h 00mMultiple Airlines
Deal found 6/11$807
This Copa Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 10/1310:42 pmDEN - EZE
1 stop20h 26mCopa Airlines
jeu. 10/303:57 amEZE - DEN
1 stop17h 13mCopa Airlines
Deal found 6/10$1,013
This LATAM Airlines deal was found by Cheapflights users on 6/11. 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.
mer. 11/192:59 pmDEN - AEP
2 stops21h 01mLATAM Airlines
mer. 12/310:55 pmAEP - DEN
2 stops28h 52mLATAM Airlines
Deal found 6/11$1,025
This Delta deal was found by Cheapflights users on 6/11. 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.
lun. 10/67:05 amDEN - EZE
2 stops27h 20mDelta
jeu. 11/207:35 pmEZE - DEN
2 stops26h 27mDelta
Deal found 6/11$1,025
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/251:53 pmDEN - AEP
2 stops35h 47mMultiple Airlines
mer. 9/1012:05 amAEP - DEN
3 stops38h 44mMultiple Airlines
Deal found 6/12$1,034
This United Airlines deal was found by Cheapflights users on 6/12. 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.
lun. 8/253:40 pmDEN - EZE
1 stop13h 20mUnited Airlines
mer. 9/109:00 pmEZE - DEN
1 stop29h 30mUnited Airlines
Deal found 6/12$1,035
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/257:20 amDEN - EZE
2 stops21h 05mAmerican Airlines
mer. 9/108:30 pmEZE - DEN
1 stop29h 31mAmerican Airlines
Deal found 6/12$1,044
This LATAM Airlines deal was found by Cheapflights users on 6/9. 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.
sam. 8/2312:10 pmDEN - EZE
2 stops20h 47mLATAM Airlines
dim. 8/313:55 amEZE - DEN
2 stops22h 00mLATAM Airlines
Deal found 6/9$1,100
This Air Canada deal was found by Cheapflights users on 6/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/229:40 amDEN - EZE
2 stops25h 50mAir Canada
lun. 9/14:35 pmEZE - DEN
2 stops28h 43mAir Canada
Deal found 6/9$1,131
This Aeromexico deal was found by Cheapflights users on 6/10. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/211:22 pmDEN - EZE
1 stop16h 38mAeromexico
dim. 12/712:00 pmEZE - DEN
1 stop27h 50mAeromexico
Deal found 6/10$1,174
This Ovago deal was found by Cheapflights users on 6/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/311:10 pmDEN - AEP
2 stops20h 30mGOL
sam. 8/91:40 pmAEP - DEN
2 stops23h 05mGOL
Deal found 6/11$1,745

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 juin 12, 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

mar. 9/16

9:40 am-5:45 am

2 stops17h 05m

Buenos Aires Ministro Pistarini

lun. 9/22

1:40 am-5:40 pm

2 stops19h 00m

$807

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

lun. 10/13

10:42 pm-10:08 pm

1 stop20h 26m

Buenos Aires Ministro Pistarini

jeu. 10/30

3:57 am-6:10 pm

1 stop17h 13m

$1,013

DenverBuenos Aires

DEN - AEP

DENAEP

Denver Intl

mer. 11/19

2:59 pm-4:00 pm

2 stops21h 01m

Buenos Aires Jorge Newbery

mer. 12/3

10:55 pm-11:47 pm

2 stops28h 52m

$1,025

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

lun. 10/6

7:05 am-1:25 pm

2 stops27h 20m

Buenos Aires Ministro Pistarini

jeu. 11/20

7:35 pm-6:02 pm

2 stops26h 27m

$1,025

DenverBuenos Aires

DEN - AEP

DENAEP

Denver Intl

lun. 8/25

1:53 pm-4:40 am

2 stops35h 47m

Buenos Aires Jorge Newbery

mer. 9/10

12:05 am-11:49 am

3 stops38h 44m

$1,034

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

lun. 8/25

3:40 pm-8:00 am

1 stop13h 20m

Buenos Aires Ministro Pistarini

mer. 9/10

9:00 pm-11:30 pm

1 stop29h 30m

$1,035

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

lun. 8/25

8:30 am-7:25 am

2 stops19h 55m

Buenos Aires Ministro Pistarini

mer. 9/10

8:30 pm-11:01 pm

1 stop29h 31m

$1,044

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

sam. 8/23

12:10 pm-11:57 am

2 stops20h 47m

Buenos Aires Ministro Pistarini

dim. 8/31

3:55 am-10:55 pm

2 stops22h 00m

$1,100

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

ven. 8/22

9:40 am-2:30 pm

2 stops25h 50m

Buenos Aires Ministro Pistarini

lun. 9/1

4:35 pm-6:18 pm

2 stops28h 43m

$1,131

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

ven. 11/21

1:22 pm-10:00 am

1 stop16h 38m

Buenos Aires Ministro Pistarini

dim. 12/7

12:00 pm-11:50 am

1 stop27h 50m

$1,174

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 24 results
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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 June 9, 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 42 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, April is the cheapest month in which you can book a flight from Denver to Buenos Aires (average of $795). Flying from Denver 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 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 juin 12, 2025.

It’s optimal to fly from Denver to Buenos Aires in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the afternoon.

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 Tuesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 juin 12, 2025.
To help decide which airline to fly from Denver to Buenos Aires, see what other customers have to say about Delta, LATAM Airlines and Copa Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aeromexico
7.5
Good
1,706 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 6 different airlines.

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

    Currently priced at $1,025, 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 Delta and Copa Airlines - these airlines can fly you to your destination from $1,025 and $1,033, respectively. These flights start at 18% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Denver to Buenos Aires one-way?

    The cheapest airlines for a one-way flight from Denver to Buenos Aires are Avianca ($362), Air Canada ($627), and LATAM Airlines ($743).

  • 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, April is the cheapest month in which you can book a flight from Denver to Buenos Aires (average of $795). Flying from Denver 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

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Top 6 airlines flying from Denver to Buenos Aires

Discover the top 6 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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$660Average$927FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$798Average$1,177FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$994Average$1,201FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$1,013Average$1,133FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,013Average$1,209FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,025Average$1,403FlexibilityNo cancel feeOn-time69%

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