HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$393+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BUE
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver 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.

Cheapflights Tip: The best prices from Denver Intl to Buenos Aires are usually found in September or October, 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 August 18, 2025.

Round-trip from

$911
(Avianca)

One-way from

$393
(Avianca)

Popular in

July

Cheapest in

September

Average price

$1,237
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. 8% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 18, 2025.

This Avianca deal was found by Cheapflights users on 8/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:56 pmDEN - EZE
2 stops41h 54mAvianca
Wed 11/194:55 pmEZE - DEN
2 stops29h 10mAvianca
Deal found 8/17$911
This Trip.com deal was found by Cheapflights users on 8/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:55 pmDEN - EZE
1 stop21h 20mMultiple Airlines
Fri 9/198:00 amEZE - DEN
2 stops38h 07mMultiple Airlines
Deal found 8/15$918
This Avianca deal was found by Cheapflights users on 8/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:00 amDEN - EZE
2 stops52h 50mAvianca
Wed 11/197:35 amEZE - DEN
2 stops38h 30mAvianca
Deal found 8/17$923
This eDestinos deal was found by Cheapflights users on 8/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:34 amDEN - AEP
2 stops28h 46mMultiple Airlines
Fri 10/315:15 amAEP - DEN
2 stops31h 06mMultiple Airlines
Deal found 8/17$955
This Avianca deal was found by Cheapflights users on 8/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:56 pmDEN - EZE
2 stops41h 54mAvianca
Tue 11/254:55 pmEZE - DEN
2 stops29h 10mAvianca
Deal found 8/17$993
This Copa Airlines deal was found by Cheapflights users on 8/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:36 pmDEN - EZE
1 stop20h 55mCopa Airlines
Sun 12/73:41 amEZE - DEN
1 stop17h 36mCopa Airlines
Deal found 8/18$1,013
This LATAM Airlines deal was found by Cheapflights users on 8/17. 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 11/311:26 amDEN - AEP
2 stops25h 34mLATAM Airlines
Thu 11/273:40 pmAEP - DEN
2 stops24h 15mLATAM Airlines
Deal found 8/17$1,025
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 11/67:45 amDEN - EZE
1 stop21h 35mUnited Airlines
Mon 11/2410:05 pmEZE - DEN
1 stop24h 02mUnited Airlines
Deal found 8/17$1,025
This eDestinos deal was found by Cheapflights users on 8/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:55 pmDEN - AEP
2 stops34h 25mMultiple Airlines
Sun 9/149:05 pmAEP - DEN
3 stops41h 00mMultiple Airlines
Deal found 8/16$1,027
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:30 amDEN - EZE
2 stops19h 45mDelta
Wed 12/38:55 pmEZE - DEN
1 stop19h 00mDelta
Deal found 8/17$1,030
This Copa Airlines deal was found by Cheapflights users on 8/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:36 pmDEN - EZE
1 stop23h 24mCopa Airlines
Sun 11/235:11 amEZE - DEN
1 stop16h 06mCopa Airlines
Deal found 8/16$1,033
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 11/27:25 pmDEN - EZE
1 stop31h 55mUnited Airlines
Mon 11/1711:55 pmEZE - DEN
1 stop23h 51mUnited Airlines
Deal found 8/17$1,035

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 August 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

Thu 10/30

8:00 am-3:50 pm

2 stops28h 50m

Buenos Aires Ministro Pistarini

Tue 11/18

4:55 pm-6:05 pm

2 stops29h 10m

$911

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Tue 11/4

5:56 pm-3:50 pm

2 stops41h 54m

Buenos Aires Ministro Pistarini

Wed 11/19

4:55 pm-6:05 pm

2 stops29h 10m

$911

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Tue 11/4

5:56 pm-3:50 pm

2 stops41h 54m

Buenos Aires Ministro Pistarini

Sun 11/23

4:55 pm-6:05 pm

2 stops29h 10m

$911

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Thu 9/4

6:55 pm-7:15 pm

1 stop21h 20m

Buenos Aires Ministro Pistarini

Fri 9/19

8:00 am-7:07 pm

2 stops38h 07m

$918

DenverBuenos Aires

DEN - AEP

DENAEP

Denver Intl

Sun 10/12

12:34 am-8:20 am

2 stops28h 46m

Buenos Aires Jorge Newbery

Fri 10/31

5:15 am-9:21 am

2 stops31h 06m

$955

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Mon 12/1

9:36 pm-10:31 pm

1 stop20h 55m

Buenos Aires Ministro Pistarini

Sun 12/7

3:41 am-5:17 pm

1 stop17h 36m

$1,013

DenverBuenos Aires

DEN - AEP

DENAEP

Denver Intl

Mon 11/3

11:26 am-5:00 pm

2 stops25h 34m

Buenos Aires Jorge Newbery

Thu 11/27

3:40 pm-11:55 am

2 stops24h 15m

$1,025

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Wed 11/5

12:42 pm-10:15 am

1 stop17h 33m

Buenos Aires Ministro Pistarini

Wed 11/19

8:55 pm-2:02 pm

1 stop21h 07m

$1,025

DenverBuenos Aires

DEN - AEP

DENAEP

Denver Intl

Thu 11/6

2:57 pm-2:00 pm

2 stops19h 03m

Buenos Aires Jorge Newbery

Wed 11/26

10:35 am-10:20 am

2 stops27h 45m

$1,025

DenverBuenos Aires

DEN - EZE

DENEZE

Denver Intl

Wed 11/5

12:50 pm-9:00 am

1 stop16h 10m

Buenos Aires Ministro Pistarini

Tue 11/25

8:55 pm-11:55 am

1 stop19h 00m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 30 results
1
2
3

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 August 8, 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 August 18, 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.

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 18, 2025.
Read through reviews of airlines operating flights from Denver to Buenos Aires, such as Delta, LATAM Airlines, and Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
1,844 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
1,510 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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.

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

    Departing from Denver to Buenos Aires will take you 20h 55m. There are 5934 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 $660, Copa Airlines will fly you from Denver to Buenos Aires and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and LATAM Airlines - these airlines can fly you to your destination from $798 and $935, respectively. These flights start at 47% 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, 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

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

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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$660Average$927FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$798Average$1,177FlexibilityNo cancel feeOn-time67%
LATAM AirlinesCheapest$935Average$1,118FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,013Average$1,268FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,025Average$1,252FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,025Average$1,387FlexibilityNo cancel feeOn-time69%

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.