HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$492+ Cheap flights from Kansas City (MCI) 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BUE
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansas City 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 Kansas City to Buenos Aires

Cheapest flights from Kansas City to Buenos Aires
Explore the most affordable flight options available from Kansas City to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.

This United Airlines deal was found by Cheapflights users on 3/29. 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 5/184:15 pm
MCI
-
EZE
1 stop13h 45m
United Airlines
Tue 5/269:00 pm
EZE
-
MCI
1 stop15h 03m
United Airlines
Deal found 3/29$957
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 5/196:17 am
MCI
-
EZE
2 stops23h 43m
United Airlines
Tue 5/269:00 pm
EZE
-
MCI
2 stops21h 00m
United Airlines
Deal found 3/29$961
This United Airlines deal was found by Cheapflights users on 3/29. 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 5/176:17 am
MCI
-
EZE
2 stops47h 43m
United Airlines
Tue 5/269:00 pm
EZE
-
MCI
2 stops28h 03m
United Airlines
Deal found 3/29$978
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/267:00 pm
MCI
-
EZE
2 stops35h 00m
United Airlines
Thu 5/149:00 pm
EZE
-
MCI
2 stops39h 33m
United Airlines
Deal found 3/27$995
This Delta deal was found by Cheapflights users on 3/26. 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.
Mon 4/2712:25 pm
MCI
-
EZE
2 stops18h 55m
Delta
Mon 5/117:35 am
EZE
-
MCI
2 stops18h 14m
Delta
Deal found 3/26$1,038
This KAYAK deal was found by Cheapflights users on 3/27. 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.
Tue 4/286:47 pm
MCI
-
EZE
1 stop12h 58m
LATAM Airlines
Wed 5/138:10 pm
EZE
-
MCI
1 stop17h 06m
LATAM Airlines
Deal found 3/27$1,039
This KAYAK deal was found by Cheapflights users on 3/29. 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.
Wed 5/205:13 pm
MCI
-
AEP
2 stops24h 27m
LATAM Airlines
Thu 5/283:45 pm
AEP
-
MCI
2 stops21h 31m
LATAM Airlines
Deal found 3/29$1,039
This Delta deal was found by Cheapflights users on 3/26. 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.
Mon 4/2712:25 pm
MCI
-
AEP
2 stops17h 15m
Delta
Mon 5/118:05 pm
AEP
-
MCI
2 stops19h 54m
Delta
Deal found 3/26$1,047
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/114:15 pm
MCI
-
EZE
1 stop13h 45m
United Airlines
Wed 6/109:00 pm
EZE
-
MCI
1 stop19h 15m
United Airlines
Deal found 3/27$1,052
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/2711:30 am
MCI
-
EZE
2 stops18h 30m
United Airlines
Wed 5/139:00 pm
EZE
-
MCI
2 stops27h 04m
United Airlines
Deal found 3/27$1,071
This United Airlines deal was found by Cheapflights users on 3/29. 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 5/176:17 am
MCI
-
EZE
2 stops47h 43m
United Airlines
Tue 6/29:00 pm
EZE
-
MCI
1 stop19h 15m
United Airlines
Deal found 3/29$1,073
This United Airlines deal was found by Cheapflights users on 3/29. 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 5/316:20 pm
MCI
-
EZE
1 stop35h 40m
United Airlines
Mon 6/89:00 pm
EZE
-
MCI
1 stop19h 15m
United Airlines
Deal found 3/29$1,086

Find flight deals from Kansas City to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) 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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$957
(United Airlines)

One-way from

$536
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$1,383
Provider with most accurate pricing for Kansas City-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Buenos Aires (BUE) flights.
Search Deals
From Kansas City to Buenos Aires (BUE)
Search Deals
One-way flight from Kansas City to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City 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 March 29, 2026.
Use the filters below to find and compare flights from Kansas City to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 5/18

4:15 pm-8:00 am

1 stop13h 45m

Buenos Aires Ministro Pistarini

Tue 5/26

9:00 pm-10:03 am

1 stop15h 03m

$957

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 5/11

6:15 am-8:00 am

1 stop23h 45m

Buenos Aires Ministro Pistarini

Mon 5/18

9:00 pm-2:01 pm

1 stop19h 01m

$957

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 4/27

3:04 pm-9:45 am

1 stop16h 41m

Buenos Aires Ministro Pistarini

Mon 5/11

7:35 am-11:49 pm

2 stops18h 14m

$1,038

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Mon 5/11

3:06 pm-4:00 pm

2 stops22h 54m

Buenos Aires Jorge Newbery

Mon 5/18

8:05 pm-11:16 am

2 stops17h 11m

$1,047

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Mon 4/27

12:25 pm-7:40 am

2 stops17h 15m

Buenos Aires Jorge Newbery

Mon 5/11

8:05 pm-1:59 pm

2 stops19h 54m

$1,047

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 5/11

2:59 pm-8:00 am

1 stop15h 01m

Buenos Aires Ministro Pistarini

Wed 6/10

9:00 pm-4:00 pm

2 stops21h 00m

$1,056

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Sun 5/31

6:20 pm-8:00 am

1 stop35h 40m

Buenos Aires Ministro Pistarini

Mon 6/8

9:00 pm-9:42 pm

2 stops26h 42m

$1,090

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Wed 5/27

8:30 am-8:00 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Sun 6/7

9:00 pm-2:15 pm

1 stop19h 15m

$1,092

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Wed 6/3

4:09 pm-4:00 pm

2 stops21h 51m

Buenos Aires Jorge Newbery

Mon 6/15

8:05 pm-7:16 pm

2 stops25h 11m

$1,147

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Tue 6/2

3:06 pm-4:00 pm

2 stops22h 54m

Buenos Aires Jorge Newbery

Mon 6/15

8:05 pm-7:16 pm

2 stops25h 11m

$1,147

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 26 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Kansas City 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 Kansas City to Buenos Aires in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*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 Kansas City-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub 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 Kansas City-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 Kansas City to Buenos Aires

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

How much does it cost to fly round-trip from Kansas City to Buenos Aires?

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 March 29, 2026.
Get a feel of what it's like to fly with Delta and United Airlines from Kansas City to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,359 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

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
8,359 reviews
Delta
7.9
Good
8,359 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

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
9,509 reviews
Delta
7.9
Good
8,359 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

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 Kansas City 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 Kansas City to Buenos Aires?

    Kansas City (MCI) is the airport you will fly out of if you book a flight from Kansas City to Buenos Aires. You should not have trouble finding flights to Buenos Aires from Kansas City; the airport handles an average of 0 outbound flights to Buenos Aires per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Kansas City airport to Buenos Aires. It is only a 17.4 mi journey to Kansas City (MCI) from Kansas City’s city center.

  • How long is the flight from Kansas City to Buenos Aires?

    A quick flight from Kansas City to Buenos Aires can take about 13h 45m. United Airlines provides one of the quickest options available for as low as $957. The distance between Kansas City and Buenos Aires is about 5614 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Kansas City to Buenos Aires round-trip from $857. Other airlines that can offer you cheap pricing are LATAM Airlines, from $925, and United Airlines, from $1,186. You may be able to fly from Kansas City to Buenos Aires for 32% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kansas City 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.

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 Kansas City to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Ministro Pistarini flights

Top 3 airlines flying from Kansas City to Buenos Aires

Discover the top 3 airlines that operate flights from Kansas City 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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$857Average$1,188FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$925Average$1,333FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$1,186Average$1,388FlexibilityNo 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.