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Buenos Aires

$463+ Cheap flights from Missouri 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUE
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Missouri to Buenos Aires

Keep the following information in mind while searching for Missouri to Buenos Aires flight deals. Data was last updated julio 31, 2025.

Round-trip from

$867
(Mytrip)

One-way from

$463
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$1,240
From Missouri to Buenos Aires (BUE)
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One-way flight from Missouri to Buenos Aires (BUE)
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Highest demand for flights based on searches. 0% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Missouri to Buenos Aires

Cheapest flights from Missouri to Buenos Aires
Explore the most affordable flight options available from Missouri to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/31. 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.
jue. 10/25:15 amMCI - AEP
3 stops43h 05mMultiple Airlines
mar. 10/710:55 amAEP - MCI
3 stops38h 55mMultiple Airlines
Deal found 7/31$867
This Avianca Connect deal was found by Cheapflights users on 7/30. 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 Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/145:15 amMCI - EZE
2 stops22h 30mMultiple Airlines
sáb. 9/201:40 amEZE - MCI
2 stops23h 27mMultiple Airlines
Deal found 7/30$925
This Mytrip deal was found by Cheapflights users on 7/30. 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.
jue. 9/1810:35 amSTL - EZE
3 stops35h 35mMultiple Airlines
mié. 10/17:40 amEZE - STL
3 stops28h 00mMultiple Airlines
Deal found 7/30$976
This Gurufare deal was found by Cheapflights users on 7/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/184:21 pmSTL - EZE
2 stops16h 59mGOL
mar. 11/253:15 amEZE - STL
2 stops22h 17mGOL
Deal found 7/31$1,001
This Delta deal was found by Cheapflights users on 7/30. 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.
jue. 9/186:42 pmSTL - EZE
2 stops33h 13mDelta
mié. 10/16:00 amEZE - STL
2 stops18h 00mDelta
Deal found 7/30$1,008
This LATAM Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 9/186:42 pmSTL - AEP
2 stops19h 23mLATAM Airlines
mié. 10/18:40 amAEP - STL
2 stops27h 19mLATAM Airlines
Deal found 7/30$1,017
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/189:00 amSTL - EZE
2 stops18h 20mLATAM Airlines
mié. 11/267:55 amEZE - STL
2 stops17h 04mLATAM Airlines
Deal found 7/30$1,018
This Delta deal was found by Cheapflights users on 7/31. 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.
mar. 11/252:55 pmMCI - EZE
1 stop15h 05mDelta
mar. 12/28:55 pmEZE - MCI
1 stop21h 48mDelta
Deal found 7/31$1,025
This American Airlines deal was found by Cheapflights users on 7/31. 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.
mar. 11/252:54 pmMCI - EZE
2 stops16h 21mAmerican Airlines
mar. 12/210:25 pmEZE - MCI
1 stop14h 20mAmerican Airlines
Deal found 7/31$1,030
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mar. 11/184:21 pmSTL - EZE
1 stop13h 39mAmerican Airlines
mié. 11/269:40 pmEZE - STL
2 stops17h 17mAmerican Airlines
Deal found 7/30$1,030
This KAYAK deal was found by Cheapflights users on 7/31. 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.
mar. 11/258:00 amMCI - AEP
2 stops20h 55mLATAM Airlines
mar. 12/212:40 pmAEP - MCI
3 stops25h 48mLATAM Airlines
Deal found 7/31$1,035
This Air Canada deal was found by Cheapflights users on 7/30. 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.
mar. 8/264:00 pmSTL - EZE
2 stops20h 30mAir Canada
vie. 12/54:45 pmEZE - STL
2 stops25h 44mAir Canada
Deal found 7/30$1,064

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 julio 31, 2025.
Use the filters below to find and compare flights from Missouri to Buenos Aires that are best for you.

Fly from

Missouri

Fly to

Buenos Aires

Route

Depart

Return

Price

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

jue. 10/2

5:15 am-2:20 am

3 stops43h 05m

Buenos Aires Jorge Newbery

mar. 10/7

10:55 am-11:50 pm

3 stops38h 55m

$867

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

dom. 9/14

5:15 am-5:45 am

2 stops22h 30m

Buenos Aires Ministro Pistarini

sáb. 9/20

1:40 am-11:07 pm

2 stops23h 27m

$925

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

jue. 9/18

10:35 am-12:10 am

3 stops35h 35m

Buenos Aires Ministro Pistarini

mié. 10/1

7:40 am-9:40 am

3 stops28h 00m

$976

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

mar. 11/18

4:21 pm-12:20 pm

2 stops16h 59m

Buenos Aires Ministro Pistarini

mar. 11/25

3:15 am-10:32 pm

2 stops22h 17m

$1,001

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

jue. 9/18

6:42 pm-5:55 am

2 stops33h 13m

Buenos Aires Ministro Pistarini

mié. 10/1

6:00 am-10:00 pm

2 stops18h 00m

$1,008

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

jue. 9/18

6:42 pm-4:05 pm

2 stops19h 23m

Buenos Aires Jorge Newbery

mié. 10/1

8:40 am-9:59 am

2 stops27h 19m

$1,017

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

mar. 11/18

9:00 am-6:20 am

2 stops18h 20m

Buenos Aires Ministro Pistarini

mié. 11/26

7:55 am-9:59 pm

2 stops17h 04m

$1,018

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

mar. 11/25

2:55 pm-9:00 am

1 stop15h 05m

Buenos Aires Ministro Pistarini

mar. 12/2

8:55 pm-3:43 pm

1 stop21h 48m

$1,025

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

mar. 11/25

2:54 pm-10:15 am

2 stops16h 21m

Buenos Aires Ministro Pistarini

mar. 12/2

10:25 pm-9:45 am

1 stop14h 20m

$1,030

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

mar. 11/18

4:21 pm-9:00 am

1 stop13h 39m

Buenos Aires Ministro Pistarini

mié. 11/26

9:40 pm-11:57 am

2 stops17h 17m

$1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 22 results
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Best time to book a flight from Missouri to Buenos Aires

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

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

Currently, April is the cheapest month in which you can book a flight from Missouri to Buenos Aires (average of $795). Flying from Missouri 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 MO to BUE?

Find hourly flight availability from Missouri 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 julio 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Buenos Aires as you normally would.

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 julio 31, 2025.
Read through reviews of airlines operating flights from Missouri to Buenos Aires, such as Delta, LATAM Airlines, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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
1,822 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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!
GOL
7.3
Good
1,091 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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 Missouri 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 Missouri to Buenos Aires one-way?

    $478 is the cheapest one-way deal found within the past few days, from GOL. You may also be able to find cheap deals on Delta and LATAM Airlines, with prices starting from $713 and $883, respectively.

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

    The most popular route from Missouri to Buenos Aires is Lambert-St Louis - Buenos Aires Ministro Pistarini. You may also consider Lambert-St Louis - Buenos Aires Jorge Newbery or Kansas City - Buenos Aires Ministro Pistarini.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Missouri to Buenos Aires (average of $795). Flying from Missouri 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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Alternative routes for Missouri to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Missouri to Buenos Aires

Discover the top 3 airlines that operate flights from Missouri 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,023Average$1,274FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,025Average$1,391FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,053Average$1,188FlexibilityNo cancel feeOn-time69%

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