What is the cheapest airline that flies from Missouri to Buenos Aires?

Copa Airlines, LATAM Airlines, and Delta are the most popular carriers operating from Missouri to Buenos Aires

What airlines fly to Buenos Aires?

Delta, LATAM Airlines and American Airlines are the top three most popular airlines that fly to Buenos Aires from Missouri according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 3 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Buenos Aires?

On average, it takes 13h 12m to fly from Missouri to Buenos Aires if you fly out of Kansas City (the most popular airport in Missouri) and into Buenos Aires Ministro Pistarini Airport (the most popular airport in Buenos Aires). If you’re flying out of St. Louis and into Buenos Aires Ministro Pistarini Airport, then the flight time is around 14h 48m.

When did momondo last update prices for flights from Missouri to Buenos Aires?

Prices for flights from Missouri to Buenos Aires are refreshed on a daily basis.

How many operators does momondo search for flights from Missouri to Buenos Aires?

The number of operators available for flights from Missouri to Buenos Aires is 3 as of September 2026.

How old do you have to be to fly from Missouri to Buenos Aires?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$482 Cheap Flights from Missouri to Buenos Aires in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:44 pm - 4:00 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

30h 16m3 stops Atlanta Hartsfield-Jackson Miami Punta Cana

2:40 pm - 11:59 pmEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

36h 19m3 stops Miami Atlanta Hartsfield-Jackson Orlando

$1,049Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

6:00 am - 7:35 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

22h 35m1 stop Atlanta Hartsfield-Jackson

9:30 pm - 6:01 pmEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

23h 31m1 stop Atlanta Hartsfield-Jackson

$1,153LATAM Airlines

Mon, Feb 15 - Mon, Feb 22

8:00 am - 7:40 amMCI Kansas City-AEP Buenos Aires Jorge Newbery

21h 40m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 11:09 amAEP Buenos Aires Jorge Newbery-MCI Kansas City

17h 04m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,157Delta

Mon, Mar 29 - Tue, Apr 13

8:00 am - 7:40 amMCI Kansas City-AEP Buenos Aires Jorge Newbery

21h 40m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 11:09 amAEP Buenos Aires Jorge Newbery-MCI Kansas City

17h 04m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,157Delta

Mon, Mar 29 - Mon, Apr 12

3:40 pm - 9:40 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

15h 00m1 stop Atlanta Hartsfield-Jackson

7:20 am - 11:39 pmEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

19h 19m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,158LATAM Airlines

Mon, Feb 15 - Mon, Feb 22

2:55 pm - 7:20 amSGF Springfield-Branson-EZE Buenos Aires Ministro Pistarini

13h 25m1 stop Houston George Bush Intcntl

11:55 pm - 4:09 pmEZE Buenos Aires Ministro Pistarini-SGF Springfield-Branson

19h 14m1 stop Houston George Bush Intcntl

$1,164United Airlines

Thu, Nov 12 - Thu, Nov 19

2:55 pm - 9:20 amSGF Springfield-Branson-EZE Buenos Aires Ministro Pistarini

15h 25m1 stop Houston George Bush Intcntl

10:05 pm - 2:33 pmEZE Buenos Aires Ministro Pistarini-SGF Springfield-Branson

19h 28m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,164United Airlines

Thu, Nov 12 - Thu, Nov 19

2:38 pm - 8:30 amMCI Kansas City-EZE Buenos Aires Ministro Pistarini

14h 52m1 stop Dallas/Fort Worth

11:35 pm - 5:37 pmEZE Buenos Aires Ministro Pistarini-MCI Kansas City

21h 02m1 stop Miami

$1,168American Airlines

Mon, Jan 11 - Mon, Feb 22

6:00 am - 10:55 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

25h 55m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

8:05 pm - 11:39 pmEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

30h 34m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$1,172LATAM Airlines

Mon, Feb 15 - Mon, Feb 22

2:50 pm - 8:15 amMCI Kansas City-EZE Buenos Aires Ministro Pistarini

14h 25m1 stop Dallas/Fort Worth

9:30 pm - 4:37 pmEZE Buenos Aires Ministro Pistarini-MCI Kansas City

22h 07m1 stop Miami

$1,197American Airlines

Sun, Nov 15 - Sun, Nov 22

Cheap last minute flights

Enter your travel dates to find the best prices.

12:00 pm - 4:00 pmSTL Lambert-St Louis-AEP Buenos Aires Jorge Newbery

26h 00m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 4:28 pmAEP Buenos Aires Jorge Newbery-STL Lambert-St Louis

22h 23m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,298Delta

Mon, Oct 5 - Sun, Oct 18

12:00 pm - 4:00 pmSTL Lambert-St Louis-AEP Buenos Aires Jorge Newbery

26h 00m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 1:20 pmAEP Buenos Aires Jorge Newbery-STL Lambert-St Louis

19h 15m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,298Delta

Mon, Oct 5 - Tue, Oct 20

6:00 am - 3:45 pmSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

31h 45m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

3:55 am - 11:42 pmEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

21h 47m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,298LATAM Airlines

Thu, Oct 1 - Sun, Oct 4

11:10 am - 8:00 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

18h 50m1 stop Houston George Bush Intcntl

9:00 pm - 10:10 amEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

15h 10m1 stop Houston George Bush Intcntl

$1,298United Airlines

Thu, Oct 1 - Mon, Oct 5

2:00 pm - 4:00 pmSTL Lambert-St Louis-AEP Buenos Aires Jorge Newbery

24h 00m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

3:45 pm - 9:09 amAEP Buenos Aires Jorge Newbery-STL Lambert-St Louis

19h 24m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson

$1,298Delta

Mon, Oct 5 - Wed, Oct 21

6:15 am - 8:00 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

23h 45m1 stop Houston George Bush Intcntl

9:00 pm - 9:21 pmEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

26h 21m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,302United Airlines

Thu, Oct 1 - Mon, Oct 5

5:46 pm - 6:30 pmSTL Lambert-St Louis-AEP Buenos Aires Jorge Newbery

22h 44m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

11:45 am - 10:51 amAEP Buenos Aires Jorge Newbery-STL Lambert-St Louis

25h 06m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$1,328LATAM Airlines

Sat, Oct 3 - Wed, Oct 7

5:30 pm - 9:45 amMCI Kansas City-EZE Buenos Aires Ministro Pistarini

14h 15m1 stop Atlanta Hartsfield-Jackson

8:10 pm - 4:25 pmEZE Buenos Aires Ministro Pistarini-MCI Kansas City

22h 15m1 stop Atlanta Hartsfield-Jackson

$1,562LATAM Airlines

Wed, Sep 30 - Fri, Oct 2

6:00 am - 7:15 amMCI Kansas City-EZE Buenos Aires Ministro Pistarini

23h 15m1 stop Miami

8:45 pm - 12:18 pmEZE Buenos Aires Ministro Pistarini-MCI Kansas City

17h 33m2 stops Miami Dallas/Fort Worth

$1,574American Airlines

Wed, Sep 30 - Fri, Oct 2

5:00 am - 7:15 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

24h 15m1 stop Miami

8:40 pm - 5:27 pmEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

22h 47m1 stop Miami

$2,112American Airlines

Sat, Oct 3 - Wed, Oct 7

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LATAM Airlines flights from Missouri to Buenos Aires

Our best LATAM Airlines deals on Missouri to Buenos Aires flight tickets

LATAM Airlines

Feb 15

STL6:00 amLambert-St Louis

22h 35m

1 stop

EZE7:35 amBuenos Aires Ministro Pistarini

Feb 22

EZE9:30 pmBuenos Aires Ministro Pistarini

23h 31m

1 stop

STL6:01 pmLambert-St Louis

$1,153

LATAM Airlines

Feb 15

STL3:40 pmLambert-St Louis

15h 00m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Feb 22

EZE7:20 amBuenos Aires Ministro Pistarini

19h 19m

2 stops

STL11:39 pmLambert-St Louis

$1,158

LATAM Airlines

Feb 15

STL6:00 amLambert-St Louis

25h 55m

2 stops

EZE10:55 amBuenos Aires Ministro Pistarini

Feb 22

EZE8:05 pmBuenos Aires Ministro Pistarini

30h 34m

2 stops

STL11:39 pmLambert-St Louis

$1,172

United Airlines flights from Missouri to Buenos Aires

Our best United Airlines deals on Missouri to Buenos Aires flight tickets

United Airlines

Nov 12

SGF2:55 pmSpringfield-Branson

15h 25m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Nov 19

EZE10:05 pmBuenos Aires Ministro Pistarini

19h 28m

2 stops

SGF2:33 pmSpringfield-Branson

$1,164

United Airlines

Jan 11

MCI3:08 pmKansas City

13h 12m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

Feb 22

EZE10:05 pmBuenos Aires Ministro Pistarini

23h 40m

1 stop

MCI6:45 pmKansas City

$1,168

United Airlines

Jan 11

MCI9:43 amKansas City

18h 37m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

Feb 22

EZE10:05 pmBuenos Aires Ministro Pistarini

21h 19m

2 stops

MCI4:24 pmKansas City

$1,172

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Fri 11/13

6:44 pm-4:00 am

3 stops30h 16m

Buenos Aires Ministro Pistarini

Fri 11/20

2:40 pm-11:59 pm

3 stops36h 19m

$1,049

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Mon 2/15

6:00 am-7:35 am

1 stop22h 35m

Buenos Aires Ministro Pistarini

Mon 2/22

9:30 pm-6:01 pm

1 stop23h 31m

$1,153

Kansas CityBuenos Aires

MCI Kansas City - AEP Buenos Aires Jorge Newbery

MCIAEP

Kansas City

Mon 3/29

8:00 am-7:40 am

2 stops21h 40m

Buenos Aires Jorge Newbery

Tue 4/13

8:05 pm-11:09 am

2 stops17h 04m

$1,157

Kansas CityBuenos Aires

MCI Kansas City - AEP Buenos Aires Jorge Newbery

MCIAEP

Kansas City

Mon 3/29

8:00 am-7:40 am

2 stops21h 40m

Buenos Aires Jorge Newbery

Mon 4/12

8:05 pm-11:09 am

2 stops17h 04m

$1,157

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Mon 2/15

3:40 pm-9:40 am

1 stop15h 00m

Buenos Aires Ministro Pistarini

Mon 2/22

7:20 am-11:39 pm

2 stops19h 19m

$1,158

Quickest round-trip

SpringfieldBuenos Aires

SGF Springfield-Branson - EZE Buenos Aires Ministro Pistarini

SGFEZE

Springfield-Branson

Thu 11/12

2:55 pm-7:20 am

1 stop13h 25m

Buenos Aires Ministro Pistarini

Thu 11/19

11:55 pm-4:09 pm

1 stop19h 14m

$1,164

SpringfieldBuenos Aires

SGF Springfield-Branson - EZE Buenos Aires Ministro Pistarini

SGFEZE

Springfield-Branson

Thu 11/12

2:55 pm-9:20 am

1 stop15h 25m

Buenos Aires Ministro Pistarini

Thu 11/19

10:05 pm-2:33 pm

2 stops19h 28m

$1,164

Kansas CityBuenos Aires

MCI Kansas City - EZE Buenos Aires Ministro Pistarini

MCIEZE

Kansas City

Mon 1/11

2:38 pm-8:30 am

1 stop14h 52m

Buenos Aires Ministro Pistarini

Mon 2/22

11:35 pm-5:37 pm

1 stop21h 02m

$1,168

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Mon 2/15

6:00 am-10:55 am

2 stops25h 55m

Buenos Aires Ministro Pistarini

Mon 2/22

8:05 pm-11:39 pm

2 stops30h 34m

$1,172

Kansas CityBuenos Aires

MCI Kansas City - EZE Buenos Aires Ministro Pistarini

MCIEZE

Kansas City

Sun 11/15

2:50 pm-8:15 am

1 stop14h 25m

Buenos Aires Ministro Pistarini

Sun 11/22

9:30 pm-4:37 pm

1 stop22h 07m

$1,197

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Missouri is in November. Flight prices, which tend to average around $1,215, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Buenos Aires from Missouri during October instead. Flights to Buenos Aires in October, while not as cheap as those in November, still average around $1,217.

Can stopping save me money on Missouri to Buenos Aires flights?

You could potentially save up to 11% on your flight if you consider stops on a Missouri to Buenos Aires flight.

Cheap Missouri to Buenos Aires flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Buenos Aires

Best Price Found	$482
Fastest flight time	13h 12m
Direct flights	None

The best one-way flight to Buenos Aires from Missouri in the past 72 hours is $482. The best round-trip flight deal from Missouri to Buenos Aires found on momondo in the last 72 hours is $1,049.

The fastest flight from Missouri to Buenos Aires takes 13h 12m

There are no direct flights from Missouri to Buenos Aires. There are no popular flight routes from Missouri to Buenos Aires.

Search flight deals

Frequently asked questions about flying from Missouri to Buenos Aires

When did momondo last update prices for flights from Missouri to Buenos Aires?
Prices for flights from Missouri to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from Missouri to Buenos Aires?
The number of operators available for flights from Missouri to Buenos Aires is 3 as of September 2026.
How old do you have to be to fly from Missouri to Buenos Aires?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Buenos Aires

Compare and see reviews for airlines that fly from Missouri to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $431	Free Cancellation	Rating 7.8 8,610 reviews	Search Delta flights
LATAM Airlines	PriceFrom $884	Free Cancellation	Rating 7.4 1,977 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $1,147	Free Cancellation	Rating 7.0 12,097 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Buenos Aires?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Missouri to Buenos Aires with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Buenos Aires from Missouri with this policy.

How can momondo help me find flights from Missouri to Buenos Aires?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Missouri.

I’m not ready to book a flight from Missouri to Buenos Aires right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Missouri to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

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Cheap flights from Missouri to Buenos Aires from $482

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Buenos Aires departing on 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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LATAM Airlines flights from Missouri to Buenos Aires

Our best LATAM Airlines deals on Missouri to Buenos Aires flight tickets

United Airlines flights from Missouri to Buenos Aires

Our best United Airlines deals on Missouri to Buenos Aires flight tickets

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How to get the cheapest flight ticket from Missouri to Buenos Aires

What is the cheapest month to fly to Buenos Aires?

Can stopping save me money on Missouri to Buenos Aires flights?

What is the cheapest airline that flies from Missouri to Buenos Aires?

What airlines fly to Buenos Aires?

How long does it take to fly to Buenos Aires?

Cheap Missouri to Buenos Aires flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Buenos Aires

Best airlines flying from Missouri to Buenos Aires

Compare and see reviews for airlines that fly from Missouri to Buenos Aires with momondo

Why use momondo?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires

Fly your favorite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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