How long does it take to fly to Buenos Aires?

On average, it takes 13h 03m 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 15h 47m.

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

United Airlines and LATAM Airlines are the most popular carriers operating 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 1 as of December 2025.

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.

$931 Cheap Flights from Missouri to Buenos Aires in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

11:26 am - 8:40 pm

MCI

AEP

30h 14m3 stops

9:50 am - 10:31 am

AEP

MCI

27h 41m3 stops

$931Multiple Airlines

Sun, Jan 18 - Sun, Jan 25

4:48 pm - 9:00 am

MCI

EZE

14h 12m1 stop

11:55 pm - 3:39 pm

EZE

MCI

17h 44m1 stop

$936Delta

Mon, Mar 16 - Mon, Mar 23

10:37 am - 10:15 am

MCI

EZE

21h 38m2 stops

8:55 pm - 3:39 pm

EZE

MCI

20h 44m1 stop

$940Delta

Mon, Mar 16 - Mon, Mar 23

11:26 am - 9:20 pm

MCI

EZE

30h 54m3 stops

6:40 am - 10:31 am

EZE

MCI

30h 51m3 stops

$941Multiple Airlines

Sun, Jan 18 - Sun, Jan 25

11:26 am - 7:30 am

MCI

AEP

17h 04m2 stops

9:50 am - 10:31 am

AEP

MCI

27h 41m3 stops

$946Multiple Airlines

Sun, Jan 18 - Sun, Jan 25

5:04 pm - 5:50 am

MCI

EZE

33h 46m3 stops

10:10 pm - 10:31 am

EZE

MCI

39h 21m3 stops

$961Multiple Airlines

Sat, Jan 17 - Sat, Jan 24

1:19 pm - 11:45 am

MCI

AEP

20h 26m2 stops

5:15 pm - 12:10 pm

AEP

MCI

20h 55m2 stops

$967LATAM Airlines

Mon, Mar 16 - Mon, Mar 23

4:15 pm - 9:45 am

MCI

EZE

15h 30m1 stop

7:45 am - 11:55 pm

EZE

MCI

18h 10m2 stops

$994LATAM Airlines

Mon, May 25 - Mon, Jun 1

10:20 am - 7:20 am

STL

EZE

18h 00m1 stop

11:55 pm - 3:38 pm

EZE

STL

18h 43m1 stop

$1,101United Airlines

Wed, Feb 4 - Wed, Feb 11

10:10 am - 7:20 am

STL

EZE

18h 10m2 stops

11:55 pm - 3:38 pm

EZE

STL

18h 43m1 stop

$1,105United Airlines

Wed, Feb 4 - Wed, Feb 11

Delta flights from Missouri to Buenos Aires

Our best Delta deals on Missouri to Buenos Aires flight tickets

Delta

Mar 16

MCI4:48 pmKansas City

14h 12m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Mar 23

EZE11:55 pmBuenos Aires Ministro Pistarini

17h 44m

1 stop

MCI3:39 pmKansas City

$936

Find similar

Delta

Mar 16

MCI10:37 amKansas City

21h 38m

2 stops

EZE10:15 amBuenos Aires Ministro Pistarini

Mar 23

EZE8:55 pmBuenos Aires Ministro Pistarini

20h 44m

1 stop

MCI3:39 pmKansas City

$940

Find similar

Delta

May 18

MCI2:55 pmKansas City

22h 50m

2 stops

EZE3:45 pmBuenos Aires Ministro Pistarini

May 26

EZE4:45 pmBuenos Aires Ministro Pistarini

20h 42m

2 stops

MCI11:27 amKansas City

$1,026

Find similar

United Airlines flights from Missouri to Buenos Aires

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

United Airlines

Apr 4

MCI6:30 pmKansas City

59h 30m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Apr 14

EZE9:00 pmBuenos Aires Ministro Pistarini

14h 29m

1 stop

MCI9:29 amKansas City

$1,047

Find similar

United Airlines

May 19

MCI6:15 amKansas City

23h 45m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

May 29

EZE9:00 pmBuenos Aires Ministro Pistarini

39h 33m

2 stops

MCI10:33 amKansas City

$1,088

Find similar

United Airlines

May 18

MCI6:15 amKansas City

47h 45m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

May 29

EZE9:00 pmBuenos Aires Ministro Pistarini

39h 33m

2 stops

MCI10:33 amKansas City

$1,095

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Sun 1/18

11:26 am-8:40 pm

3 stops30h 14m

Buenos Aires Jorge Newbery

Sun 1/25

9:50 am-10:31 am

3 stops27h 41m

$931

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 3/16

4:48 pm-9:00 am

1 stop14h 12m

Buenos Aires Ministro Pistarini

Mon 3/23

11:55 pm-3:39 pm

1 stop17h 44m

$936

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 3/16

10:37 am-10:15 am

2 stops21h 38m

Buenos Aires Ministro Pistarini

Mon 3/23

8:55 pm-3:39 pm

1 stop20h 44m

$940

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Sun 1/18

11:26 am-9:20 pm

3 stops30h 54m

Buenos Aires Ministro Pistarini

Sun 1/25

6:40 am-10:31 am

3 stops30h 51m

$941

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Sun 1/18

11:26 am-7:30 am

2 stops17h 04m

Buenos Aires Jorge Newbery

Sun 1/25

9:50 am-10:31 am

3 stops27h 41m

$946

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Sat 1/17

5:04 pm-5:50 am

3 stops33h 46m

Buenos Aires Ministro Pistarini

Sat 1/24

10:10 pm-10:31 am

3 stops39h 21m

$961

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Mon 3/16

1:19 pm-11:45 am

2 stops20h 26m

Buenos Aires Jorge Newbery

Mon 3/23

5:15 pm-12:10 pm

2 stops20h 55m

$967

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 5/25

4:15 pm-9:45 am

1 stop15h 30m

Buenos Aires Ministro Pistarini

Mon 6/1

7:45 am-11:55 pm

2 stops18h 10m

$994

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Wed 2/4

10:20 am-7:20 am

1 stop18h 00m

Buenos Aires Ministro Pistarini

Wed 2/11

11:55 pm-3:38 pm

1 stop18h 43m

$1,101

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Wed 2/4

10:10 am-7:20 am

2 stops18h 10m

Buenos Aires Ministro Pistarini

Wed 2/11

11:55 pm-3:38 pm

1 stop18h 43m

$1,105

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 September. Flight prices, which tend to average around $1,056, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Buenos Aires from Missouri during October instead. Flights to Buenos Aires in October, while not as cheap as those in September, still average around $1,160.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Missouri is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,163. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Friday is $1,386.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the evening. Flights from Missouri to Buenos Aires during this time can be as low as $1,153. Try not to purchase tickets in the morning because they tend to be around $1,368. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 1% 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

Fastest flight time	13h 03m
Direct flights	None

The fastest flight from Missouri to Buenos Aires takes 13h 03m

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

Search flight deals

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 1 as of December 2025.
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 $1,025	Free Cancellation	Rating 7.9 8,014 reviews		Search Delta 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.