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Cheap flights from Missouri to Buenos Aires from $830

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Buenos Aires departing on 11/18. 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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Cheap round-trip flights

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LATAM Airlines Logo
9:33 am - 7:40 pmSTL-AEP
31h 07m2 stops
LATAM Airlines Logo
10:35 am - 6:35 pmAEP-STL
35h 00m2 stops
$830LATAM Airlines
Find Deal
Tue, Nov 18 - Wed, Nov 26
LATAM Airlines Logo
6:00 am - 4:00 pmSTL-AEP
32h 00m2 stops
LATAM Airlines Logo
5:15 pm - 10:50 amAEP-STL
19h 35m2 stops
$880LATAM Airlines
Find Deal
Sun, Mar 8 - Tue, Mar 17
LATAM Airlines Logo
5:00 pm - 6:40 pmSTL-AEP
22h 40m2 stops
LATAM Airlines Logo
8:25 pm - 11:40 pmAEP-STL
30h 15m2 stops
$977LATAM Airlines
Find Deal
Sat, Jan 17 - Sun, Jan 25
LATAM Airlines Logo
4:15 pm - 6:40 pmMCI-AEP
23h 25m2 stops
LATAM Airlines Logo
5:15 pm - 4:45 pmAEP-MCI
26h 30m2 stops
$1,018LATAM Airlines
Find Deal
Mon, Feb 2 - Mon, Feb 9
LATAM Airlines Logo
4:00 pm - 10:30 amSTL-AEP
16h 30m2 stops
LATAM Airlines Logo
5:15 pm - 10:50 amAEP-STL
19h 35m2 stops
$1,070LATAM Airlines
Find Deal
Sun, Mar 8 - Tue, Mar 17
LATAM Airlines Logo
10:35 am - 10:30 amMCI-AEP
20h 55m2 stops
LATAM Airlines Logo
12:40 pm - 12:01 amAEP-MCI
38h 21m3 stops
$1,097LATAM Airlines
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Sun, Feb 22 - Sun, Mar 1
Multiple Airlines Logo
3:47 pm - 4:20 amMCI-AEP
33h 33m3 stops
Multiple Airlines Logo
8:50 am - 5:46 pmAEP-MCI
35h 56m3 stops
$1,126Multiple Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Multiple Airlines Logo
3:47 pm - 4:20 amMCI-AEP
33h 33m3 stops
Multiple Airlines Logo
5:10 pm - 5:46 pmAEP-MCI
27h 36m2 stops
$1,128Multiple Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
LATAM Airlines Logo
6:00 am - 10:30 amMCI-AEP
25h 30m2 stops
LATAM Airlines Logo
5:15 pm - 6:08 pmAEP-MCI
27h 53m2 stops
$1,130LATAM Airlines
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Sun, Feb 22 - Sun, Mar 1
Delta Logo
10:35 am - 1:40 pmMCI-AEP
24h 05m2 stops
Delta Logo
6:35 pm - 9:40 amAEP-MCI
18h 05m2 stops
$7,166Delta
Find Deal
Thu, Feb 19 - Sat, Feb 28

LATAM Airlines flights from Missouri to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on Missouri to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Nov 18
STL9:33 amLambert-St Louis
31h 07m
2 stops
AEP7:40 pmBuenos Aires Jorge Newbery
Nov 26
AEP10:35 amBuenos Aires Jorge Newbery
35h 00m
2 stops
STL6:35 pmLambert-St Louis
$830
Find similar
LATAM Airlines
Mar 8
STL6:00 amLambert-St Louis
32h 00m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Mar 17
AEP5:15 pmBuenos Aires Jorge Newbery
19h 35m
2 stops
STL10:50 amLambert-St Louis
$880
Find similar
LATAM Airlines
Jan 17
STL5:00 pmLambert-St Louis
22h 40m
2 stops
AEP6:40 pmBuenos Aires Jorge Newbery
Jan 25
AEP8:25 pmBuenos Aires Jorge Newbery
30h 15m
2 stops
STL11:40 pmLambert-St Louis
$977
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Buenos Aires Jorge Newbery Airport 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, momondo users made 832,500 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Missouri to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Tue 11/18

9:33 am-7:40 pm

2 stops31h 07m

Buenos Aires Jorge Newbery

Wed 11/26

10:35 am-6:35 pm

2 stops35h 00m

$830

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sun 3/8

6:00 am-4:00 pm

2 stops32h 00m

Buenos Aires Jorge Newbery

Tue 3/17

5:15 pm-10:50 am

2 stops19h 35m

$880

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 1/17

5:00 pm-6:40 pm

2 stops22h 40m

Buenos Aires Jorge Newbery

Sun 1/25

8:25 pm-11:40 pm

2 stops30h 15m

$977

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Mon 2/2

4:15 pm-6:40 pm

2 stops23h 25m

Buenos Aires Jorge Newbery

Mon 2/9

5:15 pm-4:45 pm

2 stops26h 30m

$1,018

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sun 3/8

4:00 pm-10:30 am

2 stops16h 30m

Buenos Aires Jorge Newbery

Tue 3/17

5:15 pm-10:50 am

2 stops19h 35m

$1,070

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Sun 2/22

10:35 am-10:30 am

2 stops20h 55m

Buenos Aires Jorge Newbery

Sun 3/1

12:40 pm-12:01 am

3 stops38h 21m

$1,097

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Sun 12/7

3:47 pm-4:20 am

3 stops33h 33m

Buenos Aires Jorge Newbery

Sun 12/14

8:50 am-5:46 pm

3 stops35h 56m

$1,126

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Sun 12/7

3:47 pm-4:20 am

3 stops33h 33m

Buenos Aires Jorge Newbery

Sun 12/14

5:10 pm-5:46 pm

2 stops27h 36m

$1,128

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Sun 2/22

6:00 am-10:30 am

2 stops25h 30m

Buenos Aires Jorge Newbery

Sun 3/1

5:15 pm-6:08 pm

2 stops27h 53m

$1,130

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Thu 2/19

10:35 am-1:40 pm

2 stops24h 05m

Buenos Aires Jorge Newbery

Sat 2/28

6:35 pm-9:40 am

2 stops18h 05m

$7,166

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Missouri to Buenos Aires Jorge Newbery Airport

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

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

LATAM Airlines is the most popular carrier operating from Missouri to Buenos Aires Jorge Newbery

Cheap Missouri to Buenos Aires Jorge Newbery Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Missouri to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from Missouri to Buenos Aires Jorge Newbery Airport.
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  • When did momondo last update prices for flights from Missouri to Buenos Aires Jorge Newbery Airport?

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

  • How old do you have to be to fly from Missouri to Buenos Aires Jorge Newbery Airport?

    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 Jorge Newbery Airport.

  • What documentation or ID do you need to fly to Buenos Aires Jorge Newbery Airport?

    The necessary travel and health documents for your Buenos Aires Jorge Newbery Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Buenos Aires from Missouri is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

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

All flight searches from Missouri to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes. momondo can track prices for Missouri to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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