Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Missouri to Buenos Aires from $366

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 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Missouri to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
5:21 pm - 9:00 am
STL
-
EZE
13h 39m
1 stop
LATAM Airlines Logo
8:55 pm - 11:09 am
EZE
-
STL
16h 14m
1 stop
$913LATAM Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
12:12 pm - 3:40 pm
MCI
-
EZE
25h 28m
3 stops
Multiple Airlines Logo
4:35 pm - 11:59 pm
EZE
-
MCI
33h 24m
3 stops
$922Multiple Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
12:24 pm - 8:30 am
MCI
-
AEP
18h 06m
2 stops
Multiple Airlines Logo
5:10 pm - 11:29 am
AEP
-
MCI
20h 19m
2 stops
$927Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
United Airlines Logo
4:03 pm - 9:20 am
MCI
-
EZE
14h 17m
1 stop
United Airlines Logo
10:55 pm - 2:07 pm
EZE
-
MCI
17h 12m
1 stop
$937United Airlines
Mon, Mar 2 - Mon, Mar 9
LATAM Airlines Logo
5:21 pm - 4:00 pm
STL
-
AEP
20h 39m
2 stops
LATAM Airlines Logo
5:15 pm - 11:09 am
AEP
-
STL
19h 54m
2 stops
$937LATAM Airlines
Tue, Mar 10 - Tue, Mar 17
LATAM Airlines Logo
5:21 pm - 9:00 am
STL
-
EZE
13h 39m
1 stop
LATAM Airlines Logo
8:55 pm - 9:05 am
EZE
-
STL
14h 10m
1 stop
$937LATAM Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
11:32 am - 9:20 am
MCI
-
EZE
18h 48m
2 stops
United Airlines Logo
9:05 pm - 2:20 pm
EZE
-
MCI
19h 15m
2 stops
$941United Airlines
Mon, Mar 2 - Mon, Mar 9
LATAM Airlines Logo
10:13 am - 10:15 am
STL
-
EZE
21h 02m
2 stops
LATAM Airlines Logo
8:00 am - 11:58 pm
EZE
-
STL
17h 58m
2 stops
$941LATAM Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
12:12 pm - 3:40 pm
MCI
-
EZE
25h 28m
3 stops
Multiple Airlines Logo
7:45 am - 11:07 am
EZE
-
MCI
29h 22m
2 stops
$953Multiple Airlines
Sat, May 2 - Sat, May 9
United Airlines Logo
7:41 am - 8:20 am
STL
-
EZE
46h 39m
2 stops
United Airlines Logo
9:05 pm - 9:21 am
EZE
-
STL
14h 16m
1 stop
$957United Airlines
Sun, Mar 8 - Tue, Mar 17

Delta flights from Missouri to Buenos Aires

Our best Delta deals on Missouri to Buenos Aires flight tickets
Delta
Mar 8
STL12:04 pmLambert-St Louis
18h 56m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 17
EZE8:55 pmBuenos Aires Ministro Pistarini
21h 21m
1 stop
STL4:16 pmLambert-St Louis
$1,107
Delta
May 1
MCI6:47 pmKansas City
12h 58m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 8
EZE8:10 pmBuenos Aires Ministro Pistarini
17h 01m
1 stop
MCI11:11 amKansas City
$1,127
Delta
Feb 10
MCI10:42 amKansas City
20h 33m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Feb 18
EZE10:25 pmBuenos Aires Ministro Pistarini
21h 32m
2 stops
MCI4:57 pmKansas City
$1,261

LATAM Airlines flights from Missouri to Buenos Aires

Our best LATAM Airlines deals on Missouri to Buenos Aires flight tickets
LATAM Airlines
Mar 10
STL5:21 pmLambert-St Louis
13h 39m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 17
EZE8:55 pmBuenos Aires Ministro Pistarini
16h 14m
1 stop
STL11:09 amLambert-St Louis
$913
LATAM Airlines
Mar 10
STL5:21 pmLambert-St Louis
13h 39m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 17
EZE8:55 pmBuenos Aires Ministro Pistarini
14h 10m
1 stop
STL9:05 amLambert-St Louis
$937
LATAM Airlines
Mar 3
STL10:13 amLambert-St Louis
21h 02m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Mar 10
EZE8:00 amBuenos Aires Ministro Pistarini
17h 58m
2 stops
STL11:58 pmLambert-St Louis
$941

momondo 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, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Missouri to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Tue 3/10

5:21 pm-9:00 am

1 stop13h 39m

Buenos Aires Ministro Pistarini

Tue 3/17

8:55 pm-11:09 am

1 stop16h 14m

$913

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Sat 5/2

12:12 pm-3:40 pm

3 stops25h 28m

Buenos Aires Ministro Pistarini

Sat 5/9

4:35 pm-11:59 pm

3 stops33h 24m

$922

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Sun 3/22

12:24 pm-8:30 am

2 stops18h 06m

Buenos Aires Jorge Newbery

Sun 3/29

5:10 pm-11:29 am

2 stops20h 19m

$927

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 3/2

4:03 pm-9:20 am

1 stop14h 17m

Buenos Aires Ministro Pistarini

Mon 3/9

10:55 pm-2:07 pm

1 stop17h 12m

$937

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Tue 3/10

5:21 pm-4:00 pm

2 stops20h 39m

Buenos Aires Jorge Newbery

Tue 3/17

5:15 pm-11:09 am

2 stops19h 54m

$937

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Tue 3/10

5:21 pm-9:00 am

1 stop13h 39m

Buenos Aires Ministro Pistarini

Tue 3/17

8:55 pm-9:05 am

1 stop14h 10m

$937

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 3/2

11:32 am-9:20 am

2 stops18h 48m

Buenos Aires Ministro Pistarini

Mon 3/9

9:05 pm-2:20 pm

2 stops19h 15m

$941

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Tue 3/3

10:13 am-10:15 am

2 stops21h 02m

Buenos Aires Ministro Pistarini

Tue 3/10

8:00 am-11:58 pm

2 stops17h 58m

$941

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Sat 5/2

12:12 pm-3:40 pm

3 stops25h 28m

Buenos Aires Ministro Pistarini

Sat 5/9

7:45 am-11:07 am

2 stops29h 22m

$953

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sun 3/8

7:41 am-8:20 am

2 stops46h 39m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-9:21 am

1 stop14h 16m

$957

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Buenos Aires from

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

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.

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

12h 36m

Direct flights

None
The fastest flight from Missouri to Buenos Aires takes 12h 36m
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?

  • 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
DeltaPriceFrom $1,025Free CancellationRating
7.9
8,151 reviews
Search Delta flights
United AirlinesPriceFrom $1,179Free CancellationRating
7.4
9,240 reviews
Search United 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 3/7
Sat 3/14
By creating a price alert you accept our terms of use and privacy policy.

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
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport