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Cheap flights from Missouri to Buenos Aires from $463

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 11/3. 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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Find the cheapest flights from Missouri to Buenos Aires

Cheap round-trip flights

Logo
5:15 am - 2:20 amMCI-AEP
43h 05m3 stops
Logo
10:55 am - 11:50 pmAEP-MCI
38h 55m3 stops
$867
Find Deal
Thu, Oct 2 - Tue, Oct 7
Logo
5:15 am - 11:20 pmMCI-AEP
40h 05m3 stops
Logo
3:30 am - 11:07 pmAEP-MCI
45h 37m3 stops
$878
Find Deal
Sun, Sep 14 - Sat, Sep 20
GOL Logo
4:21 pm - 12:20 pmSTL-EZE
16h 59m2 stops
GOL Logo
3:15 am - 10:32 pmEZE-STL
22h 17m2 stops
$1,001GOL
Find Deal
Tue, Nov 18 - Tue, Nov 25
Delta Logo
6:42 pm - 5:55 amSTL-EZE
33h 13m2 stops
Delta Logo
6:00 am - 10:00 pmEZE-STL
18h 00m2 stops
$1,008Delta
Find Deal
Thu, Sep 18 - Wed, Oct 1
LATAM Airlines Logo
6:42 pm - 4:05 pmSTL-AEP
19h 23m2 stops
LATAM Airlines Logo
8:40 am - 9:59 amAEP-STL
27h 19m2 stops
$1,017LATAM Airlines
Find Deal
Thu, Sep 18 - Wed, Oct 1
LATAM Airlines Logo
1:30 pm - 10:30 amSTL-AEP
18h 00m2 stops
LATAM Airlines Logo
5:15 pm - 6:02 pmAEP-STL
27h 47m2 stops
$1,018LATAM Airlines
Find Deal
Tue, Nov 18 - Wed, Nov 26
Delta Logo
2:55 pm - 9:00 amMCI-EZE
15h 05m1 stop
Delta Logo
8:55 pm - 3:43 pmEZE-MCI
21h 48m1 stop
$1,025Delta
Find Deal
Tue, Nov 25 - Tue, Dec 2
American Airlines Logo
2:54 pm - 10:15 amMCI-EZE
16h 21m2 stops
American Airlines Logo
11:20 pm - 1:17 pmEZE-MCI
16h 57m2 stops
$1,030American Airlines
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Tue, Nov 25 - Tue, Dec 2
American Airlines Logo
9:42 am - 7:20 amSTL-EZE
19h 38m2 stops
American Airlines Logo
8:30 pm - 1:44 pmEZE-STL
19h 14m2 stops
$1,110American Airlines
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Thu, Oct 2 - Sat, Oct 11
GOL Logo
5:26 am - 1:00 pmSTL-AEP
29h 34m2 stops
GOL Logo
3:40 am - 11:59 pmAEP-STL
22h 19m2 stops
$1,899GOL
Find Deal
Wed, Aug 13 - Sat, Aug 23

Air Canada flights from Missouri to Buenos Aires

Our best Air Canada deals on Missouri to Buenos Aires flight tickets
Air Canada
Aug 26
STL4:00 pmLambert-St Louis
20h 30m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Dec 5
EZE4:45 pmBuenos Aires Ministro Pistarini
25h 44m
2 stops
STL3:29 pmLambert-St Louis
$1,064
Find similar
Air Canada
Aug 26
STL4:00 pmLambert-St Louis
20h 30m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Dec 8
EZE4:45 pmBuenos Aires Ministro Pistarini
25h 44m
2 stops
STL3:29 pmLambert-St Louis
$1,119
Find similar
Air Canada
Sep 18
STL1:30 pmLambert-St Louis
47h 00m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Oct 1
EZE4:35 pmBuenos Aires Ministro Pistarini
29h 22m
2 stops
STL7:57 pmLambert-St Louis
$1,256
Find similar

American Airlines flights from Missouri to Buenos Aires

Our best American Airlines deals on Missouri to Buenos Aires flight tickets
American Airlines
Nov 25
MCI2:54 pmKansas City
16h 21m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Dec 2
EZE11:20 pmBuenos Aires Ministro Pistarini
16h 57m
2 stops
MCI1:17 pmKansas City
$1,030
Find similar
American Airlines
Oct 2
STL9:42 amLambert-St Louis
19h 38m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Oct 11
EZE8:30 pmBuenos Aires Ministro Pistarini
19h 14m
2 stops
STL1:44 pmLambert-St Louis
$1,110
Find similar
American Airlines
Aug 26
STL5:26 amLambert-St Louis
25h 34m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Dec 8
EZE10:10 amBuenos Aires Ministro Pistarini
15h 55m
1 stop
STL11:05 pmLambert-St Louis
$1,133
Find similar

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 July 31, 2025.
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

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Thu 10/2

5:15 am-2:20 am

3 stops43h 05m

Buenos Aires Jorge Newbery

Tue 10/7

10:55 am-11:50 pm

3 stops38h 55m

$867

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Sun 9/14

5:15 am-11:20 pm

3 stops40h 05m

Buenos Aires Jorge Newbery

Sat 9/20

3:30 am-11:07 pm

3 stops45h 37m

$878

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Tue 11/18

4:21 pm-12:20 pm

2 stops16h 59m

Buenos Aires Ministro Pistarini

Tue 11/25

3:15 am-10:32 pm

2 stops22h 17m

$1,001

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Thu 9/18

6:42 pm-5:55 am

2 stops33h 13m

Buenos Aires Ministro Pistarini

Wed 10/1

6:00 am-10:00 pm

2 stops18h 00m

$1,008

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Thu 9/18

6:42 pm-4:05 pm

2 stops19h 23m

Buenos Aires Jorge Newbery

Wed 10/1

8:40 am-9:59 am

2 stops27h 19m

$1,017

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Tue 11/18

1:30 pm-10:30 am

2 stops18h 00m

Buenos Aires Jorge Newbery

Wed 11/26

5:15 pm-6:02 pm

2 stops27h 47m

$1,018

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Tue 11/25

2:55 pm-9:00 am

1 stop15h 05m

Buenos Aires Ministro Pistarini

Tue 12/2

8:55 pm-3:43 pm

1 stop21h 48m

$1,025

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Tue 11/25

2:54 pm-10:15 am

2 stops16h 21m

Buenos Aires Ministro Pistarini

Tue 12/2

11:20 pm-1:17 pm

2 stops16h 57m

$1,030

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Thu 10/2

9:42 am-7:20 am

2 stops19h 38m

Buenos Aires Ministro Pistarini

Sat 10/11

8:30 pm-1:44 pm

2 stops19h 14m

$1,110

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Wed 8/13

5:26 am-1:00 pm

2 stops29h 34m

Buenos Aires Jorge Newbery

Sat 8/23

3:40 am-11:59 pm

2 stops22h 19m

$1,899

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 June. Flight prices, which tend to average around $1,053, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Buenos Aires from Missouri during September instead. Flights to Buenos Aires in September, while not as cheap as those in June, still average around $1,135.

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

Best Price Found

$463

Fastest flight time

13h 03m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from Missouri in the past 72 hours is $463. The best round-trip flight deal from Missouri to Buenos Aires found on momondo in the last 72 hours is $867.
The fastest flight from Missouri to Buenos Aires takes 13h 03m
There are no direct flights from Missouri to Buenos Aires. Popular non-direct routes for this connection are Lambert-St Louis Airport - Buenos Aires Ministro Pistarini Airport, Kansas City Airport - Buenos Aires Jorge Newbery Airport and Kansas City Airport - Buenos Aires Ministro Pistarini Airport.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)
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  • 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 $1,023Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $1,025Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,053Free CancellationRating
7.4
8,900 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.

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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