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Cheap flights from Missouri to Buenos Aires from $491

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 12/12. 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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Delta Logo
7:10 am - 9:00 amSTL-EZE
22h 50m1 stop
Delta Logo
4:05 am - 11:38 pmEZE-STL
22h 33m2 stops
$830Delta
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Mon, Feb 16 - Wed, Mar 4
Delta Logo
6:35 am - 10:15 amSTL-EZE
24h 40m2 stops
Delta Logo
8:55 pm - 11:50 amEZE-STL
16h 55m1 stop
$834Delta
Find Deal
Wed, Feb 18 - Mon, Mar 9
United Airlines Logo
4:39 pm - 7:20 amSTL-EZE
35h 41m1 stop
United Airlines Logo
11:55 pm - 3:54 pmEZE-STL
18h 59m1 stop
$838United Airlines
Find Deal
Sun, Feb 15 - Thu, Mar 5
United Airlines Logo
4:39 pm - 7:20 amSTL-EZE
35h 41m1 stop
United Airlines Logo
10:05 pm - 2:31 pmEZE-STL
19h 26m2 stops
$842United Airlines
Find Deal
Sun, Feb 15 - Thu, Mar 5
LATAM Airlines Logo
5:04 pm - 2:50 amSTL-EZE
30h 46m2 stops
LATAM Airlines Logo
12:15 pm - 11:04 amEZE-STL
25h 49m2 stops
$860LATAM Airlines
Find Deal
Wed, Feb 4 - Wed, Feb 18
LATAM Airlines Logo
11:51 am - 1:45 pmSTL-EZE
23h 54m2 stops
LATAM Airlines Logo
7:45 am - 11:50 amEZE-STL
30h 05m3 stops
$883LATAM Airlines
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Sun, Mar 8 - Tue, Mar 17
Multiple Airlines Logo
7:01 pm - 5:10 amMCI-EZE
31h 09m3 stops
Multiple Airlines Logo
7:30 am - 5:56 pmEZE-MCI
37h 26m3 stops
$919Multiple Airlines
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Mon, Dec 8 - Fri, Dec 12
American Airlines Logo
1:40 pm - 9:10 amSTL-EZE
16h 30m2 stops
American Airlines Logo
10:25 pm - 4:14 pmEZE-STL
20h 49m1 stop
$934American Airlines
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Sat, Jan 17 - Sun, Jan 25
Multiple Airlines Logo
7:01 pm - 5:10 amMCI-EZE
31h 09m3 stops
Multiple Airlines Logo
2:40 am - 5:56 pmEZE-MCI
42h 16m3 stops
$945Multiple Airlines
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Mon, Dec 8 - Thu, Dec 11
American Airlines Logo
5:07 pm - 10:10 amSTL-EZE
14h 03m1 stop
American Airlines Logo
10:25 pm - 11:05 amEZE-STL
15h 40m1 stop
$980American Airlines
Find Deal
Sat, Jan 17 - Sun, Jan 25

Delta flights from Missouri to Buenos Aires Ministro Pistarini Airport

Our best Delta deals on Missouri to Buenos Aires Ministro Pistarini Airport flight tickets
Delta
Feb 16
STL7:10 amLambert-St Louis
22h 50m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 4
EZE4:05 amBuenos Aires Ministro Pistarini
22h 33m
2 stops
STL11:38 pmLambert-St Louis
$830
Find similar
Delta
Feb 18
STL6:35 amLambert-St Louis
24h 40m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Mar 9
EZE8:55 pmBuenos Aires Ministro Pistarini
16h 55m
1 stop
STL11:50 amLambert-St Louis
$834
Find similar
Delta
Feb 13
STL3:47 pmLambert-St Louis
20h 08m
2 stops
EZE2:55 pmBuenos Aires Ministro Pistarini
Mar 10
EZE4:05 amBuenos Aires Ministro Pistarini
21h 35m
2 stops
STL11:40 pmLambert-St Louis
$880
Find similar

United Airlines flights from Missouri to Buenos Aires Ministro Pistarini Airport

Our best United Airlines deals on Missouri to Buenos Aires Ministro Pistarini Airport flight tickets
United Airlines
Feb 15
STL4:39 pmLambert-St Louis
35h 41m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 5
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 59m
1 stop
STL3:54 pmLambert-St Louis
$838
Find similar
United Airlines
Feb 15
STL4:39 pmLambert-St Louis
35h 41m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 5
EZE10:05 pmBuenos Aires Ministro Pistarini
19h 26m
2 stops
STL2:31 pmLambert-St Louis
$842
Find similar
United Airlines
Feb 15
STL4:39 pmLambert-St Louis
35h 41m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 9
EZE10:55 pmBuenos Aires Ministro Pistarini
25h 18m
1 stop
STL10:13 pmLambert-St Louis
$846
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Buenos Aires Ministro Pistarini 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 November 6, 2025.
Use the filters below to find and compare flights from Missouri to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 2/16

7:10 am-9:00 am

1 stop22h 50m

Buenos Aires Ministro Pistarini

Wed 3/4

4:05 am-11:38 pm

2 stops22h 33m

$830

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Wed 2/18

6:35 am-10:15 am

2 stops24h 40m

Buenos Aires Ministro Pistarini

Mon 3/9

8:55 pm-11:50 am

1 stop16h 55m

$834

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sun 2/15

4:39 pm-7:20 am

1 stop35h 41m

Buenos Aires Ministro Pistarini

Thu 3/5

11:55 pm-3:54 pm

1 stop18h 59m

$838

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sun 2/15

4:39 pm-7:20 am

1 stop35h 41m

Buenos Aires Ministro Pistarini

Thu 3/5

10:05 pm-2:31 pm

2 stops19h 26m

$842

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Wed 2/4

5:04 pm-2:50 am

2 stops30h 46m

Buenos Aires Ministro Pistarini

Wed 2/18

12:15 pm-11:04 am

2 stops25h 49m

$860

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sun 3/8

11:51 am-1:45 pm

2 stops23h 54m

Buenos Aires Ministro Pistarini

Tue 3/17

7:45 am-11:50 am

3 stops30h 05m

$883

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 12/8

7:01 pm-5:10 am

3 stops31h 09m

Buenos Aires Ministro Pistarini

Fri 12/12

7:30 am-5:56 pm

3 stops37h 26m

$919

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sat 1/17

1:40 pm-9:10 am

2 stops16h 30m

Buenos Aires Ministro Pistarini

Sun 1/25

10:25 pm-4:14 pm

1 stop20h 49m

$934

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 12/8

7:01 pm-5:10 am

3 stops31h 09m

Buenos Aires Ministro Pistarini

Thu 12/11

2:40 am-5:56 pm

3 stops42h 16m

$945

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sat 1/17

5:07 pm-10:10 am

1 stop14h 03m

Buenos Aires Ministro Pistarini

Sun 1/25

10:25 pm-11:05 am

1 stop15h 40m

$980

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Missouri to Buenos Aires Ministro Pistarini 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 day to depart on your flight to Buenos Aires Ministro Pistarini Airport?

Our data shows that Tuesday is the least expensive day to fly to Buenos Aires Ministro Pistarini Airport. Tickets to fly out on this day can be as low as $1,023. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires Ministro Pistarini Airport on Wednesday is $1,341.

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

According to our data, the cheapest time of day to fly to Buenos Aires Ministro Pistarini Airport is in the evening. momondo users have found flights departing from Missouri to Buenos Aires Ministro Pistarini Airport in the evening for as low as $1,188. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,287 on average. Flights to Buenos Aires Ministro Pistarini Airport from Missouri at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Missouri to Buenos Aires Ministro Pistarini Airport flight deals and tips

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

Direct flights

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

    Prices for flights from Missouri to Buenos Aires Ministro Pistarini Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Buenos Aires Ministro Pistarini Airport?

  • How old do you have to be to fly from Missouri to Buenos Aires Ministro Pistarini 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 Ministro Pistarini Airport.

  • What documentation or ID do you need to fly to Buenos Aires Ministro Pistarini Airport?

    The required travel and health documents for your Buenos Aires Ministro Pistarini Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Missouri to Buenos Aires Ministro Pistarini Airport

Compare and see reviews for airlines that fly from Missouri to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $1,023Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $1,025Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $1,081Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Missouri to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

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?

momondo provides multiple filters to help you find the best flight to Buenos Aires from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Missouri to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

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