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Cheap flights from St. Louis to Buenos Aires from $510

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Buenos Aires

Cheap round-trip flights

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Multiple Airlines Logo
2:29 pm - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
17h 11m2 stops Atlanta Hartsfield-Jackson Miami
Multiple Airlines Logo
1:10 pm - 1:10 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
26h 00m2 stops Miami Atlanta Hartsfield-Jackson
$1,035Multiple Airlines
Mon, Sep 14 - Sun, Sep 20
Multiple Airlines Logo
2:40 pm - 3:00 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
34h 20m3 stops Toronto Pearson Intl Cancun Punta Cana
Multiple Airlines Logo
6:00 am - 2:00 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
34h 00m3 stops Punta Cana Cancun Toronto Pearson Intl
$1,091Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
Delta Logo
10:04 am - 6:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
17h 16m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
7:20 am - 12:46 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
20h 26m2 stops Lima J Chavez Intl Salt Lake City
$1,148Delta
Wed, Dec 2 - Thu, Dec 17
Delta Logo
10:00 am - 6:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
17h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
7:20 am - 12:40 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
20h 20m2 stops Lima J Chavez Intl Salt Lake City
$1,148Delta
Wed, Dec 2 - Thu, Dec 17
LATAM Airlines Logo
10:00 am - 6:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
17h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
LATAM Airlines Logo
11:35 pm - 4:32 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
19h 57m1 stop Atlanta Hartsfield-Jackson
$1,148LATAM Airlines
Wed, Dec 2 - Thu, Dec 17
LATAM Airlines Logo
5:37 pm - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
13h 03m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
11:35 pm - 11:15 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 40m1 stop Atlanta Hartsfield-Jackson
$1,148LATAM Airlines
Wed, Dec 2 - Thu, Dec 17
American Airlines Logo
2:54 pm - 8:30 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
14h 36m1 stop Dallas/Fort Worth
American Airlines Logo
10:50 pm - 5:49 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
21h 59m1 stop Miami
$1,148American Airlines
Wed, Dec 2 - Thu, Dec 17
American Airlines Logo
6:09 pm - 10:15 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
13h 06m1 stop Miami
American Airlines Logo
10:10 am - 10:05 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 55m1 stop Miami
$1,148American Airlines
Thu, Feb 4 - Sun, Feb 14
American Airlines Logo
1:06 pm - 10:15 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
18h 09m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
10:10 am - 11:58 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
16h 48m2 stops Miami Chicago O'Hare Intl
$1,152American Airlines
Thu, Feb 4 - Sun, Feb 14
United Airlines Logo
11:15 am - 8:00 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
18h 45m1 stop Houston George Bush Intcntl
United Airlines Logo
9:00 pm - 10:10 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
15h 10m1 stop Houston George Bush Intcntl
$1,169United Airlines
Tue, Sep 22 - Mon, Oct 5

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United Airlines flights from St. Louis to Buenos Aires Ministro Pistarini Airport

Our best United Airlines deals on St. Louis to Buenos Aires Ministro Pistarini Airport flight tickets
United Airlines
Dec 6
STL5:55 pmLambert-St Louis
34h 25m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 21
EZE11:55 pmBuenos Aires Ministro Pistarini
37h 47m
2 stops
STL10:42 amLambert-St Louis
$1,179
United Airlines
Nov 14
STL6:15 amLambert-St Louis
22h 05m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 21
EZE11:55 pmBuenos Aires Ministro Pistarini
19h 55m
1 stop
STL4:50 pmLambert-St Louis
$1,228
United Airlines
Oct 9
STL3:12 pmLambert-St Louis
14h 48m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Oct 16
EZE9:00 pmBuenos Aires Ministro Pistarini
19h 10m
1 stop
STL2:10 pmLambert-St Louis
$1,233

American Airlines flights from St. Louis to Buenos Aires Ministro Pistarini Airport

Our best American Airlines deals on St. Louis to Buenos Aires Ministro Pistarini Airport flight tickets
American Airlines
Feb 4
STL1:06 pmLambert-St Louis
18h 09m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Feb 14
EZE10:10 amBuenos Aires Ministro Pistarini
16h 48m
2 stops
STL11:58 pmLambert-St Louis
$1,152
American Airlines
Sep 6
STL11:35 amLambert-St Louis
16h 25m
1 stop
EZE6:00 amBuenos Aires Ministro Pistarini
Sep 13
EZE10:15 pmBuenos Aires Ministro Pistarini
27h 44m
1 stop
STL11:59 pmLambert-St Louis
$1,190
American Airlines
Sep 6
STL7:35 amLambert-St Louis
20h 25m
2 stops
EZE6:00 amBuenos Aires Ministro Pistarini
Sep 13
EZE10:15 pmBuenos Aires Ministro Pistarini
27h 44m
1 stop
STL11:59 pmLambert-St Louis
$1,195

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Buenos Aires Ministro Pistarini Airport that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Mon 9/14

2:29 pm-9:40 am

2 stops17h 11m

Buenos Aires Ministro Pistarini

Sun 9/20

1:10 pm-1:10 pm

2 stops26h 00m

$1,035

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Mon 9/21

2:40 pm-3:00 am

3 stops34h 20m

Buenos Aires Ministro Pistarini

Mon 9/28

6:00 am-2:00 pm

3 stops34h 00m

$1,091

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Wed 12/2

10:04 am-6:20 am

2 stops17h 16m

Buenos Aires Ministro Pistarini

Thu 12/17

7:20 am-12:46 am

2 stops20h 26m

$1,148

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Wed 12/2

10:00 am-6:20 am

2 stops17h 20m

Buenos Aires Ministro Pistarini

Thu 12/17

7:20 am-12:40 am

2 stops20h 20m

$1,148

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Wed 12/2

10:00 am-6:20 am

2 stops17h 20m

Buenos Aires Ministro Pistarini

Thu 12/17

11:35 pm-4:32 pm

1 stop19h 57m

$1,148
Quickest round-trip

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Wed 12/2

5:37 pm-9:40 am

1 stop13h 03m

Buenos Aires Ministro Pistarini

Thu 12/17

11:35 pm-11:15 am

1 stop14h 40m

$1,148

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Wed 12/2

2:54 pm-8:30 am

1 stop14h 36m

Buenos Aires Ministro Pistarini

Thu 12/17

10:50 pm-5:49 pm

1 stop21h 59m

$1,148

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Thu 2/4

6:09 pm-10:15 am

1 stop13h 06m

Buenos Aires Ministro Pistarini

Sun 2/14

10:10 am-10:05 pm

1 stop14h 55m

$1,148

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Thu 2/4

1:06 pm-10:15 am

2 stops18h 09m

Buenos Aires Ministro Pistarini

Sun 2/14

10:10 am-11:58 pm

2 stops16h 48m

$1,152

St. LouisBuenos Aires

STL Lambert-St Louis - EZE Buenos Aires Ministro Pistarini

STLEZE

Lambert-St Louis

Tue 9/22

11:15 am-8:00 am

1 stop18h 45m

Buenos Aires Ministro Pistarini

Mon 10/5

9:00 pm-10:10 am

1 stop15h 10m

$1,169

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from St. Louis 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 month to fly to Buenos Aires Ministro Pistarini Airport?

If you aren’t able to travel during the month of September, then book flights to Buenos Aires Ministro Pistarini Airport from St. Louis during April instead. Flights to Buenos Aires Ministro Pistarini Airport in April, while not as cheap as those in September, still average around $0.

When to book flights from St. Louis to Buenos Aires Ministro Pistarini Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Buenos Aires Ministro Pistarini Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Buenos Aires Ministro Pistarini Airport (STL to EZE) flight deals and tips

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

Best Price Found

$510

Fastest flight time

14h 46m

Direct flights

None
The best one-way flight to Buenos Aires Ministro Pistarini Airport from St. Louis in the past 72 hours is $510. The best round-trip flight deal from St. Louis to Buenos Aires Ministro Pistarini Airport found on momondo in the last 72 hours is $1,035.
The fastest flight from St. Louis to Buenos Aires Ministro Pistarini Airport takes 14h 46m
There are no direct flights from St. Louis to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from St. Louis to Buenos Aires Ministro Pistarini Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Buenos Aires Ministro Pistarini Airport

  • How far is Lambert-St Louis to Buenos Aires Ministro Pistarini by plane?

    Buenos Aires Ministro Pistarini is 5460.2 mi away from Lambert-St Louis. A reasonable flight in good conditions will take 14h 46m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Buenos Aires Ministro Pistarini Airport?

    Prices for flights from Lambert-St Louis Airport to Buenos Aires Ministro Pistarini Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Buenos Aires Ministro Pistarini Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Buenos Aires Ministro Pistarini Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Buenos Aires Ministro Pistarini Airport.

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

    The necessary travel and health documents for your Buenos Aires Ministro Pistarini 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.

  • What is the most popular airline from St. Louis to Buenos Aires Ministro Pistarini Airport?

Best airlines flying from St. Louis to Buenos Aires Ministro Pistarini Airport

Compare and see reviews for airlines that fly from St. Louis to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $884Free CancellationRating
7.4
1,988 reviews
Search LATAM Airlines flights
DeltaPriceFrom $1,025Free CancellationRating
7.8
8,530 reviews
Search Delta flights
American AirlinesPriceFrom $1,147Free CancellationRating
7.1
12,001 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Buenos Aires?

Finding the right flight to Buenos Aires from St. Louis 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 St. Louis to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis 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 St. Louis.

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

Yes momondo offers price alerts on flights to Buenos Aires from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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