Cheap flights from Argentina to St. Louis from $796

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Argentina to St. Louis departing on 12/21. 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 Argentina to St. Louis

Recent round-trip flight deals from Argentina to St. Louis

Enter your travel dates to find the best prices.
American Airlines Logo
9:40 pm - 4:11 pmEZE-STL
21h 31m1 stop
American Airlines Logo
11:42 am - 8:20 amSTL-EZE
17h 38m1 stop
$830American Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
American Airlines Logo
11:20 pm - 1:14 pmEZE-STL
16h 54m2 stops
American Airlines Logo
5:15 am - 7:25 amSTL-EZE
23h 10m1 stop
$834American Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
Delta Logo
10:25 pm - 5:29 pmEZE-STL
21h 04m2 stops
Delta Logo
10:45 am - 10:15 amSTL-EZE
20h 30m2 stops
$867Delta
Find Deal
Thu, Oct 30 - Wed, Nov 5
Delta Logo
8:55 pm - 9:15 amEZE-STL
14h 20m1 stop
Delta Logo
5:15 pm - 9:00 amSTL-EZE
12h 45m1 stop
$876Delta
Find Deal
Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
10:55 pm - 3:46 pmEZE-STL
18h 51m2 stops
United Airlines Logo
11:20 am - 7:20 amSTL-EZE
17h 00m1 stop
$881United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
9:05 pm - 2:25 pmEZE-STL
19h 20m2 stops
United Airlines Logo
4:35 pm - 9:20 amSTL-EZE
13h 45m1 stop
$977United Airlines
Find Deal
Thu, Oct 30 - Sat, Nov 22
LATAM Airlines Logo
4:05 am - 9:58 pmEZE-STL
20h 53m2 stops
LATAM Airlines Logo
6:00 am - 6:20 amSTL-EZE
21h 20m2 stops
$1,072LATAM Airlines
Find Deal
Mon, Nov 17 - Tue, Nov 25
LATAM Airlines Logo
4:30 pm - 12:35 pmEZE-STL
22h 05m2 stops
LATAM Airlines Logo
6:00 am - 6:20 amSTL-EZE
21h 20m2 stops
$1,109LATAM Airlines
Find Deal
Thu, Oct 30 - Sat, Nov 22
Multiple Airlines Logo
5:32 am - 3:29 pmEZE-STL
35h 57m3 stops
Multiple Airlines Logo
7:02 pm - 5:10 amSTL-EZE
31h 08m3 stops
$1,229Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
2:45 am - 10:05 amEZE-STL
34h 20m2 stops
Multiple Airlines Logo
6:15 am - 7:30 pmSTL-EZE
34h 15m1 stop
$1,306Multiple Airlines
Find Deal
Mon, Nov 17 - Tue, Nov 25

American Airlines flights from Argentina to St. Louis

Our best American Airlines deals on Argentina to St. Louis flight tickets
American Airlines
Nov 18
EZE9:40 pmBuenos Aires Ministro Pistarini
21h 31m
1 stop
STL4:11 pmLambert-St Louis
Nov 25
STL11:42 amLambert-St Louis
17h 38m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
American Airlines
Nov 18
EZE11:20 pmBuenos Aires Ministro Pistarini
16h 54m
2 stops
STL1:14 pmLambert-St Louis
Nov 25
STL5:15 amLambert-St Louis
23h 10m
1 stop
EZE7:25 amBuenos Aires Ministro Pistarini
American Airlines
Oct 28
EZE8:40 pmBuenos Aires Ministro Pistarini
17h 26m
2 stops
STL12:06 pmLambert-St Louis
Nov 6
STL9:36 amLambert-St Louis
18h 24m
2 stops
EZE7:00 amBuenos Aires Ministro Pistarini

Delta flights from Argentina to St. Louis

Our best Delta deals on Argentina to St. Louis flight tickets
Delta
Oct 30
EZE8:55 pmBuenos Aires Ministro Pistarini
19h 48m
1 stop
STL2:43 pmLambert-St Louis
Nov 5
STL10:45 amLambert-St Louis
20h 30m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Delta
Oct 30
EZE8:55 pmBuenos Aires Ministro Pistarini
14h 20m
1 stop
STL9:15 amLambert-St Louis
Nov 6
STL5:15 pmLambert-St Louis
12h 45m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Delta
Oct 30
EZE8:55 pmBuenos Aires Ministro Pistarini
19h 48m
1 stop
STL2:43 pmLambert-St Louis
Nov 22
STL5:17 pmLambert-St Louis
12h 43m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini

momondo Fare Finder

 
Customize your flight search to find flights from Argentina to St. Louis 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 20, 2025.
Use the filters below to find and compare flights from Argentina to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 11/18

9:40 pm-4:11 pm

1 stop21h 31m

Lambert-St Louis

Tue 11/25

11:42 am-8:20 am

1 stop17h 38m

$830

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 11/18

11:20 pm-1:14 pm

2 stops16h 54m

Lambert-St Louis

Tue 11/25

5:15 am-7:25 am

1 stop23h 10m

$834

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 10/30

10:25 pm-5:29 pm

2 stops21h 04m

Lambert-St Louis

Wed 11/5

10:45 am-10:15 am

2 stops20h 30m

$867

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 10/30

8:55 pm-9:15 am

1 stop14h 20m

Lambert-St Louis

Thu 11/6

5:15 pm-9:00 am

1 stop12h 45m

$876

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 10/30

10:55 pm-3:46 pm

2 stops18h 51m

Lambert-St Louis

Thu 11/6

11:20 am-7:20 am

1 stop17h 00m

$881

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 10/30

9:05 pm-2:25 pm

2 stops19h 20m

Lambert-St Louis

Sat 11/22

4:35 pm-9:20 am

1 stop13h 45m

$977

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 11/17

4:05 am-9:58 pm

2 stops20h 53m

Lambert-St Louis

Tue 11/25

6:00 am-6:20 am

2 stops21h 20m

$1,072

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 10/30

4:30 pm-12:35 pm

2 stops22h 05m

Lambert-St Louis

Sat 11/22

6:00 am-6:20 am

2 stops21h 20m

$1,109

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 10/30

5:32 am-3:29 pm

3 stops35h 57m

Lambert-St Louis

Thu 11/6

7:02 pm-5:10 am

3 stops31h 08m

$1,229

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 11/17

2:45 am-10:05 am

2 stops34h 20m

Lambert-St Louis

Tue 11/25

6:15 am-7:30 pm

1 stop34h 15m

$1,306

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See travel insights to St. Louis from

How to get the cheapest flight ticket from Argentina to St. Louis

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 St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Monday when prices can be found for as low as $958. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,214. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Argentina in the morning is the least expensive time of day to depart. momondo users have found prices as low as $958 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,171 per ticket.

Can stopping save me money on Argentina to St. Louis flights?

You could potentially save up to 5% on your flight if you consider stops on a Argentina to St. Louis flight.

Cheap Argentina to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Argentina to St. Louis

Direct flights

None
There are no direct flights from Argentina to St. Louis. There are no popular flight routes from Argentina to St. Louis.
  • When did momondo last update prices for flights from Argentina to Lambert-St Louis Airport?

    Prices for flights from Argentina to Lambert-St Louis Airport refresh daily.

  • How old do you have to be to fly from Argentina to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Argentina to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis 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.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Collinsville
Fenton
St. Peters
Alton
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Argentina to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Argentina to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Argentina with this policy.

How can momondo help me find flights from Argentina to St. Louis?

Once you have performed a search for Argentina to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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1 adult
Wed 11/19
Wed 11/26

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