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Cheap flights from Buenos Aires Ministro Pistarini Airport to St. Louis from $586

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires Ministro Pistarini Airport to St. Louis departing on 3/5. 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 Buenos Aires Ministro Pistarini Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:55 pm - 10:00 pm
EZE
-
STL
25h 05m2 stops
United Airlines Logo
4:39 pm - 9:20 am
STL
-
EZE
13h 41m1 stop
$1,215United Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
11:55 pm - 3:38 pm
EZE
-
STL
18h 43m1 stop
United Airlines Logo
4:39 pm - 9:20 am
STL
-
EZE
13h 41m1 stop
$1,217United Airlines
Thu, Feb 19 - Mon, Feb 23
LATAM Airlines Logo
8:10 pm - 8:52 am
EZE
-
STL
14h 42m1 stop
LATAM Airlines Logo
5:30 pm - 12:22 pm
STL
-
EZE
16h 52m2 stops
$1,224LATAM Airlines
Tue, Apr 7 - Thu, Jun 11
LATAM Airlines Logo
7:35 am - 11:36 am
EZE
-
STL
30h 01m3 stops
LATAM Airlines Logo
1:30 pm - 9:00 pm
STL
-
EZE
29h 30m2 stops
$1,227LATAM Airlines
Wed, Apr 1 - Wed, Jun 10
LATAM Airlines Logo
8:10 pm - 8:52 am
EZE
-
STL
14h 42m1 stop
LATAM Airlines Logo
5:30 pm - 12:22 pm
STL
-
EZE
16h 52m2 stops
$1,231LATAM Airlines
Tue, Apr 7 - Thu, Jun 11
LATAM Airlines Logo
1:20 pm - 11:36 am
EZE
-
STL
24h 16m2 stops
LATAM Airlines Logo
7:05 pm - 8:35 am
STL
-
EZE
35h 30m2 stops
$1,235LATAM Airlines
Wed, Apr 1 - Wed, Jun 10
LATAM Airlines Logo
7:35 am - 11:36 am
EZE
-
STL
30h 01m3 stops
LATAM Airlines Logo
7:05 pm - 8:35 am
STL
-
EZE
35h 30m2 stops
$1,238LATAM Airlines
Wed, Apr 1 - Wed, Jun 10
LATAM Airlines Logo
3:55 am - 8:52 am
EZE
-
STL
30h 57m2 stops
LATAM Airlines Logo
5:30 pm - 9:00 pm
STL
-
EZE
25h 30m2 stops
$1,280LATAM Airlines
Tue, Mar 31 - Sun, Jun 14
LATAM Airlines Logo
7:35 am - 8:52 am
EZE
-
STL
27h 17m3 stops
LATAM Airlines Logo
5:30 pm - 9:00 pm
STL
-
EZE
25h 30m2 stops
$1,283LATAM Airlines
Wed, Apr 1 - Sun, Jun 14
LATAM Airlines Logo
1:20 pm - 11:45 am
EZE
-
STL
24h 25m2 stops
LATAM Airlines Logo
5:30 pm - 6:21 pm
STL
-
EZE
22h 51m2 stops
$1,284LATAM Airlines
Mon, Apr 6 - Sat, Jun 13

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

Our best United Airlines deals on Buenos Aires Ministro Pistarini Airport to St. Louis flight tickets
United Airlines
Feb 19
EZE11:55 pmBuenos Aires Ministro Pistarini
25h 05m
2 stops
STL10:00 pmLambert-St Louis
Feb 23
STL4:39 pmLambert-St Louis
13h 41m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
$1,215
Find similar
United Airlines
Feb 19
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 43m
1 stop
STL3:38 pmLambert-St Louis
Feb 23
STL4:39 pmLambert-St Louis
13h 41m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
$1,217
Find similar
United Airlines
Feb 19
EZE10:05 pmBuenos Aires Ministro Pistarini
19h 24m
2 stops
STL2:29 pmLambert-St Louis
Feb 23
STL8:21 amLambert-St Louis
19h 59m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
$1,354
Find similar

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

Our best LATAM Airlines deals on Buenos Aires Ministro Pistarini Airport to St. Louis flight tickets
LATAM Airlines
Apr 7
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 42m
1 stop
STL8:52 amLambert-St Louis
Jun 11
STL5:30 pmLambert-St Louis
16h 52m
2 stops
EZE12:22 pmBuenos Aires Ministro Pistarini
$1,224
Find similar
LATAM Airlines
Apr 1
EZE7:35 amBuenos Aires Ministro Pistarini
30h 01m
3 stops
STL11:36 amLambert-St Louis
Jun 10
STL1:30 pmLambert-St Louis
29h 30m
2 stops
EZE9:00 pmBuenos Aires Ministro Pistarini
$1,227
Find similar
LATAM Airlines
Apr 7
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 42m
1 stop
STL8:52 amLambert-St Louis
Jun 11
STL5:30 pmLambert-St Louis
16h 52m
2 stops
EZE12:22 pmBuenos Aires Ministro Pistarini
$1,231
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires Ministro Pistarini Airport 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 December 11, 2025.
Use the filters below to find and compare flights from Buenos Aires Ministro Pistarini Airport 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

Thu 2/19

11:55 pm-10:00 pm

2 stops25h 05m

Lambert-St Louis

Mon 2/23

4:39 pm-9:20 am

1 stop13h 41m

$1,215

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 2/19

11:55 pm-3:38 pm

1 stop18h 43m

Lambert-St Louis

Mon 2/23

4:39 pm-9:20 am

1 stop13h 41m

$1,217

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 4/7

8:10 pm-8:52 am

1 stop14h 42m

Lambert-St Louis

Thu 6/11

5:30 pm-12:22 pm

2 stops16h 52m

$1,224

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 4/1

7:35 am-11:36 am

3 stops30h 01m

Lambert-St Louis

Wed 6/10

1:30 pm-9:00 pm

2 stops29h 30m

$1,227

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 4/7

8:10 pm-8:52 am

1 stop14h 42m

Lambert-St Louis

Thu 6/11

5:30 pm-12:22 pm

2 stops16h 52m

$1,231

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 4/1

1:20 pm-11:36 am

2 stops24h 16m

Lambert-St Louis

Wed 6/10

7:05 pm-8:35 am

2 stops35h 30m

$1,235

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 4/1

7:35 am-11:36 am

3 stops30h 01m

Lambert-St Louis

Wed 6/10

7:05 pm-8:35 am

2 stops35h 30m

$1,238

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 3/31

3:55 am-8:52 am

2 stops30h 57m

Lambert-St Louis

Sun 6/14

5:30 pm-9:00 pm

2 stops25h 30m

$1,280

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 4/1

7:35 am-8:52 am

3 stops27h 17m

Lambert-St Louis

Sun 6/14

5:30 pm-9:00 pm

2 stops25h 30m

$1,283

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 4/6

1:20 pm-11:45 am

2 stops24h 25m

Lambert-St Louis

Sat 6/13

5:30 pm-6:21 pm

2 stops22h 51m

$1,284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

You could potentially save up to 9% on your flight if you consider stops on a Buenos Aires Ministro Pistarini Airport to St. Louis flight.

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

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

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

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

Fastest flight time

14h 42m

Direct flights

None
The fastest flight from Buenos Aires Ministro Pistarini Airport to St. Louis takes 14h 42m
There are no direct flights from Buenos Aires Ministro Pistarini Airport to St. Louis. There are no popular flight routes from Buenos Aires Ministro Pistarini Airport to St. Louis.
Search flight deals

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

    A flight from Buenos Aires Ministro Pistarini to Lambert-St Louis will travel around 5460.2 mi. 14h 42m is a normal flight duration for this route.

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

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

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

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Farmington
Festus
Clayton
Glencoe
Edwardsville
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buenos Aires to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Buenos Aires to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Buenos Aires and alert you when they change.

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