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Cheap flights from Argentina to St. Louis from $602

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 6/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Multiple Airlines Logo
8:25 am - 2:39 pm
EZE
-
STL
32h 14m
1 stop
Multiple Airlines Logo
6:00 am - 10:00 am
STL
-
EZE
26h 00m
2 stops
$1,125Multiple Airlines
Mon, May 4 - Wed, May 6
Multiple Airlines Logo
8:25 am - 2:39 pm
EZE
-
STL
32h 14m
1 stop
Multiple Airlines Logo
6:00 am - 10:00 am
STL
-
EZE
26h 00m
2 stops
$1,126Multiple Airlines
Mon, May 4 - Wed, May 6
Multiple Airlines Logo
8:25 am - 2:39 pm
EZE
-
STL
32h 14m
1 stop
Multiple Airlines Logo
6:00 am - 7:30 pm
STL
-
EZE
35h 30m
1 stop
$1,232Multiple Airlines
Mon, May 4 - Wed, May 6
Multiple Airlines Logo
8:25 am - 2:39 pm
EZE
-
STL
32h 14m
1 stop
Multiple Airlines Logo
6:00 am - 7:30 pm
STL
-
EZE
35h 30m
1 stop
$1,233Multiple Airlines
Mon, May 4 - Wed, May 6
Multiple Airlines Logo
3:48 am - 11:19 pm
EZE
-
STL
21h 31m
2 stops
Multiple Airlines Logo
6:00 am - 7:30 pm
STL
-
EZE
35h 30m
1 stop
$1,250Multiple Airlines
Sat, May 2 - Wed, May 6
Multiple Airlines Logo
3:48 am - 11:19 pm
EZE
-
STL
21h 31m
2 stops
Multiple Airlines Logo
6:00 am - 7:30 pm
STL
-
EZE
35h 30m
1 stop
$1,251Multiple Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
8:30 pm - 10:16 am
EZE
-
STL
15h 46m
1 stop
American Airlines Logo
11:15 am - 7:05 am
STL
-
EZE
17h 50m
1 stop
$1,252American Airlines
Mon, Apr 6 - Wed, Jun 10
American Airlines Logo
10:20 pm - 4:41 pm
EZE
-
STL
20h 21m
2 stops
American Airlines Logo
1:19 pm - 7:05 am
STL
-
EZE
15h 46m
2 stops
$1,256American Airlines
Mon, Apr 6 - Wed, Jun 10
Multiple Airlines Logo
4:00 am - 12:21 pm
EZE
-
STL
34h 21m
3 stops
Multiple Airlines Logo
12:10 pm - 6:10 am
STL
-
EZE
40h 00m
3 stops
$1,262Multiple Airlines
Wed, Jun 24 - Sun, Jul 12
American Airlines Logo
8:35 pm - 10:16 am
EZE
-
STL
15h 41m
1 stop
American Airlines Logo
5:15 am - 8:05 pm
STL
-
EZE
12h 50m
1 stop
$1,297American Airlines
Thu, May 7 - Fri, May 29

United Airlines flights from Argentina to St. Louis

Our best United Airlines deals on Argentina to St. Louis flight tickets
United Airlines
May 7
EZE9:00 pmBuenos Aires Ministro Pistarini
17h 47m
2 stops
STL12:47 pmLambert-St Louis
May 29
STL1:13 pmLambert-St Louis
16h 47m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
$1,337
United Airlines
Aug 28
EZE9:00 pmBuenos Aires Ministro Pistarini
20h 38m
2 stops
STL3:38 pmLambert-St Louis
Sep 1
STL9:16 amLambert-St Louis
20h 44m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
$1,546
United Airlines
Aug 28
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 09m
1 stop
STL10:09 amLambert-St Louis
Sep 1
STL7:30 amLambert-St Louis
22h 30m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
$1,549

Air Canada flights from Argentina to St. Louis

Our best Air Canada deals on Argentina to St. Louis flight tickets
Air Canada
Apr 6
EZE4:35 pmBuenos Aires Ministro Pistarini
24h 50m
2 stops
STL3:25 pmLambert-St Louis
Jun 13
STL1:05 pmLambert-St Louis
47h 25m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$2,092
Air Canada
Apr 6
EZE4:35 pmBuenos Aires Ministro Pistarini
24h 50m
2 stops
STL3:25 pmLambert-St Louis
Jun 13
STL1:05 pmLambert-St Louis
47h 25m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$2,093
Air Canada
Apr 6
EZE4:35 pmBuenos Aires Ministro Pistarini
24h 50m
2 stops
STL3:25 pmLambert-St Louis
Jun 13
STL1:05 pmLambert-St Louis
47h 25m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$2,280

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 March 27, 2026.
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

Cheapest round-trip

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 5/4

8:25 am-2:39 pm

1 stop32h 14m

Lambert-St Louis

Wed 5/6

6:00 am-10:00 am

2 stops26h 00m

$1,125

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 5/4

8:25 am-2:39 pm

1 stop32h 14m

Lambert-St Louis

Wed 5/6

6:00 am-10:00 am

2 stops26h 00m

$1,126

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 5/4

8:25 am-2:39 pm

1 stop32h 14m

Lambert-St Louis

Wed 5/6

6:00 am-7:30 pm

1 stop35h 30m

$1,232

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 5/4

8:25 am-2:39 pm

1 stop32h 14m

Lambert-St Louis

Wed 5/6

6:00 am-7:30 pm

1 stop35h 30m

$1,233

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Sat 5/2

3:48 am-11:19 pm

2 stops21h 31m

Lambert-St Louis

Wed 5/6

6:00 am-7:30 pm

1 stop35h 30m

$1,250

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Sat 5/2

3:48 am-11:19 pm

2 stops21h 31m

Lambert-St Louis

Wed 5/6

6:00 am-7:30 pm

1 stop35h 30m

$1,251

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 4/6

8:30 pm-10:16 am

1 stop15h 46m

Lambert-St Louis

Wed 6/10

11:15 am-7:05 am

1 stop17h 50m

$1,252

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 4/6

10:20 pm-4:41 pm

2 stops20h 21m

Lambert-St Louis

Wed 6/10

1:19 pm-7:05 am

2 stops15h 46m

$1,256

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 6/24

4:00 am-12:21 pm

3 stops34h 21m

Lambert-St Louis

Sun 7/12

12:10 pm-6:10 am

3 stops40h 00m

$1,262
Quickest round-trip

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 5/7

8:35 pm-10:16 am

1 stop15h 41m

Lambert-St Louis

Fri 5/29

5:15 am-8:05 pm

1 stop12h 50m

$1,297

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 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

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

You could potentially save up to 21% 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

Fastest flight time

21h 08m

Direct flights

None
The fastest flight from Argentina to St. Louis takes 21h 08m
There are no direct flights from Argentina to St. Louis. There are no popular flight routes from Argentina to St. Louis.
Search flight deals

  • 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
Collinsville
St. Peters
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Edwardsville
Eureka
Litchfield
Shrewsbury
Grafton

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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