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St. Louis

$649+ Cheap flights from Argentina to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — STL
feb. 25 — mar. 41
mié. 2/25
mié. 3/4
1 adult, Economy
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Cheap flight deals from Argentina to St. Louis

Cheapest flights from Argentina to St. Louis
Explore the most affordable flight options available from Argentina to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/308:25 pm
EZE
-
STL
1 stop15h 51m
American Airlines
sáb. 5/95:24 am
STL
-
EZE
1 stop23h 51m
American Airlines
Deal found 1/24$1,027
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/308:25 pm
EZE
-
STL
2 stops18h 57m
American Airlines
sáb. 5/162:12 pm
STL
-
EZE
2 stops18h 53m
American Airlines
Deal found 1/25$1,031
This Travelocity deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/304:30 pm
EZE
-
STL
2 stops21h 36m
Air Canada
sáb. 5/97:30 am
STL
-
EZE
3 stops53h 00m
Air Canada
Deal found 1/24$1,071
This Travelocity deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/304:30 pm
EZE
-
STL
3 stops29h 35m
Air Canada
sáb. 5/167:30 am
STL
-
EZE
3 stops53h 00m
Air Canada
Deal found 1/25$1,074
This LATAM Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/17:35 am
EZE
-
STL
2 stops27h 30m
LATAM Airlines
mié. 6/101:30 pm
STL
-
EZE
2 stops29h 30m
LATAM Airlines
Deal found 1/25$1,253
This LATAM Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/77:35 am
EZE
-
STL
2 stops18h 23m
LATAM Airlines
jue. 6/115:30 pm
STL
-
EZE
1 stop14h 15m
LATAM Airlines
Deal found 1/26$1,254
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/289:05 pm
EZE
-
STL
1 stop21h 30m
United Airlines
sáb. 10/3111:00 am
STL
-
EZE
1 stop17h 20m
United Airlines
Deal found 1/24$1,299

Find flight deals from Argentina to St. Louis

Keep the following information in mind while searching for Argentina to St. Louis flight deals. Data was last updated enero 26, 2026.

Round-trip from

$1,027
(American Airlines)

One-way from

$649
(Orbitz)
From Argentina to Lambert-St Louis
Search Deals
One-way flight from Argentina to Lambert-St Louis
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated enero 26, 2026.
Use the filters below to find and compare flights from Argentina to St. Louis that are best for you.

Fly from

Argentina

Fly to

St. Louis

Route

Depart

Return

Price

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

jue. 4/30

8:25 pm-10:16 am

1 stop15h 51m

Lambert-St Louis

sáb. 5/9

5:24 am-7:15 am

1 stop23h 51m

$1,027

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

jue. 4/30

8:25 pm-1:22 pm

2 stops18h 57m

Lambert-St Louis

sáb. 5/16

2:12 pm-11:05 am

2 stops18h 53m

$1,031

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

jue. 4/30

4:30 pm-12:06 pm

2 stops21h 36m

Lambert-St Louis

sáb. 5/9

7:30 am-2:30 pm

3 stops53h 00m

$1,071

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

jue. 4/30

4:30 pm-12:06 pm

2 stops21h 36m

Lambert-St Louis

sáb. 5/16

7:30 am-2:30 pm

3 stops53h 00m

$1,071

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

lun. 4/6

3:55 am-11:58 pm

2 stops22h 03m

Lambert-St Louis

jue. 6/11

7:05 pm-9:45 am

1 stop12h 40m

$1,253

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

mar. 4/7

8:10 pm-11:09 am

1 stop16h 59m

Lambert-St Louis

jue. 6/11

5:30 pm-9:45 am

1 stop14h 15m

$1,253

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

mar. 3/31

3:55 am-11:58 pm

2 stops22h 03m

Lambert-St Louis

mié. 6/10

5:30 pm-9:45 am

1 stop14h 15m

$1,253

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

lun. 5/25

4:35 pm-12:06 pm

2 stops21h 31m

$649

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

dom. 3/15

2:43 pm-1:34 pm

3 stops24h 51m

$653

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

lun. 5/25

9:50 pm-12:56 pm

1 stop17h 06m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 16 results
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Best time to book a flight from Argentina to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Argentina with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Argentina to St. Louis
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated enero 26, 2026.
See what other customers who have flown with Delta from Argentina to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,111 reviews
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Argentina to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Argentina?

    For a flight from Argentina to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How long is the flight from Argentina to St. Louis?

    Departing from Argentina to St. Louis will take you 15h 51m. Airlines will cover a distance of 5472 mi.

  • Can I find deals for flights from Argentina to St. Louis that include hotel bookings?

    Yes. In addition to deals on Argentina to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Argentina to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Argentina to St. Louis.

  • Can I find deals for business class flights from Argentina to St. Louis?

    Yes. Cheapflights offers flight deals from Argentina to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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