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St. Louis

$925+ Cheap flights from Argentina to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — STL
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap 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 August 18, 2025.

Round-trip from

$925
(American Airlines)
From Argentina to Lambert-St Louis
Search Deals

Find 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 August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 11/1210:25 pmEZE - STL
1 stop20h 04mAmerican Airlines
Tue 12/27:00 amSTL - EZE
1 stop22h 15mAmerican Airlines
Deal found 8/17$925
This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:35 pmEZE - STL
3 stops53h 22mAir Canada
Thu 9/251:30 pmSTL - EZE
3 stops47h 00mAir Canada
Deal found 8/16$931
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:55 pmEZE - STL
1 stop19h 01mDelta
Wed 12/34:27 pmSTL - EZE
1 stop14h 48mDelta
Deal found 8/17$970
This LATAM Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 11/114:05 amEZE - STL
2 stops20h 54mLATAM Airlines
Tue 12/29:00 amSTL - EZE
2 stops18h 20mLATAM Airlines
Deal found 8/17$979
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:35 pmEZE - STL
2 stops24h 43mAir Canada
Wed 10/81:30 pmSTL - EZE
2 stops23h 00mAir Canada
Deal found 8/16$1,051
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:25 pmEZE - STL
2 stops20h 45mMultiple Airlines
Thu 9/2510:21 amSTL - EZE
1 stop31h 09mMultiple Airlines
Deal found 8/16$1,056
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 9/38:40 pmEZE - STL
2 stops21h 35mAmerican Airlines
Wed 10/2912:51 pmSTL - EZE
2 stops16h 59mAmerican Airlines
Deal found 8/17$1,065
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 10/110:30 pmEZE - STL
1 stop27h 29mAmerican Airlines
Wed 10/81:28 pmSTL - EZE
2 stops18h 47mAmerican Airlines
Deal found 8/16$1,067
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 9/2610:30 pmEZE - STL
2 stops19h 45mAmerican Airlines
Sat 10/1810:23 amSTL - EZE
2 stops20h 37mAmerican Airlines
Deal found 8/17$1,130

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 August 18, 2025.
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

Wed 11/12

10:25 pm-3:29 pm

1 stop20h 04m

Lambert-St Louis

Tue 12/2

7:00 am-8:15 am

1 stop22h 15m

$925

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 11/18

11:59 pm-4:40 pm

2 stops19h 41m

Lambert-St Louis

Wed 12/3

11:14 am-7:05 am

2 stops16h 51m

$930

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 9/18

4:35 pm-7:57 pm

3 stops53h 22m

Lambert-St Louis

Thu 9/25

1:30 pm-2:30 pm

3 stops47h 00m

$931

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 11/18

8:55 pm-12:56 pm

1 stop19h 01m

Lambert-St Louis

Wed 12/3

4:27 pm-10:15 am

1 stop14h 48m

$970

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 11/11

4:05 am-9:59 pm

2 stops20h 54m

Lambert-St Louis

Tue 12/2

9:00 am-6:20 am

2 stops18h 20m

$979

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 11/17

4:05 am-9:59 pm

2 stops20h 54m

Lambert-St Louis

Wed 12/3

6:00 am-6:20 am

2 stops21h 20m

$979

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 10/1

4:35 pm-3:18 pm

2 stops24h 43m

Lambert-St Louis

Wed 10/8

1:30 pm-2:30 pm

2 stops23h 00m

$1,051

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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

What is the cheapest time of day to fly from AR to STL?

Find hourly flight availability from Argentina to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Argentina to St. Louis as you normally would.

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 August 18, 2025.
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
8.0
Very good
7,981 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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.

  • 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.

  • What is the cheapest month to book a flight from Argentina to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Argentina to St. Louis (average of $311). Flying from Argentina to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

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

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