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St. Louis

$493+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — STL
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Argentina to St. Louis

Best flights from Argentina to St. Louis
Discover carefully curated flight deals from Argentina to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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.
Thu 4/169:00 pmEZE - STL
2 stops26h 03mUnited Airlines
Wed 6/106:15 amSTL - EZE
1 stop23h 45mUnited Airlines
Deal found 12/3$1,090
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 4/88:10 pmEZE - STL
1 stop14h 42mDelta
Mon 6/157:05 pmSTL - EZE
1 stop12h 40mDelta
Deal found 12/3$1,102
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 4/89:00 pmEZE - STL
1 stop14h 28mUnited Airlines
Tue 6/98:00 amSTL - EZE
2 stops22h 00mUnited Airlines
Deal found 12/3$1,090
This Delta deal was found by Cheapflights users on 12/3. 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.
Thu 4/97:35 amEZE - STL
2 stops18h 07mDelta
Mon 6/157:05 pmSTL - EZE
1 stop12h 40mDelta
Deal found 12/3$1,102
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Tue 3/319:00 pmEZE - STL
2 stops26h 47mUnited Airlines
Mon 6/86:15 amSTL - EZE
1 stop23h 45mUnited Airlines
Deal found 12/3$1,090
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 4/154:45 pmEZE - STL
2 stops25h 13mDelta
Mon 6/157:05 pmSTL - EZE
1 stop12h 40mDelta
Deal found 12/3$1,102
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Tue 3/319:00 pmEZE - STL
2 stops26h 03mUnited Airlines
Wed 6/108:50 amSTL - EZE
1 stop21h 10mUnited Airlines
Deal found 12/3$1,090
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 3/258:00 amEZE - STL
2 stops17h 42mDelta
Tue 6/97:20 amSTL - EZE
2 stops21h 00mDelta
Deal found 12/3$1,118
This Delta deal was found by Cheapflights users on 12/3. 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.
Mon 3/307:35 amEZE - STL
2 stops18h 07mDelta
Mon 6/85:30 pmSTL - EZE
1 stop14h 15mDelta
Deal found 12/3$1,118
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 4/17:35 amEZE - STL
2 stops18h 07mDelta
Thu 6/45:00 pmSTL - EZE
2 stops20h 45mDelta
Deal found 12/3$1,118
This Delta deal was found by Cheapflights users on 12/3. 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.
Mon 4/134:45 pmEZE - STL
2 stops25h 13mDelta
Wed 6/176:00 amSTL - EZE
1 stop25h 45mDelta
Deal found 12/3$1,164

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 December 4, 2025.

Round-trip from

$926
(American Airlines)

One-way from

$493
(Kiwi.com)
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 December 4, 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

Thu 4/16

9:00 pm-9:03 pm

2 stops26h 03m

Lambert-St Louis

Wed 6/10

6:15 am-8:00 am

1 stop23h 45m

$1,090

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 4/8

9:00 pm-9:28 am

1 stop14h 28m

Lambert-St Louis

Tue 6/9

8:00 am-8:00 am

2 stops22h 00m

$1,090

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 3/31

9:00 pm-9:47 pm

2 stops26h 47m

Lambert-St Louis

Mon 6/8

6:15 am-8:00 am

1 stop23h 45m

$1,090

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 3/31

9:00 pm-9:03 pm

2 stops26h 03m

Lambert-St Louis

Wed 6/10

8:50 am-8:00 am

1 stop21h 10m

$1,090

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 4/8

8:10 pm-8:52 am

1 stop14h 42m

Lambert-St Louis

Mon 6/15

7:05 pm-9:45 am

1 stop12h 40m

$1,102

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 4/9

7:35 am-11:42 pm

2 stops18h 07m

Lambert-St Louis

Mon 6/15

7:05 pm-9:45 am

1 stop12h 40m

$1,102

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 4/15

4:45 pm-3:58 pm

2 stops25h 13m

Lambert-St Louis

Mon 6/15

7:05 pm-9:45 am

1 stop12h 40m

$1,102

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 3/25

8:00 am-11:42 pm

2 stops17h 42m

Lambert-St Louis

Tue 6/9

7:20 am-6:20 am

2 stops21h 00m

$1,118

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 3/30

7:35 am-11:42 pm

2 stops18h 07m

Lambert-St Louis

Mon 6/8

5:30 pm-9:45 am

1 stop14h 15m

$1,118

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 4/1

7:35 am-11:42 pm

2 stops18h 07m

Lambert-St Louis

Thu 6/4

5:00 pm-3:45 pm

2 stops20h 45m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 16 results
1
2

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 December 4, 2025.

It’s optimal to fly from Argentina to St. Louis in the afternoon. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the morning.

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 December 4, 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
7.9
Good
8,011 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

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 14h 42m. Airlines will cover a distance of 5472 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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