HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ministro Pistarini

$380+ Cheap flights from St. Louis (STL) to Ministro Pistarini (EZE)

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EZE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Ministro Pistarini with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Ministro Pistarini

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Ministro Pistarini (EZE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$1,025
(LATAM Airlines)

One-way from

$380
(Avianca)

Popular in

January

Cheapest in

August

Average price

$1,265
From Lambert-St Louis to Buenos Aires Ministro Pistarini
Search Deals
One-way flight from Lambert-St Louis to Buenos Aires Ministro Pistarini
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from St. Louis to Ministro Pistarini

Cheapest flights from St. Louis to Ministro Pistarini
Explore the most affordable flight options available from St. Louis to Ministro Pistarini. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Justfly.com deal was found by Cheapflights users on 6/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/93:30 pmSTL - EZE
2 stops18h 17mLATAM Airlines
Thu 10/237:40 amEZE - STL
2 stops17h 59mLATAM Airlines
Deal found 6/12$1,020
This Delta deal was found by Cheapflights users on 6/9. 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 11/53:30 pmSTL - EZE
1 stop14h 30mDelta
Wed 11/197:35 pmEZE - STL
2 stops20h 21mDelta
Deal found 6/9$1,025
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/1810:15 amSTL - EZE
1 stop19h 45mUnited Airlines
Mon 8/259:00 pmEZE - STL
2 stops26h 32mUnited Airlines
Deal found 6/11$1,030
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/185:22 amSTL - EZE
1 stop24h 03mAmerican Airlines
Mon 8/2510:30 pmEZE - STL
2 stops19h 44mAmerican Airlines
Deal found 6/11$1,041
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Mon 8/181:30 pmSTL - EZE
3 stops47h 00mAir Canada
Mon 9/154:35 pmEZE - STL
2 stops29h 03mAir Canada
Deal found 6/10$1,111
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:30 amSTL - EZE
3 stops29h 15mMultiple Airlines
Wed 11/197:10 amEZE - STL
2 stops37h 04mMultiple Airlines
Deal found 6/9$1,299
This Copa Airlines deal was found by Cheapflights users on 6/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/188:00 amSTL - EZE
2 stops21h 54mCopa Airlines
Sun 8/243:47 amEZE - STL
2 stops32h 15mCopa Airlines
Deal found 6/11$1,421
This eDestinos deal was found by Cheapflights users on 6/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:25 amSTL - EZE
2 stops27h 55mGOL
Fri 1/93:15 amEZE - STL
2 stops21h 33mGOL
Deal found 6/12$2,598

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Ministro Pistarini 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 June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

St. Louis

Fly to

Ministro Pistarini

Route

Depart

Return

Price

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 8/18

11:02 am-6:10 am

2 stops17h 08m

Buenos Aires Ministro Pistarini

Sun 9/14

3:55 am-11:39 pm

2 stops21h 44m

$1,025

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 8/18

10:00 am-8:00 am

2 stops20h 00m

Buenos Aires Ministro Pistarini

Mon 8/25

9:00 pm-9:32 pm

2 stops26h 32m

$1,030

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 8/18

5:22 am-7:25 am

1 stop24h 03m

Buenos Aires Ministro Pistarini

Mon 8/25

10:30 pm-4:14 pm

2 stops19h 44m

$1,041

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Thu 9/4

6:00 am-5:55 am

2 stops21h 55m

Buenos Aires Ministro Pistarini

Fri 9/12

8:10 pm-2:36 pm

1 stop20h 26m

$1,065

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 8/18

1:30 pm-2:30 pm

3 stops47h 00m

Buenos Aires Ministro Pistarini

Mon 9/15

4:35 pm-7:38 pm

2 stops29h 03m

$1,111

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 6/16

11:28 am-3:25 am

3 stops37h 57m

Buenos Aires Ministro Pistarini

Wed 6/18

4:35 pm-7:58 pm

2 stops29h 23m

$1,326

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 8/18

8:00 am-7:54 am

2 stops21h 54m

Buenos Aires Ministro Pistarini

Sun 8/24

3:47 am-10:02 am

2 stops32h 15m

$1,421

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Tue 8/5

10:00 am-5:45 am

2 stops17h 45m

$380

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Tue 8/5

6:15 am-8:00 am

1 stop23h 45m

$726

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sun 8/3

5:23 pm-9:45 am

1 stop14h 22m

$988

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
1
2

Best time to book a flight from St. Louis to Ministro Pistarini

Have a flexible travel schedule? Discover the best time to fly to Ministro Pistarini from St. Louis 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 St. Louis to Buenos Aires Ministro Pistarini Airport

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

Find hourly flight availability from St. Louis to Ministro Pistarini. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from St. Louis to Buenos Aires Ministro Pistarini Airport in the evening. Doing so could potentially save you 8% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Ministro Pistarini by month

Plan your trip to Ministro Pistarini by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires Ministro Pistarini Airport ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires Ministro Pistarini Airport when rainfall is around 2.0 in.

Temperature in Ministro Pistarini by month

Plan your trip to Ministro Pistarini by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires Ministro Pistarini Airport, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Ministro Pistarini

Get insights into the airlines that provide service to Ministro Pistarini. 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 Ministro Pistarini. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Ministro Pistarini. 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 from for flights from St. Louis to Buenos Aires Ministro Pistarini?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Buenos Aires Ministro Pistarini. 3 airlines have flights from Lambert-St Louis to Buenos Aires Ministro Pistarini on a regular basis. Booking flights from Lambert-St Louis to Buenos Aires Ministro Pistarini should not be difficult; the airport handles an average of 0 outbound flights to Buenos Aires Ministro Pistarini per day.

  • What are the cheapest airlines flying from St. Louis to Buenos Aires Ministro Pistarini Airport round-trip?

    LATAM Airlines, at $1,025, was found to be the cheapest airline from St. Louis to Buenos Aires Ministro Pistarini Airport.Alternate airlines to your destination round-trip include United Airlines and American Airlines. You may be able to fly from St. Louis to Buenos Aires Ministro Pistarini Airport for 17% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from St. Louis to Buenos Aires Ministro Pistarini Airport one-way?

    $726 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $988 and $1,002, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Ministro Pistarini 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 St. Louis to Buenos Aires Ministro Pistarini Airport?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Buenos Aires Ministro Pistarini Airport (average of $795). Flying from St. Louis to Buenos Aires Ministro Pistarini Airport in December is currently the most expensive (average of $1,260). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Ministro Pistarini

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Ministro Pistarini flights
St. Louis to Jorge Newbery flights
Kansas City to Jorge Newbery flights

Top 3 airlines flying from St. Louis to Ministro Pistarini

Discover the top 3 airlines that operate flights from St. Louis to Ministro Pistarini. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,023Average$1,283FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,025Average$1,238FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,053Average$1,223FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.