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Jorge Newbery

$374+ Cheap flights from St. Louis (STL) to Jorge Newbery (AEP)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AEP
Nov 7 — Nov 141
Fri 11/7
Fri 11/14
1 adult, Economy
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Cheap flight deals from St. Louis to Jorge Newbery

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Jorge Newbery (AEP). 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 October 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$830
(KAYAK)

One-way from

$374
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$1,189
Provider with most accurate pricing for Lambert-St Louis-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Buenos Aires (BUE) flights.
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From Lambert-St Louis to Buenos Aires Jorge Newbery
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One-way flight from Lambert-St Louis to Buenos Aires Jorge Newbery
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Highest demand for flights based on searches. 3% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from St. Louis to Jorge Newbery

Cheapest flights from St. Louis to Jorge Newbery
Explore the most affordable flight options available from St. Louis to Jorge Newbery. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2025.

This KAYAK deal was found by Cheapflights users on 10/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:17 pmSTL - AEP
2 stops19h 43mLATAM Airlines
Wed 11/2610:35 amAEP - STL
2 stops35h 00mLATAM Airlines
Deal found 10/8$830
This Expedia deal was found by Cheapflights users on 10/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:21 amSTL - AEP
2 stops29h 14mLATAM Airlines
Tue 10/283:40 pmAEP - STL
2 stops22h 55mLATAM Airlines
Deal found 10/7$860
This Expedia deal was found by Cheapflights users on 10/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:00 amSTL - AEP
2 stops20h 55mLATAM Airlines
Sun 12/148:25 pmAEP - STL
2 stops41h 20mLATAM Airlines
Deal found 10/6$915
This Gurufare deal was found by Cheapflights users on 10/8. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:55 pmSTL - AEP
2 stops21h 05mLATAM Airlines
Tue 11/255:15 pmAEP - STL
2 stops20h 28mLATAM Airlines
Deal found 10/8$937
This LATAM Airlines deal was found by Cheapflights users on 10/8. 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.
Wed 11/56:00 amSTL - AEP
2 stops22h 55mLATAM Airlines
Wed 11/125:15 pmAEP - STL
2 stops20h 28mLATAM Airlines
Deal found 10/8$1,055
This KAYAK deal was found by Cheapflights users on 10/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:40 pmSTL - AEP
2 stops26h 55mLATAM Airlines
Mon 10/202:55 pmAEP - STL
2 stops29h 07mLATAM Airlines
Deal found 10/8$1,115
This LATAM Airlines deal was found by Cheapflights users on 10/7. 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.
Mon 12/81:57 pmSTL - AEP
2 stops21h 03mLATAM Airlines
Fri 12/123:40 pmAEP - STL
2 stops21h 44mLATAM Airlines
Deal found 10/7$1,142
This Mytrip deal was found by Cheapflights users on 10/8. 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 11/54:05 pmSTL - AEP
2 stops25h 25mMultiple Airlines
Wed 11/128:55 amAEP - STL
3 stops33h 34mMultiple Airlines
Deal found 10/8$1,150
This Expedia deal was found by Cheapflights users on 10/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:00 amSTL - AEP
2 stops22h 55mLATAM Airlines
Fri 11/282:55 pmAEP - STL
2 stops30h 02mLATAM Airlines
Deal found 10/7$1,175
This Mytrip deal was found by Cheapflights users on 10/7. 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 10/224:05 pmSTL - AEP
2 stops26h 25mMultiple Airlines
Tue 10/287:00 amAEP - STL
3 stops34h 29mMultiple Airlines
Deal found 10/7$1,190
This Avianca deal was found by Cheapflights users on 10/8. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:25 amSTL - AEP
2 stops42h 15mAvianca
Tue 11/257:00 amAEP - STL
2 stops39h 16mAvianca
Deal found 10/8$1,381

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Jorge Newbery 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 October 8, 2025.
Use the filters below to find and compare flights from St. Louis to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

St. Louis

Fly to

Jorge Newbery

Route

Depart

Return

Price

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Tue 11/18

9:33 am-4:00 pm

2 stops27h 27m

Buenos Aires Jorge Newbery

Wed 11/26

2:55 pm-6:35 pm

2 stops30h 40m

$830

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Wed 11/5

6:00 am-7:55 am

2 stops22h 55m

Buenos Aires Jorge Newbery

Mon 11/10

12:40 pm-6:35 pm

2 stops32h 55m

$830

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Wed 10/22

11:21 am-6:35 pm

2 stops29h 14m

Buenos Aires Jorge Newbery

Tue 10/28

3:40 pm-12:35 pm

2 stops22h 55m

$860

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 12/6

8:00 am-7:55 am

2 stops20h 55m

Buenos Aires Jorge Newbery

Sun 12/14

8:25 pm-10:45 am

2 stops41h 20m

$915

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 1/17

5:00 pm-4:00 pm

2 stops20h 00m

Buenos Aires Jorge Newbery

Sun 1/25

5:15 pm-9:04 am

2 stops18h 49m

$930

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sun 3/8

11:51 am-6:40 pm

2 stops28h 49m

Buenos Aires Jorge Newbery

Tue 3/17

5:15 pm-3:01 pm

2 stops23h 46m

$975

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Thu 11/20

6:00 am-7:55 am

2 stops22h 55m

Buenos Aires Jorge Newbery

Thu 11/27

6:20 pm-9:49 am

2 stops18h 29m

$1,055

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 12/6

7:43 pm-7:30 am

3 stops32h 47m

$374

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Wed 10/15

7:52 pm-2:40 pm

3 stops40h 48m

$666

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Fri 12/26

5:45 pm-9:20 pm

3 stops48h 35m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

Showing 1-10 of 13 results
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Best time to book a flight from St. Louis to Jorge Newbery

Have a flexible travel schedule? Discover the best time to fly to Jorge Newbery 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.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Jorge Newbery. 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 Jorge Newbery?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Buenos Aires Jorge Newbery. You should not have trouble finding flights to Buenos Aires Jorge Newbery from Lambert-St Louis; the airport handles an average of 0 outbound flights to Buenos Aires Jorge Newbery per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the St. Louis airport to Buenos Aires Jorge Newbery. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How long is the flight from St. Louis to Buenos Aires Jorge Newbery Airport?

    A quick flight from St. Louis to Buenos Aires Jorge Newbery Airport can take about 27h 27m. LATAM Airlines provides one of the quickest options available for as low as $830. St. Louis and Buenos Aires Jorge Newbery Airport are separated by a distance of 5458 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Jorge Newbery 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

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