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Jorge Newbery

$431+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AEP
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
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 November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,058
(KAYAK)

One-way from

$431
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$1,355
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. 1% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 21, 2025.

This KAYAK deal was found by Cheapflights users on 11/20. 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.
Sat 12/131:35 pmSTL - AEP
2 stops22h 05mLATAM Airlines
Thu 12/182:55 pmAEP - STL
2 stops20h 29mLATAM Airlines
Deal found 11/20$1,493
This KAYAK deal was found by Cheapflights users on 11/20. 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.
Sat 12/131:35 pmSTL - AEP
2 stops22h 05mLATAM Airlines
Sat 12/205:15 pmAEP - STL
2 stops22h 06mLATAM Airlines
Deal found 11/20$1,518
This FlightHub deal was found by Cheapflights users on 11/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:17 pmSTL - AEP
2 stops35h 38mLATAM Airlines
Tue 11/253:40 pmAEP - STL
2 stops22h 03mLATAM Airlines
Deal found 11/19$1,592
This LATAM Airlines deal was found by Cheapflights users on 11/18. 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.
Fri 12/55:12 pmSTL - AEP
2 stops22h 28mLATAM Airlines
Tue 12/93:40 pmAEP - STL
2 stops22h 05mLATAM Airlines
Deal found 11/18$1,625
This eDestinos deal was found by Cheapflights users on 11/19. 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 12/136:00 amSTL - AEP
3 stops59h 40mMultiple Airlines
Sat 1/109:50 amAEP - STL
3 stops55h 52mMultiple Airlines
Deal found 11/19$1,910
This Ovago deal was found by Cheapflights users on 11/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:47 amSTL - AEP
2 stops19h 08mLATAM Airlines
Fri 1/25:15 pmAEP - STL
2 stops21h 48mLATAM Airlines
Deal found 11/20$2,039
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/121:57 pmSTL - AEP
2 stops19h 23mDelta
Fri 12/196:20 pmAEP - STL
2 stops20h 43mDelta
Deal found 11/20$20,966

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 November 21, 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

Sun 3/8

7:05 pm-5:00 pm

2 stops19h 55m

Buenos Aires Jorge Newbery

Tue 3/17

5:15 pm-11:50 am

2 stops20h 35m

$1,058

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 1/17

5:00 pm-6:40 pm

2 stops22h 40m

Buenos Aires Jorge Newbery

Sun 1/25

3:40 pm-11:04 am

2 stops22h 24m

$1,098

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 12/13

1:35 pm-2:40 pm

2 stops22h 05m

Buenos Aires Jorge Newbery

Thu 12/18

2:55 pm-8:24 am

2 stops20h 29m

$1,493

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 12/13

1:35 pm-2:40 pm

2 stops22h 05m

Buenos Aires Jorge Newbery

Sat 12/20

5:15 pm-12:21 pm

2 stops22h 06m

$1,518

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Fri 12/5

5:12 pm-6:40 pm

2 stops22h 28m

Buenos Aires Jorge Newbery

Tue 12/9

3:40 pm-10:45 am

2 stops22h 05m

$1,625

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 1/3

5:13 pm-7:55 am

2 stops35h 42m

Buenos Aires Jorge Newbery

Sat 1/10

5:15 pm-11:39 pm

2 stops33h 24m

$1,746

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Mon 1/5

9:59 am-7:55 am

2 stops18h 56m

Buenos Aires Jorge Newbery

Sat 1/10

3:40 pm-11:05 am

2 stops22h 25m

$1,829

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Fri 2/20

5:11 pm-5:00 am

3 stops56h 49m

$431

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Thu 2/19

10:42 am-2:40 pm

3 stops24h 58m

$529

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Wed 2/18

7:00 am-9:30 pm

3 stops35h 30m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 11 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 19h 55m. LATAM Airlines provides one of the quickest options available for as low as $1,058. 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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