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Jorge Newbery

$937+ Cheap flights from St. Louis (STL) to Jorge Newbery (AEP)

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AEP
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
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 January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$937
(LATAM Airlines)

Popular in

June

Cheapest in

September

Average price

$1,410
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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Highest demand for flights based on searches. 5% potential increase in price ($74 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 January 2026
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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 January 7, 2026.

This LATAM Airlines deal was found by Cheapflights users on 1/7. 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.
Tue 3/106:59 pmSTL - AEP
2 stops20h 01mLATAM Airlines
Tue 3/245:15 pmAEP - STL
2 stops19h 54mLATAM Airlines
Deal found 1/7$937
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:04 pmSTL - AEP
2 stops17h 51mLATAM Airlines
Tue 3/175:15 pmAEP - STL
2 stops19h 54mLATAM Airlines
Deal found 1/7$1,014
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:30 pmSTL - AEP
2 stops20h 30mLATAM Airlines
Tue 8/256:20 pmAEP - STL
2 stops18h 21mLATAM Airlines
Deal found 1/7$1,019
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 amSTL - AEP
2 stops25h 40mLATAM Airlines
Sun 10/188:05 pmAEP - STL
2 stops23h 56mLATAM Airlines
Deal found 1/6$1,059
This FlightHub deal was found by Cheapflights users on 1/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:04 pmSTL - AEP
2 stops17h 51mLATAM Airlines
Thu 4/26:20 pmAEP - STL
2 stops18h 49mLATAM Airlines
Deal found 1/7$1,081
This LATAM Airlines deal was found by Cheapflights users on 1/6. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:43 amSTL - AEP
2 stops24h 17mLATAM Airlines
Mon 5/45:05 pmAEP - STL
2 stops26h 49mLATAM Airlines
Deal found 1/6$1,103
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/812:00 pmSTL - AEP
2 stops18h 40mLATAM Airlines
Mon 1/263:40 pmAEP - STL
2 stops20h 13mLATAM Airlines
Deal found 1/7$1,201
This KAYAK deal was found by Cheapflights users on 1/5. 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 1/179:59 amSTL - AEP
2 stops18h 56mLATAM Airlines
Sun 1/255:15 pmAEP - STL
2 stops18h 38mLATAM Airlines
Deal found 1/5$1,259
This FlightHub deal was found by Cheapflights users on 1/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:51 amSTL - AEP
2 stops17h 49mLATAM Airlines
Tue 7/283:40 pmAEP - STL
2 stops28h 22mLATAM Airlines
Deal found 1/6$1,334

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 January 7, 2026.
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

6:59 pm-2:00 pm

2 stops17h 01m

Buenos Aires Jorge Newbery

Tue 3/17

5:15 pm-11:09 am

2 stops19h 54m

$1,014

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Tue 3/24

12:04 pm-7:55 am

2 stops17h 51m

Buenos Aires Jorge Newbery

Thu 4/2

6:20 pm-11:09 am

2 stops18h 49m

$1,081

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Thu 4/30

9:40 am-4:00 pm

2 stops28h 20m

Buenos Aires Jorge Newbery

Mon 5/4

6:20 pm-10:34 am

2 stops18h 14m

$1,103

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 1/17

9:59 am-7:55 am

2 stops18h 56m

Buenos Aires Jorge Newbery

Sun 1/25

5:15 pm-8:53 am

2 stops18h 38m

$1,259

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sat 1/17

4:05 pm-5:20 pm

3 stops22h 15m

Buenos Aires Jorge Newbery

Sun 1/25

4:55 pm-3:29 pm

2 stops25h 34m

$2,474

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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 17h 01m. LATAM Airlines provides one of the quickest options available for as low as $1,014. 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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