HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Jorge Newbery

$422+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AEP
ene. 9 — ene. 161
vie. 1/9
vie. 1/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Jorge Newbery 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 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 diciembre 10, 2025.

This KAYAK deal was found by Cheapflights users on 12/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:00 amSTL - AEP
3 stops26h 45mLATAM Airlines
mié. 12/173:40 pmAEP - STL
2 stops22h 05mLATAM Airlines
Deal found 12/10$1,480
This LATAM Airlines deal was found by Cheapflights users on 12/7. 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.
lun. 12/89:30 amSTL - AEP
2 stops19h 25mLATAM Airlines
vie. 12/128:50 amAEP - STL
2 stops28h 34mLATAM Airlines
Deal found 12/7$1,628
This FlightHub deal was found by Cheapflights users on 12/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/121:57 pmSTL - AEP
2 stops17h 33mLATAM Airlines
dom. 12/145:15 pmAEP - STL
2 stops20h 30mLATAM Airlines
Deal found 12/8$1,765
This KAYAK deal was found by Cheapflights users on 12/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:00 amSTL - AEP
3 stops26h 45mLATAM Airlines
sáb. 12/203:40 pmAEP - STL
2 stops20h 18mLATAM Airlines
Deal found 12/10$1,833
This Mytrip deal was found by Cheapflights users on 12/9. 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.
jue. 12/2511:51 amSTL - AEP
2 stops16h 39mMultiple Airlines
sáb. 1/311:30 amAEP - STL
3 stops26h 26mMultiple Airlines
Deal found 12/9$2,297
This Mytrip deal was found by Cheapflights users on 12/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:42 pmSTL - AEP
3 stops31h 58mMultiple Airlines
sáb. 12/207:00 amAEP - STL
3 stops34h 26mMultiple Airlines
Deal found 12/10$2,959
This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/259:47 amSTL - AEP
2 stops19h 08mLATAM Airlines
sáb. 1/33:40 pmAEP - STL
2 stops20h 18mLATAM Airlines
Deal found 12/9$3,011
This LATAM Airlines deal was found by Cheapflights users on 12/8. 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.
sáb. 12/279:47 amSTL - AEP
2 stops19h 08mLATAM Airlines
sáb. 1/105:15 pmAEP - STL
2 stops20h 50mLATAM Airlines
Deal found 12/8$4,988

Find 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 diciembre 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,058
(KAYAK)

One-way from

$422
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,337
Provider with most accurate pricing for Lambert-St Louis-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Buenos Aires (BUE) flights.
Search Deals
From Lambert-St Louis to Buenos Aires Jorge Newbery
Search Deals
One-way flight from Lambert-St Louis to Buenos Aires Jorge Newbery
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 10, 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

dom. 3/8

6:59 pm-5:00 pm

2 stops20h 01m

Buenos Aires Jorge Newbery

mar. 3/17

11:30 am-11:45 am

2 stops26h 15m

$1,058

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

sáb. 4/11

1:00 pm-9:40 am

2 stops18h 40m

Buenos Aires Jorge Newbery

lun. 4/27

5:05 pm-10:45 am

2 stops19h 40m

$1,058

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

sáb. 4/11

1:00 pm-9:40 am

2 stops18h 40m

Buenos Aires Jorge Newbery

dom. 4/26

3:40 pm-10:45 am

2 stops21h 05m

$1,098

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

sáb. 2/7

1:00 pm-4:00 pm

2 stops24h 00m

Buenos Aires Jorge Newbery

dom. 2/15

5:15 pm-9:06 am

2 stops18h 51m

$1,098

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

mié. 5/27

11:51 am-7:40 am

2 stops17h 49m

Buenos Aires Jorge Newbery

lun. 6/8

5:05 pm-10:45 am

2 stops19h 40m

$1,226

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

vie. 1/23

4:05 pm-3:40 am

3 stops32h 35m

Buenos Aires Jorge Newbery

vie. 1/30

2:30 pm-3:29 pm

2 stops27h 59m

$1,285

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

sáb. 1/17

5:00 pm-5:00 pm

2 stops21h 00m

Buenos Aires Jorge Newbery

dom. 1/25

3:40 pm-11:04 am

2 stops22h 24m

$1,383

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

mié. 1/21

8:22 pm-4:00 pm

3 stops40h 38m

$422

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

mié. 1/14

8:32 pm-7:30 am

3 stops31h 58m

$427

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

jue. 3/12

10:42 am-7:30 am

3 stops42h 48m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 14 results
1
2

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 20h 01m. 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

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 Jorge Newbery

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

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.