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Cheap flights from St. Louis to Buenos Aires Jorge Newbery Airport from $718

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Buenos Aires Jorge Newbery Airport departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Buenos Aires

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Buenos Aires.
LATAM Airlines Logo
3:30 pm - 2:00 pmSTL-AEP
20h 30m2 stops
LATAM Airlines Logo
5:00 pm - 10:40 amAEP-STL
19h 40m2 stops
$1,115LATAM Airlines
Find Deal
Thu, Sep 4 - Fri, Sep 12
LATAM Airlines Logo
6:00 am - 4:05 amSTL-AEP
20h 05m2 stops
LATAM Airlines Logo
6:20 pm - 9:39 amAEP-STL
17h 19m2 stops
$1,121LATAM Airlines
Find Deal
Mon, Jun 2 - Sat, Jun 7
LATAM Airlines Logo
5:40 pm - 4:00 pmSTL-AEP
20h 20m2 stops
LATAM Airlines Logo
3:40 pm - 10:38 amAEP-STL
20h 58m2 stops
$1,135LATAM Airlines
Find Deal
Sun, Aug 24 - Mon, Sep 1
LATAM Airlines Logo
3:30 pm - 2:40 pmSTL-AEP
21h 10m2 stops
LATAM Airlines Logo
5:00 pm - 10:40 amAEP-STL
19h 40m2 stops
$1,161LATAM Airlines
Find Deal
Sat, Sep 13 - Fri, Sep 19
LATAM Airlines Logo
5:40 pm - 2:00 pmSTL-AEP
18h 20m2 stops
LATAM Airlines Logo
3:40 pm - 9:00 amAEP-STL
19h 20m2 stops
$1,175LATAM Airlines
Find Deal
Wed, May 7 - Wed, May 21
LATAM Airlines Logo
3:40 pm - 2:00 pmSTL-AEP
20h 20m2 stops
LATAM Airlines Logo
2:55 pm - 11:54 amAEP-STL
22h 59m2 stops
$1,245LATAM Airlines
Find Deal
Fri, May 16 - Fri, May 23
LATAM Airlines Logo
7:01 pm - 6:35 pmSTL-AEP
21h 34m2 stops
LATAM Airlines Logo
8:10 pm - 11:36 pmAEP-STL
29h 26m2 stops
$1,298LATAM Airlines
Find Deal
Sun, Apr 20 - Mon, Apr 28
 Logo
3:30 pm - 9:00 pmSTL-AEP
27h 30m2 stops
 Logo
6:00 am - 5:15 pmAEP-STL
37h 15m3 stops
$1,300
Find Deal
Sun, Apr 20 - Mon, Apr 28
 Logo
3:30 pm - 9:00 pmSTL-AEP
27h 30m3 stops
 Logo
6:00 am - 5:15 pmAEP-STL
37h 15m3 stops
$1,354
Find Deal
Sun, Apr 20 - Mon, Apr 28
 Logo
7:30 am - 4:00 pmSTL-AEP
30h 30m3 stops
 Logo
3:40 am - 12:36 pmAEP-STL
34h 56m3 stops
$1,412
Find Deal
Mon, Jun 2 - Fri, Jun 6

LATAM Airlines flights from St. Louis to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on St. Louis to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Sep 4
STL3:30 pmLambert-St Louis
20h 30m
2 stops
AEP2:00 pmBuenos Aires Jorge Newbery
Sep 12
AEP5:00 pmBuenos Aires Jorge Newbery
19h 40m
2 stops
STL10:40 amLambert-St Louis
LATAM Airlines
Jun 2
STL6:00 amLambert-St Louis
20h 05m
2 stops
AEP4:05 amBuenos Aires Jorge Newbery
Jun 7
AEP6:20 pmBuenos Aires Jorge Newbery
17h 19m
2 stops
STL9:39 amLambert-St Louis
LATAM Airlines
Aug 24
STL5:40 pmLambert-St Louis
20h 20m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Sep 1
AEP3:40 pmBuenos Aires Jorge Newbery
20h 58m
2 stops
STL10:38 amLambert-St Louis

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from St. Louis to Buenos Aires Jorge Newbery Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lambert-St Louis to Buenos Aires Jorge Newbery?

LATAM Airlines is the most popular carrier operating from Lambert-St Louis to Buenos Aires Jorge Newbery

When to book flights from St. Louis to Buenos Aires Jorge Newbery Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Buenos Aires Jorge Newbery Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Buenos Aires Jorge Newbery Airport (STL to AEP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Buenos Aires Jorge Newbery Airport

Best Price Found

$718

Fastest flight time

18h 20m

Direct flights

None
The best one-way flight to Buenos Aires Jorge Newbery Airport from St. Louis in the past 72 hours is $718. The best round-trip flight deal from St. Louis to Buenos Aires Jorge Newbery Airport found on momondo in the last 72 hours is $1,115.
The fastest flight from St. Louis to Buenos Aires Jorge Newbery Airport takes 18h 20m
There are no direct flights from St. Louis to Buenos Aires Jorge Newbery Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - Buenos Aires Jorge Newbery Airport.

  • How far is Lambert-St Louis to Buenos Aires Jorge Newbery by plane?

    The distance between Lambert-St Louis and Buenos Aires Jorge Newbery is about 5446.6 mi. In terms of flight time, this usually takes a little over 18h 20m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Buenos Aires Jorge Newbery Airport?

    Prices for flights from Lambert-St Louis Airport to Buenos Aires Jorge Newbery Airport refresh daily.

  • How old do you have to be to fly from Lambert-St Louis Airport to Buenos Aires Jorge Newbery Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Buenos Aires Jorge Newbery Airport.

  • What documentation or ID do you need to fly to Buenos Aires Jorge Newbery Airport?

    The required travel and health documents for your Buenos Aires Jorge Newbery Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Jorge Newbery Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


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Can I find flights from St. Louis to Buenos Aires with flexible booking policies on momondo?

Flights from St. Louis to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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