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Cheap flights from St. Louis to Buenos Aires Jorge Newbery Airport from $669

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 4/25. 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

These are some of the best round-trip flight deals from St. Louis to Buenos Aires that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Buenos Aires.

Cheap last minute flights

Planning a quick getaway from St. Louis to Buenos Aires? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buenos Aires, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Buenos Aires

Find recent round-trip train or bus tickets from St. Louis to Buenos Aires.

All round-trip flight deals to Buenos Aires

The cheapest plane tickets to Buenos Aires found on KAYAK recently.
4:28 pm - 2:00 pmSTL-AEP
42h 32m3 stops
12:05 am - 2:42 pmAEP-STL
41h 37m3 stops
$1,128
Find Deal
Thu, Feb 6 - Fri, Feb 21
5:40 pm - 5:00 pmSTL-AEP
45h 20m2 stops
5:10 pm - 11:45 amAEP-STL
20h 35m2 stops
$1,150LATAM Airlines
Find Deal
Fri, Apr 25 - Mon, May 5
6:00 am - 7:40 pmSTL-AEP
34h 40m2 stops
8:00 pm - 9:20 amAEP-STL
16h 20m2 stops
$1,204LATAM Airlines
Find Deal
Wed, Feb 12 - Sat, Feb 22
5:00 pm - 4:00 pmSTL-AEP
20h 00m2 stops
8:00 pm - 9:20 amAEP-STL
16h 20m2 stops
$1,209LATAM Airlines
Find Deal
Thu, Feb 6 - Sat, Feb 22
2:00 pm - 4:00 pmSTL-AEP
23h 00m2 stops
3:40 pm - 9:20 amAEP-STL
20h 40m2 stops
$1,239LATAM Airlines
Find Deal
Thu, Feb 6 - Thu, Feb 13
4:28 pm - 2:00 pmSTL-AEP
42h 32m3 stops
9:30 am - 3:06 pmAEP-STL
32h 36m2 stops
$1,242
Find Deal
Thu, Feb 6 - Sat, Feb 22
4:40 pm - 7:40 pmSTL-AEP
24h 00m2 stops
5:05 pm - 6:01 pmAEP-STL
27h 56m2 stops
$1,302LATAM Airlines
Find Deal
Wed, Feb 12 - Sat, Feb 22
2:00 pm - 7:40 pmSTL-AEP
26h 40m2 stops
8:00 pm - 9:20 amAEP-STL
16h 20m2 stops
$1,314LATAM Airlines
Find Deal
Fri, Feb 7 - Sat, Feb 22
12:52 pm - 4:00 pmSTL-AEP
24h 08m2 stops
8:40 am - 9:22 amAEP-STL
27h 42m2 stops
$1,342LATAM Airlines
Find Deal
Sat, Jan 18 - Sat, Jan 25
3:50 pm - 7:40 pmSTL-AEP
24h 50m2 stops
12:05 am - 2:42 pmAEP-STL
41h 37m3 stops
$1,525
Find Deal
Fri, Feb 7 - Fri, Feb 21
3:50 pm - 1:15 pmSTL-AEP
19h 25m2 stops
Fri, Apr 25
4:40 pm - 4:00 pmSTL-AEP
44h 20m2 stops
$767LATAM Airlines
Find Deal
Sun, Feb 23
3:40 pm - 4:00 pmSTL-AEP
22h 20m3 stops
$1,478
Find Deal
Fri, Apr 25

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
Apr 25
STL5:40 pmLambert-St Louis
45h 20m
2 stops
AEP5:00 pmBuenos Aires Jorge Newbery
May 5
AEP5:10 pmBuenos Aires Jorge Newbery
20h 35m
2 stops
STL11:45 amLambert-St Louis
LATAM Airlines
Feb 12
STL6:00 amLambert-St Louis
34h 40m
2 stops
AEP7:40 pmBuenos Aires Jorge Newbery
Feb 22
AEP8:00 pmBuenos Aires Jorge Newbery
16h 20m
2 stops
STL9:20 amLambert-St Louis
LATAM Airlines
Feb 6
STL5:00 pmLambert-St Louis
20h 00m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Feb 22
AEP8:00 pmBuenos Aires Jorge Newbery
16h 20m
2 stops
STL9:20 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

$669

Fastest flight time

19h 25m

Direct flights

None
The best one-way flight to Buenos Aires Jorge Newbery Airport from St. Louis in the past 72 hours is $669. The best round-trip flight deal from St. Louis to Buenos Aires Jorge Newbery Airport found on momondo in the last 72 hours is $1,128.
The fastest flight from St. Louis to Buenos Aires Jorge Newbery Airport takes 19h 25m
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 19h 41m.

  • 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.


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Buenos Aires?

It is quick and easy to find St. Louis to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

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.

How can momondo help me find flights from St. Louis to Buenos Aires?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Buenos Aires.

I’m not ready to book a flight from St. Louis to Buenos Aires right now. Can momondo alert me if prices change?

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