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STL - AEP

Find cheap flights from St. Louis to Buenos Aires Jorge Newbery from $1,040

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Buenos Aires departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 5/23
Thu 5/30

Search hundreds of travel sites at once for deals on flights to Buenos Aires Jorge Newbery

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Buenos Aires, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Buenos Aires, as well as popular online travel agencies
In the last 7 days travelers have searched 44,632,927 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from St. Louis to Buenos Aires (STL-AEP)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Buenos Aires that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
5:05 pm - 4:00 pmSTL-AEP
20h 55m2 stops
9:40 pm - 11:35 pmAEP-STL
27h 55m3 stops
$1,040LATAM Airlines
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Thu, Oct 10 - Fri, Oct 25
10:15 am - 6:00 pmSTL-AEP
29h 45m2 stops
12:20 pm - 11:43 pmAEP-STL
37h 23m2 stops
$1,057LATAM Airlines
Find Deal
Mon, Jun 24 - Wed, Jul 3
5:25 pm - 6:40 pmSTL-AEP
23h 15m2 stops
9:40 pm - 9:06 amAEP-STL
37h 26m2 stops
$1,085LATAM Airlines
Find Deal
Mon, Jul 1 - Sun, Jul 7
6:00 am - 4:00 pmSTL-AEP
32h 00m2 stops
4:10 pm - 10:43 amAEP-STL
20h 33m2 stops
$1,108LATAM Airlines
Find Deal
Sun, Oct 6 - Mon, Oct 14
6:00 am - 4:00 pmSTL-AEP
32h 00m2 stops
1:30 pm - 11:43 pmAEP-STL
36h 13m2 stops
$1,244LATAM Airlines
Find Deal
Wed, May 29 - Mon, Jun 17

Good to know

Cheapest flight

$1,040
Flight from St. Louis to Buenos Aires Jorge Newbery

When to book flights from St. Louis to Buenos Aires

Are your dates flexible? Find out the best times to travel from St. Louis to Buenos Aires based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking St. Louis to Buenos Aires Jorge Newbery flights

  • What is the cheapest flight from St. Louis to Buenos Aires Jorge Newbery Airport?

    In the last 3 days, the lowest price for a flight from St. Louis to Buenos Aires Jorge Newbery Airport was $1,040 for a round-trip ticket.

  • Do I need a passport to fly between St. Louis and Buenos Aires Jorge Newbery?

    Yes

  • Which aircraft models fly most regularly from St. Louis to Buenos Aires Jorge Newbery?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from St. Louis to Buenos Aires Jorge Newbery?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Buenos Aires Jorge Newbery.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Buenos Aires Jorge Newbery?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires Jorge Newbery from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Buenos Aires Jorge Newbery?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buenos Aires Jorge Newbery with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and AEP can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Buenos Aires Jorge Newbery?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires Jorge Newbery from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

St. Louis - Buenos Aires Jorge Newbery Flights

Departure:

St. Louis (STL)United States

Destination:

Buenos Aires Jorge Newbery (AEP)Argentina

Cabin classes: