EZE - STL

$447 Find Cheap Flights from Buenos Aires to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Buenos Aires to St. Louis departing on 3/10. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buenos Aires to St. Louis, 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 Buenos Aires to St. Louis, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

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

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

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

Everything you should know

Cheapest round-trip
$926
Typical prices: $1,134-$1,146
American Airlines
Mon 4/6Wed 6/10
EZE - STL • 1 stop
Cheapest one-way
$447
Multiple Airlines
Tue 3/10
EZE - STL • 3 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Buenos Aires to St. Louis (EZE-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Buenos Aires to St. Louis 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 for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buenos Aires to St. Louis

Mon, Apr 6 - Wed, Jun 10
American Airlines Logo
11:30 pm - 9:35 pm
EZE
-
STL
24h 05m1 stop
American Airlines Logo
5:39 am - 7:15 am
STL
-
EZE
23h 36m1 stop
$926American Airlines
Mon, Apr 6 - Wed, Jun 10
American Airlines Logo
11:30 pm - 9:35 pm
EZE
-
STL
24h 05m1 stop
American Airlines Logo
4:48 pm - 9:00 am
STL
-
EZE
14h 12m2 stops
$930American Airlines
Wed, Apr 1 - Wed, Jun 10
American Airlines Logo
11:30 pm - 9:51 pm
EZE
-
STL
24h 21m1 stop
American Airlines Logo
7:25 am - 7:15 am
STL
-
EZE
21h 50m1 stop
$976American Airlines
Wed, Apr 8 - Mon, Jun 15
Delta Logo
8:10 pm - 8:52 am
EZE
-
STL
14h 42m1 stop
Delta Logo
5:30 pm - 9:45 am
STL
-
EZE
14h 15m1 stop
$979Delta
Mon, Apr 6 - Wed, Jun 10
American Airlines Logo
11:30 pm - 4:11 pm
EZE
-
STL
18h 41m2 stops
American Airlines Logo
12:50 pm - 7:35 am
STL
-
EZE
16h 45m2 stops
$980American Airlines
Tue, Mar 31 - Wed, Jun 10
LATAM Airlines Logo
7:35 am - 8:52 am
EZE
-
STL
27h 17m3 stops
LATAM Airlines Logo
5:30 pm - 9:45 am
STL
-
EZE
14h 15m1 stop
$982LATAM Airlines
Mon, Mar 30 - Tue, Jun 9
LATAM Airlines Logo
1:20 pm - 9:10 pm
EZE
-
STL
33h 50m2 stops
LATAM Airlines Logo
1:30 pm - 12:22 pm
STL
-
EZE
20h 52m2 stops
$983LATAM Airlines
Wed, Apr 8 - Fri, Jun 19
LATAM Airlines Logo
8:10 pm - 8:52 am
EZE
-
STL
14h 42m1 stop
LATAM Airlines Logo
11:51 am - 9:00 pm
STL
-
EZE
31h 09m2 stops
$1,022LATAM Airlines
Wed, Apr 8 - Fri, Jun 12
LATAM Airlines Logo
7:35 am - 8:52 am
EZE
-
STL
27h 17m3 stops
LATAM Airlines Logo
5:30 pm - 9:00 pm
STL
-
EZE
25h 30m2 stops
$1,025LATAM Airlines
Tue, Apr 7 - Fri, Jun 19
LATAM Airlines Logo
1:20 pm - 11:45 am
EZE
-
STL
24h 25m2 stops
LATAM Airlines Logo
1:30 pm - 9:00 pm
STL
-
EZE
29h 30m2 stops
$1,026LATAM Airlines
Booking Insights

KAYAK's insights & trends for Buenos Aires to St. Louis flights

Get data-powered insights and trends into flights from Buenos Aires to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Buenos Aires to St. Louis?

The average price of all round-trip flights from Buenos Aires Ministro Pistarini Airport to St. Louis clicked on KAYAK for each day over the last 12 months.

For Buenos Aires to St. Louis, Monday is the cheapest day to fly on average and Sunday is the most expensive. Flying from St. Louis back to Buenos Aires, the best deals are generally found on Tuesday, with Wednesday being the most expensive.

Find deals

Good to know

Low seasonSeptember
Cheapest flight$447
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly and prices are also 25% lower on average.
Flight from Buenos Aires to St. Louis

When to book flights from Buenos Aires to St. Louis

Are your dates flexible? Find out the best times to travel from Buenos Aires to St. Louis 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 Buenos Aires to St. Louis flights

  • What is the cheapest flight from Buenos Aires Ministro Pistarini Airport to St. Louis?

    In the last 3 days, the lowest price for a flight from Buenos Aires Ministro Pistarini Airport to St. Louis was $447 for a one-way ticket and $979 for a round-trip.

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

    Yes

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

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

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

    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 Buenos Aires to St. Louis.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Buenos Aires 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 Buenos Aires to St. Louis?

    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 St. Louis with an airline and back to Buenos Aires with another airline. Booking your flights between Buenos Aires and STL 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 Buenos Aires to St. Louis?

    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 St. Louis from Buenos Aires up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Buenos Aires to St. Louis

Information on your arrival and departure airports

Buenos Aires (EZE)
St. Louis (STL)