EZE - STL

$445 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 5/11. 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

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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
$972
Typical prices: $1,237-$1,351
Air Canada
Mon 5/18Wed 5/27
EZE - STL • 2 stops
Cheapest one-way
$445
Multiple Airlines
Mon 5/11
EZE - STL • 3 stops
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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, May 18 - Wed, May 27
Air Canada Logo
4:35 pm - 8:05 pm
EZE
-
STL
29h 30m
2 stops
Air Canada Logo
1:00 pm - 2:30 pm
STL
-
EZE
23h 30m
2 stops
$972Air Canada
Mon, May 18 - Tue, May 26
Air Canada Logo
4:35 pm - 8:05 pm
EZE
-
STL
29h 30m
2 stops
Air Canada Logo
7:30 am - 2:30 pm
STL
-
EZE
29h 00m
2 stops
$977Air Canada
Tue, May 19 - Tue, May 26
LATAM Airlines Logo
8:10 pm - 8:07 am
EZE
-
STL
13h 57m
1 stop
LATAM Airlines Logo
7:05 pm - 9:45 am
STL
-
EZE
12h 40m
1 stop
$1,023LATAM Airlines
Thu, Jun 4 - Thu, Jun 11
LATAM Airlines Logo
1:20 pm - 10:45 am
EZE
-
STL
23h 25m
2 stops
LATAM Airlines Logo
7:05 pm - 9:45 am
STL
-
EZE
12h 40m
1 stop
$1,027LATAM Airlines
Sun, May 10 - Tue, May 19
LATAM Airlines Logo
8:10 pm - 6:02 pm
EZE
-
STL
23h 52m
1 stop
LATAM Airlines Logo
7:05 pm - 9:45 am
STL
-
EZE
12h 40m
1 stop
$1,065LATAM Airlines
Thu, Jun 4 - Sat, Jun 13
LATAM Airlines Logo
1:20 pm - 10:45 am
EZE
-
STL
23h 25m
2 stops
LATAM Airlines Logo
5:30 pm - 9:45 am
STL
-
EZE
14h 15m
1 stop
$1,070LATAM Airlines
Fri, Jun 5 - Fri, Jun 12
LATAM Airlines Logo
7:45 am - 11:38 pm
EZE
-
STL
17h 53m
2 stops
LATAM Airlines Logo
7:05 pm - 9:45 am
STL
-
EZE
12h 40m
1 stop
$1,108LATAM Airlines
Sat, May 30 - Sat, Jun 6
LATAM Airlines Logo
1:20 pm - 10:45 am
EZE
-
STL
23h 25m
2 stops
LATAM Airlines Logo
11:51 am - 9:45 am
STL
-
EZE
19h 54m
1 stop
$1,113LATAM Airlines
Mon, Jun 8 - Tue, Jun 16
LATAM Airlines Logo
8:10 pm - 8:07 am
EZE
-
STL
13h 57m
1 stop
LATAM Airlines Logo
5:30 pm - 9:45 am
STL
-
EZE
14h 15m
1 stop
$1,146LATAM Airlines
Tue, Jun 9 - Thu, Jun 18
LATAM Airlines Logo
3:55 am - 11:38 pm
EZE
-
STL
21h 43m
2 stops
LATAM Airlines Logo
5:30 pm - 6:50 pm
STL
-
EZE
23h 20m
2 stops
$1,150LATAM 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.

Which airlines provide the cheapest flights from Buenos Aires to St. Louis?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Buenos Aires to St. Louis were found on Air Canada ($972) and LATAM Airlines ($1,023).

Find deals

Good to know

Low seasonApril
Cheapest flight$445
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly and prices are also 1% 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 $445 for a one-way ticket and $972 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)