EZE - STL

$697 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

Save 23% 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
$1,167
American Airlines
Mon 5/11Fri 5/22
EZE - STL • 1 stop
Cheapest one-way
$697
Air Canada
Mon 5/11
EZE - STL • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Buenos Aires and St. Louis. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Houston (IAH)
Cheapest • Avg $1,196 (round-trip)
Atlanta (ATL)
Shortest trip • 14h 39m (one-way)
Insights
Insights
Insights
Insights
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, May 11 - Fri, May 22
American Airlines Logo
8:35 pm - 10:16 am
EZE
-
STL
15h 41m
1 stop
American Airlines Logo
5:15 am - 8:05 pm
STL
-
EZE
12h 50m
1 stop
$1,167American Airlines
Mon, May 11 - Fri, May 22
American Airlines Logo
10:20 pm - 3:13 pm
EZE
-
STL
18h 53m
2 stops
American Airlines Logo
8:36 am - 7:05 am
STL
-
EZE
20h 29m
1 stop
$1,171American Airlines
Mon, May 11 - Fri, May 22
United Airlines Logo
9:00 pm - 4:39 pm
EZE
-
STL
21h 39m
2 stops
United Airlines Logo
1:13 pm - 8:00 am
STL
-
EZE
16h 47m
2 stops
$1,241United Airlines
Mon, May 11 - Fri, May 22
Air Canada Logo
4:35 pm - 8:25 pm
EZE
-
STL
53h 50m
3 stops
Air Canada Logo
7:05 am - 2:30 pm
STL
-
EZE
29h 25m
2 stops
$1,402Air Canada
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
5:34 am - 3:19 pm
EZE
-
STL
35h 45m
2 stops
Multiple Airlines Logo
6:00 am - 7:30 pm
STL
-
EZE
35h 30m
1 stop
$1,466Multiple Airlines
Mon, Apr 6 - Wed, Jun 10
LATAM Airlines Logo
8:10 pm - 9:05 am
EZE
-
STL
14h 55m
1 stop
LATAM Airlines Logo
5:30 pm - 11:30 am
STL
-
EZE
16h 00m
2 stops
$1,642LATAM Airlines
Tue, Apr 7 - Thu, Jun 11
LATAM Airlines Logo
8:10 pm - 9:05 am
EZE
-
STL
14h 55m
1 stop
LATAM Airlines Logo
1:30 pm - 9:45 am
STL
-
EZE
18h 15m
1 stop
$1,649LATAM Airlines
Tue, Apr 14 - Tue, Apr 21
LATAM Airlines Logo
7:45 am - 11:36 pm
EZE
-
STL
17h 51m
2 stops
LATAM Airlines Logo
4:41 pm - 11:30 am
STL
-
EZE
16h 49m
2 stops
$1,665LATAM Airlines
Wed, Apr 1 - Wed, Jun 10
Multiple Airlines Logo
11:25 pm - 3:14 pm
EZE
-
STL
41h 49m
2 stops
Multiple Airlines Logo
7:00 am - 10:00 am
STL
-
EZE
25h 00m
2 stops
$1,678Multiple Airlines
Mon, Apr 6 - Sat, Jun 13
LATAM Airlines Logo
8:10 pm - 9:05 am
EZE
-
STL
14h 55m
1 stop
LATAM Airlines Logo
5:30 pm - 11:30 am
STL
-
EZE
16h 00m
2 stops
$1,684LATAM 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 American Airlines ($1,167) and United Airlines ($1,241).

Find deals

Good to know

Cheapest flight$697
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 $697 for a one-way ticket and $1,167 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)