STL - EZE

$458 Find Cheap Flights from St. Louis to Buenos Aires - Compare and Save

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Everything you should know

Cheapest round-trip
$1,268
Typical prices: $1,198-$1,595
Delta
Thu 4/19Fri 5/18
STL - EZE • 2 stops
Cheapest one-way
$458
Typical prices: $756-$1,018
Multiple Airlines
Sat 12/1
STL - EZE • 3 stops
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Buenos Aires Ministro Pistarini Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
June
Cheapest • 16% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg $1,287 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 14h 10m (one-way)
Insights
Insights
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We hope you love your trip to Buenos Aires Ministro Pistarini Airport!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Mon, Apr 19 - Tue, May 18
Delta Logo
7:20 am - 6:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
21h 00m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
5:00 pm - 3:58 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
24h 58m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$1,268Delta
Mon, Apr 19 - Tue, May 18
Delta Logo
1:30 pm - 9:45 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
18h 15m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:10 pm - 10:48 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
16h 38m1 stop Atlanta Hartsfield-Jackson
$1,268Delta
Mon, Apr 19 - Tue, May 18
Delta Logo
5:15 pm - 9:45 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
14h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:00 pm - 2:28 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
23h 28m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$1,268Delta
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
12:02 pm - 7:15 pmSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
52h 13m2 stops Atlanta Hartsfield-Jackson Miami
Multiple Airlines Logo
5:20 am - 6:14 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
15h 54m1 stop Punta Cana
$1,280Multiple Airlines
Fri, Mar 19 - Thu, Apr 8
LATAM Airlines Logo
6:00 am - 6:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
22h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
LATAM Airlines Logo
7:20 am - 11:39 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
18h 19m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$1,308LATAM Airlines
Wed, Dec 9 - Wed, Dec 16
American Airlines Logo
4:48 pm - 9:05 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
13h 17m1 stop Miami
American Airlines Logo
10:10 am - 9:50 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 40m1 stop Miami
$1,308American Airlines
Thu, Jan 28 - Sat, Mar 13
Multiple Airlines Logo
10:13 am - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
20h 27m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
11:35 pm - 1:43 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
17h 08m1 stop Atlanta Hartsfield-Jackson
$1,308Multiple Airlines
Thu, Jan 28 - Sat, Mar 13
LATAM Airlines Logo
6:00 am - 10:55 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
25h 55m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
LATAM Airlines Logo
12:20 pm - 1:43 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
28h 23m2 stops Miami Atlanta Hartsfield-Jackson
$1,312LATAM Airlines
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
9:40 am - 7:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
18h 40m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
11:55 pm - 4:08 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
19h 13m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$1,312United Airlines
Thu, Jan 28 - Sat, Mar 13
American Airlines Logo
7:01 am - 8:30 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
22h 29m1 stop Dallas/Fort Worth
American Airlines Logo
10:35 pm - 10:31 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 56m1 stop Miami
$1,338American Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Buenos Aires Ministro Pistarini Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Buenos Aires Ministro Pistarini Airport?

Round-trip flights from St. Louis to Buenos Aires Ministro Pistarini Airport typically range from $1,198 to $1,595. The lowest price found in the past 5 days was $1,268, on Delta.

What's the cheapest day of the week to fly from St. Louis to Buenos Aires Ministro Pistarini Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from St. Louis to Buenos Aires Ministro Pistarini Airport. It’s 9% cheaper than the average day, while Saturday is the most expensive, with prices 21% higher.

Find deals

Key details for St. Louis to Buenos Aires Ministro Pistarini Airport flights

Low season

October

Cheapest flight

$458
Beat the crowds with an average 69% drop in travelers.
The most popular month to fly with an average 94% increase in travelers.
One-way flight from St. Louis to Buenos Aires Ministro Pistarini Airport

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

Your St. Louis to Buenos Aires Ministro Pistarini Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Buenos Aires Ministro Pistarini Airport?

    Only Economy Class is available on flights from St. Louis to Buenos Aires Ministro Pistarini Airport.

  • How long is a flight from St. Louis to Buenos Aires Ministro Pistarini Airport?

    A nonstop flight from St. Louis to Buenos Aires Ministro Pistarini Airport takes 00m, covering 5,472 miles.

  • Do I need a passport to fly from St. Louis to Buenos Aires Ministro Pistarini Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a St. Louis to Buenos Aires Ministro Pistarini Airport flight?

    Round-trip flights from St. Louis to Buenos Aires Ministro Pistarini Airport range from $1,198 to $1,595, with an average of $1,314 over the past 12 months. Anything below $1,198 counts as a good deal.

  • How are flight prices from St. Louis to Buenos Aires Ministro Pistarini Airport looking right now?

    One-way fares from St. Louis to Buenos Aires Ministro Pistarini Airport are currently lower than usual. Average one-way flight prices are about $748, which is 16% below the typical average for this route.

  • What car rental options are available at Buenos Aires Ministro Pistarini Airport (EZE)?

    Buenos Aires Ministro Pistarini Airport (EZE) hosts 5 major car rental companies, with daily rates averaging $66 for economy cars. Top options include:

    • Hertz
    • Rentacar
    • Street Rent a Car
    • Alamo
    • Localiza

  • Which airports can I use when flying from St. Louis to Buenos Aires Ministro Pistarini Airport?

    Flights from St. Louis to Buenos Aires Ministro Pistarini Airport usually depart from Lambert-St Louis (STL) and arrive at Buenos Aires Ministro Pistarini (EZE).

  • Which airports do connecting flights from St. Louis to Buenos Aires Ministro Pistarini Airport pass through?

    One-stop flights from St. Louis to Buenos Aires Ministro Pistarini Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 78% of one-stop connections
    • Miami (MIA) - 12% of one-stop connections
    • Dallas/Fort Worth (DFW) - 6% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Buenos Aires Ministro Pistarini Airport?

    Yes. Flexible dates can save you up to 25% on flights from St. Louis to Buenos Aires Ministro Pistarini Airport. Wednesday is the cheapest departure day at $1,198 round-trip on average, while Saturday is the most expensive at $1,596, a difference of $398.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from St. Louis to Buenos Aires Ministro Pistarini Airport?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 14h 10m, compared with 14h 42m via Miami (MIA) and 15h 51m via Dallas/Fort Worth (DFW).

  • What is the time difference between St. Louis and Buenos Aires Ministro Pistarini Airport?

    Buenos Aires Ministro Pistarini Airport is 2 hours ahead of St. Louis (Argentina Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Buenos Aires Ministro Pistarini Airport?

    Some of the most popular sights in Buenos Aires Ministro Pistarini Airport are Obelisco de Buenos Aires, Estadio Monumental and Parque Centenario. These are among the most viewed places in Buenos Aires Ministro Pistarini Airport on KAYAK.

Your guide to booking St. Louis to Buenos Aires Ministro Pistarini Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $1,198, about $398 less than Saturday fares (25% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Buenos Aires Ministro Pistarini Airport trip for June. Fares historically average $1,109 round-trip in that month - typically $486 less than the most expensive month, which is January (based on the last 12 months).

More options for your flight from St. Louis to Buenos Aires

Complete your trip to Buenos Aires with a hotel stay or car rental

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