STL - EZE

$500 Find Cheap Flights from St. Louis to Buenos Aires - Compare and Save

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Everything you should know

Cheapest round-trip
$1,168
Typical prices: $1,198-$1,595
American Airlines
Wed 1/24Fri 2/2
STL - EZE • 1 stop
Cheapest one-way
$500
Typical prices: $756-$1,018
Multiple Airlines
Mon 12/24
STL - EZE • 2 stops
Nonstop flights
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.
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When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $1,287 (round-trip)
Shortest trip • 14h 10m (one-way)
Insights
Insights
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We hope you love your trip to Buenos Aires Ministro Pistarini Airport!
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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

Sun, Jan 24 - Tue, Feb 2
American Airlines Logo
5:00 am - 7:25 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
23h 25m1 stop Miami
American Airlines Logo
10:50 pm - 5:38 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
21h 48m1 stop Miami
$1,168American Airlines
Wed, Dec 2 - Wed, Dec 9
United Airlines Logo
8:30 am - 7:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
19h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
11:55 pm - 4:50 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
19h 55m1 stop Houston George Bush Intcntl
$1,168United Airlines
Mon, Nov 30 - Thu, Dec 10
United Airlines Logo
8:30 am - 9:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
21h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
10:05 pm - 9:45 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 40m1 stop Houston George Bush Intcntl
$1,168United Airlines
Mon, Nov 30 - Wed, Dec 9
United Airlines Logo
6:15 am - 9:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
24h 05m1 stop Houston George Bush Intcntl
United Airlines Logo
10:05 pm - 9:45 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 40m1 stop Houston George Bush Intcntl
$1,168United Airlines
Sun, Jan 24 - Tue, Feb 2
American Airlines Logo
11:22 am - 7:25 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
17h 03m2 stops Dallas/Fort Worth Miami
American Airlines Logo
11:35 pm - 1:30 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
16h 55m2 stops Miami Charlotte Douglas
$1,172American Airlines
Sun, Jan 24 - Tue, Feb 2
American Airlines Logo
6:08 pm - 10:15 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
13h 07m1 stop Miami
American Airlines Logo
11:35 pm - 1:30 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
16h 55m2 stops Miami Charlotte Douglas
$1,172American Airlines
Sun, Nov 29 - Wed, Dec 9
Delta Logo
7:18 pm - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
35h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:20 am - 12:05 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
19h 45m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$1,207Delta
Sun, Nov 29 - Wed, Dec 9
Delta Logo
7:18 pm - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
35h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:30 pm - 9:01 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 31m1 stop Atlanta Hartsfield-Jackson
$1,207Delta
Tue, Feb 16 - Tue, Feb 23
LATAM Airlines Logo
3:40 pm - 7:35 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
12h 55m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
3:10 pm - 10:48 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
22h 38m2 stops Rio de Janeiro–Galeão Intl Atlanta Hartsfield-Jackson
$1,218LATAM Airlines
Sun, Dec 13 - Fri, Jan 22
LATAM Airlines Logo
2:33 pm - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
16h 07m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
11:35 pm - 10:48 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 13m1 stop Atlanta Hartsfield-Jackson
$1,231LATAM 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 $1,168, on American Airlines.

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.

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

Low season

October

Cheapest flight

$500
Beat the crowds with an average 20% drop in travelers.
The most popular month to fly with an average 33% 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?

    Three cabin classes are available on flights from St. Louis to Buenos Aires Ministro Pistarini Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • 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 $714, which is 20% 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 starting from around $15 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