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STL - EZE

$558 Find Cheap Flights from St. Louis to Buenos Aires - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,049
Typical prices: $1,184-$1,535
Multiple Airlines
Tue 11/13Tue 11/20
STL - EZE • 3 stops
Cheapest one-way
$558
Typical prices: $756-$1,042
Copa Airlines
Fri 12/7
STL - EZE • 2 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
February
Cheapest • 20% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $1,315 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 14h 03m (one-way)
Insights
Insights
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We hope you love your trip to Buenos Aires Ministro Pistarini Airport!
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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

Fri, Nov 13 - Fri, Nov 20
Multiple Airlines Logo
6:44 pm - 4:00 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
30h 16m3 stops Atlanta Hartsfield-Jackson Miami Punta Cana
Multiple Airlines Logo
2:40 pm - 11:59 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
36h 19m3 stops Miami Atlanta Hartsfield-Jackson Orlando
$1,049Multiple Airlines
Sun, Jan 24 - Tue, Feb 2
LATAM Airlines Logo
6:59 pm - 10:55 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
36h 56m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
LATAM Airlines Logo
11:35 pm - 10:48 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 13m1 stop Atlanta Hartsfield-Jackson
$1,160LATAM Airlines
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
$1,165American Airlines
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
Sun, Jan 24 - Tue, Feb 2
United Airlines Logo
5:28 pm - 7:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
34h 52m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
10:05 pm - 4:13 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
21h 08m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$1,172United Airlines
Thu, Dec 10 - Sat, Dec 19
LATAM Airlines Logo
12:36 pm - 6:35 pmSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
26h 59m2 stops Atlanta Hartsfield-Jackson Santiago Arturo Merino Benitez
LATAM Airlines Logo
12:50 pm - 4:28 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
30h 38m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson
$1,208LATAM Airlines
Thu, Dec 10 - Sat, Dec 19
LATAM Airlines Logo
6:00 am - 7:35 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
22h 35m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
12:50 pm - 4:28 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
30h 38m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson
$1,208LATAM Airlines
Sun, Feb 21 - Sat, Mar 6
United Airlines Logo
7:04 pm - 7:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
33h 16m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
11:55 pm - 3:41 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
18h 46m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$1,212United Airlines
Sun, Feb 21 - Sat, Mar 6
Delta Logo
6:00 am - 7:35 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
22h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:35 pm - 2:43 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
18h 08m1 stop Atlanta Hartsfield-Jackson
$1,248Delta
Thu, Dec 3 - Mon, Dec 7
Delta Logo
12:36 pm - 9:50 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
18h 14m2 stops Atlanta Hartsfield-Jackson Miami
Delta Logo
8:05 pm - 1:28 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
20h 23m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$1,302Delta
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.

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 12% cheaper than the average day, while Monday is the most expensive, with prices 18% higher.

Find deals

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

Low season

October

Cheapest flight

$558
Beat the crowds with an average 16% drop 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 $1,184 to $1,535, with an average of $1,291 over the past 12 months. Anything below $1,184 counts as a good deal.

  • Have flight prices from St. Louis to Buenos Aires Ministro Pistarini Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,049 to $6,089. That means the highest observed fare was about 6x higher than the lowest one.

  • 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 $723, which is 19% 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) - 10% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 6% of one-stop connections
    • Dallas/Fort Worth (DFW) - 5% 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 26% on flights from St. Louis to Buenos Aires Ministro Pistarini Airport. Wednesday is the cheapest departure day at $1,147 round-trip on average, while Monday is the most expensive at $1,530, a difference of $383.

    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 03m, compared with 14h 56m via Miami (MIA) and 15h 51m via Houston George Bush Intcntl (IAH).

  • 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 Monday. On this route, Wednesday flights average $1,147, about $383 less than Monday 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 February. Fares historically average $1,037 round-trip in that month - typically $558 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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