STL - EZE

$516 Find Cheap Flights from St. Louis to Buenos Aires - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,289
Typical prices: $1,224-$1,596
LATAM Airlines
Thu 1/4Sat 1/20
STL - EZE • 1 stop
Cheapest one-way
$516
Typical prices: $756-$1,018
Multiple Airlines
Fri 11/30
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, Jan 4 - Wed, Jan 20
LATAM Airlines Logo
12:01 pm - 7:35 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
16h 34m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
11:35 pm - 11:04 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 29m1 stop Atlanta Hartsfield-Jackson
$1,289LATAM Airlines
Mon, Jan 4 - Wed, Jan 20
LATAM Airlines Logo
5:41 pm - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
12h 59m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
8:05 pm - 11:26 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
30h 21m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$1,294LATAM Airlines
Thu, Mar 11 - Mon, Mar 22
Delta Logo
7:20 am - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
23h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:35 pm - 2:43 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
17h 08m1 stop Atlanta Hartsfield-Jackson
$1,318Delta
Thu, Mar 11 - Mon, Mar 22
Delta Logo
7:20 am - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
23h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:00 pm - 2:43 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
23h 43m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$1,318Delta
Thu, Mar 11 - Tue, Mar 23
American Airlines Logo
12:21 pm - 9:10 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
17h 49m1 stop Miami
American Airlines Logo
10:30 pm - 11:18 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 48m1 stop Dallas/Fort Worth
$1,318American Airlines
Wed, Mar 10 - Sun, Mar 21
American Airlines Logo
5:03 am - 8:30 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
24h 27m1 stop Dallas/Fort Worth
American Airlines Logo
10:40 pm - 11:31 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 51m1 stop Miami
$1,318American Airlines
Thu, Mar 11 - Tue, Mar 23
LATAM Airlines Logo
9:00 am - 4:00 pmSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
28h 00m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
12:50 pm - 2:43 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
27h 53m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson
$1,318LATAM Airlines
Thu, Mar 11 - Wed, Mar 24
LATAM Airlines Logo
9:00 am - 4:00 pmSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
28h 00m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
11:35 pm - 6:01 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
20h 26m1 stop Atlanta Hartsfield-Jackson
$1,318LATAM Airlines
Thu, Mar 11 - Wed, Mar 24
Delta Logo
7:20 am - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
23h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:35 pm - 8:49 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
23h 14m1 stop Atlanta Hartsfield-Jackson
$1,318Delta
Sun, Jan 17 - Tue, Feb 2
American Airlines Logo
3:45 pm - 8:30 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
13h 45m1 stop Dallas/Fort Worth
American Airlines Logo
10:20 pm - 4:20 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
21h 00m1 stop Dallas/Fort Worth
$1,318American 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 $1,224 to $1,596. The lowest price found in the past 5 days was $1,289, on LATAM 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 6% cheaper than the average day, while Friday is the most expensive, with prices 18% higher.

What’s the cheapest month to fly from St. Louis to Buenos Aires Ministro Pistarini Airport?

•June is the cheapest month to fly from St. Louis to Buenos Aires Ministro Pistarini Airport at $1,109 round-trip.
•October ($1,596) and January ($1,595) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 43% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

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

Low season

October

Cheapest flight

$516
Beat the crowds with an average 71% drop in travelers.
The most popular month to fly with an average 105% 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 $1,224 to $1,596, with an average of $1,321 over the past 12 months. Anything below $1,224 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 higher than usual. Average one-way flight prices are about $955, which is 8% above 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 $67 for economy cars. Top options include:

    • Hertz
    • Street Rent a Car
    • Rentacar
    • 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) - 75% of one-stop connections
    • Miami (MIA) - 14% of one-stop connections
    • Dallas/Fort Worth (DFW) - 7% 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 21% on flights from St. Louis to Buenos Aires Ministro Pistarini Airport. Wednesday is the cheapest departure day at $1,248 round-trip on average, while Friday is the most expensive at $1,563, a difference of $315.

    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 35m 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 3 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 Friday. On this route, Wednesday flights average $1,248, about $315 less than Friday fares (20% 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 $487 less than the most expensive month, which is October (based on the last 12 months).

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

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