STL - EZE

$382 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
$1,133
Typical prices: $1,184-$1,535
LATAM Airlines
Sun 12/2Mon 12/17
STL - EZE • 1 stop
Cheapest one-way
$376
Typical prices: $756-$1,042
Multiple Airlines
Sun 11/4
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
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 $1,237 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 14h 20m (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

Wed, Dec 2 - Thu, Dec 17
LATAM Airlines Logo
5:37 pm - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
13h 03m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
9:30 pm - 11:15 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
16h 45m1 stop Atlanta Hartsfield-Jackson
$1,133LATAM Airlines
Mon, Dec 7 - Thu, Mar 4
LATAM Airlines Logo
10:00 am - 9:50 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
20h 50m2 stops Atlanta Hartsfield-Jackson Miami
LATAM Airlines Logo
11:35 pm - 6:01 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
21h 26m1 stop Atlanta Hartsfield-Jackson
$1,143LATAM Airlines
Wed, Dec 2 - Thu, Dec 17
Delta Logo
10:00 am - 6:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
17h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
5:00 pm - 11:15 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
21h 15m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$1,148Delta
Thu, Jan 14 - Thu, Jan 28
Delta Logo
7:20 am - 6:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
20h 00m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
3:10 pm - 8:12 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
20h 02m2 stops Rio de Janeiro–Galeão Intl Atlanta Hartsfield-Jackson
$1,148Delta
Wed, Dec 2 - Thu, Dec 17
American Airlines Logo
2:54 pm - 8:30 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
14h 36m1 stop Dallas/Fort Worth
American Airlines Logo
10:50 pm - 5:49 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
21h 59m1 stop Miami
$1,148American Airlines
Wed, Dec 2 - Thu, Dec 17
American Airlines Logo
5:00 pm - 9:10 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
13h 10m1 stop Miami
American Airlines Logo
9:40 pm - 11:33 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
16h 53m1 stop Miami
$1,148American Airlines
Wed, Dec 2 - Thu, Dec 17
LATAM Airlines Logo
12:20 pm - 7:35 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
16h 15m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
5:00 pm - 8:53 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
18h 53m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$1,148LATAM Airlines
Mon, Dec 7 - Thu, Mar 4
American Airlines Logo
6:15 pm - 10:15 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
13h 00m1 stop Miami
American Airlines Logo
10:30 pm - 7:41 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
24h 11m1 stop Dallas/Fort Worth
$1,148American Airlines
Mon, Oct 19 - Tue, Nov 3
Multiple Airlines Logo
2:40 pm - 1:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
32h 40m3 stops Toronto Pearson Intl Cancun Medellín Jose Maria Cordova Intl
Multiple Airlines Logo
11:00 am - 3:26 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
31h 26m2 stops Punta Cana Toronto Pearson Intl
$1,177Multiple Airlines
Mon, Sep 14 - Tue, Oct 13
United Airlines Logo
3:13 pm - 8:00 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
14h 47m1 stop Houston George Bush Intcntl
United Airlines Logo
9:00 pm - 2:10 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
19h 10m1 stop Houston George Bush Intcntl
$1,188United 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 from St. Louis to Buenos Aires Ministro Pistarini Airport 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 start at $1,133. Prices are below average for this route right now, with typical round-trip fares ranging from $1,184 to $1,535. The lowest price found in the past 5 days was $1,133 on LATAM Airlines.

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

Wednesday is the cheapest day of the week to fly from St. Louis to Buenos Aires Ministro Pistarini Airport, it is 12% cheaper than the average day. Monday is the most expensive day with flight prices 18% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

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

Low season

October

Cheapest flight

$376
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 24% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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) - 80% of one-stop connections
    • Miami (MIA) - 10% of one-stop connections
    • Dallas/Fort Worth (DFW) - 7% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 3% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 26% on the St. Louis to Buenos Aires Ministro Pistarini Airport route. 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.

  • 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 Microcentro. These are among the most viewed places in Buenos Aires Ministro Pistarini Airport on KAYAK.

  • 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 0h 00m, covering 5,472 miles.

  • What are the earliest and latest flights from St. Louis to Buenos Aires Ministro Pistarini Airport?

    These are the earliest and latest flight times available from St. Louis to Buenos Aires Ministro Pistarini Airport:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • 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 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 $643, which is 28% below the typical average for this route.

  • 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 20m, compared with 14h 28m via Dallas/Fort Worth (DFW) and 15h 36m via Miami (MIA).

  • 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 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

  • 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.

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 can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $1,147 - about $383 less than Monday (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).

Everything you need to know for your flight from St. Louis to Buenos Aires

Information on your arrival and departure airports

St. Louis (STL)
Ministro Pistarini (EZE)