How does KAYAK find such low prices on flights from Missouri to Buenos Aires?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Buenos Aires. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Buenos Aires?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from Missouri is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Missouri to Buenos Aires?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buenos Aires with an airline and back to Missouri with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Buenos Aires?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$356 CHEAP FLIGHTS from Missouri to Buenos Aires

KAYAK searches hundreds of travel sites at once for deals on flights to Buenos Aires

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$986

Avianca

Sat 11/15Sat 11/22

STL - EZE • 2 stops

Cheapest one-way

$356

Multiple Airlines

Sun 11/2

STL - AEP • 3 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Buenos Aires!

Flight Deals

Cheap Flights from Missouri to Buenos Aires

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Buenos Aires that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Round-trip

One-way

Recent round-trip flight deals from Missouri to Buenos Aires

Sat, Nov 15 - Sat, Nov 22

8:25 am - 5:50 amSTL-EZE

42h 25m2 stops

7:35 am - 10:07 amEZE-STL

29h 32m2 stops

$986Avianca

Find Deal

Mon, Dec 1 - Tue, Dec 9

12:18 pm - 9:00 amMCI-EZE

17h 42m1 stop

10:25 pm - 4:50 pmEZE-MCI

21h 25m1 stop

$1,025Delta

Find Deal

Mon, Dec 1 - Mon, Dec 8

10:20 am - 6:20 amMCI-EZE

17h 00m2 stops

4:05 am - 10:43 pmEZE-MCI

21h 38m2 stops

$1,035LATAM Airlines

Find Deal

Sun, Feb 22 - Sun, Mar 1

4:15 pm - 9:35 amMCI-EZE

38h 20m2 stops

7:43 pm - 4:03 pmEZE-MCI

47h 20m3 stops

$1,055Multiple Airlines

Find Deal

Sun, Mar 8 - Tue, Mar 17

7:05 pm - 2:00 pmSTL-AEP

16h 55m2 stops

5:15 pm - 10:50 amAEP-STL

19h 35m2 stops

$1,065LATAM Airlines

Find Deal

Sat, Dec 6 - Fri, Dec 12

2:48 pm - 2:50 amSTL-EZE

33h 02m3 stops

4:05 am - 11:01 amEZE-STL

33h 56m3 stops

$1,084Multiple Airlines

Find Deal

Tue, Nov 18 - Wed, Nov 26

9:36 am - 8:10 amSTL-EZE

19h 34m1 stop

10:25 pm - 12:37 pmEZE-STL

17h 12m1 stop

$1,100American Airlines

Find Deal

Tue, Nov 18 - Wed, Nov 26

7:00 am - 8:10 amSTL-EZE

22h 10m1 stop

11:59 pm - 5:49 pmEZE-STL

20h 50m1 stop

$1,101American Airlines

Find Deal

Sun, Dec 14 - Sat, Dec 27

8:08 am - 9:20 amMCI-EZE

22h 12m1 stop

11:55 pm - 10:36 amEZE-MCI

13h 41m1 stop

$1,106United Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

4:45 pm - 9:20 amSTL-EZE

13h 35m1 stop

10:05 pm - 10:04 amEZE-STL

14h 59m1 stop

$1,106United Airlines

Find Deal

Useful Info

How does KAYAK find such low prices on flights from Missouri to Buenos Aires?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Buenos Aires.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Buenos Aires?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Buenos Aires?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buenos Aires with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Buenos Aires?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Buenos Aires

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Cabin class types available on flights to Missouri

First Class flights to Buenos Aires

Business Class flights to Buenos Aires

Prem Econ Class flights to Buenos Aires

Economy Class flights to Buenos Aires

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$356 Find Cheap Flights from Missouri to Buenos Aires

KAYAK searches hundreds of travel sites at once for deals on flights to Buenos Aires

Everything you should know

Cheap Flights from Missouri to Buenos Aires

Recent round-trip flight deals from Missouri to Buenos Aires

Recent one-way flight deals from Missouri to Buenos Aires

FAQs for booking flights from Missouri to Buenos Aires

How does KAYAK find such low prices on flights from Missouri to Buenos Aires?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Buenos Aires.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Buenos Aires?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Buenos Aires?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buenos Aires with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Buenos Aires?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Buenos Aires

Cabin class types available on flights to Missouri

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

Find direct flights for Buenos Aires

Flights to other popular destinations

Flights from domestic origins to Buenos Aires

Choose which airport to fly into in Buenos Aires