Argentina

$459+ Cheap flights from Missouri to Argentina

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EZE
Jan 22 — Jan 291
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Cheap flight deals from Missouri to Argentina

Cheapest flights from Missouri to Argentina
Explore the most affordable flight options available from Missouri to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:05 amSTL - EZE
2 stops19h 15mUnited Airlines
Sun 1/411:55 pmEZE - STL
1 stop25h 00mUnited Airlines
Deal found 12/21$1,851
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:05 amSTL - EZE
2 stops20h 15mUnited Airlines
Sun 1/411:55 pmEZE - STL
2 stops41h 35mUnited Airlines
Deal found 12/21$2,033
This FlightHub deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:13 pmSTL - EZE
2 stops28h 52mLATAM Airlines
Sun 1/42:45 pmEZE - STL
2 stops21h 09mLATAM Airlines
Deal found 12/21$2,043
This LATAM Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:52 pmSTL - EZE
1 stop14h 23mDelta
Fri 1/210:15 pmEZE - STL
1 stop21h 44mDelta
Deal found 12/22$2,056
This KAYAK deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:00 amMCI - EZE
2 stops19h 05mLATAM Airlines
Thu 12/254:05 amEZE - MCI
2 stops22h 51mLATAM Airlines
Deal found 12/20$2,098
This American Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:00 amMCI - EZE
1 stop24h 05mAmerican Airlines
Fri 12/2610:10 amEZE - MCI
1 stop17h 44mAmerican Airlines
Deal found 12/20$2,106
This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 amSTL - EZE
1 stop23h 25mAmerican Airlines
Fri 1/210:30 pmEZE - STL
1 stop15h 20mAmerican Airlines
Deal found 12/21$2,168
This Priceline deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:12 pmMCI - AEP
2 stops19h 28mLATAM Airlines
Fri 12/2611:30 amAEP - MCI
2 stops28h 01mLATAM Airlines
Deal found 12/20$2,205
This SmartFares deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:22 pmSTL - EZE
1 stop16h 38mLATAM Airlines
Sun 1/48:55 pmEZE - STL
1 stop14h 59mLATAM Airlines
Deal found 12/21$2,227
This Travelocity deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:47 amSTL - AEP
2 stops29h 53mLATAM Airlines
Sun 1/411:30 amAEP - STL
2 stops24h 24mLATAM Airlines
Deal found 12/21$2,993
This Expedia deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:00 amMCI - EZE
2 stops22h 35mMultiple Airlines
Fri 12/264:45 pmEZE - MCI
3 stops32h 05mMultiple Airlines
Deal found 12/20$3,309
This Expedia deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:35 pmSTL - EZE
3 stops41h 35mMultiple Airlines
Sun 1/43:55 pmEZE - STL
2 stops34h 44mMultiple Airlines
Deal found 12/21$3,457

Find flight deals from Missouri to Argentina

Keep the following information in mind while searching for Missouri to Argentina flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$931
(Mytrip)

One-way from

$459
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,377
Provider with most accurate pricing for Lambert-St Louis-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Buenos Aires (BUE) flights.
From Missouri to Argentina
One-way flight from Missouri to Argentina
Highest demand for flights based on searches. 4% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Argentina that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Missouri to Argentina that are best for you.

Fly from

Missouri

Fly to

Argentina

Route

Depart

Return

Price

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 5/25

10:35 am-11:30 am

2 stops22h 55m

Buenos Aires Ministro Pistarini

Sun 5/31

3:55 am-11:55 pm

2 stops22h 00m

$994

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sun 3/8

12:04 pm-5:00 pm

2 stops26h 56m

Buenos Aires Jorge Newbery

Tue 3/17

11:30 am-9:05 am

2 stops23h 35m

$1,013

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sun 3/8

12:04 pm-7:20 am

1 stop17h 16m

Buenos Aires Ministro Pistarini

Tue 3/17

8:55 pm-5:53 pm

1 stop22h 58m

$1,013

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Tue 2/10

10:44 am-9:00 am

1 stop19h 16m

Buenos Aires Ministro Pistarini

Wed 2/18

8:55 pm-5:06 pm

1 stop23h 11m

$1,018

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Tue 2/10

5:09 pm-4:00 pm

2 stops19h 51m

Buenos Aires Jorge Newbery

Thu 2/26

6:20 pm-12:16 pm

2 stops20h 56m

$1,018

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Tue 2/10

5:09 pm-4:00 pm

2 stops19h 51m

Buenos Aires Jorge Newbery

Mon 2/23

5:15 pm-9:33 am

2 stops19h 18m

$1,018

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 5/25

7:32 am-7:15 am

1 stop21h 43m

Buenos Aires Ministro Pistarini

Mon 6/1

10:30 pm-10:54 am

1 stop14h 24m

$1,026

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Wed 2/11

10:00 am-7:20 am

2 stops18h 20m

Buenos Aires Ministro Pistarini

Mon 2/23

11:55 pm-5:33 pm

2 stops20h 38m

$1,030

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Tue 2/10

10:42 am-10:15 am

2 stops20h 33m

Buenos Aires Ministro Pistarini

Wed 2/18

10:25 pm-5:02 pm

2 stops21h 37m

$1,030

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Wed 2/11

10:00 am-7:20 am

2 stops18h 20m

Buenos Aires Ministro Pistarini

Thu 2/26

10:05 pm-2:24 pm

2 stops19h 19m

$1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 32 results
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Best time to book a flight from Missouri to Argentina

Have a flexible travel schedule? Discover the best time to fly to Argentina from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Argentina

What is the cheapest time of day to fly from MO to AR?

Find hourly flight availability from Missouri to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 33% on flights from Missouri to Argentina by exploring options for tickets at noon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Argentina. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Missouri to Argentina?

    For as low as $1,104, LATAM Airlines can have you in Argentina from Missouri in 18h 37m. Missouri and Argentina are separated by a distance of 5254 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Missouri to Argentina that include hotel bookings?

    Yes. In addition to deals on Missouri to Argentina flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Argentina?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Argentina.

  • Can I find deals for business class flights from Missouri to Argentina?

    Yes. Cheapflights offers flight deals from Missouri to Argentina by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Missouri to Argentina

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Missouri to Argentina

Discover the top airline that operate flights from Missouri to Argentina. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,025Average$1,283FlexibilityNo cancel feeOn-timeN/A

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