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$741+ Cheap flights from Missouri to Buenos Aires (BUE)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUE
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
1 adult, Economy
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Cheap flight deals from Missouri to Buenos Aires

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

Round-trip from

$1,025
(Delta)

One-way from

$741
(Copa Airlines)
From Missouri to Buenos Aires (BUE)
Search Deals
One-way flight from Missouri to Buenos Aires (BUE)
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Find flight deals from Missouri to Buenos Aires

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

This LATAM Airlines deal was found by Cheapflights users on 2/22. 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.
Tue 11/113:30 pmSTL - AEP
2 stops21h 30mLATAM Airlines
Tue 11/253:40 pmAEP - STL
2 stops21h 58mLATAM Airlines
Deal found 2/22$1,025
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:45 pmMCI - EZE
1 stop13h 00mDelta
Mon 5/126:15 amEZE - MCI
2 stops19h 41mDelta
Deal found 2/21$1,025
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1811:51 amSTL - EZE
1 stop18h 09mDelta
Wed 11/268:55 pmEZE - STL
1 stop20h 40mDelta
Deal found 2/21$1,025
This United Airlines deal was found by Cheapflights users on 2/21. 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 5/56:00 amMCI - EZE
2 stops24h 00mUnited Airlines
Mon 5/129:00 pmEZE - MCI
2 stops22h 35mUnited Airlines
Deal found 2/21$1,030
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:27 amSTL - EZE
1 stop22h 33mAmerican Airlines
Tue 11/2511:05 pmEZE - STL
2 stops15h 52mAmerican Airlines
Deal found 2/22$1,030
This SmartFares deal was found by Cheapflights users on 2/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/145:32 pmSTL - EZE
2 stops22h 41mLATAM Airlines
Wed 4/3012:48 pmEZE - STL
2 stops22h 48mLATAM Airlines
Deal found 2/22$1,097
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/144:20 pmSTL - EZE
1 stop13h 40mUnited Airlines
Wed 4/309:00 pmEZE - STL
2 stops20h 47mUnited Airlines
Deal found 2/22$1,105
This Mytrip deal was found by Cheapflights users on 2/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/236:47 pmSTL - AEP
3 stops32h 53mMultiple Airlines
Mon 3/3110:20 amAEP - STL
3 stops33h 32mMultiple Airlines
Deal found 2/22$1,138
This Mytrip deal was found by Cheapflights users on 2/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/236:47 pmSTL - EZE
3 stops33h 28mMultiple Airlines
Mon 3/313:40 pmEZE - STL
3 stops28h 12mMultiple Airlines
Deal found 2/22$1,162
This Priceline deal was found by Cheapflights users on 2/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/74:27 pmMCI - AEP
2 stops37h 13mLATAM Airlines
Mon 4/1410:55 pmAEP - MCI
2 stops27h 04mLATAM Airlines
Deal found 2/21$1,208
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/82:51 pmMCI - EZE
3 stops31h 34mMultiple Airlines
Sun 3/166:15 amEZE - MCI
3 stops35h 29mMultiple Airlines
Deal found 2/21$1,326
This Priceline deal was found by Cheapflights users on 2/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/99:39 amSTL - EZE
3 stops26h 51mAir Canada
Wed 4/164:35 pmEZE - STL
2 stops24h 14mAir Canada
Deal found 2/22$1,408

Find flights from Missouri to Buenos Aires within your budget

Customize your flight search to find flights from Missouri to Buenos Aires 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 February 23, 2025.

Fly from

Missouri

Fly to

Buenos Aires

Route

Depart

Return

Price

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 5/5

6:45 pm-9:45 am

1 stop13h 00m

Buenos Aires Ministro Pistarini

Mon 5/12

6:15 am-11:56 pm

2 stops19h 41m

$1,025

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Mon 5/5

6:00 am-8:00 am

2 stops24h 00m

Buenos Aires Ministro Pistarini

Mon 5/12

9:00 pm-5:35 pm

2 stops22h 35m

$1,030

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 4/14

5:32 pm-6:13 pm

2 stops22h 41m

Buenos Aires Ministro Pistarini

Wed 4/30

12:48 pm-9:36 am

2 stops22h 48m

$1,097

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Mon 4/14

7:01 pm-6:35 pm

2 stops21h 34m

Buenos Aires Jorge Newbery

Wed 4/30

10:35 am-9:36 am

2 stops25h 01m

$1,103

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 4/14

4:20 pm-8:00 am

1 stop13h 40m

Buenos Aires Ministro Pistarini

Wed 4/30

9:00 pm-3:47 pm

2 stops20h 47m

$1,105

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

Sun 3/23

6:47 pm-5:40 am

3 stops32h 53m

Buenos Aires Jorge Newbery

Mon 3/31

10:20 am-5:52 pm

3 stops33h 32m

$1,138

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sun 3/23

6:47 pm-6:15 am

3 stops33h 28m

Buenos Aires Ministro Pistarini

Mon 3/31

3:40 pm-5:52 pm

3 stops28h 12m

$1,162

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

Mon 4/7

4:27 pm-7:40 am

2 stops37h 13m

Buenos Aires Jorge Newbery

Mon 4/14

10:55 pm-11:59 pm

2 stops27h 04m

$1,208

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Fri 2/28

4:40 pm-9:00 am

1 stop13h 20m

Buenos Aires Ministro Pistarini

Sun 3/16

8:55 pm-9:14 am

1 stop14h 19m

$1,245

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

Sat 3/8

2:51 pm-1:25 am

3 stops31h 34m

Buenos Aires Ministro Pistarini

Sun 3/16

6:15 am-3:44 pm

3 stops35h 29m

$1,326

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 20 results
1
2

Best time to book a flight from Missouri to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires 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.

Travel insights for flights from Missouri to Buenos Aires

Get recent, data-driven insights about flights from Missouri to Buenos Aires including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Missouri to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from Missouri to Buenos Aires (average of $795). Flying from Missouri to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Buenos Aires as you normally would.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated February 23, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines and LATAM Airlines from Missouri to Buenos Aires to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines
7.6
Good
1,500 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines
7.5
Good
1,789 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,754 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

GOL
7.3
Good
1,065 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Missouri to Buenos Aires?

    The most popular route from Missouri to Buenos Aires is Kansas City - Buenos Aires Ministro Pistarini. You may also consider Lambert-St Louis - Buenos Aires Jorge Newbery or Lambert-St Louis - Buenos Aires Ministro Pistarini.

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

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

  • How can I find direct flights from Missouri to Buenos Aires?

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

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

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

  • What is the cheapest month to book a flight from Missouri to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Missouri to Buenos Aires (average of $795). Flying from Missouri to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Missouri to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Missouri to Buenos Aires

Discover the top 3 airlines that operate flights from Missouri to Buenos Aires. 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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$814Average$1,188FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$999Average$1,258FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,023Average$1,249FlexibilityNo cancel feeOn-timeN/A
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