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$735+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUE
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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Cheap flight deals from Missouri to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Missouri (USMO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Round-trip from

$1,025
(Delta)

One-way from

$735
(United Airlines)
From Missouri to Buenos Aires (BUE)
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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 enero 21, 2025.

This LATAM Airlines deal was found by Cheapflights users on 1/20. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/87:05 pmSTL - AEP
2 stops18h 55mLATAM Airlines
mié. 10/158:10 pmAEP - STL
2 stops29h 29mLATAM Airlines
Deal found 1/20$1,025
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/115:30 pmMCI - EZE
1 stop13h 30mDelta
lun. 3/173:55 amEZE - MCI
2 stops22h 09mDelta
Deal found 1/20$1,025
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/811:51 amSTL - EZE
2 stops16h 04mDelta
jue. 10/168:10 pmEZE - STL
1 stop20h 25mDelta
Deal found 1/20$1,025
This United deal was found by Cheapflights users on 1/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/156:45 pmMCI - EZE
2 stops35h 15mUnited Airlines
mar. 4/229:00 pmEZE - MCI
2 stops27h 00mUnited Airlines
Deal found 1/21$1,030
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/34:17 pmSTL - EZE
1 stop14h 03mUnited Airlines
mié. 11/1210:05 pmEZE - STL
2 stops19h 13mUnited Airlines
Deal found 1/20$1,030
This American Airlines deal was found by Cheapflights users on 1/21. 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.
sáb. 9/612:25 pmMCI - EZE
2 stops18h 35mAmerican Airlines
dom. 9/1410:00 pmEZE - MCI
1 stop27h 27mAmerican Airlines
Deal found 1/21$1,123
This Mytrip deal was found by Cheapflights users on 1/19. 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.
jue. 5/16:38 pmMCI - AEP
3 stops33h 02mMultiple Airlines
vie. 5/162:30 pmAEP - MCI
3 stops32h 56mMultiple Airlines
Deal found 1/19$1,125
This KAYAK deal was found by Cheapflights users on 1/20. 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.
mié. 3/122:27 pmMCI - AEP
2 stops17h 13mLATAM Airlines
dom. 3/168:00 pmAEP - MCI
2 stops18h 19mLATAM Airlines
Deal found 1/20$1,155
This KAYAK deal was found by Cheapflights users on 1/20. 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.
sáb. 10/117:05 pmSTL - EZE
2 stops29h 25mLATAM Airlines
sáb. 10/187:40 amEZE - STL
2 stops17h 59mLATAM Airlines
Deal found 1/20$1,179
This American Airlines deal was found by Cheapflights users on 1/21. 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.
dom. 6/12:03 pmSTL - EZE
2 stops16h 57mAmerican Airlines
lun. 6/308:30 pmEZE - STL
2 stops20h 56mAmerican Airlines
Deal found 1/21$1,238
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/34:17 pmSTL - EZE
1 stop14h 03mMultiple Airlines
mar. 11/111:45 amEZE - STL
2 stops17h 50mMultiple Airlines
Deal found 1/20$1,256
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/141:30 pmSTL - EZE
3 stops47h 00mAir Canada
lun. 10/204:35 pmEZE - STL
2 stops24h 41mAir Canada
Deal found 1/20$1,333

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

mar. 3/11

5:30 pm-9:00 am

1 stop13h 30m

Buenos Aires Ministro Pistarini

lun. 3/17

3:55 am-12:04 am

2 stops22h 09m

$1,025

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

mar. 4/15

6:45 pm-8:00 am

2 stops35h 15m

Buenos Aires Ministro Pistarini

mar. 4/22

9:00 pm-10:00 pm

2 stops27h 00m

$1,030

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

dom. 6/1

5:40 pm-9:30 pm

2 stops25h 50m

Buenos Aires Jorge Newbery

lun. 6/30

8:40 am-10:38 am

2 stops27h 58m

$1,065

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

jue. 5/1

6:38 pm-5:40 am

3 stops33h 02m

Buenos Aires Jorge Newbery

vie. 5/16

2:30 pm-9:26 pm

3 stops32h 56m

$1,125

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

dom. 4/20

5:35 pm-8:00 am

2 stops36h 25m

Buenos Aires Ministro Pistarini

vie. 4/25

9:00 pm-9:56 am

1 stop14h 56m

$1,126

Kansas CityBuenos Aires

MCI - AEP

MCIAEP

Kansas City

mié. 3/12

2:27 pm-9:40 am

2 stops17h 13m

Buenos Aires Jorge Newbery

dom. 3/16

8:00 pm-12:19 pm

2 stops18h 19m

$1,155

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

dom. 4/20

1:00 pm-9:45 am

1 stop18h 45m

Buenos Aires Ministro Pistarini

vie. 4/25

8:10 pm-3:07 pm

1 stop20h 57m

$1,161

Kansas CityBuenos Aires

MCI - EZE

MCIEZE

Kansas City

jue. 3/27

5:15 pm-9:30 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

lun. 3/31

8:30 pm-10:53 pm

1 stop28h 23m

$1,258

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

jue. 2/6

2:00 pm-10:03 pm

2 stops29h 03m

Buenos Aires Ministro Pistarini

jue. 2/20

7:35 am-11:37 pm

2 stops19h 02m

$1,298

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

jue. 3/6

5:01 am-6:59 am

1 stop22h 58m

Buenos Aires Ministro Pistarini

jue. 3/13

8:30 pm-4:12 pm

1 stop21h 42m

$1,300

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 27 results
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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 enero 21, 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 enero 21, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Air Canada 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
8,521 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

Copa Airlines
7.7
Good
1,662 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

LATAM Airlines
7.5
Good
1,858 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

GOL
7.3
Good
1,091 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 10

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 cheapest airlines to fly from Missouri to Buenos Aires one-way?

    $735 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $758 and $833, respectively.

  • 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 Ministro Pistarini or Lambert-St Louis - Buenos Aires Jorge Newbery.

  • 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$814Average$1,188FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$999Average$1,258FlexibilityNo cancel feeOn-time71%
DeltaCheapest$999Average$1,203FlexibilityNo cancel feeOn-timeN/A
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