$478+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Missouri to Buenos Aires with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 16, 2025.
Round-trip from | $1,030 (United Airlines) |
|---|---|
One-way from | $520 (Avianca Connect) |
Popular in | July |
Cheapest in | October |
Average price | $1,202 |
Find flight deals from Missouri to Buenos Aires
Cheapest flights from Missouri to Buenos AiresExplore 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 June 16, 2025.
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 June 16, 2025.
This Justfly.com deal was found by Cheapflights users on 6/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/16. 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.
This Delta deal was found by Cheapflights users on 6/16. 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.
This United Airlines deal was found by Cheapflights users on 6/14. 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.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
This KAYAK deal was found by Cheapflights users on 6/16. 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.
This KAYAK deal was found by Cheapflights users on 6/15. 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.
This lastminute.com deal was found by Cheapflights users on 6/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This LATAM Airlines deal was found by Cheapflights users on 6/14. 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.
This Mytrip deal was found by Cheapflights users on 6/16. 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.
This American Airlines deal was found by Cheapflights users on 6/15. 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.
This Avianca Connect deal was found by Cheapflights users on 6/14. 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 Avianca Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
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 June 16, 2025.
Use the filters below to find and compare flights from Missouri to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisBuenos Aires
STL - AEP
STLAEP
Lambert-St Louis
Thu 9/4
5:11 pm-2:00 pm
2 stops18h 49m
Buenos Aires Jorge Newbery
Fri 9/12
5:00 pm-6:02 pm
2 stops27h 02m
St. LouisBuenos Aires
STL - EZE
STLEZE
Lambert-St Louis
Thu 9/4
3:42 pm-9:45 am
1 stop16h 03m
Buenos Aires Ministro Pistarini
Fri 9/12
8:10 pm-3:58 pm
1 stop21h 48m
St. LouisBuenos Aires
STL - EZE
STLEZE
Lambert-St Louis
Wed 9/17
10:54 am-9:00 am
2 stops20h 06m
Buenos Aires Ministro Pistarini
Fri 9/26
8:30 pm-11:56 am
2 stops17h 26m
St. LouisBuenos Aires
STL - EZE
STLEZE
Lambert-St Louis
Sat 8/9
7:55 am-12:55 am
2 stops39h 00m
Buenos Aires Ministro Pistarini
Mon 8/25
2:32 pm-6:28 pm
2 stops29h 56m
St. LouisBuenos Aires
STL - EZE
STLEZE
Lambert-St Louis
Thu 9/4
10:25 am-6:10 am
2 stops17h 45m
Buenos Aires Ministro Pistarini
Thu 9/11
3:55 am-11:39 pm
2 stops21h 44m
St. LouisBuenos Aires
STL - EZE
STLEZE
Lambert-St Louis
Wed 9/17
9:15 am-2:30 pm
2 stops27h 15m
Buenos Aires Ministro Pistarini
Thu 9/25
1:40 am-7:38 pm
2 stops19h 58m
Kansas CityBuenos Aires
MCI - AEP
MCIAEP
Kansas City
Thu 7/10
5:24 pm-2:40 pm
2 stops19h 16m
Buenos Aires Jorge Newbery
Wed 7/23
3:40 pm-10:59 am
2 stops21h 19m
Kansas CityBuenos Aires
MCI - EZE
MCIEZE
Kansas City
Fri 7/25
6:30 am-8:00 am
1 stop23h 30m
Buenos Aires Ministro Pistarini
Thu 8/7
9:00 pm-9:31 pm
2 stops26h 31m
Kansas CityBuenos Aires
MCI - EZE
MCIEZE
Kansas City
Thu 7/31
4:23 pm-1:25 pm
2 stops19h 02m
Buenos Aires Ministro Pistarini
Thu 8/7
6:20 am-5:09 pm
3 stops36h 49m
St. LouisBuenos Aires
STL - AEP
STLAEP
Lambert-St Louis
Sat 8/9
3:34 pm-2:20 pm
3 stops44h 46m
Buenos Aires Jorge Newbery
Mon 8/25
5:00 pm-7:45 pm
3 stops28h 45m
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.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Buenos Aires
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 June 16, 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 June 16, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines and Copa 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.
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
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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.
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 June 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,023 | Average$1,273 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,025 | Average$1,391 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,053 | Average$1,198 | FlexibilityNo cancel fee | On-time69% |