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Kansai Intl

$381+ Cheap flights from Missouri to Kansai Intl (KIX)

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KIX
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Find flight deals from Missouri to Kansai Intl

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

This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 12/45:30 pmSTL - KIX
1 stop32h 10mUnited Airlines
Wed 12/176:35 pmKIX - STL
1 stop18h 54mUnited Airlines
Deal found 10/20$845
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 12/56:55 amSTL - KIX
1 stop20h 55mAmerican Airlines
Fri 12/125:50 pmKIX - STL
1 stop21h 07mAmerican Airlines
Deal found 10/21$897
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 12/55:27 pmSTL - KIX
2 stops56h 13mUnited Airlines
Fri 12/126:35 pmKIX - STL
3 stops36h 05mUnited Airlines
Deal found 10/21$917
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 12/68:30 amSTL - KIX
2 stops41h 10mUnited Airlines
Sat 12/136:35 pmKIX - STL
3 stops36h 05mUnited Airlines
Deal found 10/22$928
This FlightHub deal was found by Cheapflights users on 10/23. 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 12/88:00 amSTL - KIX
2 stops23h 20mANA
Sat 12/202:05 pmKIX - STL
2 stops20h 13mANA
Deal found 10/23$949
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 11/24:35 pmSTL - KIX
2 stops33h 05mUnited Airlines
Thu 11/66:35 pmKIX - STL
2 stops18h 47mUnited Airlines
Deal found 10/22$952
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Mon 12/86:55 amSTL - KIX
1 stop20h 55mAmerican Airlines
Sat 12/205:50 pmKIX - STL
1 stop21h 01mAmerican Airlines
Deal found 10/22$958
This Gurufare deal was found by Cheapflights users on 10/22. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:22 pmSTL - KIX
2 stops26h 03mJapan Airlines
Sat 12/209:05 pmKIX - STL
2 stops34h 41mJapan Airlines
Deal found 10/22$959
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 12/57:30 amMCI - KIX
1 stop18h 10mUnited Airlines
Fri 12/128:20 amKIX - MCI
2 stops23h 18mUnited Airlines
Deal found 10/21$1,082
This FlightHub deal was found by Cheapflights users on 10/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:05 amMCI - KIX
2 stops39h 15mChina Eastern
Fri 11/289:20 amKIX - MCI
2 stops29h 17mChina Eastern
Deal found 10/22$1,100
This Ovago deal was found by Cheapflights users on 10/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:36 amMCI - KIX
2 stops29h 59mANA
Wed 11/267:05 amKIX - MCI
2 stops22h 16mANA
Deal found 10/22$1,136
This China Eastern deal was found by Cheapflights users on 10/22. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:05 amMCI - KIX
2 stops42h 25mChina Eastern
Thu 11/137:00 pmKIX - MCI
2 stops43h 37mChina Eastern
Deal found 10/22$1,189

Cheap flight deals from Missouri to Kansai Intl

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$727
(Gurufare)

One-way from

$381
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,212
Provider with most accurate pricing for Lambert-St Louis-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Osaka (OSA) flights.
Search Deals
From Missouri to Osaka Kansai Intl
Search Deals
One-way flight from Missouri to Osaka Kansai Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Kansai Intl 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 October 23, 2025.
Use the filters below to find and compare flights from Missouri to Osaka Kansai Intl Airport that are best for you.

Fly from

Missouri

Fly to

Kansai Intl

Route

Depart

Return

Price

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 2/3

11:20 am-8:35 am

2 stops30h 15m

Osaka Kansai Intl

Thu 2/19

2:05 pm-7:19 pm

2 stops20h 14m

$727

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Thu 2/12

6:10 am-6:50 pm

1 stop21h 40m

Osaka Kansai Intl

Sat 2/28

7:00 am-11:10 am

2 stops19h 10m

$831

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Thu 12/4

5:30 pm-4:40 pm

1 stop32h 10m

Osaka Kansai Intl

Wed 12/17

6:35 pm-8:57 pm

2 stops17h 22m

$845

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/15

6:10 am-6:50 pm

1 stop21h 40m

Osaka Kansai Intl

Sat 2/28

5:50 pm-11:08 pm

1 stop20h 18m

$851

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 12/7

6:55 am-6:50 pm

1 stop20h 55m

Osaka Kansai Intl

Sun 12/14

5:50 pm-11:57 pm

1 stop21h 07m

$897

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Fri 12/5

6:55 am-6:50 pm

1 stop20h 55m

Osaka Kansai Intl

Fri 12/12

5:50 pm-11:06 pm

2 stops20h 16m

$901

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 12/6

8:30 am-4:40 pm

2 stops41h 10m

Osaka Kansai Intl

Sat 12/13

6:35 pm-3:40 pm

3 stops36h 05m

$928

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Fri 12/5

6:00 am-4:40 pm

2 stops19h 40m

Osaka Kansai Intl

Fri 12/12

6:35 pm-10:30 pm

2 stops18h 55m

$1,084

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Fri 11/21

7:05 am-1:20 pm

2 stops39h 15m

Osaka Kansai Intl

Fri 11/28

9:20 am-11:37 pm

2 stops29h 17m

$1,100

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Wed 11/19

11:36 am-8:35 am

2 stops29h 59m

Osaka Kansai Intl

Wed 11/26

7:05 am-2:21 pm

2 stops22h 16m

$1,136

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 34 results
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Best time to book a flight from Missouri to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl 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 Osaka Kansai Intl Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Kansai Intl. 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 Osaka Kansai Intl Airport?

    Airlines like ANA, Japan Airlines, and United Airlines fly from Missouri to Osaka Kansai Intl Airport in about 21h 40m. The time it takes to get you to your destination can typically vary by up to 10h 30m. The distance between Missouri and Osaka Kansai Intl Airport is about 6595 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Missouri to Osaka Kansai Intl Airport one-way?

    For one-way options, check prices for ANA. According to our data, you can fly for as low as $381. Users have also found prices from $399 and $437 on United Airlines and American Airlines, respectively.

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

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

  • How can I find direct flights from Missouri to Kansai Intl?

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

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

    Yes. Cheapflights offers flight deals from Missouri to Kansai Intl 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

Traveling to a place near Osaka Kansai Intl Airport?

Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locations
Nara
Izumisano
Nishinomiya
Himeji

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Alternative routes for Missouri to Kansai Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Columbus to Kobe flights
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Top airline flying from Missouri to Kansai Intl

Discover the top airline that operate flights from Missouri to Kansai Intl. 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$723Average$813FlexibilityNo cancel feeOn-time79%

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