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Kansai Intl

$438+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KIX
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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 2/236:55 pm
STL
-
KIX
2 stops30h 45m
United Airlines
Tue 3/106:35 pm
KIX
-
STL
2 stops18h 59m
United Airlines
Deal found 2/2$755
This Air Canada deal was found by Cheapflights users on 2/4. 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.
Tue 9/1512:10 pm
STL
-
KIX
2 stops38h 15m
Air Canada
Tue 9/226:00 pm
KIX
-
STL
2 stops38h 41m
Air Canada
Deal found 2/4$765
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Tue 2/36:30 am
STL
-
KIX
2 stops24h 20m
ANA
Thu 2/197:05 am
KIX
-
STL
2 stops18h 31m
ANA
Deal found 2/2$780
This Air Canada deal was found by Cheapflights users on 2/4. 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.
Sun 4/264:05 pm
STL
-
KIX
2 stops34h 20m
Air Canada
Sat 5/26:00 pm
KIX
-
STL
2 stops40h 05m
Air Canada
Deal found 2/4$806
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Tue 11/2410:23 am
STL
-
KIX
2 stops40h 17m
Air Canada
Thu 12/173:45 pm
KIX
-
STL
2 stops38h 45m
Air Canada
Deal found 2/3$837
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 9/157:00 am
MCI
-
KIX
1 stop17h 50m
United Airlines
Tue 9/224:55 pm
KIX
-
MCI
2 stops20h 42m
United Airlines
Deal found 2/1$842
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 10/277:00 am
MCI
-
KIX
1 stop19h 40m
United Airlines
Tue 11/38:20 am
KIX
-
MCI
3 stops30h 17m
United Airlines
Deal found 2/1$845
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 3/45:54 am
MCI
-
KIX
2 stops19h 46m
United Airlines
Wed 3/116:35 pm
KIX
-
MCI
2 stops18h 40m
United Airlines
Deal found 2/2$847
This United Airlines deal was found by Cheapflights users on 2/2. 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 8/226:49 pm
STL
-
KIX
2 stops30h 01m
United Airlines
Sat 9/54:55 pm
KIX
-
STL
2 stops29h 42m
United Airlines
Deal found 2/2$856
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Sat 4/255:17 pm
MCI
-
KIX
2 stops33h 08m
Air Canada
Sat 5/96:00 pm
KIX
-
MCI
2 stops19h 52m
Air Canada
Deal found 2/2$864
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Sat 8/2212:10 pm
STL
-
KIX
2 stops38h 15m
Air Canada
Sat 9/56:00 pm
KIX
-
STL
2 stops34h 02m
Air Canada
Deal found 2/3$869
This FlightHub deal was found by Cheapflights users on 2/5. 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.
Wed 10/149:29 am
MCI
-
KIX
2 stops22h 31m
Japan Airlines
Thu 10/226:45 am
KIX
-
MCI
2 stops27h 32m
Japan Airlines
Deal found 2/5$874

Find 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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$755
(United Airlines)

One-way from

$438
(FlightHub)

Popular in

May

Cheapest in

February

Average price

$857
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. 17% potential increase in price ($253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 5, 2026.
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

Mon 2/23

5:25 pm-4:40 pm

1 stop32h 15m

Osaka Kansai Intl

Tue 3/10

6:35 pm-10:25 pm

1 stop17h 50m

$755

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 4/26

4:05 pm-4:25 pm

2 stops34h 20m

Osaka Kansai Intl

Sat 5/2

6:00 pm-8:05 pm

2 stops40h 05m

$806

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Wed 3/4

5:54 am-4:40 pm

2 stops19h 46m

Osaka Kansai Intl

Wed 3/11

6:35 pm-11:15 pm

2 stops18h 40m

$847

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/15

6:55 pm-4:40 pm

2 stops54h 45m

Osaka Kansai Intl

Sat 2/28

6:35 pm-10:36 am

2 stops31h 01m

$891

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Sat 4/25

5:17 pm-2:50 pm

2 stops31h 33m

Osaka Kansai Intl

Sat 5/9

4:55 pm-10:30 pm

1 stop19h 35m

$892

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/15

7:00 am-10:20 pm

2 stops24h 20m

Osaka Kansai Intl

Sat 2/28

5:50 pm-11:59 pm

1 stop21h 09m

$935

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Wed 4/15

2:23 pm-12:15 pm

2 stops31h 52m

Osaka Kansai Intl

Mon 4/20

3:10 pm-11:59 pm

2 stops22h 49m

$992

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Thu 2/19

5:54 am-4:40 pm

2 stops19h 46m

Osaka Kansai Intl

Wed 2/25

8:20 am-9:59 pm

3 stops52h 39m

$1,055

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Thu 7/9

11:25 am-2:50 pm

3 stops37h 25m

Osaka Kansai Intl

Tue 7/21

4:55 pm-3:45 pm

2 stops36h 50m

$1,068

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Fri 7/10

6:36 pm-2:50 pm

2 stops30h 14m

Osaka Kansai Intl

Mon 7/20

4:55 pm-11:27 pm

2 stops20h 32m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 23 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 United Airlines, Air Canada, and STARLUX Airlines fly from Missouri to Osaka Kansai Intl Airport in about 31h 52m. The time it takes to get you to your destination can typically vary by up to 2h 28m. The distance between Missouri and Osaka Kansai Intl Airport is about 6422 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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
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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