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Osaka

$360+ Cheap flights from Missouri to Osaka (OSA)

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 — OSA
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Missouri to Osaka

Cheapest flights from Missouri to Osaka
Explore the most affordable flight options available from Missouri to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This United Airlines deal was found by Cheapflights users on 10/31. 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 stops31h 04mUnited Airlines
Deal found 10/31$793
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Mon 12/86:42 pmSTL - KIX
2 stops30h 58mUnited Airlines
Sat 12/206:35 pmKIX - STL
2 stops33h 45mUnited Airlines
Deal found 11/1$816
This Japan Airlines deal was found by Cheapflights users on 11/1. 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 Japan 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 55mJapan Airlines
Fri 12/129:05 pmKIX - STL
2 stops31h 24mJapan Airlines
Deal found 11/1$933
This American Airlines deal was found by Cheapflights users on 11/2. 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 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 11/2$957
This Japan Airlines deal was found by Cheapflights users on 10/31. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:23 pmSTL - ITM
2 stops27h 22mJapan Airlines
Thu 11/64:45 pmITM - STL
2 stops35h 55mJapan Airlines
Deal found 10/31$961
This Japan Airlines deal was found by Cheapflights users on 11/1. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/82:17 pmSTL - ITM
2 stops38h 33mJapan Airlines
Tue 11/118:05 pmITM - STL
2 stops32h 00mJapan Airlines
Deal found 11/1$967
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Sun 11/307:00 amMCI - ITM
2 stops21h 20mJapan Airlines
Sun 12/77:25 amITM - MCI
2 stops18h 41mJapan Airlines
Deal found 11/2$1,079
This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:58 amMCI - UKB
2 stops31h 02mANA
Sun 12/79:15 pmUKB - MCI
2 stops52h 24mANA
Deal found 11/2$1,091
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 11/306:43 pmMCI - ITM
2 stops56h 27mUnited Airlines
Sun 12/71:00 pmITM - MCI
3 stops47h 58mUnited Airlines
Deal found 11/2$1,201
This Ovago deal was found by Cheapflights users on 10/31. 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.
Sun 11/97:00 amSTL - ITM
2 stops33h 40mJapan Airlines
Sun 11/163:30 pmITM - STL
2 stops37h 10mJapan Airlines
Deal found 10/31$1,243
This Gurufare deal was found by Cheapflights users on 10/31. 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.
Sun 11/98:39 amSTL - KIX
2 stops39h 36mCathay Pacific
Sun 11/164:15 pmKIX - STL
3 stops45h 43mCathay Pacific
Deal found 10/31$1,307
This STARLUX Airlines deal was found by Cheapflights users on 11/1. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/92:57 pmMCI - KIX
2 stops30h 53mSTARLUX Airlines
Thu 11/132:00 pmKIX - MCI
2 stops24h 46mSTARLUX Airlines
Deal found 11/1$1,347

Cheap flight deals from Missouri to Osaka

Keep the following information in mind while searching for Missouri to Osaka flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$673
(Air Canada)

One-way from

$565
(Kiwi.com)

Popular in

December

Cheapest in

September
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 (OSA)
Search Deals
One-way flight from Missouri to Osaka (OSA)
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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Osaka 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 November 3, 2025.
Use the filters below to find and compare flights from Missouri to Osaka that are best for you.

Fly from

Missouri

Fly to

Osaka

Route

Depart

Return

Price

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 2/3

4:05 pm-7:25 pm

2 stops36h 20m

Osaka Kansai Intl

Thu 2/19

3:45 pm-3:29 pm

2 stops38h 44m

$676

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Sun 2/15

7:41 am-6:55 pm

2 stops20h 14m

Osaka Itami

Sat 2/28

2:00 pm-7:19 pm

2 stops20h 19m

$690

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/15

5:25 pm-7:25 pm

2 stops35h 00m

Osaka Kansai Intl

Sat 2/28

8:20 am-9:00 pm

2 stops27h 40m

$711

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 12/8

4:45 pm-4:40 pm

2 stops32h 55m

Osaka Kansai Intl

Fri 12/12

6:35 pm-9:58 pm

2 stops18h 23m

$793

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 12/8

6:42 pm-4:40 pm

2 stops30h 58m

Osaka Kansai Intl

Sat 12/20

6:35 pm-1:20 pm

2 stops33h 45m

$816

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/15

6:30 am-6:50 pm

1 stop21h 20m

Osaka Kansai Intl

Sat 2/28

5:50 pm-11:48 pm

1 stop20h 58m

$845

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 12/8

6:55 am-6:50 pm

1 stop20h 55m

Osaka Kansai Intl

Fri 12/12

9:05 pm-1:29 pm

2 stops31h 24m

$933

Kansas CityOsaka

MCI - ITM

MCIITM

Kansas City

Mon 1/12

8:00 am-8:20 pm

2 stops21h 20m

Osaka Itami

Thu 2/12

7:05 am-2:28 pm

2 stops22h 23m

$958

Kansas CityKobe

MCI - UKB

MCIUKB

Kansas City

Mon 1/12

8:00 am-9:45 pm

2 stops22h 45m

Kobe

Thu 2/12

7:05 am-2:28 pm

2 stops22h 23m

$958

Kansas CityOsaka

MCI - ITM

MCIITM

Kansas City

Mon 1/12

10:00 am-8:10 am

2 stops31h 10m

Osaka Itami

Mon 1/19

4:00 pm-2:27 pm

2 stops37h 27m

$959

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 50 results
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Best time to book a flight from Missouri to Osaka

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

    Airlines like Air Canada, ANA, and United Airlines fly from Missouri to Osaka in about 20h 14m. The time it takes to get you to your destination can typically vary by up to 16h 06m. Missouri and Osaka are separated by a distance of 6568 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for ANA. According to our data, you can fly for as low as $379. Users have also found prices from $399 and $741 on United Airlines and Delta, respectively.

  • What are the most popular routes from Missouri to Osaka?

    The most popular flight routes from Missouri to Osaka are Lambert-St Louis - Osaka Kansai Intl, Lambert-St Louis - Osaka Itami and Kansas City - Osaka Itami.

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

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

  • How can I find direct flights from Missouri to Osaka?

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

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

    Yes. Cheapflights offers flight deals from Missouri to Osaka 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?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

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Alternative routes for Missouri to Osaka

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Missouri to Osaka

Discover the top airline that operate flights from Missouri to Osaka. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$723Average$813FlexibilityNo cancel feeOn-time79%

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