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Cheap flights from Missouri to Osaka from $412

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Osaka departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Missouri to Osaka

Cheap round-trip flights

Japan Airlines Logo
7:00 am - 6:50 pmSTL-KIX
20h 50m1 stop
Japan Airlines Logo
9:10 pm - 2:35 pmKIX-STL
32h 25m2 stops
$776Japan Airlines
Find Deal
Tue, Nov 18 - Wed, Dec 3
United Airlines Logo
5:24 pm - 4:40 pmSTL-KIX
32h 16m2 stops
United Airlines Logo
8:25 am - 12:28 pmKIX-STL
43h 03m2 stops
$779United Airlines
Find Deal
Sun, Nov 16 - Thu, Nov 27
United Airlines Logo
4:55 pm - 4:40 pmSTL-KIX
32h 45m2 stops
United Airlines Logo
8:25 am - 10:51 amKIX-STL
41h 26m2 stops
$780United Airlines
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Wed, Nov 12 - Thu, Nov 27
Air Canada Logo
4:05 pm - 4:25 pmSTL-KIX
34h 20m2 stops
Air Canada Logo
6:05 pm - 2:27 pmKIX-STL
34h 22m2 stops
$836Air Canada
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Sat, Sep 20 - Sun, Sep 28
Air Canada Logo
4:05 pm - 4:25 pmSTL-KIX
34h 20m2 stops
Air Canada Logo
6:05 pm - 7:57 pmKIX-STL
39h 52m2 stops
$849Air Canada
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Sat, Sep 20 - Sun, Sep 28
Logo
4:05 pm - 7:40 pmMCI-KIX
37h 35m2 stops
Logo
3:20 pm - 3:10 pmKIX-MCI
37h 50m2 stops
$942
Find Deal
Fri, Sep 26 - Fri, Oct 3
Logo
4:05 pm - 5:50 pmMCI-KIX
35h 45m2 stops
Logo
7:35 am - 3:10 pmKIX-MCI
45h 35m3 stops
$1,027
Find Deal
Fri, Sep 26 - Fri, Oct 3
Cathay Pacific Logo
8:40 am - 6:20 amSTL-KIX
30h 40m2 stops
Cathay Pacific Logo
9:25 am - 10:29 pmKIX-STL
28h 04m2 stops
$1,045Cathay Pacific
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Thu, Nov 13 - Tue, Dec 2
Cathay Pacific Logo
5:58 pm - 2:55 pmSTL-KIX
29h 57m3 stops
Cathay Pacific Logo
9:25 am - 10:29 pmKIX-STL
28h 04m2 stops
$1,062Cathay Pacific
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Mon, Nov 17 - Tue, Dec 2
Alaska Airlines Logo
7:00 am - 2:15 pmSTL-KIX
40h 15m2 stops
Alaska Airlines Logo
9:10 pm - 11:56 pmKIX-STL
41h 46m2 stops
$1,097Alaska Airlines
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Thu, Nov 13 - Wed, Dec 3

Air Canada flights from Missouri to Osaka Kansai Intl Airport

Our best Air Canada deals on Missouri to Osaka Kansai Intl Airport flight tickets
Air Canada
Sep 20
STL4:05 pmLambert-St Louis
34h 20m
2 stops
KIX4:25 pmOsaka Kansai Intl
Sep 28
KIX6:05 pmOsaka Kansai Intl
34h 22m
2 stops
STL2:27 pmLambert-St Louis
$836
Find similar
Air Canada
Sep 20
STL4:05 pmLambert-St Louis
34h 20m
2 stops
KIX4:25 pmOsaka Kansai Intl
Sep 28
KIX6:05 pmOsaka Kansai Intl
39h 52m
2 stops
STL7:57 pmLambert-St Louis
$849
Find similar
Air Canada
Sep 20
STL4:05 pmLambert-St Louis
34h 20m
2 stops
KIX4:25 pmOsaka Kansai Intl
Sep 28
KIX6:05 pmOsaka Kansai Intl
35h 39m
2 stops
STL3:44 pmLambert-St Louis
$884
Find similar

Japan Airlines flights from Missouri to Osaka Kansai Intl Airport

Our best Japan Airlines deals on Missouri to Osaka Kansai Intl Airport flight tickets
Japan Airlines
Nov 18
STL7:00 amLambert-St Louis
20h 50m
1 stop
KIX6:50 pmOsaka Kansai Intl
Dec 3
KIX9:10 pmOsaka Kansai Intl
32h 25m
2 stops
STL2:35 pmLambert-St Louis
$776
Find similar
Japan Airlines
Sep 22
STL8:50 amLambert-St Louis
23h 25m
2 stops
KIX10:15 pmOsaka Kansai Intl
Sep 24
KIX8:55 pmOsaka Kansai Intl
41h 04m
2 stops
STL11:59 pmLambert-St Louis
$881
Find similar
Japan Airlines
Sep 27
STL9:56 amLambert-St Louis
32h 29m
2 stops
KIX8:25 amOsaka Kansai Intl
Oct 1
KIX6:45 amOsaka Kansai Intl
27h 47m
2 stops
STL8:32 pmLambert-St Louis
$891
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Osaka Kansai Intl Airport 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, momondo users made 832,500 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Missouri to Osaka Kansai Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 11/18

7:00 am-6:50 pm

1 stop20h 50m

Osaka Kansai Intl

Wed 12/3

9:10 pm-2:35 pm

2 stops32h 25m

$776

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 11/16

5:24 pm-4:40 pm

2 stops32h 16m

Osaka Kansai Intl

Thu 11/27

8:25 am-12:28 pm

2 stops43h 03m

$779

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Wed 11/12

4:55 pm-4:40 pm

2 stops32h 45m

Osaka Kansai Intl

Thu 11/27

8:25 am-10:51 am

2 stops41h 26m

$780

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 9/20

4:05 pm-4:25 pm

2 stops34h 20m

Osaka Kansai Intl

Sun 9/28

6:05 pm-2:27 pm

2 stops34h 22m

$836

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 9/20

4:05 pm-4:25 pm

2 stops34h 20m

Osaka Kansai Intl

Sun 9/28

6:05 pm-7:57 pm

2 stops39h 52m

$849

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Fri 9/26

4:05 pm-7:40 pm

2 stops37h 35m

Osaka Kansai Intl

Fri 10/3

3:20 pm-3:10 pm

2 stops37h 50m

$942

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Fri 9/26

4:05 pm-5:50 pm

2 stops35h 45m

Osaka Kansai Intl

Fri 10/3

7:35 am-3:10 pm

3 stops45h 35m

$1,027

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Thu 11/13

8:40 am-6:20 am

2 stops30h 40m

Osaka Kansai Intl

Tue 12/2

9:25 am-10:29 pm

2 stops28h 04m

$1,045

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 11/17

5:58 pm-2:55 pm

3 stops29h 57m

Osaka Kansai Intl

Tue 12/2

9:25 am-10:29 pm

2 stops28h 04m

$1,062

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Thu 11/13

7:00 am-2:15 pm

2 stops40h 15m

Osaka Kansai Intl

Wed 12/3

9:10 pm-11:56 pm

2 stops41h 46m

$1,097

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Osaka from

How to get the cheapest flight ticket from Missouri to Osaka Kansai Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Osaka Kansai Intl Airport?

The cheapest day to depart from Missouri to Osaka Kansai Intl Airport is on a Sunday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Sunday will often find tickets for as low as $1,214. Flights from Missouri to Osaka Kansai Intl Airport on a Monday will generally be more expensive and average around $1,861. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Osaka Kansai Intl Airport?

Our data shows that the cheapest Missouri to Osaka Kansai Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Osaka Kansai Intl Airport in the evening for as low as $1,214. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,861 on average. Flights to Osaka Kansai Intl Airport from Missouri in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Missouri to Osaka Kansai Intl Airport flights?

You could potentially save up to 51% on your flight if you consider stops on a Missouri to Osaka Kansai Intl Airport flight.

Cheap Missouri to Osaka Kansai Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Osaka Kansai Intl Airport

Best Price Found

$412

Fastest flight time

17h 10m

Direct flights

None
The best one-way flight to Osaka Kansai Intl Airport from Missouri in the past 72 hours is $412. The best round-trip flight deal from Missouri to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $776.
The fastest flight from Missouri to Osaka Kansai Intl Airport takes 17h 10m
There are no direct flights from Missouri to Osaka Kansai Intl Airport. Popular non-direct routes for this connection are Lambert-St Louis Airport - Osaka Kansai Intl Airport and Kansas City Airport - Osaka Kansai Intl Airport.
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  • When did momondo last update prices for flights from Missouri to Osaka Kansai Intl Airport?

    Prices for flights from Missouri to Osaka Kansai Intl Airport are updated daily.

  • How old do you have to be to fly from Missouri to Osaka Kansai Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Osaka Kansai Intl Airport.

  • What documentation or ID do you need to fly to Osaka Kansai Intl Airport?

    The required travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka Kansai Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Osaka?

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

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Osaka?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to Osaka for you.

Can I find flights from Missouri to Osaka with flexible booking policies on momondo?

Yes. All flights to Osaka from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Osaka?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Osaka from Missouri.

I’m not ready to book a flight from Missouri to Osaka right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Missouri to Osaka flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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