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Cheap flights from Missouri to Osaka from $429

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 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Missouri to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:05 pm - 8:35 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
37h 30m2 stops Toronto Pearson Intl Tokyo Narita
Multiple Airlines Logo
7:35 am - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
46h 51m2 stops Tokyo Narita Toronto Pearson Intl
$864Multiple Airlines
Wed, Jan 13 - Sun, Jan 17
Air Canada Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
38h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
7:25 pm - 11:24 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
41h 59m2 stops Vancouver Intl Chicago O'Hare Intl
$878Air Canada
Sun, Oct 11 - Thu, Oct 29
Air Canada Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
38h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
6:00 pm - 6:41 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
38h 41m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$880Air Canada
Tue, Sep 15 - Tue, Sep 22
Air Canada Logo
8:55 am - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
41h 30m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
7:25 pm - 11:24 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
41h 59m2 stops Vancouver Intl Chicago O'Hare Intl
$883Air Canada
Sun, Oct 11 - Thu, Oct 29
Air Canada Logo
8:55 am - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
17h 30m1 stop Toronto Pearson Intl
Air Canada Logo
6:00 pm - 6:41 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
38h 41m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$885Air Canada
Tue, Sep 15 - Tue, Sep 22
Multiple Airlines Logo
4:05 pm - 10:20 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
39h 15m2 stops Toronto Pearson Intl Tokyo Haneda
Multiple Airlines Logo
7:35 am - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
46h 51m2 stops Tokyo Narita Toronto Pearson Intl
$914Multiple Airlines
Mon, Nov 30 - Sun, Dec 20
Air Canada Logo
5:24 pm - 4:25 pmMCI  Kansas City-KIX Osaka Kansai Intl
33h 01m2 stops Denver Intl Vancouver Intl
Air Canada Logo
6:00 pm - 8:44 pmKIX  Osaka Kansai Intl-MCI Kansas City
16h 44m2 stops Vancouver Intl Denver Intl
$1,035Air Canada
Sat, Oct 3 - Tue, Oct 13
Air Canada Logo
6:00 am - 4:25 pmMCI  Kansas City-KIX Osaka Kansai Intl
44h 25m2 stops Denver Intl Vancouver Intl
Air Canada Logo
6:00 pm - 11:44 pmKIX  Osaka Kansai Intl-MCI Kansas City
43h 44m2 stops Vancouver Intl Denver Intl
$1,041Air Canada
Sat, Oct 3 - Thu, Oct 15
Air Canada Logo
1:48 pm - 4:25 pmMCI  Kansas City-KIX Osaka Kansai Intl
36h 37m2 stops Denver Intl Vancouver Intl
Air Canada Logo
6:00 pm - 11:44 pmKIX  Osaka Kansai Intl-MCI Kansas City
19h 44m2 stops Vancouver Intl Denver Intl
$1,076Air Canada
Thu, Oct 1 - Tue, Oct 13
American Airlines Logo
6:30 am - 6:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
22h 15m1 stop Los Angeles
American Airlines Logo
5:45 pm - 11:30 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
19h 45m1 stop Los Angeles
$1,112American Airlines
Tue, Sep 15 - Tue, Sep 22

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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
Oct 11
STL12:10 pmLambert-St Louis
38h 15m
2 stops
KIX4:25 pmOsaka Kansai Intl
Oct 29
KIX7:25 pmOsaka Kansai Intl
41h 59m
2 stops
STL11:24 pmLambert-St Louis
$878
Air Canada
Sep 15
STL12:10 pmLambert-St Louis
38h 15m
2 stops
KIX4:25 pmOsaka Kansai Intl
Sep 22
KIX6:00 pmOsaka Kansai Intl
38h 41m
2 stops
STL6:41 pmLambert-St Louis
$880
Air Canada
Oct 11
STL8:55 amLambert-St Louis
41h 30m
2 stops
KIX4:25 pmOsaka Kansai Intl
Oct 29
KIX7:25 pmOsaka Kansai Intl
41h 59m
2 stops
STL11:24 pmLambert-St Louis
$883

ANA flights from Missouri to Osaka Kansai Intl Airport

Our best ANA deals on Missouri to Osaka Kansai Intl Airport flight tickets
ANA
Sep 28
STL7:08 amLambert-St Louis
17h 42m
1 stop
KIX2:50 pmOsaka Kansai Intl
Oct 5
KIX4:55 pmOsaka Kansai Intl
15h 48m
1 stop
STL6:43 pmLambert-St Louis
$1,222
ANA
Sep 29
MCI7:38 amKansas City
17h 12m
1 stop
KIX2:50 pmOsaka Kansai Intl
Oct 6
KIX4:55 pmOsaka Kansai Intl
20h 49m
1 stop
MCI11:44 pmKansas City
$1,277
ANA
Sep 29
MCI6:00 amKansas City
18h 50m
2 stops
KIX2:50 pmOsaka Kansai Intl
Oct 15
KIX4:55 pmOsaka Kansai Intl
17h 49m
2 stops
MCI8:44 pmKansas City
$1,286

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 15, 2026.
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

Cheapest round-trip

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Wed 1/13

4:05 pm-8:35 pm

2 stops37h 30m

Osaka Kansai Intl

Sun 1/17

7:35 am-3:26 pm

2 stops46h 51m

$864

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Sun 10/11

12:10 pm-4:25 pm

2 stops38h 15m

Osaka Kansai Intl

Thu 10/29

7:25 pm-11:24 pm

2 stops41h 59m

$878

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Tue 9/15

12:10 pm-4:25 pm

2 stops38h 15m

Osaka Kansai Intl

Tue 9/22

6:00 pm-6:41 pm

2 stops38h 41m

$880

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Sun 10/11

8:55 am-4:25 pm

2 stops41h 30m

Osaka Kansai Intl

Thu 10/29

7:25 pm-11:24 pm

2 stops41h 59m

$883

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Tue 9/15

8:55 am-4:25 pm

1 stop17h 30m

Osaka Kansai Intl

Tue 9/22

6:00 pm-6:41 pm

2 stops38h 41m

$885

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Mon 11/30

4:05 pm-10:20 pm

2 stops39h 15m

Osaka Kansai Intl

Sun 12/20

7:35 am-3:26 pm

2 stops46h 51m

$914

Kansas CityOsaka

MCI Kansas City - KIX Osaka Kansai Intl

MCIKIX

Kansas City

Sat 10/3

5:24 pm-4:25 pm

2 stops33h 01m

Osaka Kansai Intl

Tue 10/13

6:00 pm-8:44 pm

2 stops16h 44m

$1,035

Kansas CityOsaka

MCI Kansas City - KIX Osaka Kansai Intl

MCIKIX

Kansas City

Sat 10/3

6:00 am-4:25 pm

2 stops44h 25m

Osaka Kansai Intl

Thu 10/15

6:00 pm-11:44 pm

2 stops43h 44m

$1,041

Kansas CityOsaka

MCI Kansas City - KIX Osaka Kansai Intl

MCIKIX

Kansas City

Thu 10/1

1:48 pm-4:25 pm

2 stops36h 37m

Osaka Kansai Intl

Tue 10/13

6:00 pm-11:44 pm

2 stops19h 44m

$1,076
Quickest round-trip

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Tue 9/15

6:30 am-6:45 pm

1 stop22h 15m

Osaka Kansai Intl

Tue 9/22

5:45 pm-11:30 pm

1 stop19h 45m

$1,112

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

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

You could potentially save up to 7% 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

Fastest flight time

17h 12m

Direct flights

None
The fastest flight from Missouri to Osaka Kansai Intl Airport takes 17h 12m
There are no direct flights from Missouri to Osaka Kansai Intl Airport. There are no popular flight routes from Missouri to Osaka Kansai Intl Airport.
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Frequently asked questions about flying from Missouri to Osaka Kansai Intl Airport

  • 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
Izumisano
Himeji
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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