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Cheap flights from Missouri to Osaka from $355

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 2/15. 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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0 bags

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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 - 10:20 pm
STL
-
KIX
39h 15m2 stops
Multiple Airlines Logo
2:05 pm - 3:29 pm
KIX
-
STL
40h 24m2 stops
$707Multiple Airlines
Tue, Feb 3 - Thu, Feb 19
United Airlines Logo
6:00 am - 7:25 pm
STL
-
KIX
22h 25m2 stops
United Airlines Logo
8:20 am - 8:23 pm
KIX
-
STL
27h 03m2 stops
$711United Airlines
Sun, Feb 15 - Sat, Feb 28
United Airlines Logo
6:00 am - 7:25 pm
STL
-
KIX
22h 25m2 stops
United Airlines Logo
6:35 pm - 12:25 pm
KIX
-
STL
32h 50m2 stops
$713United Airlines
Sun, Feb 15 - Sat, Feb 28
United Airlines Logo
6:45 am - 4:40 pm
STL
-
KIX
18h 55m1 stop
United Airlines Logo
8:20 am - 10:59 pm
KIX
-
STL
29h 39m2 stops
$744United Airlines
Sun, Feb 1 - Fri, Feb 20
United Airlines Logo
4:42 pm - 4:40 pm
STL
-
KIX
32h 58m2 stops
United Airlines Logo
6:35 pm - 12:25 pm
KIX
-
STL
32h 50m2 stops
$747United Airlines
Sat, Jan 31 - Wed, Feb 18
United Airlines Logo
4:42 pm - 4:40 pm
STL
-
KIX
32h 58m2 stops
United Airlines Logo
8:20 am - 10:00 pm
KIX
-
STL
28h 40m2 stops
$749United Airlines
Sat, Jan 31 - Thu, Feb 19
United Airlines Logo
6:45 am - 7:25 pm
STL
-
KIX
21h 40m2 stops
United Airlines Logo
8:20 am - 10:59 pm
KIX
-
STL
29h 39m2 stops
$751United Airlines
Sun, Feb 1 - Fri, Feb 20
United Airlines Logo
5:00 pm - 4:40 pm
STL
-
KIX
32h 40m1 stop
United Airlines Logo
8:20 am - 10:59 pm
KIX
-
STL
29h 39m2 stops
$752United Airlines
Sat, Jan 31 - Fri, Feb 20
ANA Logo
11:20 am - 8:35 am
STL
-
KIX
30h 15m2 stops
ANA Logo
2:05 pm - 3:38 pm
KIX
-
STL
40h 33m2 stops
$767ANA
Tue, Feb 3 - Thu, Feb 19
ANA Logo
8:00 am - 8:35 am
MCI
-
KIX
33h 35m2 stops
ANA Logo
9:10 pm - 2:27 pm
KIX
-
MCI
32h 17m2 stops
$829ANA
Sun, Jan 11 - Mon, Jan 26

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
Feb 3
STL4:05 pmLambert-St Louis
36h 20m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 19
KIX3:45 pmOsaka Kansai Intl
38h 44m
2 stops
STL3:29 pmLambert-St Louis
$704
Find similar
Air Canada
Feb 3
STL4:05 pmLambert-St Louis
36h 20m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 19
KIX3:45 pmOsaka Kansai Intl
38h 44m
2 stops
STL3:29 pmLambert-St Louis
$705
Find similar
Air Canada
Feb 3
STL4:05 pmLambert-St Louis
36h 20m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 19
KIX3:45 pmOsaka Kansai Intl
38h 44m
2 stops
STL3:29 pmLambert-St Louis
$708
Find similar

American Airlines flights from Missouri to Osaka Kansai Intl Airport

Our best American Airlines deals on Missouri to Osaka Kansai Intl Airport flight tickets
American Airlines
May 24
MCI7:32 amKansas City
21h 13m
2 stops
KIX6:45 pmOsaka Kansai Intl
Jun 6
KIX5:55 pmOsaka Kansai Intl
19h 49m
2 stops
MCI11:44 pmKansas City
$1,346
Find similar
American Airlines
May 24
MCI7:24 amKansas City
21h 21m
2 stops
KIX6:45 pmOsaka Kansai Intl
Jun 6
KIX5:55 pmOsaka Kansai Intl
19h 44m
2 stops
MCI11:39 pmKansas City
$1,347
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 December 11, 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 2/3

4:05 pm-10:20 pm

2 stops39h 15m

Osaka Kansai Intl

Thu 2/19

2:05 pm-3:29 pm

2 stops40h 24m

$707

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/15

6:00 am-7:25 pm

2 stops22h 25m

Osaka Kansai Intl

Sat 2/28

8:20 am-8:23 pm

2 stops27h 03m

$711

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/15

6:00 am-7:25 pm

2 stops22h 25m

Osaka Kansai Intl

Sat 2/28

6:35 pm-12:25 pm

2 stops32h 50m

$713

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/1

6:45 am-4:40 pm

1 stop18h 55m

Osaka Kansai Intl

Fri 2/20

8:20 am-10:59 pm

2 stops29h 39m

$744

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 1/31

4:42 pm-4:40 pm

2 stops32h 58m

Osaka Kansai Intl

Wed 2/18

6:35 pm-12:25 pm

2 stops32h 50m

$747

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 1/31

4:42 pm-4:40 pm

2 stops32h 58m

Osaka Kansai Intl

Thu 2/19

8:20 am-10:00 pm

2 stops28h 40m

$749

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/1

6:45 am-7:25 pm

2 stops21h 40m

Osaka Kansai Intl

Fri 2/20

8:20 am-10:59 pm

2 stops29h 39m

$751

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 1/31

5:00 pm-4:40 pm

1 stop32h 40m

Osaka Kansai Intl

Fri 2/20

8:20 am-10:59 pm

2 stops29h 39m

$752

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-3:38 pm

2 stops40h 33m

$767

Kansas CityOsaka

MCI - KIX

MCIKIX

Kansas City

Sun 1/11

8:00 am-8:35 am

2 stops33h 35m

Osaka Kansai Intl

Mon 1/26

9:10 pm-2:27 pm

2 stops32h 17m

$829

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 6% 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

18h 40m

Direct flights

None
The fastest flight from Missouri to Osaka Kansai Intl Airport takes 18h 40m
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.
Search flight deals

  • 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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