How long does it take to fly to Osaka?

Average flight duration from Missouri to Osaka depends on which airport you fly into and out of. Flying from St. Louis to Osaka Kansai Intl Airport is 20h 50m on average, while flying from Kansas City to Osaka Kansai Intl Airport is 24h 47m on average. Osaka Kansai Intl Airport is the most popular airport in Osaka.

What is the cheapest airline that flies from Missouri to Osaka?

ANA, United Airlines, and American Airlines are the most popular carriers operating from Missouri to Osaka

When did momondo last update prices for flights from Missouri to Osaka?

Prices for flights from Missouri to Osaka were last updated today.

How many operators does momondo search for flights from Missouri to Osaka?

As of November 2025, there is 1 operator available to choose from for flights from Missouri to Osaka.

How old do you have to be to fly from Missouri to Osaka?

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.

What documentation or ID do you need to fly to Osaka?

The travel and health documents required for your trip to Osaka can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$379 Cheap Flights from Missouri to Osaka in 2025/26

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Find the cheapest flights from Missouri to Osaka

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:20 am - 7:30 amSTL-ITM

29h 10m2 stops

8:00 am - 12:25 pmITM-STL

19h 25m2 stops

$689ANA

Find Deal

Tue, Feb 3 - Thu, Feb 19

7:41 am - 6:55 pmSTL-ITM

20h 14m2 stops

3:00 pm - 7:19 pmITM-STL

19h 19m2 stops

$690ANA

Find Deal

Sun, Feb 15 - Sat, Feb 28

4:05 pm - 10:20 pmSTL-KIX

39h 15m2 stops

3:45 pm - 3:29 pmKIX-STL

38h 44m2 stops

$691Multiple Airlines

Find Deal

Tue, Feb 3 - Thu, Feb 19

7:41 am - 7:25 pmSTL-KIX

20h 44m2 stops

8:20 am - 9:00 pmKIX-STL

27h 40m2 stops

$711United Airlines

Find Deal

Sun, Feb 15 - Sat, Feb 28

6:00 pm - 4:40 pmSTL-KIX

31h 40m2 stops

6:35 pm - 3:37 pmKIX-STL

36h 02m1 stop

$716United Airlines

Find Deal

Thu, Jan 22 - Mon, Feb 2

6:30 am - 6:50 pmSTL-KIX

21h 20m1 stop

5:50 pm - 11:48 pmKIX-STL

20h 58m1 stop

$841American Airlines

Find Deal

Sun, Feb 15 - Sat, Feb 28

7:15 am - 7:55 pmSTL-ITM

21h 40m2 stops

3:25 pm - 11:59 pmITM-STL

23h 34m2 stops

$843Japan Airlines

Find Deal

Thu, Jan 22 - Mon, Feb 2

7:04 am - 6:50 pmSTL-KIX

20h 46m1 stop

5:50 pm - 11:59 pmKIX-STL

21h 09m1 stop

$849American Airlines

Find Deal

Thu, Jan 22 - Mon, Feb 2

6:30 am - 6:50 pmSTL-KIX

21h 20m1 stop

5:50 pm - 11:48 pmKIX-STL

20h 58m1 stop

$874Multiple Airlines

Find Deal

Sun, Feb 15 - Sat, Feb 28

3:22 pm - 8:25 amSTL-KIX

26h 03m2 stops

9:05 pm - 7:05 pmKIX-STL

37h 00m2 stops

$940Japan Airlines

Find Deal

Mon, Dec 8 - Fri, Dec 12

United Airlines flights from Missouri to Osaka

Our best United Airlines deals on Missouri to Osaka flight tickets

United Airlines

Feb 15

STL7:41 amLambert-St Louis

20h 44m

2 stops

KIX7:25 pmOsaka Kansai Intl

Feb 28

KIX8:20 amOsaka Kansai Intl

27h 40m

2 stops

STL9:00 pmLambert-St Louis

$711

Find similar

United Airlines

Jan 22

STL6:00 pmLambert-St Louis

31h 40m

2 stops

KIX4:40 pmOsaka Kansai Intl

Feb 2

KIX6:35 pmOsaka Kansai Intl

36h 02m

1 stop

STL3:37 pmLambert-St Louis

$716

Find similar

United Airlines

Dec 8

STL5:30 pmLambert-St Louis

32h 10m

1 stop

KIX4:40 pmOsaka Kansai Intl

Dec 20

KIX6:35 pmOsaka Kansai Intl

42h 20m

2 stops

STL9:55 pmLambert-St Louis

$833

Find similar

American Airlines flights from Missouri to Osaka

Our best American Airlines deals on Missouri to Osaka flight tickets

American Airlines

Feb 15

STL6:30 amLambert-St Louis

21h 20m

1 stop

KIX6:50 pmOsaka Kansai Intl

Feb 28

KIX5:50 pmOsaka Kansai Intl

20h 58m

1 stop

STL11:48 pmLambert-St Louis

$841

Find similar

American Airlines

Jan 22

STL7:04 amLambert-St Louis

20h 46m

1 stop

KIX6:50 pmOsaka Kansai Intl

Feb 2

KIX5:50 pmOsaka Kansai Intl

21h 09m

1 stop

STL11:59 pmLambert-St Louis

$849

Find similar

American Airlines

Feb 15

STL6:30 amLambert-St Louis

21h 20m

1 stop

KIX6:50 pmOsaka Kansai Intl

Feb 28

KIX5:50 pmOsaka Kansai Intl

20h 58m

1 stop

STL11:48 pmLambert-St Louis

$850

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Tue 2/3

11:20 am-7:30 am

2 stops29h 10m

Osaka Itami

Thu 2/19

8:00 am-12:25 pm

2 stops19h 25m

$689

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

3:00 pm-7:19 pm

2 stops19h 19m

$690

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

3:45 pm-3:29 pm

2 stops38h 44m

$691

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 2/15

7:41 am-7:25 pm

2 stops20h 44m

Osaka Kansai Intl

Sat 2/28

8:20 am-9:00 pm

2 stops27h 40m

$711

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Thu 1/22

6:00 pm-4:40 pm

2 stops31h 40m

Osaka Kansai Intl

Mon 2/2

6:35 pm-3:37 pm

1 stop36h 02m

$716

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

$841

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Thu 1/22

7:15 am-7:55 pm

2 stops21h 40m

Osaka Itami

Mon 2/2

3:25 pm-11:59 pm

2 stops23h 34m

$843

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Thu 1/22

7:04 am-6:50 pm

1 stop20h 46m

Osaka Kansai Intl

Mon 2/2

5:50 pm-11:59 pm

1 stop21h 09m

$849

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

$874

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 12/8

3:22 pm-8:25 am

2 stops26h 03m

Osaka Kansai Intl

Fri 12/12

9:05 pm-7:05 pm

2 stops37h 00m

$940

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Osaka

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

Prices

Airlines

Other information

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

According to our data, Monday is the cheapest day to fly to Osaka from Missouri. The lowest ticket price found for a Monday departure recently was $1,098. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Missouri to Osaka for around $1,835.

Can stopping save me money on Missouri to Osaka flights?

You could potentially save up to 11% on your flight if you consider stops on a Missouri to Osaka flight.

Cheap Missouri to Osaka flight deals and tips

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

Direct flights	None

There are no direct flights from Missouri to Osaka. There are no popular flight routes from Missouri to Osaka.

Search flight deals

When did momondo last update prices for flights from Missouri to Osaka?
Prices for flights from Missouri to Osaka were last updated today.
How many operators does momondo search for flights from Missouri to Osaka?
As of November 2025, there is 1 operator available to choose from for flights from Missouri to Osaka.
How old do you have to be to fly from Missouri to Osaka?
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.
What documentation or ID do you need to fly to Osaka?
The travel and health documents required for your trip to Osaka can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Osaka

Compare and see reviews for airlines that fly from Missouri to Osaka with momondo

Airline	Rating	Free Cancellation	Price
Japan Airlines	PriceFrom $723	Free Cancellation	Rating 8.3 1,608 reviews		Search Japan Airlines flights

Nara

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?

momondo does allow users to show only those flights to Osaka from Missouri which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Missouri to Osaka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Osaka from Missouri are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.