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Cheap flights from St. Louis to Osaka from $772

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:05 pm - 7:30 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
36h 25m2 stops Toronto Pearson Intl Tokyo Haneda
Multiple Airlines Logo
6:50 am - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
47h 36m2 stops Tokyo Haneda Toronto Pearson Intl
$772Multiple Airlines
Mon, Jan 11 - Fri, Jan 15
Air Canada Logo
4:05 pm - 7:30 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
36h 25m2 stops Toronto Pearson Intl Tokyo Haneda
Air Canada Logo
3:20 pm - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
39h 06m2 stops Tokyo Haneda Toronto Pearson Intl
$786Air Canada
Mon, Feb 1 - Fri, Feb 5
United Airlines Logo
6:45 pm - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
31h 00m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:35 pm - 11:20 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
19h 45m2 stops San Francisco Chicago O'Hare Intl
$819United Airlines
Mon, Jan 25 - Fri, Feb 5
United Airlines Logo
6:45 pm - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
31h 00m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:35 pm - 11:20 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
19h 45m2 stops San Francisco Chicago O'Hare Intl
$819United Airlines
Sat, Jan 23 - Fri, Feb 5
United Airlines Logo
6:45 pm - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
31h 00m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:35 pm - 11:20 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
19h 45m2 stops San Francisco Chicago O'Hare Intl
$819United Airlines
Mon, Jan 18 - Fri, Jan 29
United Airlines Logo
5:02 am - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
20h 43m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:35 pm - 11:20 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
19h 45m2 stops San Francisco Chicago O'Hare Intl
$819United Airlines
Sun, Jan 17 - Fri, Jan 29
United Airlines Logo
6:45 pm - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
31h 00m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:35 pm - 11:20 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
19h 45m2 stops San Francisco Chicago O'Hare Intl
$819United Airlines
Sat, Jan 16 - Fri, Jan 29
United Airlines Logo
5:00 am - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
20h 45m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:35 pm - 11:20 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
19h 45m2 stops San Francisco Chicago O'Hare Intl
$819United Airlines
Tue, Jan 26 - Wed, Feb 3
United Airlines Logo
6:45 pm - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
31h 00m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:35 pm - 5:13 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
37h 38m2 stops San Francisco Chicago O'Hare Intl
$819United Airlines
Mon, Feb 1 - Fri, Feb 5
United Airlines Logo
5:00 am - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
20h 45m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:35 pm - 11:20 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
19h 45m2 stops San Francisco Chicago O'Hare Intl
$819United Airlines
Tue, Jan 26 - Fri, Feb 5

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United Airlines flights from St. Louis to Osaka Kansai Intl Airport

Our best United Airlines deals on St. Louis to Osaka Kansai Intl Airport flight tickets
United Airlines
Feb 1
STL6:45 pmLambert-St Louis
31h 00m
2 stops
KIX4:45 pmOsaka Kansai Intl
Feb 5
KIX6:35 pmOsaka Kansai Intl
37h 38m
2 stops
STL5:13 pmLambert-St Louis
$819
United Airlines
Feb 1
STL8:30 amLambert-St Louis
41h 15m
1 stop
KIX4:45 pmOsaka Kansai Intl
Feb 5
KIX6:35 pmOsaka Kansai Intl
31h 29m
2 stops
STL11:04 amLambert-St Louis
$825
United Airlines
Jan 15
STL4:57 pmLambert-St Louis
32h 48m
2 stops
KIX4:45 pmOsaka Kansai Intl
Jan 27
KIX6:35 pmOsaka Kansai Intl
30h 15m
2 stops
STL9:50 amLambert-St Louis
$844

Cathay Pacific flights from St. Louis to Osaka Kansai Intl Airport

Our best Cathay Pacific deals on St. Louis to Osaka Kansai Intl Airport flight tickets
Cathay Pacific
Apr 9
STL12:27 pmLambert-St Louis
28h 13m
2 stops
KIX6:40 amOsaka Kansai Intl
Apr 14
KIX9:05 amOsaka Kansai Intl
27h 59m
2 stops
STL11:04 pmLambert-St Louis
$1,153
Cathay Pacific
Apr 7
STL12:27 pmLambert-St Louis
36h 43m
2 stops
KIX3:10 pmOsaka Kansai Intl
Apr 27
KIX9:05 amOsaka Kansai Intl
28h 39m
2 stops
STL11:44 pmLambert-St Louis
$1,171

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Osaka Kansai Intl Airport that are best for you.

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Depart

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Price

Cheapest round-trip

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Mon 1/11

4:05 pm-7:30 pm

2 stops36h 25m

Osaka Kansai Intl

Fri 1/15

6:50 am-3:26 pm

2 stops47h 36m

$772

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Mon 2/1

4:05 pm-7:30 pm

2 stops36h 25m

Osaka Kansai Intl

Fri 2/5

3:20 pm-3:26 pm

2 stops39h 06m

$786

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Mon 1/25

6:45 pm-4:45 pm

2 stops31h 00m

Osaka Kansai Intl

Fri 2/5

6:35 pm-11:20 pm

2 stops19h 45m

$819

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Sat 1/23

6:45 pm-4:45 pm

2 stops31h 00m

Osaka Kansai Intl

Fri 2/5

6:35 pm-11:20 pm

2 stops19h 45m

$819

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Mon 1/18

6:45 pm-4:45 pm

2 stops31h 00m

Osaka Kansai Intl

Fri 1/29

6:35 pm-11:20 pm

2 stops19h 45m

$819
Quickest round-trip

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Sun 1/17

5:02 am-4:45 pm

2 stops20h 43m

Osaka Kansai Intl

Fri 1/29

6:35 pm-11:20 pm

2 stops19h 45m

$819

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Sat 1/16

6:45 pm-4:45 pm

2 stops31h 00m

Osaka Kansai Intl

Fri 1/29

6:35 pm-11:20 pm

2 stops19h 45m

$819

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Tue 1/26

5:00 am-4:45 pm

2 stops20h 45m

Osaka Kansai Intl

Wed 2/3

6:35 pm-11:20 pm

2 stops19h 45m

$819

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Mon 2/1

6:45 pm-4:45 pm

2 stops31h 00m

Osaka Kansai Intl

Fri 2/5

6:35 pm-5:13 pm

2 stops37h 38m

$819

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Tue 1/26

5:00 am-4:45 pm

2 stops20h 45m

Osaka Kansai Intl

Fri 2/5

6:35 pm-11:20 pm

2 stops19h 45m

$819

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis 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 St. Louis to Osaka Kansai Intl Airport flights?

You could potentially save up to 41% on your flight if you consider stops on a St. Louis to Osaka Kansai Intl Airport flight.

When to book flights from St. Louis to Osaka Kansai Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Osaka Kansai Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Osaka Kansai Intl Airport (STL to KIX) flight deals and tips

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

Best Price Found

$801

Fastest flight time

20h 00m

Direct flights

None
The best one-way flight to Osaka Kansai Intl Airport from St. Louis in the past 72 hours is $801. The best round-trip flight deal from St. Louis to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $772.
The fastest flight from St. Louis to Osaka Kansai Intl Airport takes 20h 00m
There are no direct flights from St. Louis to Osaka Kansai Intl Airport. There are no popular flight routes from St. Louis to Osaka Kansai Intl Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Osaka Kansai Intl Airport

  • How far is Lambert-St Louis to Osaka Kansai Intl by plane?

    The straight-line distance from Lambert-St Louis to Osaka Kansai Intl is 6607.3 mi. A reasonable flight in good conditions will take 20h 00m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Osaka Kansai Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Osaka Kansai Intl Airport were last updated today.

  • How old do you have to be to fly from Lambert-St Louis Airport to Osaka Kansai Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Osaka Kansai Intl Airport.

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

    The necessary travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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 St. Louis to Osaka?

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Can I find flights from St. Louis to Osaka with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Osaka flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Osaka?

momondo provides multiple filters to help you find the best flight to Osaka from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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