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Cheap flights from St. Louis to Osaka Kansai Intl Airport from $372

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Osaka Kansai Intl Airport departing on 8/23. 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 St. Louis to Osaka

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Osaka.
4:32 pm - 2:50 pmSTL-KIX
32h 18m2 stops
4:50 pm - 2:18 pmKIX-STL
35h 28m2 stops
$785United Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 28
5:45 pm - 2:50 pmSTL-KIX
31h 05m1 stop
4:50 pm - 12:27 amKIX-STL
21h 37m1 stop
$789United Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 28
5:30 pm - 4:25 pmSTL-KIX
32h 55m2 stops
6:05 pm - 3:16 pmKIX-STL
35h 11m2 stops
$823Air Canada
Find Deal
Mon, Jul 7 - Mon, Sep 8
1:30 pm - 4:25 pmSTL-KIX
36h 55m2 stops
6:05 pm - 12:36 pmKIX-STL
32h 31m2 stops
$964Air Canada
Find Deal
Wed, Jun 11 - Thu, Jun 26
8:26 am - 8:25 amSTL-KIX
33h 59m2 stops
5:55 pm - 10:59 pmKIX-STL
19h 04m1 stop
$982Japan Airlines
Find Deal
Mon, Jul 7 - Mon, Sep 8
6:25 am - 6:45 pmSTL-KIX
22h 20m1 stop
5:55 pm - 10:59 pmKIX-STL
19h 04m1 stop
$1,129American Airlines
Find Deal
Mon, Jul 7 - Mon, Sep 8
7:59 pm - 2:55 pmSTL-KIX
28h 56m3 stops
6:35 pm - 10:27 pmKIX-STL
41h 52m2 stops
$1,507Cathay Pacific
Find Deal
Sat, Sep 20 - Sun, Sep 28
7:59 pm - 2:55 pmSTL-KIX
28h 56m3 stops
4:20 pm - 10:27 pmKIX-STL
44h 07m3 stops
$1,522Cathay Pacific
Find Deal
Sat, Sep 20 - Sun, Sep 28
6:52 am - 10:15 pmSTL-KIX
25h 23m2 stops
5:55 pm - 11:04 pmKIX-STL
19h 09m1 stop
$1,702Japan Airlines
Find Deal
Sun, May 11 - Sat, May 17
6:52 am - 6:45 pmSTL-KIX
21h 53m1 stop
5:55 pm - 11:04 pmKIX-STL
19h 09m1 stop
$2,166American Airlines
Find Deal
Sun, May 11 - Sat, May 17

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
Sep 20
STL4:32 pmLambert-St Louis
32h 18m
2 stops
KIX2:50 pmOsaka Kansai Intl
Sep 28
KIX4:50 pmOsaka Kansai Intl
35h 28m
2 stops
STL2:18 pmLambert-St Louis
United Airlines
Sep 20
STL5:45 pmLambert-St Louis
31h 05m
1 stop
KIX2:50 pmOsaka Kansai Intl
Sep 28
KIX4:50 pmOsaka Kansai Intl
21h 37m
1 stop
STL12:27 amLambert-St Louis
United Airlines
May 20
STL5:20 amLambert-St Louis
43h 30m
2 stops
KIX2:50 pmOsaka Kansai Intl
Jun 4
KIX4:55 pmOsaka Kansai Intl
30h 44m
2 stops
STL9:39 amLambert-St Louis

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
Sep 20
STL7:59 pmLambert-St Louis
28h 56m
3 stops
KIX2:55 pmOsaka Kansai Intl
Sep 28
KIX6:35 pmOsaka Kansai Intl
41h 52m
2 stops
STL10:27 pmLambert-St Louis
Cathay Pacific
Sep 20
STL7:59 pmLambert-St Louis
28h 56m
3 stops
KIX2:55 pmOsaka Kansai Intl
Sep 28
KIX4:20 pmOsaka Kansai Intl
44h 07m
3 stops
STL10:27 pmLambert-St Louis
Cathay Pacific
May 11
STL6:52 amLambert-St Louis
42h 03m
3 stops
KIX2:55 pmOsaka Kansai Intl
May 17
KIX9:10 amOsaka Kansai Intl
27h 35m
2 stops
STL10:45 pmLambert-St Louis

See travel insights to Osaka from

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

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

The cheapest day to depart from St. Louis 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 St. Louis 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 St. Louis 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 St. Louis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

$372

Fastest flight time

17h 10m

Direct flights

None
The best one-way flight to Osaka Kansai Intl Airport from St. Louis in the past 72 hours is $372. The best round-trip flight deal from St. Louis to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $785.
The fastest flight from St. Louis to Osaka Kansai Intl Airport takes 17h 10m
There are no direct flights from St. Louis to Osaka Kansai Intl Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - 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 17h 10m.

  • 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 many operators does momondo search for flights from Lambert-St Louis Airport to Osaka Kansai Intl Airport?

  • 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.

  • What is the most popular airline from St. Louis to Osaka Kansai Intl Airport?


Best airlines flying from St. Louis to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from St. Louis to Osaka Kansai Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Japan AirlinesPriceFrom $723Free CancellationRating
8.3
1,440 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $778Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights

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 St. Louis to Osaka?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Osaka. Millions of users trust and use momondo every year so you are in good hands.

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?

Price alerts on flights to Osaka from St. Louis 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.


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