$778+ Cheap flights from St. Louis (STL) to Kansai Intl (KIX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KIX
Nov 9 — Nov 161
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Kansai Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Kansai Intl
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Last-minute
One-way
Cheapest flights from St. Louis to Kansai IntlExplore the most affordable flight options available from St. Louis to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2026.
Explore the most affordable flight options available from St. Louis to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2026.
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:08 am -
1 stop17h 42m
Thu 10/296:35 pm -
1 stop17h 40m
Deal found 10/8![United Airlines logo]()
$932
This KAYAK deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:08 am -
1 stop17h 42m
Thu 10/296:35 pm -
1 stop17h 40m
Deal found 10/7![ANA logo]()
$1,152
This oojo deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:26 am -
2 stops23h 49m
Sun 11/229:10 pm -
2 stops34h 34m
Deal found 10/9![Japan Airlines logo]()
$1,227
This Ovago deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:05 pm -
1 stop30h 40m
Sun 11/227:05 am -
2 stops18h 27m
Deal found 10/9![ANA logo]()
$1,308
This Ovago deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:26 am -
3 stops40h 19m
Sun 11/226:05 pm -
2 stops44h 54m
Deal found 10/9![Cathay Pacific logo]()
$1,312
This American Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:10 am -
1 stop20h 00m
Sun 11/226:00 pm -
1 stop20h 58m
Deal found 10/9![American Airlines logo]()
$1,404
Best flights from St. Louis to Kansai IntlDiscover carefully curated flight deals from St. Louis to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
Discover carefully curated flight deals from St. Louis to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
This oojo deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:25 am -
2 stops34h 00m
Sun 11/298:05 pm -
2 stops35h 39m
Deal found 10/8![Japan Airlines logo]()
$1,227
This Ovago deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:05 pm -
1 stop30h 40m
Sun 11/227:05 am -
2 stops18h 27m
Deal found 10/9![ANA logo]()
$1,308
This Ovago deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:26 am -
3 stops40h 19m
Sun 11/226:05 pm -
2 stops44h 54m
Deal found 10/9![Cathay Pacific logo]()
$1,312
This American Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:10 am -
1 stop20h 00m
Sun 11/226:00 pm -
1 stop20h 58m
Deal found 10/9![American Airlines logo]()
$1,404
This STARLUX Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:23 pm -
2 stops31h 27m
Thu 11/1212:20 pm -
2 stops26h 36m
Deal found 10/7![STARLUX Airlines logo]()
$1,563
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:13 am -
2 stops25h 27m
Thu 11/262:15 am -
2 stops28h 32m
Deal found 10/6![Delta logo]()
$1,811
This United Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:00 am -
2 stops20h 45m
Thu 11/263:20 pm -
2 stops35h 53m
Deal found 10/5![United Airlines logo]()
$1,957
This Mytrip deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:20 pm -
3 stops28h 55m
Thu 11/262:15 am -
2 stops30h 25m
Deal found 10/6![Multiple Airlines logo]()
$2,746
This KAYAK deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:01 am -
1 stop22h 09m
Sun 1/108:05 pm -
2 stops29h 59m
Deal found 10/6![Japan Airlines logo]()
$2,278
This American Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop22h 10m
Sun 11/296:00 pm -
1 stop20h 58m
Deal found 10/8![American Airlines logo]()
$2,404
This KAYAK deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/189:35 am -
2 stops21h 45m
Tue 12/296:35 pm -
1 stop25h 31m
Deal found 10/5![ANA logo]()
$2,915
Last-minute flights from St. Louis to Kansai IntlDiscover last-minute flight deals from St. Louis to Kansai Intl. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kansai Intl. Data last updated October 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:08 am -
1 stop17h 42m
Thu 10/296:35 pm -
1 stop17h 40m
Deal found 10/8![United Airlines logo]()
$932
This KAYAK deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:08 am -
1 stop17h 42m
Thu 10/296:35 pm -
1 stop17h 40m
Deal found 10/7![ANA logo]()
$1,152
This oojo deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:26 am -
2 stops23h 49m
Sun 11/229:10 pm -
2 stops34h 34m
Deal found 10/9![Japan Airlines logo]()
$1,227
This Ovago deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:05 pm -
1 stop30h 40m
Sun 11/227:05 am -
2 stops18h 27m
Deal found 10/9![ANA logo]()
$1,308
This Ovago deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:26 am -
3 stops40h 19m
Sun 11/226:05 pm -
2 stops44h 54m
Deal found 10/9![Cathay Pacific logo]()
$1,312
This American Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:10 am -
1 stop20h 00m
Sun 11/226:00 pm -
1 stop20h 58m
Deal found 10/9![American Airlines logo]()
$1,404
One-way flights from St. Louis to Kansai IntlSearch for one-way flight options from St. Louis to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
Search for one-way flight options from St. Louis to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:54 pm -
3 stops31h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$778
This oojo deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:30 am -
2 stops45h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Turkish Airlines logo]()
$934
This oojo deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:10 am -
1 stop20h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Japan Airlines logo]()
$1,095
Find flight deals from St. Louis to Kansai Intl
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Kansai Intl (KIX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 10, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $824 (Air Canada) |
One-way from | $778 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $971 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Kansai Intl 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, Cheapflights users made 7,457,451 searches. Data last updated October 10, 2026.
Use the filters below to find and compare flights from St. Louis to Osaka Kansai Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sat 12/12
7:54 pm-6:40 pm
3 stops31h 46m
Osaka Kansai Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$778
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sat 12/12
6:30 am-7:10 pm
2 stops45h 40m
Osaka Kansai Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$934
Quickest round-trip
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sat 12/12
8:10 am-7:10 pm
1 stop20h 00m
Osaka Kansai Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$1,095
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sun 11/22
7:25 am-8:25 am
2 stops34h 00m
Osaka Kansai Intl
Sun 11/29
8:05 pm-4:44 pm
2 stops35h 39m
$1,227
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sun 11/1
7:05 pm-4:45 pm
1 stop30h 40m
Osaka Kansai Intl
Sun 11/22
7:05 am-10:32 am
2 stops18h 27m
$1,308
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sun 11/1
7:26 am-2:45 pm
3 stops40h 19m
Osaka Kansai Intl
Sun 11/22
6:05 pm-11:59 pm
2 stops44h 54m
$1,312
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sun 11/1
8:10 am-7:10 pm
1 stop20h 00m
Osaka Kansai Intl
Sun 11/22
6:00 pm-11:58 pm
1 stop20h 58m
$1,404
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Thu 11/5
2:23 pm-12:50 pm
2 stops31h 27m
Osaka Kansai Intl
Thu 11/12
12:20 pm-11:56 pm
2 stops26h 36m
$1,563
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Fri 11/20
6:13 am-10:40 pm
2 stops25h 27m
Osaka Kansai Intl
Thu 11/26
2:15 am-3:47 pm
2 stops28h 32m
$1,811
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Thu 11/19
5:00 am-4:45 pm
2 stops20h 45m
Osaka Kansai Intl
Thu 11/26
3:20 pm-12:13 pm
2 stops35h 53m
$1,957
Showing 1-10 of 14 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on St. Louis-Osaka Kansai Intl Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Osaka Kansai Intl Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from St. Louis-Osaka Kansai Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Osaka Kansai Intl Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Osaka Kansai Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Kansai Intl
Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from St. Louis with our price prediction graph.
STL-KIX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Kansai Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Osaka Kansai Intl Airport?
Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locationsIzumisano
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