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Cheap flights from St. Louis (STL) to Kansai Intl (KIX) from $1,491

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — KIX
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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Cheap 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 April 28, 2024.

Popular in

December

Cheapest in

January

Average price

$2,190

Round-trip from

$1,124
High demand for flights, 59% potential price rise
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Best time to find cheap flights, 41% potential price drop
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Average for round-trip flights in April 2024
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From Lambert-St Louis to Osaka Kansai Intl
Search Deals

What is the cheapest day to fly round-trip from St. Louis to Osaka Kansai Intl Airport?

Monday is generally a great day to depart. Flying on this day could help you save up to 114%.

What is the cheapest month to fly from St. Louis to Osaka Kansai Intl Airport?

October can be a great time to fly to Osaka Kansai Intl Airport from St. Louis with a flight ticket averaging about $1,476. Cheapflights users have found deals in the month of October for as cheap as $936. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from St. Louis to Osaka Kansai Intl Airport (STL - KIX)?

It’s optimal to fly from St. Louis to Osaka Kansai Intl Airport in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at noon.

Cheap Japan Airlines flights from St. Louis to Kansai Intl

Explore cheap flight options specifically provided by Japan Airlines for the route between St. Louis and Kansai Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Check out some of the cheapest Japan Airlines flights we've come across from St. Louis to Osaka. Come back soon if you're not finding the exact deal you're looking for.
Sat 10/125:30 pmSTL - KIX
1 stop35h 25mJapan Airlines
Tue 10/159:15 pmKIX - STL
2 stops32h 25mJapan Airlines
Deal found 4/27$1,491
Sat 10/125:30 pmSTL - KIX
1 stop35h 25mJapan Airlines
Tue 10/153:00 pmKIX - STL
2 stops38h 40mJapan Airlines
Deal found 4/26$1,492
Sat 10/125:30 pmSTL - KIX
2 stops25h 00mJapan Airlines
Tue 10/153:00 pmKIX - STL
2 stops38h 40mJapan Airlines
Deal found 4/26$1,565
Thu 6/66:29 amSTL - KIX
1 stop22h 26mJapan Airlines
Sat 7/135:45 pmKIX - STL
1 stop19h 22mJapan Airlines
Deal found 4/27$2,704
Thu 6/66:29 amSTL - KIX
1 stop22h 26mJapan Airlines
Thu 7/185:45 pmKIX - STL
1 stop19h 22mJapan Airlines
Deal found 4/27$2,913

Cheap Air Canada flights from St. Louis to Kansai Intl

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Kansai Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Some of the lowest-priced Air Canada flights we've found at this time heading from St. Louis to Osaka. Deals frequently update to provide users with more options.
Tue 5/1411:00 amSTL - KIX
2 stops39h 20mAir Canada
Tue 5/286:00 pmKIX - STL
2 stops40h 01mAir Canada
Deal found 4/27$1,634
Thu 6/64:05 pmSTL - KIX
2 stops34h 15mAir Canada
Thu 7/187:00 pmKIX - STL
2 stops34h 21mAir Canada
Deal found 4/27$2,039
Tue 6/45:31 pmSTL - KIX
2 stops32h 49mAir Canada
Thu 7/187:00 pmKIX - STL
2 stops34h 21mAir Canada
Deal found 4/27$2,139
Thu 6/64:05 pmSTL - KIX
2 stops34h 15mAir Canada
Sat 7/137:00 pmKIX - STL
2 stops34h 21mAir Canada
Deal found 4/27$2,290
Thu 6/64:05 pmSTL - KIX
2 stops34h 15mAir Canada
Wed 7/176:00 pmKIX - STL
2 stops30h 25mAir Canada
Deal found 4/27$2,337
Thu 6/64:05 pmSTL - KIX
2 stops34h 15mAir Canada
Sun 7/146:00 pmKIX - STL
2 stops35h 21mAir Canada
Deal found 4/27$2,440
Tue 6/45:31 pmSTL - KIX
2 stops32h 49mAir Canada
Tue 7/167:00 pmKIX - STL
2 stops34h 21mAir Canada
Deal found 4/27$2,442
Thu 6/64:05 pmSTL - KIX
2 stops34h 15mAir Canada
Fri 7/126:00 pmKIX - STL
2 stops35h 21mAir Canada
Deal found 4/27$2,505
Thu 6/64:05 pmSTL - KIX
2 stops34h 15mAir Canada
Tue 7/166:00 pmKIX - STL
1 stop35h 21mAir Canada
Deal found 4/27$2,585

Cheap St. Louis to Kansai Intl flights in April & May 2024

Find cheap flight options from St. Louis to Kansai Intl specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Osaka in 2024. Check back regularly for other flight deals.
Tue 5/1411:00 amSTL - KIX
2 stops39h 20mAir Canada
Tue 5/286:00 pmKIX - STL
2 stops40h 01mAir Canada
Deal found 4/27$1,634
Tue 5/146:02 pmSTL - KIX
2 stops46h 33mMultiple Airlines
Tue 5/284:20 pmKIX - STL
3 stops44h 57mMultiple Airlines
Deal found 4/27$2,038
Tue 5/146:02 pmSTL - KIX
1 stop34h 53mMultiple Airlines
Tue 5/281:15 pmKIX - STL
2 stops19h 26mMultiple Airlines
Deal found 4/27$3,221
Tue 5/146:02 pmSTL - KIX
3 stops30h 53mMultiple Airlines
Tue 5/284:20 pmKIX - STL
3 stops44h 57mMultiple Airlines
Deal found 4/27$8,816

St. Louis to Kansai Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Kansai Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Osaka in 2024. Check back regularly for other flight deals.
Sat 10/125:30 pmSTL - KIX
1 stop35h 25mJapan Airlines
Tue 10/159:15 pmKIX - STL
2 stops32h 25mJapan Airlines
Deal found 4/27$1,491
Sat 10/125:30 pmSTL - KIX
1 stop35h 25mJapan Airlines
Tue 10/153:00 pmKIX - STL
2 stops38h 40mJapan Airlines
Deal found 4/26$1,492
Sat 10/125:30 pmSTL - KIX
2 stops25h 00mJapan Airlines
Tue 10/153:00 pmKIX - STL
2 stops38h 40mJapan Airlines
Deal found 4/26$1,565
Tue 5/1411:00 amSTL - KIX
2 stops39h 20mAir Canada
Tue 5/286:00 pmKIX - STL
2 stops40h 01mAir Canada
Deal found 4/27$1,634
Mon 12/166:18 amSTL - KIX
2 stops24h 57mJapan Airlines
Tue 1/76:50 amKIX - STL
2 stops22h 43mJapan Airlines
Deal found 4/27$1,649
Sat 12/147:20 amSTL - KIX
2 stops23h 55mJapan Airlines
Fri 1/36:50 amKIX - STL
2 stops24h 22mJapan Airlines
Deal found 4/27$1,652
Sat 12/147:21 pmSTL - KIX
1 stop32h 29mMultiple Airlines
Fri 1/36:50 amKIX - STL
2 stops24h 22mMultiple Airlines
Deal found 4/27$1,922
Tue 5/146:02 pmSTL - KIX
2 stops46h 33mMultiple Airlines
Tue 5/284:20 pmKIX - STL
3 stops44h 57mMultiple Airlines
Deal found 4/27$2,038
Thu 6/64:05 pmSTL - KIX
2 stops34h 15mAir Canada
Thu 7/187:00 pmKIX - STL
2 stops34h 21mAir Canada
Deal found 4/27$2,039

Find flights from St. Louis to Kansai Intl within your budget

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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,491 - $2,725

Route

Depart

Return

Price

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 10/12

1 stop35h 25m

Osaka Kansai Intl

Tue 10/15

2 stops32h 25m

$1,491

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 10/12

1 stop35h 25m

Osaka Kansai Intl

Tue 10/15

2 stops38h 40m

$1,492

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 10/12

2 stops25h 00m

Osaka Kansai Intl

Tue 10/15

2 stops38h 40m

$1,565

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Tue 5/14

2 stops39h 20m

Osaka Kansai Intl

Tue 5/28

2 stops40h 01m

$1,634

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Tue 5/14

2 stops46h 33m

Osaka Kansai Intl

Tue 5/28

3 stops44h 57m

$2,038

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Wed 6/5

1 stop22h 26m

Osaka Kansai Intl

Thu 7/18

1 stop19h 22m

$2,065

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 10/12

1 stop17h 35m

Osaka Kansai Intl

Tue 10/15

1 stop21h 40m

$2,132

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 6/8

2 stops44h 00m

Osaka Kansai Intl

Sun 7/14

2 stops41h 29m

$2,636

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Wed 6/5

2 stops34h 06m

Osaka Kansai Intl

Sun 7/14

2 stops43h 17m

$2,725

Flights are sorted by cheapest first

Deals found on 4/27

When is the cheapest time to fly from St. Louis to Osaka Kansai Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Kansai Intl. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Osaka Kansai Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Kansai Intl by month

Plan your trip from St. Louis to Kansai Intl by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Kansai Intl is currently $0 while a round-trip flight costs $1,975. Price data was last updated on April 21, 2024.

Currently, February is the cheapest month in which you can book a flight from St. Louis to Osaka Kansai Intl Airport (average of $1,044). Flying from St. Louis to Osaka Kansai Intl Airport in July is currently the most expensive (average of $1,426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$1,095

February

$1,044

March

$1,245

April

$1,183

May

$1,200

June

$1,255

July

$1,426

August

$1,207

September

$1,140

October

$1,175

November

$1,224

December

$1,382

Temperature and rainfall in Kansai Intl by month

Plan your trip to Kansai Intl by taking into account the average temperature and rainfall totals by month.

OSA

Temperature

42.8 - 84.2 °F

Reviews of airlines servicing Kansai Intl

Get insights into the airlines that provide service to Kansai Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kansai Intl. Reviews last updated April 28, 2024.
Read through reviews of airlines operating flights from St. Louis to Osaka, such as Japan Airlines, Air Canada and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.9

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Japan Airlines
8.3
Very good
1,485 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.9

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Cathay Pacific
7.9
Good
1,127 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.9

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Qatar Airways
7.7
Good
4,456 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.9

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

United Airlines
7.4
Good
11,221 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.9

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

American Airlines
7.3
Good
14,844 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.9

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

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.

  • What airport do you fly from for flights from St. Louis to Osaka Kansai Intl?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Osaka Kansai Intl. On average, Lambert-St Louis has 0 outbound flights to Osaka Kansai Intl per day from 2 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find flights from St. Louis to Osaka Kansai Intl Airport for under $1,500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Osaka Kansai Intl Airport for under $1,500. The cheapest flight booked recently is on Japan Airlines for just $1,491, but on average you can expect to pay $2,053.

  • What are the cheapest airlines flying from St. Louis to Osaka Kansai Intl Airport round-trip?

    According to our current data, Japan Airlines ($1,491), Air Canada ($1,634), and American Airlines ($2,065) offers the cheapest pricing from St. Louis to Osaka Kansai Intl Airport. You may be able to fly from St. Louis to Osaka Kansai Intl Airport for 11% less than the average price by searching for these airlines.

  • What does STL to KIX mean?

    STL stands for Lambert-St Louis Airport, while KIX stands for Osaka Kansai Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from St. Louis to Kansai Intl that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Kansai Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Kansai Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Kansai Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Kansai Intl that include hotel bookings?

    Yes. In addition to deals on St. Louis to Kansai Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Kansai Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Kansai Intl.

  • Can I find deals for business class flights from St. Louis to Kansai Intl?

    Yes. Cheapflights offers flight deals from St. Louis to Kansai Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Kansai Intl that allow pets onboard?

    Many airlines flying from St. Louis to Kansai Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Kansai Intl?

    Yes, you can often find last-minute deals on St. Louis to Kansai Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Osaka Kansai Intl Airport flight deals updated?

    The St. Louis to Osaka Kansai Intl Airport flight deals you see on this page were last updated on 4/27.

See more FAQs

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Alternative routes for St. Louis to Kansai Intl
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from St. Louis to Kansai Intl

Discover the top 2 airlines that operate flights from St. Louis to Kansai Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$965Average$1,080FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
United AirlinesCheapest$1,458Average$1,861FlexibilityNo cancel feeOn-time69%
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Search flights from St. Louis to Kansai Intl by cabin class

Find flights from St. Louis to Kansai Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Kansai Intl?

When you search for this flight from St. Louis to Kansai Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Kansai Intl?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Kansai Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Kansai Intl with no change fees?

Yes, we can. To see specific flights from St. Louis to Kansai Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Kansai Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kansai Intl from St. Louis today and book when prices fit your budget.

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