Cheap flights from St. Louis (STL) to Kansai Intl (KIX) from $1,218

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. 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 21 — May 281

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 May 16, 2024.

Popular in

December

Cheapest in

January

Average price

$1,861

Round-trip from

$1,113
High demand for flights, 57% potential price rise
Best time to find cheap flights, 51% potential price drop
Average for round-trip flights in May 2024
From Lambert-St Louis to Osaka Kansai Intl

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?

February can be a great time to fly to Osaka Kansai Intl Airport from St. Louis with a flight ticket averaging about $1,579. Cheapflights users have found deals in the month of February for as cheap as $1,083. The most expensive prices can be found in the month of June.

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 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 2,637,452 searches. Data last updated May 16, 2024.
Check out some of the cheapest Air Canada 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 10/126:30 amSTL - KIX
2 stops19h 50mAir Canada
Tue 10/157:00 pmKIX - STL
2 stops40h 05mAir Canada
Deal found 5/14$1,449
Sat 10/126:30 amSTL - KIX
2 stops19h 50mAir Canada
Tue 10/157:00 pmKIX - STL
2 stops40h 05mAir Canada
Deal found 5/15$1,510

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 2,637,452 searches. Data last updated May 16, 2024.
Some of the lowest-priced Japan Airlines flights we've found at this time heading from St. Louis to Osaka. Deals frequently update to provide users with more options.
Sat 10/125:30 pmSTL - KIX
1 stop35h 25mJapan Airlines
Tue 10/153:00 pmKIX - STL
2 stops38h 40mJapan Airlines
Deal found 5/15$1,495
Sat 6/226:29 amSTL - KIX
1 stop22h 26mJapan Airlines
Sat 7/63:05 pmKIX - STL
2 stops22h 02mJapan Airlines
Deal found 5/15$2,701
Sat 6/226:29 amSTL - KIX
1 stop22h 26mJapan Airlines
Sat 7/65:45 pmKIX - STL
1 stop19h 22mJapan Airlines
Deal found 5/15$3,096

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

Find cheap flight options from St. Louis to Kansai Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 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 6/226:30 amSTL - KIX
2 stops19h 50mMultiple Airlines
Sat 7/67:00 pmKIX - STL
2 stops34h 21mMultiple Airlines
Deal found 5/15$1,865
Wed 6/266:29 amSTL - KIX
1 stop22h 26mMultiple Airlines
Wed 7/312:35 pmKIX - STL
2 stops24h 54mMultiple Airlines
Deal found 5/16$1,877
Wed 6/269:47 amSTL - KIX
2 stops22h 23mMultiple Airlines
Wed 7/312:35 pmKIX - STL
2 stops24h 54mMultiple Airlines
Deal found 5/16$1,963
Sat 6/224:05 pmSTL - KIX
3 stops30h 35mMultiple Airlines
Sat 7/67:00 pmKIX - STL
3 stops35h 32mMultiple Airlines
Deal found 5/15$2,342
Wed 6/261:55 pmSTL - KIX
3 stops29h 45mMultiple Airlines
Wed 7/37:30 amKIX - STL
2 stops27h 35mMultiple Airlines
Deal found 5/16$2,495
Wed 6/261:55 pmSTL - KIX
3 stops29h 45mMultiple Airlines
Wed 7/36:00 pmKIX - STL
3 stops35h 21mMultiple Airlines
Deal found 5/16$2,539
Sat 6/2210:42 amSTL - KIX
2 stops29h 53mMultiple Airlines
Sat 7/67:00 pmKIX - STL
3 stops35h 32mMultiple Airlines
Deal found 5/15$2,554
Wed 6/266:29 amSTL - KIX
1 stop22h 26mMultiple Airlines
Wed 7/35:45 pmKIX - STL
1 stop19h 13mMultiple Airlines
Deal found 5/16$2,586
Sat 6/226:29 amSTL - KIX
1 stop22h 26mJapan Airlines
Sat 7/63:05 pmKIX - STL
2 stops22h 02mJapan Airlines
Deal found 5/15$2,701

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 2,637,452 searches. Data last updated May 16, 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 10/126:30 amSTL - KIX
2 stops19h 50mAir Canada
Tue 10/157:00 pmKIX - STL
2 stops40h 05mAir Canada
Deal found 5/14$1,449
Sat 10/125:30 pmSTL - KIX
1 stop35h 25mJapan Airlines
Tue 10/159:15 pmKIX - STL
2 stops32h 25mJapan Airlines
Deal found 5/14$1,495
Sat 10/126:30 amSTL - KIX
2 stops19h 50mAir Canada
Tue 10/157:00 pmKIX - STL
2 stops40h 05mAir Canada
Deal found 5/15$1,510
Sat 6/226:30 amSTL - KIX
2 stops19h 50mMultiple Airlines
Sat 7/67:00 pmKIX - STL
2 stops34h 21mMultiple Airlines
Deal found 5/15$1,865
Wed 6/266:29 amSTL - KIX
1 stop22h 26mMultiple Airlines
Wed 7/312:35 pmKIX - STL
2 stops24h 54mMultiple Airlines
Deal found 5/16$1,877
Wed 6/269:47 amSTL - KIX
2 stops22h 23mMultiple Airlines
Wed 7/312:35 pmKIX - STL
2 stops24h 54mMultiple Airlines
Deal found 5/16$1,963
Sat 10/127:15 amSTL - KIX
1 stop17h 35mUnited Airlines
Tue 10/154:50 pmKIX - STL
1 stop21h 40mUnited Airlines
Deal found 5/14$2,132
Sat 6/224:05 pmSTL - KIX
3 stops30h 35mMultiple Airlines
Sat 7/67:00 pmKIX - STL
3 stops35h 32mMultiple Airlines
Deal found 5/15$2,342
Wed 6/261:55 pmSTL - KIX
3 stops29h 45mMultiple Airlines
Wed 7/37:30 amKIX - STL
2 stops27h 35mMultiple Airlines
Deal found 5/16$2,495

One-way flights to Kansai Intl from St. Louis

Search for one-way flight options from St. Louis to Kansai Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the best available deals we've found on one-way flights from St. Louis to Osaka. Those seeking round-trip flights from St. Louis to Osaka should utilize the search form at the the top of the page.
Fri 6/148:01 amSTL - KIX
2 stops34h 19mJapan Airlines
Deal found 5/15$1,218
Fri 6/146:29 amSTL - KIX
3 stops42h 26mCathay Pacific
Deal found 5/15$1,365

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,449 - $3,096

Route

Depart

Return

Price

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 10/12

2 stops19h 50m

Osaka Kansai Intl

Tue 10/15

2 stops40h 05m

$1,449

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

$1,495

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 10/12

2 stops19h 50m

Osaka Kansai Intl

Tue 10/15

2 stops40h 05m

$1,510

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 6/22

2 stops19h 50m

Osaka Kansai Intl

Sat 7/6

2 stops34h 21m

$1,865

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 6/22

3 stops30h 35m

Osaka Kansai Intl

Sat 7/6

3 stops35h 32m

$2,342

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 6/22

2 stops29h 53m

Osaka Kansai Intl

Sat 7/6

3 stops35h 32m

$2,554

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 6/22

1 stop22h 26m

Osaka Kansai Intl

Sat 7/6

2 stops22h 02m

$2,701

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 6/22

1 stop22h 26m

Osaka Kansai Intl

Sat 7/6

1 stop19h 22m

$3,096

Flights are sorted by cheapest first

Deals found on 5/14

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 May 12, 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.
Search Deals

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 $1,292 while a round-trip flight costs $2,127. Price data was last updated on May 12, 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 $1,417). 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

$1,201

May

$1,173

June

$1,233

July

$1,417

August

$1,218

September

$1,125

October

$1,186

November

$1,230

December

$1,279

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 May 16, 2024.
Read through reviews of airlines operating flights from St. Louis to Osaka, such as Air Canada and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.3
Very good
1,472 reviews

Crew

8.7

Food

7.9

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

8.3
Very good
1,472 reviews
8.3
Very good
1,472 reviews

Crew

8.7

Food

7.9

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.8
Good
1,084 reviews
8.3
Very good
1,472 reviews

Crew

8.7

Food

7.9

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.4
Good
10,924 reviews
8.3
Very good
1,472 reviews

Crew

8.7

Food

7.9

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.0
Good
6,947 reviews
8.3
Very good
1,472 reviews

Crew

8.7

Food

7.9

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

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 Air Canada for just $1,449, but on average you can expect to pay $2,127.

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

    According to our current data, Air Canada ($1,449), Japan Airlines ($1,495), and United Airlines ($2,132) 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 17% 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 5/16.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$985Average$1,088FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
United AirlinesCheapest$1,668Average$1,861FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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.

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.