HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis (STL) to Kansai Intl (KIX) from $649

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 8/19. 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 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 4, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$1,124

One-way from

$649
High demand for flights, 57% potential price rise
Search Deals
Best time to find cheap flights, 51% potential price drop
Search Deals
From Lambert-St Louis to Osaka Kansai Intl
Search Deals
One-way flight 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?

February can be a great time to fly to Osaka Kansai Intl Airport from St. Louis with a flight ticket averaging about $1,594. 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 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 2,795,183 searches. Data last updated May 4, 2024.
Sat 10/125:30 pmSTL - KIX
1 stop35h 25mJapan Airlines
Tue 10/159:15 pmKIX - STL
2 stops32h 25mJapan Airlines
Deal found 5/2$1,517
Sat 10/125:30 pmSTL - KIX
2 stops25h 00mJapan Airlines
Tue 10/159:15 pmKIX - STL
2 stops32h 25mJapan Airlines
Deal found 5/2$1,591

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 2,795,183 searches. Data last updated May 4, 2024.
Sat 10/125:30 pmSTL - KIX
1 stop35h 25mJapan Airlines
Tue 10/159:15 pmKIX - STL
2 stops32h 25mJapan Airlines
Deal found 5/2$1,517
Sat 10/125:30 pmSTL - KIX
2 stops25h 00mJapan Airlines
Tue 10/159:15 pmKIX - STL
2 stops32h 25mJapan Airlines
Deal found 5/2$1,591
Sat 10/127:15 amSTL - KIX
1 stop17h 35mUnited Airlines
Tue 10/154:50 pmKIX - STL
1 stop21h 40mUnited Airlines
Deal found 5/2$2,131

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 2,795,183 searches. Data last updated May 4, 2024.
Mon 8/197:00 amSTL - KIX
1 stop21h 55mJapan Airlines
Deal found 5/3$649
Mon 8/197:00 amSTL - KIX
2 stops25h 10mJapan Airlines
Deal found 5/3$654
Tue 10/227:30 amSTL - KIX
2 stops24h 45mJapan Airlines
Deal found 5/3$691
Tue 10/225:30 pmSTL - KIX
1 stop35h 25mJapan Airlines
Deal found 5/3$704
Mon 8/197:29 pmSTL - KIX
3 stops56h 21mMultiple Airlines
Deal found 5/3$706
Tue 10/227:00 pmSTL - KIX
3 stops29h 55mMultiple Airlines
Deal found 5/3$969

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 2,795,183 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,517 - $3,180

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

$1,517

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sat 10/12

2 stops25h 00m

Osaka Kansai Intl

Tue 10/15

2 stops32h 25m

$1,591

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Tue 5/14

2 stops40h 10m

Osaka Kansai Intl

Tue 5/28

2 stops40h 01m

$1,597

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

$2,039

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

$2,131

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Tue 5/14

1 stop34h 53m

Osaka Kansai Intl

Tue 5/28

2 stops19h 26m

$3,180

Flights are sorted by cheapest first

Deals found on 5/2

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 28, 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 $729 while a round-trip flight costs $2,009. Price data was last updated on April 28, 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

$1,246

April

$1,188

May

$1,190

June

$1,268

July

$1,426

August

$1,220

September

$1,133

October

$1,175

November

$1,230

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 May 4, 2024.
Japan Airlines
8.3
Very good
1,486 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.9

Crew

8.7

Overall

8.3

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
1,486 reviews
Japan Airlines
8.3
Very good
1,486 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.9

Crew

8.7

Overall

8.3

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
11,125 reviews
Japan Airlines
8.3
Very good
1,486 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.9

Crew

8.7

Overall

8.3

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.

Air Canada
7.0
Good
6,904 reviews
Japan Airlines
8.3
Very good
1,486 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.9

Crew

8.7

Overall

8.3

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 $1,600 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Osaka Kansai Intl Airport for under $1,600. The cheapest flight booked recently is on Japan Airlines for just $1,517, but on average you can expect to pay $2,009.

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

    According to our current data, Japan Airlines ($1,517), Air Canada ($1,597), and United Airlines ($2,131) 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 13% 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 5/2.

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.

Kansas City to Itami flights
Kansas City to Kansai Intl flights

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 2,795,183 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$965Average$1,080FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
United AirlinesCheapest$1,458Average$1,861FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Denver to Boston flights
USA to Iceland flights
Seattle to Miami flights
Seattle to Tokyo flights
Cleveland to Las Vegas flights
Las Vegas to New York flights
California to Texas flights
Cancún to Mexico City flights
Salt Lake City to Las Vegas flights
San Francisco to San Diego flights
Chicago to Minneapolis flights
St. Louis to Saint Kitts and Nevis 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.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Saint Peter Jersey
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Naxos
Flights to Ningbo Lishe Intl
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Bodø
Flights to Pellston Emmet County
Flights to Cornwall Newquay
Flights to Ordu/Giresun
Flights to Batumi
Flights to Mason City
Flights to Biarritz Parme
Flights to Zakynthos Dionsios Salomos
Flights to Cortez Montezuma County
Flights to Clermont-Ferrand Aulnat
Flights to Nevsehir
Flights to Hyannis Barnstable
Flights to Girona Costa Brava
Flights to Kagoshima
Flights to Perugia Sant Egidio
Flights to Oran Es Senia
Flights to Chios

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.
View all available airlines