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Cheap flights from St. Louis (STL) to Kansai Intl (KIX) from $535

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 8/25. 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
Jun 16 — Jun 231
From?
To?
Sun 6/16
Sun 6/23
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 June 11, 2024.

Popular in

December

Cheapest in

October

Round-trip from

$1,094

One-way from

$651
High demand for flights, 57% potential price rise
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Best time to find cheap flights, 40% potential price drop
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From Lambert-St Louis to Osaka Kansai Intl
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One-way flight from Lambert-St Louis to Osaka Kansai Intl
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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.

What is the cheapest time of day to fly from STL to 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 34% on the cost of your flight, compared to a flight at noon.

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

Find cheap flight options from St. Louis to Kansai Intl specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 11, 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.
Sun 7/144:05 pmSTL - KIX
1 stop34h 15mAir Canada
Thu 7/186:00 pmKIX - STL
1 stop35h 21mAir Canada
Deal found 6/9$1,299
Mon 6/174:05 pmSTL - KIX
2 stops34h 15mMultiple Airlines
Mon 6/241:15 pmKIX - STL
2 stops21h 50mMultiple Airlines
Deal found 6/10$1,814
Thu 7/2511:30 amSTL - KIX
2 stops39h 25mAir Canada
Wed 7/316:00 pmKIX - STL
2 stops36h 48mAir Canada
Deal found 6/9$1,836
Thu 7/254:05 pmSTL - KIX
1 stop34h 15mAir Canada
Wed 7/316:00 pmKIX - STL
2 stops36h 48mAir Canada
Deal found 6/9$1,842
Mon 7/86:29 amSTL - KIX
2 stops35h 51mJapan Airlines
Mon 7/159:00 pmKIX - STL
2 stops30h 16mJapan Airlines
Deal found 6/10$1,909
Tue 7/1611:30 amSTL - KIX
2 stops39h 25mAir Canada
Thu 7/187:00 pmKIX - STL
2 stops40h 05mAir Canada
Deal found 6/9$1,939
Wed 7/176:29 amSTL - KIX
1 stop22h 26mJapan Airlines
Thu 7/189:00 pmKIX - STL
2 stops40h 07mJapan Airlines
Deal found 6/9$2,230
Mon 7/86:04 amSTL - KIX
2 stops26h 06mJapan Airlines
Mon 7/155:45 pmKIX - STL
1 stop19h 22mJapan Airlines
Deal found 6/10$2,244
Wed 7/178:01 amSTL - KIX
2 stops20h 54mJapan Airlines
Thu 7/188:55 pmKIX - STL
2 stops30h 21mJapan Airlines
Deal found 6/9$2,350

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 3,117,830 searches. Data last updated June 11, 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.
Mon 10/217:30 amSTL - KIX
2 stops24h 45mJapan Airlines
Wed 10/305:50 pmKIX - STL
1 stop19h 10mJapan Airlines
Deal found 6/10$986
Mon 10/217:44 amSTL - KIX
2 stops21h 11mAmerican Airlines
Wed 10/305:50 pmKIX - STL
2 stops29h 25mAmerican Airlines
Deal found 6/10$997
Sun 10/137:30 amSTL - KIX
2 stops24h 45mJapan Airlines
Mon 10/215:45 pmKIX - STL
1 stop35h 55mJapan Airlines
Deal found 6/11$1,012
Sun 10/135:54 amSTL - KIX
2 stops23h 01mAmerican Airlines
Mon 10/215:45 pmKIX - STL
2 stops29h 15mAmerican Airlines
Deal found 6/10$1,015
Thu 10/177:30 amSTL - KIX
2 stops24h 45mJapan Airlines
Fri 11/16:50 amKIX - STL
2 stops23h 21mJapan Airlines
Deal found 6/10$1,019
Sun 10/135:30 pmSTL - KIX
1 stop35h 25mAmerican Airlines
Mon 10/215:45 pmKIX - STL
2 stops29h 15mAmerican Airlines
Deal found 6/10$1,024
Mon 10/217:56 pmSTL - KIX
3 stops34h 14mAmerican Airlines
Wed 10/305:50 pmKIX - STL
2 stops18h 46mAmerican Airlines
Deal found 6/10$1,162
Thu 10/174:05 pmSTL - KIX
1 stop34h 15mMultiple Airlines
Fri 11/13:55 pmKIX - STL
2 stops31h 58mMultiple Airlines
Deal found 6/10$1,183
Sun 7/144:05 pmSTL - KIX
1 stop34h 15mAir Canada
Thu 7/186:00 pmKIX - STL
1 stop35h 21mAir Canada
Deal found 6/9$1,299

St. Louis to Kansai Intl flights leaving soon

Find last-minute flight options from St. Louis to Kansai Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 11, 2024.
Book one of these great deals on flights from St. Louis to Osaka. Tip: verify your flight details before completing your reservation.
Mon 6/174:05 pmSTL - KIX
2 stops34h 15mMultiple Airlines
Mon 6/241:15 pmKIX - STL
2 stops21h 50mMultiple Airlines
Deal found 6/10$1,814
Mon 6/174:05 pmSTL - KIX
3 stops33h 50mMultiple Airlines
Mon 6/249:55 pmKIX - STL
3 stops32h 20mMultiple Airlines
Deal found 6/10$2,562
Mon 6/176:29 amSTL - KIX
2 stops35h 51mJapan Airlines
Mon 6/245:45 pmKIX - STL
1 stop19h 13mJapan Airlines
Deal found 6/10$2,765
Mon 6/176:29 amSTL - KIX
1 stop22h 26mJapan Airlines
Mon 6/245:45 pmKIX - STL
1 stop19h 13mJapan Airlines
Deal found 6/10$3,343
Mon 6/176:51 pmSTL - KIX
3 stops30h 04mMultiple Airlines
Mon 6/246:40 pmKIX - STL
2 stops41h 22mMultiple Airlines
Deal found 6/10$8,657

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 3,117,830 searches. Data last updated June 11, 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.
Sun 8/257:00 amSTL - KIX
1 stop21h 55mJapan Airlines
Deal found 6/9$535
Wed 8/287:00 amSTL - KIX
1 stop21h 55mJapan Airlines
Deal found 6/9$539
Sun 8/257:00 amSTL - KIX
1 stop21h 55mAmerican Airlines
Deal found 6/9$540
Wed 8/288:04 amSTL - KIX
2 stops20h 51mMultiple Airlines
Deal found 6/9$544
Mon 8/267:29 pmSTL - KIX
3 stops54h 41mMultiple Airlines
Deal found 6/9$546
Tue 8/2710:32 pmSTL - KIX
3 stops57h 43mMultiple Airlines
Deal found 6/9$557
Sun 8/257:29 pmSTL - KIX
3 stops54h 41mMultiple Airlines
Deal found 6/9$558
Thu 8/2212:00 pmSTL - KIX
2 stops38h 55mAir Canada
Deal found 6/9$590
Wed 8/281:48 pmSTL - KIX
3 stops42h 27mMultiple Airlines
Deal found 6/9$617

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 3,117,830 searches. Data last updated June 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$986 - $1,757

Route

Depart

Return

Price

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Mon 10/21

2 stops24h 45m

Osaka Kansai Intl

Wed 10/30

1 stop19h 10m

$986

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Mon 10/21

2 stops21h 11m

Osaka Kansai Intl

Wed 10/30

2 stops29h 25m

$997

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sun 10/13

2 stops24h 45m

Osaka Kansai Intl

Mon 10/21

1 stop35h 55m

$1,012

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sun 10/13

2 stops23h 01m

Osaka Kansai Intl

Mon 10/21

2 stops29h 15m

$1,015

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Thu 10/17

2 stops24h 45m

Osaka Kansai Intl

Fri 11/1

2 stops23h 21m

$1,019

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Thu 10/17

1 stop34h 15m

Osaka Kansai Intl

Fri 11/1

2 stops31h 58m

$1,183

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sun 7/14

1 stop34h 15m

Osaka Kansai Intl

Thu 7/18

1 stop35h 21m

$1,299

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Sun 10/13

3 stops35h 49m

Osaka Kansai Intl

Mon 10/21

3 stops41h 47m

$1,673

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

Mon 10/21

1 stop17h 35m

Osaka Kansai Intl

Wed 10/30

1 stop19h 57m

$1,757

Flights are sorted by cheapest first

Deals found on 6/10

What is the cheapest day 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 June 9, 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

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.
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.

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

If weather is an important factor for your trip to Osaka Kansai Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 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 June 11, 2024.
Read through reviews of airlines operating flights from St. Louis to Osaka, such as Japan Airlines, American Airlines and Cathay Pacific. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,456 reviews

Crew

8.7

Boarding

8.4

Food

7.8

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

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

Japan Airlines
8.3
Very good
1,456 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Crew

8.7

Boarding

8.4

Food

7.8

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

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

Cathay Pacific
7.8
Good
1,029 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Crew

8.7

Boarding

8.4

Food

7.8

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

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

United Airlines
7.4
Good
10,629 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Crew

8.7

Boarding

8.4

Food

7.8

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

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

American Airlines
7.3
Good
14,129 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Crew

8.7

Boarding

8.4

Food

7.8

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

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

Air Canada
7.0
Good
7,079 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Crew

8.7

Boarding

8.4

Food

7.8

Comfort

8.2

Entertainment

7.8

Overall

8.3

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 $1,000 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Osaka Kansai Intl Airport for under $1,000. The cheapest flight booked recently is on Japan Airlines for just $986, but on average you can expect to pay $1,440.

  • Are there last-minute flights available from St. Louis to Osaka Kansai Intl Airport for under $1,900?

    There are currently 5+ open flights from St. Louis to Osaka Kansai Intl Airport within the next 7 days for less than $1,900.

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

    According to our current data, Japan Airlines ($986), American Airlines ($997), and Air Canada ($1,299) 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 44% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from St. Louis to Osaka Kansai Intl Airport one-way?

    One-way options have recently been found by users for as low as $535 on Japan Airlines. Other airlines that offer cheap prices include American Airlines from $540 and Air Canada from $590 one-way.

  • 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 6/11.

  • What is the cheapest month to book a flight from St. Louis to Osaka Kansai Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Osaka Kansai Intl Airport (average of $1,052). Flying from St. Louis to Osaka Kansai Intl Airport in July is currently the most expensive (average of $1,418). 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.

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 3,117,830 searches. Data last updated June 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$989Average$1,190FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,668Average$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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