STL - KIX

$538 Find Cheap Flights from St. Louis to Osaka - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$826
Typical prices: $1,060-$1,387
Air Canada
Sat 9/15Sat 9/22
STL - KIX • 2 stops
Cheapest one-way
$538
Typical prices: $485-$1,031
Multiple Airlines
Fri 9/21
STL - KIX • 3 stops
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Osaka Kansai Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 32% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Francisco (SFO)
Cheapest • Avg $1,517 (round-trip)
Los Angeles (LAX)
Shortest trip • 20h 47m (one-way)
Insights
Insights
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We hope you love your trip to Osaka Kansai Intl Airport!
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Booking Insights
Flight Deals

Cheap Flights from St. Louis to Kansai Intl (STL-KIX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Kansai Intl

Tue, Sep 15 - Tue, Sep 22
Air Canada Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
38h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
6:00 pm - 6:41 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
38h 41m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$826Air Canada
Tue, Sep 15 - Tue, Sep 22
Air Canada Logo
8:55 am - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
17h 30m1 stop Toronto Pearson Intl
Air Canada Logo
6:00 pm - 6:41 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
38h 41m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$831Air Canada
Mon, Sep 7 - Mon, Sep 14
Air Canada Logo
2:40 pm - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
35h 45m1 stop Toronto Pearson Intl
Air Canada Logo
6:00 pm - 6:41 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
62h 41m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$833Air Canada
Mon, Sep 7 - Mon, Sep 14
Air Canada Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
38h 15m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
6:00 pm - 6:41 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
62h 41m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$836Air Canada
Sun, Oct 11 - Thu, Oct 29
Air Canada Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
62h 15m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
7:25 pm - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
34h 01m2 stops Vancouver Intl Toronto Pearson Intl
$1,041Air Canada
Mon, Feb 1 - Fri, Feb 5
Air Canada Logo
4:05 pm - 7:30 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
36h 25m2 stops Toronto Pearson Intl Tokyo Haneda
Air Canada Logo
3:20 pm - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
39h 06m2 stops Tokyo Haneda Toronto Pearson Intl
$1,064Air Canada
Mon, Jan 11 - Sat, Jan 23
Multiple Airlines Logo
4:05 pm - 10:20 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
39h 15m2 stops Toronto Pearson Intl Tokyo Haneda
Multiple Airlines Logo
3:20 pm - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
39h 06m2 stops Tokyo Haneda Toronto Pearson Intl
$1,066Multiple Airlines
Tue, Nov 24 - Sat, Dec 5
ANA Logo
1:08 pm - 2:40 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
34h 32m2 stops Chicago O'Hare Intl Tokyo Haneda
ANA Logo
6:45 am - 2:06 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
22h 21m2 stops Tokyo Haneda Houston George Bush Intcntl
$1,165ANA
Sun, Feb 7 - Sat, Feb 20
United Airlines Logo
5:00 am - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
20h 45m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:35 pm - 9:55 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
18h 20m1 stop San Francisco
$1,168United Airlines
Tue, Nov 24 - Sat, Dec 5
United Airlines Logo
1:08 pm - 4:45 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
36h 37m3 stops Chicago O'Hare Intl Houston George Bush Intcntl San Francisco
United Airlines Logo
6:35 pm - 9:49 amKIX  Osaka Kansai Intl-STL Lambert-St Louis
30h 14m2 stops San Francisco Newark
$1,172United Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Osaka Kansai Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Osaka Kansai Intl Airport with more confidence.

How much is a round-trip flight from St. Louis to Osaka Kansai Intl Airport?

Round-trip flights from St. Louis to Osaka Kansai Intl Airport start at $826. Prices are below average for this route right now, with typical round-trip fares ranging from $1,060 to $1,387. The lowest price found in the past 5 days was $826 on Air Canada.

What's the cheapest day of the week to fly from St. Louis to Osaka Kansai Intl Airport?

Wednesday is the cheapest day of the week to fly from St. Louis to Osaka Kansai Intl Airport, it is 32% cheaper than the average day. Friday is the most expensive day with flight prices 65% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for St. Louis to Osaka Kansai Intl Airport flights

Low season

December

Cheapest flight

$538
Best time to beat the crowds but there is an average 66% increase in price.
Flight from St. Louis to Osaka Kansai Intl Airport

When to book flights from St. Louis to Kansai Intl

Are your dates flexible? Find out the best times to travel from St. Louis to Kansai Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Osaka Kansai Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from St. Louis to Osaka Kansai Intl Airport?

    Flights from St. Louis to Osaka Kansai Intl Airport usually depart from Lambert-St Louis (STL) and arrive at Osaka Kansai Intl (KIX).

  • What cabin classes can I book on flights from St. Louis to Osaka Kansai Intl Airport?

    Only Economy Class is available on flights from St. Louis to Osaka Kansai Intl Airport.

  • Which airports do connecting flights from St. Louis to Osaka Kansai Intl Airport pass through?

    Connecting flights from St. Louis to Osaka Kansai Intl Airport most commonly pass through:

    • Los Angeles (LAX) - 83% of one-stop connections
    • San Francisco (SFO) - 17% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from St. Louis to Osaka Kansai Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 59% on the St. Louis to Osaka Kansai Intl Airport route. Wednesday is the cheapest departure day at $850 round-trip on average, while Friday is the most expensive at $2,071, a difference of $1,221. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Osaka Kansai Intl Airport?

    Some of the most popular sights in Osaka Kansai Intl Airport are Namba Train Station, Universal Studios Japan and Dotonbori Glico Man Sign. These are among the most viewed places in Osaka Kansai Intl Airport on KAYAK.

  • How long is a flight from St. Louis to Osaka Kansai Intl Airport?

    A nonstop flight from St. Louis to Osaka Kansai Intl Airport takes 0h 00m, covering 6,595 miles.

  • Do I need a passport to fly from St. Louis to Osaka Kansai Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from St. Louis to Osaka Kansai Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $826 to $3,765. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from St. Louis to Osaka Kansai Intl Airport looking right now?

    One-way fares from St. Louis to Osaka Kansai Intl Airport are currently lower than usual. Average one-way flight prices are about $611, which is 27% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from St. Louis to Osaka Kansai Intl Airport?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 17h 36m, compared with 20h 47m via Los Angeles (LAX).

  • What is the time difference between St. Louis and Osaka Kansai Intl Airport?

    Osaka Kansai Intl Airport is 14 hours ahead of St. Louis (Japan Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Osaka Kansai Intl Airport (KIX)?

    Osaka Kansai Intl Airport (KIX) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
    · Yesaway
    · CG Car Rental
    · KuMa Rental Car
    · IX Rental
    · HM Rent a Car

  • How much should I expect to pay for a St. Louis to Osaka Kansai Intl Airport flight?

    Round-trip flights from St. Louis to Osaka Kansai Intl Airport range from $1,060 to $1,387, with an average of $1,249 over the past 12 months. Anything below $1,060 counts as a good deal.

Your guide to booking St. Louis to Osaka Kansai Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average $850 - about $1,221 less than Friday (59% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Osaka Kansai Intl Airport trip for February. Fares historically average $850 round-trip in that month - typically $1,221 less than the most expensive month, which is December (based on the last 12 months).

Everything you need to know for your flight from St. Louis to Kansai Intl

Information on your arrival and departure airports

St. Louis (STL)
Kansai Intl (KIX)