STL - KIX

$438 Find Cheap Flights from St. Louis to Osaka

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Kansai Intl departing on 2/15. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Osaka Kansai Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Osaka, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Osaka, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$793
United Airlines
Tue 2/24Tue 3/3
STL - KIX • 2 stops
Cheapest one-way
$438
ANA
Sun 2/15
STL - KIX • 2 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Kansai Intl!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Kansai Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
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, Feb 24 - Tue, Mar 3
United Airlines Logo
4:30 pm - 4:40 pm
STL
-
KIX
33h 10m
2 stops
United Airlines Logo
6:35 pm - 9:23 am
KIX
-
STL
29h 48m
2 stops
$793United Airlines
Tue, Feb 24 - Tue, Mar 3
United Airlines Logo
4:30 pm - 4:40 pm
STL
-
KIX
33h 10m
2 stops
United Airlines Logo
6:35 pm - 4:44 pm
KIX
-
STL
37h 09m
1 stop
$802United Airlines
Sun, May 3 - Tue, May 19
Air Canada Logo
1:00 pm - 4:25 pm
STL
-
KIX
37h 25m
2 stops
Air Canada Logo
6:00 pm - 8:18 am
KIX
-
STL
28h 18m
2 stops
$843Air Canada
Sun, Feb 15 - Sat, Feb 28
Japan Airlines Logo
2:19 pm - 8:25 am
STL
-
KIX
27h 06m
2 stops
Japan Airlines Logo
7:00 am - 1:50 pm
KIX
-
STL
21h 50m
2 stops
$856Japan Airlines
Sun, Feb 15 - Sat, Feb 28
Japan Airlines Logo
2:19 pm - 8:25 am
STL
-
KIX
27h 06m
2 stops
Japan Airlines Logo
5:50 pm - 11:59 pm
KIX
-
STL
21h 09m
1 stop
$860Japan Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
6:00 pm - 4:40 pm
STL
-
KIX
31h 40m
2 stops
United Airlines Logo
6:35 pm - 8:26 pm
KIX
-
STL
40h 51m
2 stops
$871United Airlines
Sun, May 3 - Mon, May 18
Air Canada Logo
1:00 pm - 4:25 pm
STL
-
KIX
37h 25m
2 stops
Air Canada Logo
6:00 pm - 12:06 pm
KIX
-
STL
56h 06m
2 stops
$891Air Canada
Mon, May 4 - Wed, May 20
United Airlines Logo
6:00 am - 7:50 pm
STL
-
KIX
23h 50m
2 stops
United Airlines Logo
9:20 am - 6:22 pm
KIX
-
STL
23h 02m
2 stops
$924United Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
5:25 pm - 4:40 pm
STL
-
KIX
32h 15m
1 stop
United Airlines Logo
6:35 pm - 9:05 pm
KIX
-
STL
41h 30m
2 stops
$926United Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
6:00 pm - 4:40 pm
STL
-
KIX
31h 40m
2 stops
United Airlines Logo
6:35 pm - 9:05 pm
KIX
-
STL
41h 30m
2 stops
$927United Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Kansai Intl flights

Get data-powered insights and trends into flights from St. Louis to Kansai Intl to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from St. Louis to Osaka?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from St. Louis to Osaka were found on United Airlines ($793) and Air Canada ($843).

Find deals

Good to know

Cheapest flight$438
Flight from St. Louis to Osaka

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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking St. Louis to Osaka flights

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

    In the last 3 days, the lowest price for a flight from St. Louis to Osaka Kansai Intl Airport was $438 for a one-way ticket and $793 for a round-trip.

  • Do I need a passport to fly between St. Louis and Osaka?

    Yes, you’ll need a passport to travel to Osaka from St. Louis.

  • Which airports will I be using when flying from St. Louis to Osaka?

    On your way to Osaka, you’ll fly out from Lambert-St Louis. You’ll be landing at Osaka Kansai Intl.

  • Which aircraft models fly most regularly from St. Louis to Osaka?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from St. Louis to Osaka?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Osaka.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Osaka?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Osaka from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Osaka?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Osaka with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and KIX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Osaka?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Osaka from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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)