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 2/18. 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
$755
United Airlines
Mon 2/23Tue 3/10
STL - KIX • 2 stops
Cheapest one-way
$438
ANA
Wed 2/18
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

Mon, Feb 23 - Tue, Mar 10
United Airlines Logo
6:55 pm - 4:40 pm
STL
-
KIX
30h 45m
2 stops
United Airlines Logo
6:35 pm - 10:25 pm
KIX
-
STL
17h 50m
1 stop
$755United Airlines
Sun, Feb 15 - Sat, Feb 28
United Airlines Logo
6:55 pm - 4:40 pm
STL
-
KIX
54h 45m
2 stops
United Airlines Logo
6:35 pm - 9:23 am
KIX
-
STL
29h 48m
2 stops
$819United Airlines
Sun, Feb 15 - Sat, Feb 28
Japan Airlines Logo
7:00 am - 10:20 pm
STL
-
KIX
24h 20m
2 stops
Japan Airlines Logo
5:50 pm - 11:59 pm
KIX
-
STL
21h 09m
1 stop
$880Japan Airlines
Sun, Feb 15 - Sat, Feb 28
United Airlines Logo
6:00 pm - 4:40 pm
STL
-
KIX
55h 40m
2 stops
United Airlines Logo
6:35 pm - 9:23 am
KIX
-
STL
29h 48m
2 stops
$894United 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
7:00 am - 1:50 pm
KIX
-
STL
21h 50m
2 stops
$911Japan Airlines
Sun, Feb 15 - Sat, Feb 28
Japan Airlines Logo
7:00 am - 10:20 pm
STL
-
KIX
24h 20m
2 stops
Japan Airlines Logo
5:50 pm - 11:59 pm
KIX
-
STL
21h 09m
1 stop
$935Japan Airlines
Mon, May 4 - Mon, May 25
ANA Logo
6:00 am - 7:50 pm
STL
-
KIX
23h 50m
2 stops
ANA Logo
3:55 pm - 12:11 pm
KIX
-
STL
34h 16m
2 stops
$973ANA
Mon, May 4 - Mon, May 25
Multiple Airlines Logo
8:03 pm - 8:35 am
STL
-
KIX
22h 32m
2 stops
Multiple Airlines Logo
5:55 pm - 11:59 pm
KIX
-
STL
20h 04m
1 stop
$1,061Multiple Airlines
Mon, May 4 - Mon, May 25
United Airlines Logo
6:00 am - 7:50 pm
STL
-
KIX
23h 50m
2 stops
United Airlines Logo
9:20 am - 3:46 pm
KIX
-
STL
44h 26m
3 stops
$1,124United Airlines
Tue, Mar 24 - Tue, Mar 31
Cathay Pacific Logo
9:59 am - 3:15 pm
STL
-
KIX
39h 16m
2 stops
Cathay Pacific Logo
5:35 pm - 10:58 pm
KIX
-
STL
43h 23m
2 stops
$1,190Cathay Pacific
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 ($755) and Japan Airlines ($880).

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 $755 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)