$575 Cheap flight deals from St. Louis (STL) to Osaka (OSA)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from St. Louis to Osaka

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 10 - Sat, Oct 24
STL
Lambert-St. Louis Intl.
KIX
Kansai Intl.
$1,602 Roundtrip, found 5 days ago
$1,602
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Oct 10 from Lambert-St. Louis Intl. to Kansai Intl., returning Sat, Oct 24, priced at $1,602 found 5 days ago

Airfares from $575 One Way, $961 Round Trip from St. Louis to Osaka

Prices starting at $961 for return flights and $575 for one-way flights to Osaka were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Nov 15 - Thu, Nov 26
STL
St. Louis
ITM
Osaka
$961 Roundtrip, found 3 days ago
$961
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Sun, Nov 15 from St. Louis to Osaka, returning Thu, Nov 26, priced at $961 found 3 days ago
Sat, Oct 31 - Fri, Nov 6
STL
St. Louis
KIX
Osaka
$1,008 Roundtrip, just found
$1,008
Roundtrip
just found
Select All Nippon Airways flight, departing Sat, Oct 31 from St. Louis to Osaka, returning Fri, Nov 6, priced at $1,008 just found
Wed, Feb 3 - Tue, Feb 16
STL
St. Louis
KIX
Osaka
$1,041 Roundtrip, found 2 days ago
$1,041
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Feb 3 from St. Louis to Osaka, returning Tue, Feb 16, priced at $1,041 found 2 days ago
Wed, Oct 21 - Sun, Oct 25
STL
St. Louis
UKB
Kobe
$1,085 Roundtrip, found 1 day ago
$1,085
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Wed, Oct 21 from St. Louis to Kobe, returning Sun, Oct 25, priced at $1,085 found 1 day ago
Mon, Oct 19 - Thu, Oct 29
STL
St. Louis
KIX
Osaka
$1,093 Roundtrip, found 5 days ago
$1,093
Roundtrip
found 5 days ago
Select United flight, departing Mon, Oct 19 from St. Louis to Osaka, returning Thu, Oct 29, priced at $1,093 found 5 days ago

More About Flying To Osaka from St. Louis

Route Information for Flights from St. Louis to Osaka

Origin Airport IATA Code
STL
Destination Airport IATA Code
OSA
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to Osaka

Orbitz On-the-Go is your one-stop shop for discount vacation air travel. Our cutting-edge mobile tools leave you time to pack for the trip. Shop our sales on domestic flights from St. Louis to Osaka.

Best Bargains Anywhere

Cheap vacations start at Orbitz On-the-Go. Find the best deals on international flights from St. Louis to Osaka.

Complete Travel Planning

Your phone becomes a full-service vacation travel agency with Orbitz mobile phone apps. From reservations to arrivals, every detail is in the palm of your hand. Book budget flights from St. Louis to Osaka; add a car and hotel, share your itinerary and keep up with changes. Orbitz apps cover all the bases for you.

Totally Stress-Free

Free Alerts from Orbitz On-the-Go keep your vacation free from worry. Free Alerts updates you the moment any changes occur. You’ll always have the most current flight, gate and baggage claim details. So sit back and enjoy your low fare on St. Louis to Osaka flights.

More Miles Faster = Maximum Value

Orbitz On-the-Go securely stores your frequent flier and loyalty program information. Watch your miles add up when you book discount St. Louis to Osaka flights with Orbitz. Make your vacation mileage-friendly with low cost air tickets on St. Louis to Osaka flights. Orbitz is your destination for vacation value.

Frequently asked questions

What is the shortest flight from St. Louis to Osaka?
With a minimum flight duration of 16 hours and 29 minutes, you'll want to be as comfortable as possible. Collected some nice air points? Think about using them to upgrade to a seat with more room on your St. Louis to Osaka trip.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.