$482 Cheap Flights from St. Louis (STL) to Miyazaki (KMI)

View $482 flight on Sat, Aug 22, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Miyazaki Airport (KMI)

Cheap Flights from St. Louis to Miyazaki (STL-KMI)

Prices were available within the past 7 days and start at $482 for one-way flights and $870 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Sat, Aug 22 - Sat, Sep 5
STL
St. Louis
KMI
Miyazaki
$870 Roundtrip, found 4 days ago
$870
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sat, Aug 22 from St. Louis to Miyazaki, returning Sat, Sep 5, priced at $870 found 4 days ago
All Nippon Airways
Sat, Aug 22 - Sat, Sep 5
STL
St. Louis
KMI
Miyazaki
$876 Roundtrip, found 4 days ago
$876
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sat, Aug 22 from St. Louis to Miyazaki, returning Sat, Sep 5, priced at $876 found 4 days ago
All Nippon Airways
Sat, Aug 22 - Sat, Sep 5
STL
St. Louis
KMI
Miyazaki
$913 Roundtrip, found 4 days ago
$913
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sat, Aug 22 from St. Louis to Miyazaki, returning Sat, Sep 5, priced at $913 found 4 days ago
All Nippon Airways
Sat, Aug 22 - Sat, Sep 5
STL
St. Louis
KMI
Miyazaki
$918 Roundtrip, found 4 days ago
$918
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sat, Aug 22 from St. Louis to Miyazaki, returning Sat, Sep 5, priced at $918 found 4 days ago
All Nippon Airways
Sat, Aug 22 - Sat, Sep 5
STL
St. Louis
KMI
Miyazaki
$919 Roundtrip, found 4 days ago
$919
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sat, Aug 22 from St. Louis to Miyazaki, returning Sat, Sep 5, priced at $919 found 4 days ago
All Nippon Airways
Sat, Aug 22 - Sat, Sep 5
STL
St. Louis
KMI
Miyazaki
$961 Roundtrip, found 4 days ago
$961
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sat, Aug 22 from St. Louis to Miyazaki, returning Sat, Sep 5, priced at $961 found 4 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI) cost?
Grab a cheap one-way flight from $482 or cheap return flight from $870 from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI)?
Flying in August may help you find better deals, as it's the cheapest month for flights between STL and KMI. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from STL to KMI. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI)?
There aren't any daily nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from STL to KMI?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI) last-minute?
Last-minute bookings from STL to KMI are typically more expensive. To secure the best rates, start looking for flights early. That said, if you're flexible with your travel plans, you may find a cheap fare right before your trip.
Is it cheaper to book a STL to KMI flight and hotel package?
Booking a STL to KMI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Miyazaki Airport (KMI)?
Typically, you can modify or cancel your STL to KMI flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, head to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Miyazaki
Roundtrip price
$869
Distance
6867 mi

Book with confidence

St. Louis to Miyazaki Flights

The cheapest times to fly from St. Louis to Miyazaki

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Miyazaki are during the month of August. You can find some of the cheapest flights from St. Louis to Miyazaki with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Miyazaki

Sunday is one of the best days to book for cheap flights from St. Louis to Miyazaki: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Miyazaki

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Miyazaki in 2025. You can also book with separate airlines for your outbound and return journeys, from $482 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Miyazaki flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Miyazaki airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Miyazaki Flights

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*Available to One Key members.