How much is a flight from Saint Louis to Osaka?

There’s no fixed price — fares between Saint Louis and Osaka can vary a lot by day or time.

Pick a travel date to see today’s available fares.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Which airports serve Saint Louis and Osaka?

When planning a trip of about 6576 mi, it's a good idea to check flights from surrounding airports too.

• Airports in Saint Louis: Saint Louis - Lambert is the only operational airport in the area.
• Airports in Osaka: Osaka offers flights from 2 airports - Itami, Kansai.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Customize your flight from Saint Louis to Osaka

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from Ryanair, Easyjet, British Airways, Expedia, eDreams, and more.

Other popular destinations

Thinking about Japan? You might also consider: Fukuoka, Okinawa, Osaka, Sapporo, Tokyo.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.