What’s the cost of a flight from Saint Louis to Osaka Kansai?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Saint Louis and Osaka.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which departure and arrival airports are available?

Between Saint Louis and Osaka, flight options may depend on the combination of airports available.

• Airports in Saint Louis: Only Saint Louis - Lambert is currently in operation.
• Airports in Osaka: Osaka is served by 2 airports - Itami, Kansai.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Plan your perfect flight from Saint Louis to Osaka Kansai

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to Japan? Other frequent searches include: Fukuoka, Okinawa, Osaka, Sapporo, Tokyo.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.