Cheap Flights from St. Louis (STL) to Osaka (KIX)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Kansai Intl. Airport (KIX)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save on select hotels after you book a flight*
    trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

Is it cheaper to buy a plane ticket from STL to Kansai Intl. Airport last minute?
When it comes to booking your flights, it pays to be prepared. While you may be able to score a last-minute deal on a Lambert Field to Kansai Intl. Airport flight, tickets usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international journeys it's three to four months.
What airports do you fly into for Osaka from St. Louis?
From St. Louis, you can journey to Osaka through Kansai Intl. Airport (KIX), Kobe Airport (UKB) and Itami Airport (ITM). Check which airport works best for you before you make a decision. If you pick Kansai Intl. Airport (KIX), it's about 40 kilometers southwest of downtown. Use the dough you save when booking your seat with Expedia to uncover the city's top attractions, such as Osaka Aquarium Kaiyukan and Osaka Science Museum.
Can I change the date of my flight from Lambert Field to KIX?
Quickly and easily make changes to your Lambert Field to Kansai Intl. Airport ticket through the Expedia Trips portal. But before amending dates or times, check out the fare rules in your itinerary to learn what you're able to do and if charges apply. Some airlines have a change fee per person, plus any difference in ticket prices. But if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also swing by our Customer Service portal to find the answers to your questions and to chat with our Virtual Agent.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Kansai Intl.
Distance
10558 km

Book with confidence