Cheap flights from St. Louis to Osaka from $444
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Osaka departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from St. Louis to Osaka
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Osaka?
According to our data, Monday is the cheapest day to fly to Osaka from St. Louis. The lowest ticket price found for a Monday departure recently was $1,098. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Osaka for around $1,835.
What is the cheapest time of day to depart on your flight to Osaka?
Our data shows that the cheapest St. Louis to Osaka flights are usually those with departure times in the morning. Our users have found flights to Osaka in the morning for as low as $1,517. Flights to Osaka are more costly in the morning, with an average ticket price of $1,517. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
When to book flights from St. Louis to Osaka
Cheap St. Louis to Osaka (STL to OSA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Osaka
How far is Lambert-St Louis to Osaka by plane?
The straight-line distance from Lambert-St Louis to Osaka is 6585.1 mi. 17h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Osaka?
Prices for flights from Lambert-St Louis Airport to Osaka are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Osaka?
The number of operators available for flights from Lambert-St Louis Airport to Osaka is 2 as of April 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Osaka?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Osaka.
What documentation or ID do you need to fly to Osaka?
The travel and health documents you'll need for your trip to Osaka may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Osaka?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Osaka is Japan Airlines, representing 68% of all bookings. The subsequent popular airline is American Airlines at 32%.
Best airlines flying from St. Louis to Osaka
Compare and see reviews for airlines that fly from St. Louis to Osaka with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $723 | Free Cancellation | Rating 8.3 1,440 reviews | |||
| PriceFrom $778 | Free Cancellation | Rating 7.4 8,658 reviews |
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Why should I use momondo to find a flight deal from St. Louis to Osaka?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Osaka. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Osaka with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Osaka from St. Louis with this policy.
How can momondo help me find flights from St. Louis to Osaka?
momondo helps you find the best flight between St. Louis and Osaka by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from St. Louis to Osaka right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from St. Louis and alert you when they change.