Cheap flights from St. Louis to Tokyo from $421
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 Tokyo departing on 7/21. 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 Tokyo
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 month to fly to Tokyo?
The cheapest month to fly to Tokyo from St. Louis is in February. Flight prices, which tend to average around $843, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in February, then January is your next best option. Flight prices from St. Louis to Tokyo during January average around $862.
What is the cheapest day to depart on your flight to Tokyo?
The cheapest day to depart on your flight to Tokyo is on a Wednesday when prices can be found for as low as $1,209. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Tokyo on a Friday will generally be more expensive and average around $1,457. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Tokyo?
At noon is the cheapest time of day to fly from St. Louis to Tokyo when you can find flight prices for as low as $1,103. Flying to Tokyo at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Tokyo is in the morning when prices are around $1,308.
How have St. Louis to Tokyo flight prices changed over time?
As of April 2025, prices for St. Louis to Tokyo flights are approximately 45% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Lambert-St Louis to Tokyo?
ANA, American Airlines, and United Airlines are the most popular carriers operating from Lambert-St Louis to Tokyo
What airlines fly to Tokyo?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Tokyo from St. Louis according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Tokyo. Keep in mind that there are 6 different airlines that fly to Tokyo on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Tokyo
Cheap St. Louis to Tokyo (STL to TYO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Tokyo
How far is Lambert-St Louis to Tokyo by plane?
The straight-line distance from Lambert-St Louis to Tokyo is 6388.4 mi. By plane, this route typically takes 15h 36m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Tokyo?
Prices for flights from Lambert-St Louis Airport to Tokyo were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Tokyo?
The number of operators available for flights from Lambert-St Louis Airport to Tokyo is 6 as of April 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Tokyo?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Tokyo.
What documentation or ID do you need to fly to Tokyo?
The travel and health documents you'll need for your trip to Tokyo 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 Tokyo. 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 Tokyo?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Tokyo is United Airlines, representing 35% of all bookings. The subsequent popular airlines are Air Canada at 19%, Delta at 14%, and Japan Airlines at 14%.
Best airlines flying from St. Louis to Tokyo
Compare and see reviews for airlines that fly from St. Louis to Tokyo with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $691 | Free Cancellation | Rating 8.3 1,452 reviews | |||
| PriceFrom $712 | Free Cancellation | Rating 7.0 9,189 reviews | |||
| PriceFrom $714 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $734 | Free Cancellation | Rating 8.3 848 reviews | |||
| PriceFrom $738 | Free Cancellation | Rating 7.4 8,683 reviews | |||
| PriceFrom $738 | Free Cancellation | Rating 8.0 7,920 reviews |
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Why should I use momondo to find a flight deal from St. Louis to Tokyo?
It is quick and easy to find St. Louis to Tokyo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Tokyo that suits you.
Can I find flights from St. Louis to Tokyo with flexible booking policies on momondo?
momondo does allow users to show only those flights to Tokyo from St. Louis which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from St. Louis to Tokyo?
momondo provides multiple filters to help you find the best flight to Tokyo from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from St. Louis to Tokyo right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of St. Louis to Tokyo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.