Which layover airport offers the lowest fares from St. Louis to Tokyo?

Flights via Dallas (DFW) offer the lowest average round-trip price of $593.

What is the cheapest airline that flies from Lambert-St Louis to Tokyo?

Cathay Pacific and Japan Airlines are the most popular carriers operating from Lambert-St Louis to Tokyo

What airlines fly to Tokyo?

United Airlines, Delta and Japan 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 36% 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.

Which airport is the most popular layover for flights between St. Louis and Tokyo?

Chicago (ORD) was the most common stop: 59% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from St. Louis to Tokyo?

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 15h 44m.

Which layover airport has the shortest connection time from St. Louis to Tokyo?

Detroit (DTW) has the shortest average layover time for this route: 1h 26m.

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 May 2026.

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.

$743 Cheap Flights from St. Louis to Tokyo in 2026

Q: What is the typical price of a round-trip flight between St. Louis and Tokyo?

Prices are currently low for flights on this route. Typical prices usually range from $1,465 to $988. The lowest price recently found on this route was $1,281.

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Find the cheapest flights from St. Louis to Tokyo

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:08 pm - 8:00 pm

STL

NRT

33h 52m

2 stops

2:35 pm - 10:55 pm

NRT

STL

22h 20m

1 stop

$1,281Multiple Airlines

Wed, Aug 26 - Mon, Sep 7

8:10 pm - 2:10 pm

STL

NRT

28h 00m

2 stops

2:45 pm - 11:42 pm

NRT

STL

23h 57m

1 stop

$1,283Multiple Airlines

Tue, Oct 20 - Tue, Nov 3

6:00 am - 4:30 pm

STL

NRT

20h 30m

1 stop

9:30 pm - 5:03 pm

NRT

STL

33h 33m

2 stops

$1,284Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

6:00 am - 8:00 pm

STL

NRT

24h 00m

2 stops

2:45 pm - 11:42 pm

NRT

STL

23h 57m

1 stop

$1,285Multiple Airlines

Wed, Sep 23 - Fri, Nov 13

11:10 am - 7:00 pm

STL

HND

41h 50m

2 stops

5:45 pm - 11:37 pm

HND

STL

19h 52m

1 stop

$1,483United Airlines

Tue, Aug 4 - Tue, Aug 11

6:20 am - 1:05 pm

STL

HND

16h 45m

1 stop

6:25 pm - 8:42 pm

HND

STL

16h 17m

1 stop

$1,485Delta

Tue, Aug 4 - Tue, Aug 11

5:10 am - 1:55 pm

STL

HND

18h 45m

2 stops

10:55 pm - 10:09 am

HND

STL

25h 14m

2 stops

$1,488United Airlines

Sun, Jul 26 - Wed, Aug 12

7:00 am - 4:15 pm

STL

HND

19h 15m

2 stops

6:25 pm - 8:42 pm

HND

STL

16h 17m

1 stop

$1,489Delta

Tue, Aug 4 - Tue, Aug 11

7:08 am - 2:15 pm

STL

HND

17h 07m

1 stop

4:05 pm - 10:23 am

HND

STL

32h 18m

1 stop

$1,490Delta

Tue, Jul 28 - Fri, Aug 14

6:00 am - 2:15 pm

STL

HND

18h 15m

1 stop

6:25 pm - 9:37 am

HND

STL

29h 12m

1 stop

$1,491Delta

Sun, Jul 26 - Tue, Aug 4

Japan Airlines flights from St. Louis to Tokyo

Our best Japan Airlines deals on St. Louis to Tokyo flight tickets

Japan Airlines

Aug 4

STL6:55 amLambert-St Louis

16h 30m

1 stop

NRT1:25 pmTokyo Narita

Aug 11

NRT9:45 amTokyo Narita

17h 09m

1 stop

STL12:54 pmLambert-St Louis

$1,385

Japan Airlines

Aug 4

STL6:55 amLambert-St Louis

16h 30m

1 stop

NRT1:25 pmTokyo Narita

Aug 11

NRT9:45 amTokyo Narita

17h 09m

1 stop

STL12:54 pmLambert-St Louis

$1,454

Japan Airlines

Aug 4

STL6:37 amLambert-St Louis

25h 48m

2 stops

NRT10:25 pmTokyo Narita

Aug 11

NRT9:45 amTokyo Narita

17h 09m

1 stop

STL12:54 pmLambert-St Louis

$1,499

United Airlines flights from St. Louis to Tokyo

Our best United Airlines deals on St. Louis to Tokyo flight tickets

United Airlines

Aug 4

STL6:14 amLambert-St Louis

17h 46m

1 stop

NRT2:00 pmTokyo Narita

Aug 11

NRT5:05 pmTokyo Narita

31h 04m

2 stops

STL10:09 amLambert-St Louis

$1,419

United Airlines

Jul 25

STL1:38 pmLambert-St Louis

34h 52m

1 stop

NRT2:30 pmTokyo Narita

Jul 30

NRT8:10 pmTokyo Narita

35h 32m

2 stops

STL5:42 pmLambert-St Louis

$1,427

United Airlines

Aug 4

STL11:10 amLambert-St Louis

41h 50m

2 stops

HND7:00 pmTokyo Haneda

Aug 11

HND5:45 pmTokyo Haneda

19h 52m

1 stop

STL11:37 pmLambert-St Louis

$1,483

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 8/26

8:08 pm-8:00 pm

2 stops33h 52m

Tokyo Narita

Mon 9/7

2:35 pm-10:55 pm

1 stop22h 20m

$1,281

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 10/20

8:10 pm-2:10 pm

2 stops28h 00m

Tokyo Narita

Tue 11/3

2:45 pm-11:42 pm

1 stop23h 57m

$1,283

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 9/1

6:00 am-4:30 pm

1 stop20h 30m

Tokyo Narita

Tue 9/8

9:30 pm-5:03 pm

2 stops33h 33m

$1,284

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 9/23

6:00 am-8:00 pm

2 stops24h 00m

Tokyo Narita

Fri 11/13

2:45 pm-11:42 pm

1 stop23h 57m

$1,285

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 8/4

11:10 am-7:00 pm

2 stops41h 50m

Tokyo Haneda

Tue 8/11

5:45 pm-11:37 pm

1 stop19h 52m

$1,483

Quickest round-trip

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 8/4

6:20 am-1:05 pm

1 stop16h 45m

Tokyo Haneda

Tue 8/11

6:25 pm-8:42 pm

1 stop16h 17m

$1,485

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 7/26

5:10 am-1:55 pm

2 stops18h 45m

Tokyo Haneda

Wed 8/12

10:55 pm-10:09 am

2 stops25h 14m

$1,488

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 8/4

7:00 am-4:15 pm

2 stops19h 15m

Tokyo Haneda

Tue 8/11

6:25 pm-8:42 pm

1 stop16h 17m

$1,489

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 7/28

7:08 am-2:15 pm

1 stop17h 07m

Tokyo Haneda

Fri 8/14

4:05 pm-10:23 am

1 stop32h 18m

$1,490

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 7/26

6:00 am-2:15 pm

1 stop18h 15m

Tokyo Haneda

Tue 8/4

6:25 pm-9:37 am

1 stop29h 12m

$1,491

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between St. Louis and Tokyo?

What is the cheapest month to fly to Tokyo?

The cheapest month to fly to Tokyo from St. Louis is in March. Flight prices, which tend to average around $349, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in March, then May is your next best option. Flight prices from St. Louis to Tokyo during May average around $383.

Can stopping save me money on St. Louis to Tokyo flights?

You could potentially save up to 11% on your flight if you consider stops on a St. Louis to Tokyo flight.

How have St. Louis to Tokyo flight prices changed over time?

As of May 2026, prices for St. Louis to Tokyo flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Tokyo

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Tokyo according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Fastest flight time	15h 56m
Direct flights	None

The fastest flight from St. Louis to Tokyo takes 15h 56m

There are no direct flights from St. Louis to Tokyo. There are no popular flight routes from St. Louis to Tokyo.

Search flight deals

Frequently asked questions about flying 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 56m.
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 May 2026.
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 33% of all bookings. The subsequent popular airlines are Air Canada at 18%, Delta at 16%, and Japan Airlines at 12%.

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
American Airlines	PriceFrom $593	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
Air Canada	PriceFrom $629	Free Cancellation	Rating 7.1 11,002 reviews	Search Air Canada flights
ANA	PriceFrom $703	Free Cancellation	Rating 8.3 1,207 reviews	Search ANA flights
Delta	PriceFrom $727	Free Cancellation	Rating 7.9 8,456 reviews	Search Delta flights
United Airlines	PriceFrom $757	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
Japan Airlines	PriceFrom $846	Free Cancellation	Rating 8.3 1,808 reviews	Search Japan Airlines flights

Hakone

Urayasu

Kawasaki

Chiba

Atami

Kamakura

Izu

Kusatsu

Yokosuka

Yamanouchi

Saitama

Fujiyoshida

Karuizawa

Tsukuba

Kawagoe

Fujisawa

Numazu

Yamanashi

Minakami

Sagamihara

Why use momondo?

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.

An easier way to manage your Tokyo trip

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Fly into one of these airports located in Tokyo

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Cheap flights from St. Louis to Tokyo from $407

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 9/8. 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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Japan Airlines flights from St. Louis to Tokyo

Our best Japan Airlines deals on St. Louis to Tokyo flight tickets

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How to get the cheapest flight ticket from St. Louis to Tokyo

What is the typical price of a round-trip flight between St. Louis and Tokyo?

What is the cheapest month to fly to Tokyo?

Can stopping save me money on St. Louis to Tokyo flights?

How have St. Louis to Tokyo flight prices changed over time?

What is the cheapest airline that flies from Lambert-St Louis to Tokyo?

What airlines fly to Tokyo?

Which airport is the most popular layover for flights between St. Louis and Tokyo?

Which layover airport offers the lowest fares from St. Louis to Tokyo?

Which layover airport has the shortest travel time from St. Louis to Tokyo?

Which layover airport has the shortest connection time from St. Louis to Tokyo?

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

Fastest flight time

Direct flights

Frequently asked questions about flying from St. Louis to Tokyo

Best airlines flying from St. Louis to Tokyo

Compare and see reviews for airlines that fly from St. Louis to Tokyo with momondo

Traveling to a place near Tokyo?

Why use momondo?

An easier way to manage your Tokyo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Japan

Fly into one of these airports located in Tokyo

Airports listed have a maximum distance of 35.1 mi from Tokyo

Fly your favorite airline to Tokyo

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Tokyo

List of cabin classes available on flights landing in Tokyo. Availability may vary depending on flight origin and airline.

Popular cities in Japan

Popular flights according to clicks in the last 7 days on momondo

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