Cheap flights from St. Louis to Tokyo from $507

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 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Tokyo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:29 am - 4:00 pm
STL
-
NRT
19h 31m
1 stop
Multiple Airlines Logo
6:00 pm - 2:21 pm
NRT
-
STL
34h 21m
1 stop
$887Multiple Airlines
Sun, Sep 20 - Tue, Sep 29
ANA Logo
8:50 am - 9:15 pm
STL
-
HND
22h 25m
1 stop
ANA Logo
10:40 am - 11:57 am
HND
-
STL
15h 17m
1 stop
$890ANA
Sun, Sep 13 - Wed, Sep 23
ANA Logo
9:30 am - 3:10 pm
STL
-
NRT
15h 40m
1 stop
ANA Logo
5:00 pm - 11:57 am
NRT
-
STL
32h 57m
1 stop
$896ANA
Mon, Sep 7 - Tue, Sep 15
American Airlines Logo
6:30 am - 3:50 pm
STL
-
HND
19h 20m
1 stop
American Airlines Logo
6:00 pm - 11:42 pm
HND
-
STL
20h 42m
1 stop
$897American Airlines
Wed, Sep 30 - Tue, Nov 3
United Airlines Logo
8:00 am - 3:25 pm
STL
-
HND
17h 25m
1 stop
United Airlines Logo
5:15 pm - 7:41 pm
HND
-
STL
16h 26m
1 stop
$898United Airlines
Sun, Sep 20 - Wed, Sep 30
United Airlines Logo
7:33 am - 3:15 pm
STL
-
NRT
16h 42m
1 stop
United Airlines Logo
6:00 pm - 6:06 pm
NRT
-
STL
15h 06m
1 stop
$898United Airlines
Mon, Nov 2 - Thu, Nov 19
American Airlines Logo
6:30 am - 3:50 pm
STL
-
HND
19h 20m
1 stop
American Airlines Logo
6:00 pm - 10:29 pm
HND
-
STL
19h 29m
2 stops
$901American Airlines
Wed, Sep 30 - Tue, Nov 3
Delta Logo
10:29 am - 4:15 pm
STL
-
HND
15h 46m
1 stop
Delta Logo
4:05 pm - 11:36 pm
HND
-
STL
21h 31m
2 stops
$903Delta
Sun, Sep 20 - Tue, Sep 29
United Airlines Logo
7:04 pm - 4:30 pm
STL
-
NRT
30h 26m
2 stops
United Airlines Logo
5:30 pm - 10:10 pm
NRT
-
STL
19h 40m
2 stops
$903United Airlines
Sun, Nov 1 - Wed, Nov 18
United Airlines Logo
7:04 pm - 9:05 pm
STL
-
HND
35h 01m
1 stop
United Airlines Logo
10:25 am - 2:30 pm
HND
-
STL
19h 05m
1 stop
$904United Airlines
Sun, Nov 1 - Thu, Nov 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Delta flights from St. Louis to Tokyo

Our best Delta deals on St. Louis to Tokyo flight tickets
Delta
Sep 20
STL10:29 amLambert-St Louis
15h 46m
1 stop
HND4:15 pmTokyo Haneda
Sep 29
HND4:05 pmTokyo Haneda
21h 31m
2 stops
STL11:36 pmLambert-St Louis
$903
Delta
Aug 11
STL7:45 pmLambert-St Louis
28h 15m
2 stops
HND2:00 pmTokyo Haneda
Sep 29
HND4:05 pmTokyo Haneda
14h 42m
1 stop
STL4:47 pmLambert-St Louis
$998
Delta
Sep 7
STL7:00 amLambert-St Louis
19h 15m
2 stops
HND4:15 pmTokyo Haneda
Sep 14
HND4:05 pmTokyo Haneda
21h 37m
2 stops
STL11:42 pmLambert-St Louis
$1,003

American Airlines flights from St. Louis to Tokyo

Our best American Airlines deals on St. Louis to Tokyo flight tickets
American Airlines
Sep 13
STL5:43 amLambert-St Louis
20h 07m
2 stops
HND3:50 pmTokyo Haneda
Sep 23
HND11:55 amTokyo Haneda
18h 45m
2 stops
STL4:40 pmLambert-St Louis
$901
American Airlines
Aug 16
STL6:36 amLambert-St Louis
17h 44m
1 stop
HND2:20 pmTokyo Haneda
Sep 1
HND7:45 pmTokyo Haneda
17h 14m
1 stop
STL10:59 pmLambert-St Louis
$983
American Airlines
Sep 6
STL6:00 amLambert-St Louis
19h 50m
1 stop
HND3:50 pmTokyo Haneda
Sep 13
HND7:45 pmTokyo Haneda
17h 55m
1 stop
STL11:40 pmLambert-St Louis
$997

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Tokyo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from St. Louis to Tokyo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/20

6:29 am-4:00 pm

1 stop19h 31m

Tokyo Narita

Tue 9/29

6:00 pm-2:21 pm

1 stop34h 21m

$887

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 9/13

8:50 am-9:15 pm

1 stop22h 25m

Tokyo Haneda

Wed 9/23

10:40 am-11:57 am

1 stop15h 17m

$890

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

9:30 am-3:10 pm

1 stop15h 40m

Tokyo Narita

Tue 9/15

5:00 pm-11:57 am

1 stop32h 57m

$896

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 9/30

6:30 am-3:50 pm

1 stop19h 20m

Tokyo Haneda

Tue 11/3

6:00 pm-11:42 pm

1 stop20h 42m

$897

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 9/20

8:00 am-3:25 pm

1 stop17h 25m

Tokyo Haneda

Wed 9/30

5:15 pm-7:41 pm

1 stop16h 26m

$898
Quickest round-trip

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 11/2

7:33 am-3:15 pm

1 stop16h 42m

Tokyo Narita

Thu 11/19

6:00 pm-6:06 pm

1 stop15h 06m

$898

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 9/30

6:30 am-3:50 pm

1 stop19h 20m

Tokyo Haneda

Tue 11/3

6:00 pm-10:29 pm

2 stops19h 29m

$901

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 9/20

10:29 am-4:15 pm

1 stop15h 46m

Tokyo Haneda

Tue 9/29

4:05 pm-11:36 pm

2 stops21h 31m

$903

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 11/1

7:04 pm-4:30 pm

2 stops30h 26m

Tokyo Narita

Wed 11/18

5:30 pm-10:10 pm

2 stops19h 40m

$903

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 11/1

7:04 pm-9:05 pm

1 stop35h 01m

Tokyo Haneda

Thu 11/12

10:25 am-2:30 pm

1 stop19h 05m

$904

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Tokyo from

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 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.

How far in advance should I book a flight from St. Louis to Tokyo?

You are more likely to see cheaper flights to Tokyo from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo for around $1,122 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo from St. Louis for as low as $672 on momondo.

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

You could potentially save up to 13% 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 June 2026, prices for St. Louis to Tokyo flights are approximately 43% cheaper 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 42m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 42m
There are no direct flights from St. Louis to Tokyo. There are no popular flight routes from St. Louis to Tokyo.

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 42m.

  • 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?

  • 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?

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 AirlinesPriceFrom $593Free CancellationRating
7.1
11,740 reviews
Search American Airlines flights
Air CanadaPriceFrom $667Free CancellationRating
7.1
11,242 reviews
Search Air Canada flights
DeltaPriceFrom $739Free CancellationRating
7.8
8,422 reviews
Search Delta flights
United AirlinesPriceFrom $757Free CancellationRating
7.4
9,874 reviews
Search United Airlines flights
ANAPriceFrom $785Free CancellationRating
8.3
1,251 reviews
Search ANA flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,845 reviews
Search Japan Airlines flights

Traveling to a place near Tokyo?

Book flights to Tokyo if you plan to visit one of these locations
Hakone
Urayasu
Izu
Kawasaki
Chiba
Kusatsu
Atami
Kamakura
Yamanouchi
Yokosuka
Saitama
Karuizawa
Fujiyoshida
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

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.
1 adult
Thu 7/23
Thu 7/30

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