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Cheap flights from St. Louis to Tokyo from $456

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 10/13. 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

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Find the cheapest flights from St. Louis to Tokyo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:50 pm - 11:57 am
NRT
-
STL
32h 07m
2 stops
$957Air Canada
Mon, Sep 7 - Mon, Sep 14
Air Canada Logo
5:30 pm - 2:55 pm
STL
-
NRT
31h 25m
2 stops
Air Canada Logo
5:50 pm - 11:57 am
NRT
-
STL
32h 07m
2 stops
$958Air Canada
Mon, Sep 7 - Mon, Sep 14
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:50 pm - 6:41 pm
NRT
-
STL
38h 51m
1 stop
$960Air Canada
Mon, Sep 7 - Mon, Sep 14
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:35 pm - 6:41 pm
NRT
-
STL
39h 06m
1 stop
$961Air Canada
Mon, Aug 24 - Mon, Sep 7
Air Canada Logo
12:10 pm - 2:55 pm
STL
-
NRT
36h 45m
2 stops
Air Canada Logo
5:25 pm - 12:13 pm
NRT
-
STL
32h 48m
2 stops
$962Air Canada
Mon, Sep 14 - Mon, Sep 28
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:25 pm - 2:00 pm
NRT
-
STL
34h 35m
1 stop
$965Air Canada
Mon, Sep 14 - Mon, Sep 28
Air Canada Logo
2:40 pm - 2:55 pm
STL
-
NRT
34h 15m
2 stops
Air Canada Logo
6:45 pm - 12:20 pm
NRT
-
STL
32h 35m
2 stops
$967Air Canada
Wed, Sep 16 - Wed, Dec 9
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:50 pm - 2:00 pm
NRT
-
STL
34h 10m
2 stops
$968Air Canada
Mon, Sep 7 - Mon, Sep 28
Multiple Airlines Logo
8:55 am - 10:35 am
STL
-
HND
35h 40m
2 stops
Multiple Airlines Logo
1:40 pm - 8:00 pm
HND
-
STL
20h 20m
2 stops
$995Multiple Airlines
Tue, Sep 22 - Wed, Oct 7
American Airlines Logo
5:42 am - 2:20 pm
STL
-
HND
18h 38m
1 stop
American Airlines Logo
11:55 am - 10:59 pm
HND
-
STL
25h 04m
1 stop
$1,071American Airlines
Sun, Aug 30 - Tue, Sep 1

Air Canada flights from St. Louis to Tokyo

Our best Air Canada deals on St. Louis to Tokyo flight tickets
Air Canada
Sep 7
STL12:10 pmLambert-St Louis
37h 15m
1 stop
NRT3:25 pmTokyo Narita
Sep 14
NRT5:50 pmTokyo Narita
32h 07m
2 stops
STL11:57 amLambert-St Louis
$957
Air Canada
Sep 7
STL5:30 pmLambert-St Louis
31h 25m
2 stops
NRT2:55 pmTokyo Narita
Sep 14
NRT5:50 pmTokyo Narita
32h 07m
2 stops
STL11:57 amLambert-St Louis
$958
Air Canada
Sep 7
STL12:10 pmLambert-St Louis
37h 15m
1 stop
NRT3:25 pmTokyo Narita
Sep 14
NRT5:50 pmTokyo Narita
38h 51m
1 stop
STL6:41 pmLambert-St Louis
$960

Qatar Airways flights from St. Louis to Tokyo

Our best Qatar Airways deals on St. Louis to Tokyo flight tickets
Qatar Airways
Jun 10
STL6:35 amLambert-St Louis
48h 05m
2 stops
NRT8:40 pmTokyo Narita
Jun 17
NRT10:25 pmTokyo Narita
39h 34m
2 stops
STL11:59 pmLambert-St Louis
$1,593
Qatar Airways
Jun 7
STL6:35 amLambert-St Louis
48h 05m
2 stops
NRT8:40 pmTokyo Narita
Jun 13
NRT10:25 pmTokyo Narita
39h 34m
2 stops
STL11:59 pmLambert-St Louis
$1,749
Qatar Airways
Jun 8
STL6:00 amLambert-St Louis
40h 55m
2 stops
NRT12:55 pmTokyo Narita
Jun 17
NRT10:25 pmTokyo Narita
39h 34m
2 stops
STL11:59 pmLambert-St Louis
$1,957

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 6, 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

Mon 9/7

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Mon 9/14

5:50 pm-11:57 am

2 stops32h 07m

$957

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

5:30 pm-2:55 pm

2 stops31h 25m

Tokyo Narita

Mon 9/14

5:50 pm-11:57 am

2 stops32h 07m

$958

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Mon 9/14

5:50 pm-6:41 pm

1 stop38h 51m

$960

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 8/24

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Mon 9/7

5:35 pm-6:41 pm

1 stop39h 06m

$961

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/14

12:10 pm-2:55 pm

2 stops36h 45m

Tokyo Narita

Mon 9/28

5:25 pm-12:13 pm

2 stops32h 48m

$962

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/14

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Mon 9/28

5:25 pm-2:00 pm

1 stop34h 35m

$965

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 9/16

2:40 pm-2:55 pm

2 stops34h 15m

Tokyo Narita

Wed 12/9

6:45 pm-12:20 pm

2 stops32h 35m

$967

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Mon 9/28

5:50 pm-2:00 pm

2 stops34h 10m

$968

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 9/22

8:55 am-10:35 am

2 stops35h 40m

Tokyo Haneda

Wed 10/7

1:40 pm-8:00 pm

2 stops20h 20m

$995
Quickest round-trip

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 8/30

5:42 am-2:20 pm

1 stop18h 38m

Tokyo Haneda

Tue 9/1

11:55 am-10:59 pm

1 stop25h 04m

$1,071

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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.

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

You could potentially save up to 14% 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

16h 05m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 16h 05m
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 16h 05m.

  • 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
11,651 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
11,129 reviews
Search Air Canada flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
9,777 reviews
Search United Airlines flights
DeltaPriceFrom $739Free CancellationRating
7.8
8,395 reviews
Search Delta flights
ANAPriceFrom $777Free CancellationRating
8.3
1,221 reviews
Search ANA flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,834 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
Atami
Kusatsu
Kamakura
Yamanouchi
Yokosuka
Saitama
Karuizawa
Fujiyoshida
Tsukuba
Kawagoe
Numazu
Fujisawa
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.

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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
Tokyo Haneda Airport
Tokyo Narita Airport