Cheap flights from St. Louis to Tokyo from $458

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 7/28. 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.
Multiple Airlines Logo
3:04 pm - 4:00 pm
STL
-
NRT
34h 56m
1 stop
Multiple Airlines Logo
6:00 pm - 11:59 pm
NRT
-
STL
19h 59m
1 stop
$887Multiple Airlines
Tue, Sep 1 - Thu, Sep 10
ANA Logo
12:59 pm - 9:15 pm
STL
-
HND
18h 16m
1 stop
ANA Logo
5:15 pm - 6:16 pm
HND
-
STL
15h 01m
1 stop
$892ANA
Sun, Sep 13 - Wed, Sep 23
American Airlines Logo
5:42 am - 2:20 pm
STL
-
HND
18h 38m
1 stop
American Airlines Logo
4:30 pm - 6:05 pm
HND
-
STL
15h 35m
1 stop
$897American Airlines
Tue, Sep 1 - Tue, Sep 8
ANA Logo
5:10 am - 2:45 pm
STL
-
NRT
19h 35m
1 stop
ANA Logo
5:00 pm - 9:31 pm
NRT
-
STL
18h 31m
1 stop
$897ANA
Sun, Sep 13 - Wed, Sep 23
United Airlines Logo
5:00 am - 9:05 pm
STL
-
HND
25h 05m
1 stop
United Airlines Logo
6:20 pm - 11:09 pm
HND
-
STL
19h 49m
1 stop
$898United Airlines
Tue, Nov 3 - Thu, Nov 12
United Airlines Logo
9:00 am - 2:30 pm
STL
-
NRT
15h 30m
1 stop
United Airlines Logo
5:25 pm - 11:38 pm
NRT
-
STL
20h 13m
1 stop
$898United Airlines
Tue, Sep 1 - Tue, Sep 8
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
$899Air Canada
Mon, Sep 7 - Mon, Sep 14
American Airlines Logo
5:43 am - 3:50 pm
STL
-
HND
20h 07m
2 stops
American Airlines Logo
4:30 pm - 8:44 pm
HND
-
STL
18h 14m
2 stops
$901American Airlines
Sun, Sep 13 - Wed, Sep 23
Delta Logo
10:29 am - 4:15 pm
STL
-
HND
15h 46m
1 stop
Delta Logo
4:05 pm - 8:35 pm
HND
-
STL
18h 30m
2 stops
$903Delta
Wed, Sep 16 - Wed, Sep 23
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:50 pm - 3:38 pm
NRT
-
STL
35h 48m
2 stops
$906Air Canada
Mon, Sep 7 - Mon, Sep 14

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United Airlines flights from St. Louis to Tokyo

Our best United Airlines deals on St. Louis to Tokyo flight tickets
United Airlines
Nov 3
STL7:33 amLambert-St Louis
22h 32m
1 stop
HND9:05 pmTokyo Haneda
Nov 10
HND6:25 pmTokyo Haneda
18h 45m
1 stop
STL10:10 pmLambert-St Louis
$898
United Airlines
Sep 16
STL8:35 amLambert-St Louis
16h 50m
1 stop
NRT3:25 pmTokyo Narita
Sep 23
NRT5:05 pmTokyo Narita
17h 33m
2 stops
STL8:38 pmLambert-St Louis
$902
United Airlines
Nov 1
STL7:04 pmLambert-St Louis
31h 41m
1 stop
HND5:45 pmTokyo Haneda
Nov 12
HND6:25 pmTokyo Haneda
17h 09m
2 stops
STL8:34 pmLambert-St Louis
$908

Delta flights from St. Louis to Tokyo

Our best Delta deals on St. Louis to Tokyo flight tickets
Delta
Sep 16
STL10:29 amLambert-St Louis
15h 46m
1 stop
HND4:15 pmTokyo Haneda
Sep 23
HND4:05 pmTokyo Haneda
18h 30m
2 stops
STL8:35 pmLambert-St Louis
$903
Delta
Aug 17
STL6:20 amLambert-St Louis
16h 45m
1 stop
HND1:05 pmTokyo Haneda
Sep 1
HND3:15 pmTokyo Haneda
17h 12m
1 stop
STL6:27 pmLambert-St Louis
$993
Delta
Aug 22
STL5:33 pmLambert-St Louis
30h 42m
1 stop
HND2:15 pmTokyo Haneda
Nov 24
HND5:15 pmTokyo Haneda
21h 03m
1 stop
STL11:18 pmLambert-St Louis
$999

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 July 1, 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

Tue 9/1

3:04 pm-4:00 pm

1 stop34h 56m

Tokyo Narita

Thu 9/10

6:00 pm-11:59 pm

1 stop19h 59m

$887
Quickest round-trip

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 9/13

12:59 pm-9:15 pm

1 stop18h 16m

Tokyo Haneda

Wed 9/23

5:15 pm-6:16 pm

1 stop15h 01m

$892

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 9/1

5:42 am-2:20 pm

1 stop18h 38m

Tokyo Haneda

Tue 9/8

4:30 pm-6:05 pm

1 stop15h 35m

$897

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/13

5:10 am-2:45 pm

1 stop19h 35m

Tokyo Narita

Wed 9/23

5:00 pm-9:31 pm

1 stop18h 31m

$897

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 11/3

5:00 am-9:05 pm

1 stop25h 05m

Tokyo Haneda

Thu 11/12

6:20 pm-11:09 pm

1 stop19h 49m

$898

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 9/1

9:00 am-2:30 pm

1 stop15h 30m

Tokyo Narita

Tue 9/8

5:25 pm-11:38 pm

1 stop20h 13m

$898

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

$899

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 9/13

5:43 am-3:50 pm

2 stops20h 07m

Tokyo Haneda

Wed 9/23

4:30 pm-8:44 pm

2 stops18h 14m

$901

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 9/16

10:29 am-4:15 pm

1 stop15h 46m

Tokyo Haneda

Wed 9/23

4:05 pm-8:35 pm

2 stops18h 30m

$903

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-3:38 pm

2 stops35h 48m

$906

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.

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 July 2026, prices for St. Louis to Tokyo flights are approximately 26% 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 30m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 30m
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 30m.

  • 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
11,766 reviews
Search American Airlines flights
Air CanadaPriceFrom $667Free CancellationRating
7.1
11,283 reviews
Search Air Canada flights
DeltaPriceFrom $739Free CancellationRating
7.8
8,454 reviews
Search Delta flights
United AirlinesPriceFrom $757Free CancellationRating
7.4
9,910 reviews
Search United Airlines flights
ANAPriceFrom $785Free CancellationRating
8.3
1,260 reviews
Search ANA flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,853 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
Yamanouchi
Kamakura
Yokosuka
Saitama
Karuizawa
Tsukuba
Fujiyoshida
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.

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1 adult
Fri 7/31
Fri 8/7

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