Cheap flights from St. Louis to Tokyo from $520

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

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.
ANA Logo
8:50 am - 9:15 pm
STL
-
HND
22h 25m
1 stop
ANA Logo
5:15 pm - 11:57 am
HND
-
STL
32h 42m
1 stop
$895ANA
Wed, Sep 9 - Wed, Sep 16
American Airlines Logo
7:00 am - 2:20 pm
STL
-
HND
17h 20m
1 stop
American Airlines Logo
11:55 am - 11:40 pm
HND
-
STL
25h 45m
1 stop
$897American Airlines
Wed, Sep 9 - Wed, Sep 23
United Airlines Logo
6:15 am - 2:00 pm
STL
-
NRT
17h 45m
1 stop
United Airlines Logo
4:30 pm - 4:34 pm
NRT
-
STL
14h 04m
1 stop
$898United Airlines
Tue, Sep 1 - Fri, Sep 11
Delta Logo
7:00 am - 2:15 pm
STL
-
HND
17h 15m
1 stop
Delta Logo
6:25 pm - 8:35 pm
HND
-
STL
16h 10m
1 stop
$898Delta
Tue, Sep 1 - Tue, Sep 8
American Airlines Logo
5:00 am - 2:20 pm
STL
-
HND
19h 20m
2 stops
American Airlines Logo
11:55 am - 4:40 pm
HND
-
STL
18h 45m
2 stops
$901American Airlines
Wed, Sep 9 - Wed, Sep 23
United Airlines Logo
8:15 pm - 7:15 pm
STL
-
HND
32h 00m
2 stops
United Airlines Logo
9:55 pm - 6:38 pm
HND
-
STL
35h 43m
2 stops
$903United Airlines
Sun, Nov 1 - Thu, Nov 12
United Airlines Logo
5:10 am - 4:30 pm
STL
-
NRT
21h 20m
2 stops
United Airlines Logo
5:25 pm - 11:38 pm
NRT
-
STL
20h 13m
1 stop
$903United Airlines
Wed, Sep 9 - Wed, Sep 16
United Airlines Logo
8:15 pm - 9:05 pm
STL
-
HND
33h 50m
1 stop
United Airlines Logo
10:25 am - 3:38 pm
HND
-
STL
20h 13m
1 stop
$904United Airlines
Sun, Nov 1 - Thu, Nov 12
American Airlines Logo
6:13 pm - 3:40 pm
STL
-
NRT
30h 27m
1 stop
American Airlines Logo
5:30 pm - 10:29 pm
NRT
-
STL
19h 59m
1 stop
$904American Airlines
Sun, Nov 1 - Thu, Nov 12
Multiple Airlines Logo
6:29 am - 4:00 pm
STL
-
NRT
19h 31m
1 stop
Multiple Airlines Logo
6:00 pm - 11:59 pm
NRT
-
STL
19h 59m
1 stop
$981Multiple Airlines
Sun, Sep 20 - Sun, Sep 27

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Delta flights from St. Louis to Tokyo

Our best Delta deals on St. Louis to Tokyo flight tickets
Delta
Sep 1
STL6:00 amLambert-St Louis
18h 15m
1 stop
HND2:15 pmTokyo Haneda
Sep 11
HND4:05 pmTokyo Haneda
14h 42m
1 stop
STL4:47 pmLambert-St Louis
$898
Delta
Aug 9
STL7:00 amLambert-St Louis
17h 15m
1 stop
HND2:15 pmTokyo Haneda
Sep 23
HND6:25 pmTokyo Haneda
16h 10m
1 stop
STL8:35 pmLambert-St Louis
$993
Delta
Aug 11
STL10:33 amLambert-St Louis
15h 42m
1 stop
HND4:15 pmTokyo Haneda
Sep 23
HND6:25 pmTokyo Haneda
19h 11m
2 stops
STL11:36 pmLambert-St Louis
$998

United Airlines flights from St. Louis to Tokyo

Our best United Airlines deals on St. Louis to Tokyo flight tickets
United Airlines
Sep 1
STL6:15 amLambert-St Louis
17h 45m
1 stop
NRT2:00 pmTokyo Narita
Sep 11
NRT4:30 pmTokyo Narita
14h 04m
1 stop
STL4:34 pmLambert-St Louis
$898
United Airlines
Nov 1
STL8:15 pmLambert-St Louis
32h 00m
2 stops
HND7:15 pmTokyo Haneda
Nov 12
HND9:55 pmTokyo Haneda
35h 43m
2 stops
STL6:38 pmLambert-St Louis
$903
United Airlines
Nov 1
STL8:15 pmLambert-St Louis
33h 50m
1 stop
HND9:05 pmTokyo Haneda
Nov 12
HND10:25 amTokyo Haneda
20h 13m
1 stop
STL3:38 pmLambert-St Louis
$904

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 18, 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 - HND

STLHND

Lambert-St Louis

Wed 9/9

8:50 am-9:15 pm

1 stop22h 25m

Tokyo Haneda

Wed 9/16

5:15 pm-11:57 am

1 stop32h 42m

$895

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 9/9

7:00 am-2:20 pm

1 stop17h 20m

Tokyo Haneda

Wed 9/23

11:55 am-11:40 pm

1 stop25h 45m

$897
Quickest round-trip

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 9/1

6:15 am-2:00 pm

1 stop17h 45m

Tokyo Narita

Fri 9/11

4:30 pm-4:34 pm

1 stop14h 04m

$898

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 9/1

7:00 am-2:15 pm

1 stop17h 15m

Tokyo Haneda

Tue 9/8

6:25 pm-8:35 pm

1 stop16h 10m

$898

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 9/9

5:00 am-2:20 pm

2 stops19h 20m

Tokyo Haneda

Wed 9/23

11:55 am-4:40 pm

2 stops18h 45m

$901

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 11/1

8:15 pm-7:15 pm

2 stops32h 00m

Tokyo Haneda

Thu 11/12

9:55 pm-6:38 pm

2 stops35h 43m

$903

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 9/9

5:10 am-4:30 pm

2 stops21h 20m

Tokyo Narita

Wed 9/16

5:25 pm-11:38 pm

1 stop20h 13m

$903

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 11/1

8:15 pm-9:05 pm

1 stop33h 50m

Tokyo Haneda

Thu 11/12

10:25 am-3:38 pm

1 stop20h 13m

$904

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 11/1

6:13 pm-3:40 pm

1 stop30h 27m

Tokyo Narita

Thu 11/12

5:30 pm-10:29 pm

1 stop19h 59m

$904

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/20

6:29 am-4:00 pm

1 stop19h 31m

Tokyo Narita

Sun 9/27

6:00 pm-11:59 pm

1 stop19h 59m

$981

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 $1,119 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 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

15h 37m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 37m
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 37m.

  • 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
11,689 reviews
Search American Airlines flights
Air CanadaPriceFrom $667Free CancellationRating
7.1
11,215 reviews
Search Air Canada flights
ANAPriceFrom $703Free CancellationRating
8.3
1,243 reviews
Search ANA flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
9,860 reviews
Search United Airlines flights
DeltaPriceFrom $739Free CancellationRating
7.8
8,410 reviews
Search Delta flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,841 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.

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1 adult
Sat 7/18
Sat 7/25

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