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Cheap flights from St. Louis to Tokyo from $297

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 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Hawaiian Airlines Logo
7:00 am - 4:00 pm
STL
-
NRT
18h 00m
1 stop
Hawaiian Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
20h 29m
1 stop
$641Hawaiian Airlines
Tue, Feb 24 - Fri, Feb 27
Hawaiian Airlines Logo
7:00 am - 4:00 pm
STL
-
NRT
18h 00m
1 stop
Hawaiian Airlines Logo
6:30 pm - 1:51 pm
NRT
-
STL
33h 21m
1 stop
$643Hawaiian Airlines
Sun, Feb 22 - Tue, Mar 10
Multiple Airlines Logo
2:50 pm - 4:00 pm
STL
-
NRT
34h 10m
1 stop
Multiple Airlines Logo
6:30 pm - 1:51 pm
NRT
-
STL
34h 21m
1 stop
$660Multiple Airlines
Tue, Feb 3 - Wed, Feb 11
Multiple Airlines Logo
6:19 pm - 4:00 pm
STL
-
NRT
30h 41m
1 stop
Multiple Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
20h 29m
1 stop
$661Multiple Airlines
Sat, Feb 7 - Thu, Feb 26
Multiple Airlines Logo
2:47 pm - 4:00 pm
STL
-
NRT
35h 13m
1 stop
Multiple Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
19h 29m
1 stop
$662Multiple Airlines
Mon, Mar 9 - Thu, Mar 26
Air Canada Logo
4:05 pm - 4:40 pm
STL
-
HND
33h 35m
1 stop
Air Canada Logo
6:50 pm - 10:36 am
HND
-
STL
30h 46m
2 stops
$685Air Canada
Mon, Feb 9 - Fri, Feb 27
Air Canada Logo
6:40 pm - 4:40 pm
STL
-
HND
31h 00m
2 stops
Air Canada Logo
6:50 pm - 10:36 am
HND
-
STL
30h 46m
2 stops
$689Air Canada
Mon, Feb 9 - Fri, Feb 27
United Airlines Logo
6:25 am - 9:10 pm
STL
-
HND
23h 45m
2 stops
United Airlines Logo
7:40 pm - 11:34 pm
HND
-
STL
17h 54m
2 stops
$729United Airlines
Sun, Feb 22 - Tue, Mar 10
ANA Logo
6:30 am - 5:45 pm
STL
-
HND
20h 15m
1 stop
ANA Logo
6:20 pm - 7:14 pm
HND
-
STL
15h 54m
1 stop
$732ANA
Wed, Feb 11 - Wed, Feb 18
ANA Logo
8:17 am - 5:45 pm
STL
-
HND
18h 28m
1 stop
ANA Logo
6:20 pm - 10:36 am
HND
-
STL
31h 16m
1 stop
$737ANA
Mon, Feb 23 - Thu, Mar 5

Hawaiian Airlines flights from St. Louis to Tokyo

Our best Hawaiian Airlines deals on St. Louis to Tokyo flight tickets
Hawaiian Airlines
Feb 24
STL7:00 amLambert-St Louis
18h 00m
1 stop
NRT4:00 pmTokyo Narita
Feb 27
NRT6:30 pmTokyo Narita
20h 29m
1 stop
STL11:59 pmLambert-St Louis
$641
Hawaiian Airlines
Feb 22
STL7:00 amLambert-St Louis
18h 00m
1 stop
NRT4:00 pmTokyo Narita
Mar 10
NRT6:30 pmTokyo Narita
33h 21m
1 stop
STL1:51 pmLambert-St Louis
$643

United Airlines flights from St. Louis to Tokyo

Our best United Airlines deals on St. Louis to Tokyo flight tickets
United Airlines
Feb 22
STL6:25 amLambert-St Louis
23h 45m
2 stops
HND9:10 pmTokyo Haneda
Mar 10
HND6:25 pmTokyo Haneda
19h 26m
1 stop
STL11:51 pmLambert-St Louis
$729
United Airlines
Feb 22
STL6:00 amLambert-St Louis
18h 30m
1 stop
NRT3:30 pmTokyo Narita
Mar 10
NRT4:45 pmTokyo Narita
18h 22m
2 stops
STL9:07 pmLambert-St Louis
$730
United Airlines
Feb 8
STL9:57 amLambert-St Louis
16h 48m
1 stop
HND5:45 pmTokyo Haneda
Feb 26
HND6:20 pmTokyo Haneda
18h 20m
1 stop
STL9:40 pmLambert-St Louis
$745

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 January 14, 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

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/24

7:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

Fri 2/27

6:30 pm-11:59 pm

1 stop20h 29m

$641

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 2/22

7:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

Tue 3/10

6:30 pm-1:51 pm

1 stop33h 21m

$643

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/3

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Wed 2/11

6:30 pm-1:51 pm

1 stop34h 21m

$660

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 2/7

6:19 pm-4:00 pm

1 stop30h 41m

Tokyo Narita

Thu 2/26

6:30 pm-11:59 pm

1 stop20h 29m

$661

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 3/9

2:47 pm-4:00 pm

1 stop35h 13m

Tokyo Narita

Thu 3/26

6:30 pm-11:59 pm

1 stop19h 29m

$662

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/9

4:05 pm-4:40 pm

1 stop33h 35m

Tokyo Haneda

Fri 2/27

6:50 pm-10:36 am

2 stops30h 46m

$685

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/9

6:40 pm-4:40 pm

2 stops31h 00m

Tokyo Haneda

Fri 2/27

6:50 pm-10:36 am

2 stops30h 46m

$689

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 2/22

6:25 am-9:10 pm

2 stops23h 45m

Tokyo Haneda

Tue 3/10

7:40 pm-11:34 pm

2 stops17h 54m

$729

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 2/11

6:30 am-5:45 pm

1 stop20h 15m

Tokyo Haneda

Wed 2/18

6:20 pm-7:14 pm

1 stop15h 54m

$732

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/23

8:17 am-5:45 pm

1 stop18h 28m

Tokyo Haneda

Thu 3/5

6:20 pm-10:36 am

1 stop31h 16m

$737

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 September. Flight prices, which tend to average around $734, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in September, then January is your next best option. Flight prices from St. Louis to Tokyo during January average around $793.

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

You could potentially save up to 16% 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 January 2026, prices for St. Louis to Tokyo flights are approximately 22% 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 51m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 51m
There are no direct flights from St. Louis to Tokyo. There are no popular flight routes from St. Louis to Tokyo.
Search flight deals

  • 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 51m.

  • 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
7.2
11,129 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,622 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $691Free CancellationRating
8.3
1,685 reviews
Search Japan Airlines flights
ANAPriceFrom $703Free CancellationRating
8.4
1,072 reviews
Search ANA flights
DeltaPriceFrom $722Free CancellationRating
7.9
8,048 reviews
Search Delta flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights

Traveling to a place near Tokyo?

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