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Cheap flights from St. Louis to Tokyo from $315

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 2/16. 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.
Multiple Airlines Logo
2:50 pm - 4:00 pm
STL
-
NRT
34h 10m
1 stop
Multiple Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
20h 29m
1 stop
$712Multiple Airlines
Fri, Feb 6 - Thu, Feb 19
Air Canada Logo
9:55 am - 4:20 pm
STL
-
NRT
39h 25m
2 stops
Air Canada Logo
6:15 pm - 3:29 pm
NRT
-
STL
36h 14m
2 stops
$729Air Canada
Mon, Feb 23 - Thu, Mar 5
ANA Logo
7:41 am - 9:05 pm
STL
-
HND
22h 24m
1 stop
ANA Logo
6:20 pm - 7:14 pm
HND
-
STL
15h 54m
1 stop
$732ANA
Mon, Feb 23 - Thu, Mar 5
Multiple Airlines Logo
2:51 pm - 2:25 pm
STL
-
NRT
32h 34m
2 stops
Multiple Airlines Logo
2:30 pm - 11:59 pm
NRT
-
STL
24h 29m
1 stop
$732Multiple Airlines
Sat, Feb 21 - Sat, Feb 28
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
American Airlines Logo
5:12 am - 3:30 pm
STL
-
NRT
19h 18m
1 stop
American Airlines Logo
5:30 pm - 10:58 pm
NRT
-
STL
20h 28m
1 stop
$740American Airlines
Mon, Feb 23 - Thu, Mar 5
American Airlines Logo
2:31 pm - 5:05 am
STL
-
HND
23h 34m
2 stops
American Airlines Logo
8:25 pm - 11:48 pm
HND
-
STL
18h 23m
2 stops
$743American Airlines
Mon, Feb 23 - Thu, Mar 5
United Airlines Logo
8:30 am - 4:50 pm
STL
-
HND
17h 20m
1 stop
United Airlines Logo
4:50 pm - 8:23 pm
HND
-
STL
18h 33m
1 stop
$745United Airlines
Tue, Feb 10 - Tue, Feb 17
United Airlines Logo
6:00 am - 3:30 pm
STL
-
NRT
18h 30m
1 stop
United Airlines Logo
5:35 pm - 8:26 pm
NRT
-
STL
17h 51m
1 stop
$747United Airlines
Tue, Feb 10 - Tue, Feb 17
Delta Logo
7:10 am - 5:45 pm
STL
-
HND
19h 35m
2 stops
Delta Logo
5:20 pm - 8:43 pm
HND
-
STL
18h 23m
2 stops
$751Delta
Tue, Feb 10 - Wed, Feb 18

American Airlines flights from St. Louis to Tokyo

Our best American Airlines deals on St. Louis to Tokyo flight tickets
American Airlines
Feb 23
STL2:31 pmLambert-St Louis
23h 34m
2 stops
HND5:05 amTokyo Haneda
Mar 5
HND8:25 pmTokyo Haneda
18h 23m
2 stops
STL11:48 pmLambert-St Louis
$743
American Airlines
Jan 26
STL6:00 amLambert-St Louis
17h 35m
1 stop
HND2:35 pmTokyo Haneda
Feb 4
HND5:55 pmTokyo Haneda
16h 34m
1 stop
STL7:29 pmLambert-St Louis
$784
American Airlines
Mar 8
STL6:38 amLambert-St Louis
18h 27m
1 stop
HND3:05 pmTokyo Haneda
Mar 23
HND8:25 pmTokyo Haneda
17h 33m
1 stop
STL11:58 pmLambert-St Louis
$785

United Airlines flights from St. Louis to Tokyo

Our best United Airlines deals on St. Louis to Tokyo flight tickets
United Airlines
Feb 10
STL8:30 amLambert-St Louis
17h 20m
1 stop
HND4:50 pmTokyo Haneda
Feb 17
HND4:50 pmTokyo Haneda
18h 33m
1 stop
STL8:23 pmLambert-St Louis
$745
United Airlines
Feb 10
STL6:00 amLambert-St Louis
18h 30m
1 stop
NRT3:30 pmTokyo Narita
Feb 17
NRT5:35 pmTokyo Narita
17h 51m
1 stop
STL8:26 pmLambert-St Louis
$747
United Airlines
Feb 10
STL6:00 amLambert-St Louis
22h 15m
2 stops
HND7:15 pmTokyo Haneda
Feb 18
HND4:50 pmTokyo Haneda
18h 33m
1 stop
STL8:23 pmLambert-St Louis
$750

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 24, 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

Fri 2/6

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Thu 2/19

6:30 pm-11:59 pm

1 stop20h 29m

$712

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/23

9:55 am-4:20 pm

2 stops39h 25m

Tokyo Narita

Thu 3/5

6:15 pm-3:29 pm

2 stops36h 14m

$729

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/23

7:41 am-9:05 pm

1 stop22h 24m

Tokyo Haneda

Thu 3/5

6:20 pm-7:14 pm

1 stop15h 54m

$732

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 2/21

2:51 pm-2:25 pm

2 stops32h 34m

Tokyo Narita

Sat 2/28

2:30 pm-11:59 pm

1 stop24h 29m

$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

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/23

5:12 am-3:30 pm

1 stop19h 18m

Tokyo Narita

Thu 3/5

5:30 pm-10:58 pm

1 stop20h 28m

$740

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/23

2:31 pm-5:05 am

2 stops23h 34m

Tokyo Haneda

Thu 3/5

8:25 pm-11:48 pm

2 stops18h 23m

$743

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 2/10

8:30 am-4:50 pm

1 stop17h 20m

Tokyo Haneda

Tue 2/17

4:50 pm-8:23 pm

1 stop18h 33m

$745

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/10

6:00 am-3:30 pm

1 stop18h 30m

Tokyo Narita

Tue 2/17

5:35 pm-8:26 pm

1 stop17h 51m

$747

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 2/10

7:10 am-5:45 pm

2 stops19h 35m

Tokyo Haneda

Wed 2/18

5:20 pm-8:43 pm

2 stops18h 23m

$751

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 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 $747, 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 27% 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 14m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 14m
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 14m.

  • 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
11,193 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,652 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $691Free CancellationRating
8.3
1,692 reviews
Search Japan Airlines flights
ANAPriceFrom $703Free CancellationRating
8.4
1,078 reviews
Search ANA flights
DeltaPriceFrom $711Free CancellationRating
7.9
8,112 reviews
Search Delta flights
United AirlinesPriceFrom $716Free CancellationRating
7.4
9,193 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
Yokosuka
Yamanouchi
Kamakura
Saitama
Fujiyoshida
Izu
Fujisawa
Kawagoe
Tsukuba
Numazu
Yamanashi
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