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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 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
7:00 am - 4:00 pm
STL
-
NRT
18h 00m1 stop
Multiple Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
19h 29m1 stop
$661Multiple Airlines
Mon, Mar 2 - Thu, Mar 12
Multiple Airlines Logo
2:50 pm - 4:00 pm
STL
-
NRT
34h 10m1 stop
Multiple Airlines Logo
6:30 pm - 1:54 pm
NRT
-
STL
34h 24m1 stop
$665Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
7:00 am - 4:00 pm
STL
-
NRT
19h 00m1 stop
Multiple Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
19h 29m1 stop
$670Multiple Airlines
Mon, Mar 9 - Thu, Mar 26
Multiple Airlines Logo
7:00 am - 4:00 pm
STL
-
NRT
18h 00m1 stop
Multiple Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
20h 29m1 stop
$671Multiple Airlines
Tue, Feb 17 - Fri, Feb 27
Air Canada Logo
9:57 am - 4:20 pm
STL
-
NRT
39h 23m2 stops
Air Canada Logo
6:45 pm - 11:02 am
NRT
-
STL
31h 17m2 stops
$678Air Canada
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
2:50 pm - 4:00 pm
STL
-
NRT
34h 10m1 stop
Multiple Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
20h 29m1 stop
$679Multiple Airlines
Mon, Feb 9 - Fri, Feb 27
Air Canada Logo
6:40 pm - 4:30 pm
STL
-
NRT
30h 50m2 stops
Air Canada Logo
6:45 pm - 11:02 am
NRT
-
STL
31h 17m2 stops
$681Air Canada
Tue, Feb 3 - Tue, Feb 10
Air Canada Logo
4:05 pm - 4:40 pm
STL
-
HND
33h 35m1 stop
Air Canada Logo
6:50 pm - 10:36 am
HND
-
STL
30h 46m2 stops
$685Air Canada
Mon, Feb 9 - Fri, Feb 27
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m2 stops
Air Canada Logo
6:45 pm - 10:36 am
NRT
-
STL
30h 51m2 stops
$686Air Canada
Mon, Feb 9 - Fri, Feb 27
Multiple Airlines Logo
2:50 pm - 4:00 pm
STL
-
NRT
34h 10m1 stop
Multiple Airlines Logo
6:30 pm - 1:54 pm
NRT
-
STL
34h 24m1 stop
$687Multiple Airlines
Tue, Jan 20 - Tue, Jan 27

American Airlines flights from St. Louis to Tokyo

Our best American Airlines deals on St. Louis to Tokyo flight tickets
American Airlines
Feb 23
STL5:12 amLambert-St Louis
19h 18m
1 stop
NRT3:30 pmTokyo Narita
Mar 5
NRT5:30 pmTokyo Narita
20h 28m
1 stop
STL10:58 pmLambert-St Louis
$740
Find similar
American Airlines
Jan 26
STL5:04 pmLambert-St Louis
21h 01m
2 stops
HND5:05 amTokyo Haneda
Feb 4
HND8:25 pmTokyo Haneda
18h 34m
1 stop
STL11:59 pmLambert-St Louis
$750
Find similar
American Airlines
Feb 26
STL7:00 amLambert-St Louis
17h 30m
1 stop
NRT3:30 pmTokyo Narita
Mar 5
NRT5:30 pmTokyo Narita
20h 28m
1 stop
STL10:58 pmLambert-St Louis
$761
Find similar

United Airlines flights from St. Louis to Tokyo

Our best United Airlines deals on St. Louis to Tokyo flight tickets
United Airlines
Jan 26
STL6:45 amLambert-St Louis
17h 35m
1 stop
NRT3:20 pmTokyo Narita
Feb 4
NRT4:15 pmTokyo Narita
20h 45m
1 stop
STL10:00 pmLambert-St Louis
$747
Find similar
United Airlines
Jan 20
STL6:00 amLambert-St Louis
18h 25m
1 stop
HND3:25 pmTokyo Haneda
Jan 27
HND4:25 pmTokyo Haneda
20h 35m
2 stops
STL10:00 pmLambert-St Louis
$750
Find similar
United Airlines
Feb 28
STL8:17 amLambert-St Louis
18h 28m
1 stop
HND5:45 pmTokyo Haneda
Mar 10
HND7:40 pmTokyo Haneda
17h 54m
2 stops
STL11:34 pmLambert-St Louis
$764
Find similar

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 7, 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

Mon 3/2

7:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

Thu 3/12

6:30 pm-11:59 pm

1 stop19h 29m

$661

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/3

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Tue 2/10

6:30 pm-1:54 pm

1 stop34h 24m

$665

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 3/9

7:00 am-4:00 pm

1 stop19h 00m

Tokyo Narita

Thu 3/26

6:30 pm-11:59 pm

1 stop19h 29m

$670

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/17

7:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

Fri 2/27

6:30 pm-11:59 pm

1 stop20h 29m

$671

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/3

9:57 am-4:20 pm

2 stops39h 23m

Tokyo Narita

Tue 2/10

6:45 pm-11:02 am

2 stops31h 17m

$678

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/9

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Fri 2/27

6:30 pm-11:59 pm

1 stop20h 29m

$679

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/3

6:40 pm-4:30 pm

2 stops30h 50m

Tokyo Narita

Tue 2/10

6:45 pm-11:02 am

2 stops31h 17m

$681

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 - NRT

STLNRT

Lambert-St Louis

Mon 2/9

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Fri 2/27

6:45 pm-10:36 am

2 stops30h 51m

$686

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 1/20

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Tue 1/27

6:30 pm-1:54 pm

1 stop34h 24m

$687

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 $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 5% 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 25m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 25m
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 25m.

  • 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
11,095 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,604 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $691Free CancellationRating
8.3
1,671 reviews
Search Japan Airlines flights
ANAPriceFrom $703Free CancellationRating
8.4
1,060 reviews
Search ANA flights
DeltaPriceFrom $722Free CancellationRating
7.9
8,025 reviews
Search Delta flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
9,139 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
Yamanouchi
Yokosuka
Kamakura
Kusatsu
Saitama
Fujiyoshida
Izu
Fujisawa
Kawagoe
Tsukuba
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