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Cheap flights from St. Louis to Tokyo from $341

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 3/24. 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.
ANA Logo
7:41 am - 5:45 pm
STL
-
HND
19h 04m
1 stop
ANA Logo
6:20 pm - 7:14 pm
HND
-
STL
15h 54m
1 stop
$809ANA
Mon, Feb 23 - Thu, Mar 5
American Airlines Logo
5:12 am - 6:30 pm
STL
-
HND
22h 18m
1 stop
American Airlines Logo
5:55 pm - 7:29 pm
HND
-
STL
16h 34m
1 stop
$815American Airlines
Mon, Feb 23 - Thu, Mar 5
Multiple Airlines Logo
7:00 am - 4:00 pm
STL
-
NRT
18h 00m
1 stop
Multiple Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
20h 29m
1 stop
$817Multiple Airlines
Mon, Feb 23 - Thu, Mar 5
Air Canada Logo
4:05 pm - 3:50 pm
STL
-
NRT
33h 45m
1 stop
Air Canada Logo
5:35 pm - 8:05 pm
NRT
-
STL
16h 30m
1 stop
$821Air Canada
Sat, Apr 25 - Fri, May 8
Air Canada Logo
4:05 pm - 3:50 pm
STL
-
NRT
33h 45m
1 stop
Air Canada Logo
5:35 pm - 8:05 pm
NRT
-
STL
16h 30m
1 stop
$822Air Canada
Wed, Apr 29 - Tue, May 12
Multiple Airlines Logo
7:00 am - 4:00 pm
STL
-
NRT
19h 00m
1 stop
Multiple Airlines Logo
6:30 pm - 11:59 pm
NRT
-
STL
19h 29m
1 stop
$828Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
8:17 am - 9:05 pm
STL
-
HND
21h 48m
1 stop
United Airlines Logo
6:20 pm - 9:05 pm
HND
-
STL
17h 45m
1 stop
$834United Airlines
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
7:41 am - 9:05 pm
STL
-
HND
22h 24m
1 stop
United Airlines Logo
4:25 pm - 8:26 pm
HND
-
STL
19h 01m
2 stops
$839United Airlines
Sun, Feb 22 - Thu, Feb 26
Delta Logo
5:50 pm - 3:20 pm
STL
-
HND
30h 30m
2 stops
Delta Logo
5:20 pm - 11:58 pm
HND
-
STL
20h 38m
2 stops
$840Delta
Sat, Feb 28 - Tue, Mar 10
Delta Logo
11:55 am - 2:35 pm
STL
-
HND
35h 40m
1 stop
Delta Logo
4:25 pm - 8:42 pm
HND
-
STL
18h 17m
1 stop
$841Delta
Sat, Feb 28 - Tue, Mar 10

United Airlines flights from St. Louis to Tokyo

Our best United Airlines deals on St. Louis to Tokyo flight tickets
United Airlines
Feb 22
STL9:55 amLambert-St Louis
20h 10m
1 stop
HND9:05 pmTokyo Haneda
Feb 26
HND4:50 pmTokyo Haneda
18h 33m
1 stop
STL8:23 pmLambert-St Louis
$834
United Airlines
Feb 22
STL6:00 amLambert-St Louis
18h 30m
1 stop
NRT3:30 pmTokyo Narita
Feb 26
NRT5:35 pmTokyo Narita
17h 51m
1 stop
STL8:26 pmLambert-St Louis
$836
United Airlines
Feb 22
STL9:55 amLambert-St Louis
16h 50m
1 stop
HND5:45 pmTokyo Haneda
Feb 26
HND4:25 pmTokyo Haneda
19h 40m
2 stops
STL9:05 pmLambert-St Louis
$839

Air Canada flights from St. Louis to Tokyo

Our best Air Canada deals on St. Louis to Tokyo flight tickets
Air Canada
Apr 25
STL4:05 pmLambert-St Louis
33h 45m
1 stop
NRT3:50 pmTokyo Narita
May 8
NRT5:35 pmTokyo Narita
16h 30m
1 stop
STL8:05 pmLambert-St Louis
$821
Air Canada
Apr 29
STL4:05 pmLambert-St Louis
33h 45m
1 stop
NRT3:50 pmTokyo Narita
May 12
NRT5:35 pmTokyo Narita
16h 30m
1 stop
STL8:05 pmLambert-St Louis
$822
Air Canada
Apr 25
STL4:05 pmLambert-St Louis
33h 20m
2 stops
NRT3:25 pmTokyo Narita
May 8
NRT5:35 pmTokyo Narita
16h 30m
1 stop
STL8:05 pmLambert-St Louis
$824

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 February 11, 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 - HND

STLHND

Lambert-St Louis

Mon 2/23

7:41 am-5:45 pm

1 stop19h 04m

Tokyo Haneda

Thu 3/5

6:20 pm-7:14 pm

1 stop15h 54m

$809

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/23

5:12 am-6:30 pm

1 stop22h 18m

Tokyo Haneda

Thu 3/5

5:55 pm-7:29 pm

1 stop16h 34m

$815

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/23

7:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

Thu 3/5

6:30 pm-11:59 pm

1 stop20h 29m

$817

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 4/25

4:05 pm-3:50 pm

1 stop33h 45m

Tokyo Narita

Fri 5/8

5:35 pm-8:05 pm

1 stop16h 30m

$821

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 4/29

4:05 pm-3:50 pm

1 stop33h 45m

Tokyo Narita

Tue 5/12

5:35 pm-8:05 pm

1 stop16h 30m

$822

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 3/9

7:00 am-4:00 pm

1 stop19h 00m

Tokyo Narita

Mon 3/16

6:30 pm-11:59 pm

1 stop19h 29m

$828

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 2/22

8:17 am-9:05 pm

1 stop21h 48m

Tokyo Haneda

Thu 2/26

6:20 pm-9:05 pm

1 stop17h 45m

$834

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 2/22

7:41 am-9:05 pm

1 stop22h 24m

Tokyo Haneda

Thu 2/26

4:25 pm-8:26 pm

2 stops19h 01m

$839

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 2/28

5:50 pm-3:20 pm

2 stops30h 30m

Tokyo Haneda

Tue 3/10

5:20 pm-11:58 pm

2 stops20h 38m

$840

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 2/28

11:55 am-2:35 pm

1 stop35h 40m

Tokyo Haneda

Tue 3/10

4:25 pm-8:42 pm

1 stop18h 17m

$841

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 January. Flight prices, which tend to average around $725, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in January, then September is your next best option. Flight prices from St. Louis to Tokyo during September average around $750.

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

You could potentially save up to 34% 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 February 2026, prices for St. Louis to Tokyo flights are approximately 73% 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 24m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 24m
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 24m.

  • 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
11,266 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,705 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $691Free CancellationRating
8.3
1,701 reviews
Search Japan Airlines flights
ANAPriceFrom $703Free CancellationRating
8.4
1,090 reviews
Search ANA flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
9,274 reviews
Search United Airlines flights
DeltaPriceFrom $738Free CancellationRating
7.9
8,180 reviews
Search Delta 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
Izu
Fujiyoshida
Kawagoe
Fujisawa
Tsukuba
Karuizawa
Yamanashi
Numazu
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