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Cheap flights from St. Louis to Tokyo from $327

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 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
United Airlines Logo
5:24 pm - 5:45 pmSTL-HND
33h 21m1 stop
United Airlines Logo
4:25 pm - 4:27 pmHND-STL
15h 02m1 stop
$774United Airlines
Find Deal
Sun, Nov 9 - Wed, Nov 12
United Airlines Logo
6:43 pm - 9:05 pmSTL-HND
35h 22m1 stop
United Airlines Logo
7:40 pm - 9:54 pmHND-STL
17h 14m2 stops
$778United Airlines
Find Deal
Sun, Nov 9 - Wed, Nov 12
Air Canada Logo
6:42 pm - 4:40 pmSTL-HND
30h 58m2 stops
Air Canada Logo
6:50 pm - 3:29 pmHND-STL
35h 39m1 stop
$779Air Canada
Find Deal
Fri, Dec 5 - Fri, Dec 19
Air Canada Logo
4:05 pm - 4:40 pmSTL-HND
33h 35m1 stop
Air Canada Logo
6:50 pm - 3:29 pmHND-STL
35h 39m1 stop
$780Air Canada
Find Deal
Sun, Dec 7 - Sun, Dec 14
Air Canada Logo
4:05 pm - 4:20 pmSTL-NRT
33h 15m2 stops
Air Canada Logo
6:45 pm - 3:29 pmNRT-STL
35h 44m2 stops
$780Air Canada
Find Deal
Mon, Dec 1 - Mon, Dec 8
Delta Logo
5:56 pm - 3:20 pmSTL-HND
30h 24m2 stops
Delta Logo
4:50 pm - 11:10 pmHND-STL
21h 20m2 stops
$786Delta
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Fri, Feb 6 - Sun, Feb 15
Delta Logo
10:19 am - 5:45 pmSTL-HND
16h 26m1 stop
Delta Logo
4:25 pm - 4:55 pmHND-STL
15h 30m1 stop
$796Delta
Find Deal
Sun, Feb 8 - Mon, Mar 2
American Airlines Logo
5:17 am - 3:30 pmSTL-NRT
19h 13m1 stop
American Airlines Logo
5:00 pm - 9:15 pmNRT-STL
19h 15m1 stop
$845American Airlines
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Mon, Dec 1 - Tue, Feb 10
American Airlines Logo
5:17 am - 3:30 pmSTL-NRT
19h 13m1 stop
American Airlines Logo
5:05 pm - 11:59 pmNRT-STL
21h 54m1 stop
$846American Airlines
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Mon, Dec 1 - Tue, Feb 10
Japan Airlines Logo
6:00 am - 2:40 pmSTL-NRT
17h 40m1 stop
Japan Airlines Logo
6:10 pm - 11:59 pmNRT-STL
20h 49m1 stop
$879Japan Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8

American Airlines flights from St. Louis to Tokyo

Our best American Airlines deals on St. Louis to Tokyo flight tickets
American Airlines
Dec 1
STL5:17 amLambert-St Louis
19h 13m
1 stop
NRT3:30 pmTokyo Narita
Feb 10
NRT5:00 pmTokyo Narita
19h 15m
1 stop
STL9:15 pmLambert-St Louis
$845
Find similar
American Airlines
Dec 1
STL5:17 amLambert-St Louis
19h 13m
1 stop
NRT3:30 pmTokyo Narita
Feb 10
NRT5:05 pmTokyo Narita
21h 54m
1 stop
STL11:59 pmLambert-St Louis
$846
Find similar
American Airlines
Jan 1
STL7:00 amLambert-St Louis
17h 30m
1 stop
NRT3:30 pmTokyo Narita
Jan 15
NRT5:05 pmTokyo Narita
21h 54m
1 stop
STL11:59 pmLambert-St Louis
$867
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Air Canada flights from St. Louis to Tokyo

Our best Air Canada deals on St. Louis to Tokyo flight tickets
Air Canada
Dec 5
STL6:42 pmLambert-St Louis
30h 58m
2 stops
HND4:40 pmTokyo Haneda
Dec 19
HND6:50 pmTokyo Haneda
35h 39m
1 stop
STL3:29 pmLambert-St Louis
$779
Find similar
Air Canada
Dec 1
STL4:05 pmLambert-St Louis
33h 15m
2 stops
NRT4:20 pmTokyo Narita
Dec 8
NRT6:45 pmTokyo Narita
35h 44m
2 stops
STL3:29 pmLambert-St Louis
$780
Find similar
Air Canada
Dec 7
STL4:05 pmLambert-St Louis
33h 35m
1 stop
HND4:40 pmTokyo Haneda
Dec 14
HND6:50 pmTokyo Haneda
35h 39m
1 stop
STL3:29 pmLambert-St Louis
$781
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 October 30, 2025.
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

Sun 11/9

5:24 pm-5:45 pm

1 stop33h 21m

Tokyo Haneda

Wed 11/12

4:25 pm-4:27 pm

1 stop15h 02m

$774

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 11/9

6:43 pm-9:05 pm

1 stop35h 22m

Tokyo Haneda

Wed 11/12

7:40 pm-9:54 pm

2 stops17h 14m

$778

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Fri 12/5

6:42 pm-4:40 pm

2 stops30h 58m

Tokyo Haneda

Fri 12/19

6:50 pm-3:29 pm

1 stop35h 39m

$779

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 12/7

4:05 pm-4:40 pm

1 stop33h 35m

Tokyo Haneda

Sun 12/14

6:50 pm-3:29 pm

1 stop35h 39m

$780

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 12/1

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Mon 12/8

6:45 pm-3:29 pm

2 stops35h 44m

$780

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Fri 2/6

5:56 pm-3:20 pm

2 stops30h 24m

Tokyo Haneda

Sun 2/15

4:50 pm-11:10 pm

2 stops21h 20m

$786

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 2/8

10:19 am-5:45 pm

1 stop16h 26m

Tokyo Haneda

Mon 3/2

4:25 pm-4:55 pm

1 stop15h 30m

$796

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 12/1

5:17 am-3:30 pm

1 stop19h 13m

Tokyo Narita

Tue 2/10

5:00 pm-9:15 pm

1 stop19h 15m

$845

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 12/1

5:17 am-3:30 pm

1 stop19h 13m

Tokyo Narita

Tue 2/10

5:05 pm-11:59 pm

1 stop21h 54m

$846

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 12/1

6:00 am-2:40 pm

1 stop17h 40m

Tokyo Narita

Mon 12/8

6:10 pm-11:59 pm

1 stop20h 49m

$879

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $733, 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.

What is the cheapest day to depart on your flight to Tokyo?

The cheapest day to depart on your flight to Tokyo is on a Wednesday when prices can be found for as low as $1,209. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Tokyo on a Friday will generally be more expensive and average around $1,457. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Tokyo?

At noon is the cheapest time of day to fly from St. Louis to Tokyo when you can find flight prices for as low as $1,103. Flying to Tokyo at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Tokyo is in the morning when prices are around $1,308.

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 October 2025, prices for St. Louis to Tokyo flights are approximately 26% 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

Direct flights

None
There are no direct flights from St. Louis to Tokyo. There are no popular flight routes from St. Louis to Tokyo.
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  • 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 30m.

  • 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
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,378 reviews
Search Air Canada flights
American AirlinesPriceFrom $633Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
ANAPriceFrom $703Free CancellationRating
8.4
998 reviews
Search ANA flights
Japan AirlinesPriceFrom $703Free CancellationRating
8.3
1,596 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $716Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $722Free CancellationRating
7.9
7,993 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
Kamakura
Yokosuka
Kusatsu
Yamanouchi
Saitama
Izu
Fujiyoshida
Fujisawa
Kawagoe
Tsukuba
Numazu
Karuizawa
Yamanashi
Minakami
Fuefuki

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