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Cheap flights from St. Louis to Tokyo from $395

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 8/26. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Tokyo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:04 pm - 4:30 pmSTL  Lambert-St Louis-NRT Tokyo Narita
30h 26m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:15 pm - 9:13 pmNRT  Tokyo Narita-STL Lambert-St Louis
41h 58m2 stops Vancouver Intl Chicago O'Hare Intl
$819Air Canada
Tue, Dec 1 - Wed, Dec 9
Air Canada Logo
6:50 pm - 4:30 pmSTL  Lambert-St Louis-NRT Tokyo Narita
30h 40m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:45 pm - 12:06 pmNRT  Tokyo Narita-STL Lambert-St Louis
32h 21m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$824Air Canada
Tue, Nov 24 - Tue, Dec 8
Multiple Airlines Logo
2:40 pm - 10:30 pmSTL  Lambert-St Louis-HND Tokyo Haneda
41h 50m2 stops Toronto Pearson Intl Osaka Kansai Intl
Multiple Airlines Logo
6:05 pm - 2:17 pmHND  Tokyo Haneda-STL Lambert-St Louis
34h 12m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$954Multiple Airlines
Mon, Sep 7 - Mon, Sep 28
Multiple Airlines Logo
2:40 pm - 10:30 pmSTL  Lambert-St Louis-HND Tokyo Haneda
41h 50m2 stops Toronto Pearson Intl Osaka Kansai Intl
Multiple Airlines Logo
6:05 pm - 8:20 pmHND  Tokyo Haneda-STL Lambert-St Louis
16h 15m1 stop Toronto Pearson Intl
$967Multiple Airlines
Mon, Sep 7 - Mon, Sep 28
ANA Logo
6:30 am - 4:30 pmSTL  Lambert-St Louis-NRT Tokyo Narita
43h 00m1 stop Montreal Pierre Elliott Trudeau Intl
ANA Logo
6:45 pm - 3:26 pmNRT  Tokyo Narita-STL Lambert-St Louis
35h 41m1 stop Toronto Pearson Intl
$979ANA
Thu, Feb 4 - Sun, Feb 7
ANA Logo
4:05 pm - 4:30 pmSTL  Lambert-St Louis-NRT Tokyo Narita
33h 25m1 stop Toronto Pearson Intl
ANA Logo
6:45 pm - 3:26 pmNRT  Tokyo Narita-STL Lambert-St Louis
35h 41m1 stop Toronto Pearson Intl
$981ANA
Fri, Feb 5 - Wed, Feb 17
American Airlines Logo
5:00 am - 1:25 pmSTL  Lambert-St Louis-NRT Tokyo Narita
18h 25m1 stop Chicago O'Hare Intl
American Airlines Logo
6:30 pm - 11:42 pmNRT  Tokyo Narita-STL Lambert-St Louis
19h 12m1 stop Dallas/Fort Worth
$1,080American Airlines
Wed, Sep 30 - Wed, Oct 7
American Airlines Logo
7:21 am - 1:25 pmSTL  Lambert-St Louis-NRT Tokyo Narita
16h 04m1 stop Chicago O'Hare Intl
American Airlines Logo
5:20 pm - 9:59 pmNRT  Tokyo Narita-STL Lambert-St Louis
18h 39m2 stops Los Angeles Los Angeles Dallas/Fort Worth
$1,084American Airlines
Wed, Sep 30 - Wed, Oct 7
United Airlines Logo
5:00 am - 3:15 pmSTL  Lambert-St Louis-NRT Tokyo Narita
19h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
5:15 pm - 7:40 pmNRT  Tokyo Narita-STL Lambert-St Louis
17h 25m1 stop Newark
$1,109United Airlines
Tue, Feb 2 - Tue, Feb 16
United Airlines Logo
7:33 am - 3:00 pmSTL  Lambert-St Louis-NRT Tokyo Narita
16h 27m1 stop Chicago O'Hare Intl
United Airlines Logo
5:40 pm - 4:26 pmNRT  Tokyo Narita-STL Lambert-St Louis
13h 46m1 stop Denver Intl
$1,109United Airlines
Tue, Feb 2 - Fri, Feb 19

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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 1
STL7:04 pmLambert-St Louis
30h 26m
2 stops
NRT4:30 pmTokyo Narita
Dec 9
NRT6:15 pmTokyo Narita
41h 58m
2 stops
STL9:13 pmLambert-St Louis
$819
Air Canada
Nov 24
STL6:50 pmLambert-St Louis
30h 40m
2 stops
NRT4:30 pmTokyo Narita
Dec 8
NRT6:45 pmTokyo Narita
32h 21m
2 stops
STL12:06 pmLambert-St Louis
$824
Air Canada
Feb 1
STL11:25 amLambert-St Louis
38h 05m
2 stops
NRT4:30 pmTokyo Narita
Feb 17
NRT6:15 pmTokyo Narita
41h 58m
2 stops
STL9:13 pmLambert-St Louis
$827

American Airlines flights from St. Louis to Tokyo

Our best American Airlines deals on St. Louis to Tokyo flight tickets
American Airlines
Aug 19
STL8:36 amLambert-St Louis
16h 24m
1 stop
NRT3:00 pmTokyo Narita
Aug 26
NRT6:30 pmTokyo Narita
19h 12m
1 stop
STL11:42 pmLambert-St Louis
$1,051
American Airlines
Aug 19
STL9:32 amLambert-St Louis
17h 58m
1 stop
HND5:30 pmTokyo Haneda
Aug 21
HND4:30 pmTokyo Haneda
15h 35m
1 stop
STL6:05 pmLambert-St Louis
$1,140
American Airlines
Aug 28
STL9:32 amLambert-St Louis
17h 58m
1 stop
HND5:30 pmTokyo Haneda
Aug 31
HND4:30 pmTokyo Haneda
17h 56m
1 stop
STL8:26 pmLambert-St Louis
$1,169

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 August 17, 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

Cheapest round-trip

St. LouisTokyo

STL Lambert-St Louis - NRT Tokyo Narita

STLNRT

Lambert-St Louis

Tue 12/1

7:04 pm-4:30 pm

2 stops30h 26m

Tokyo Narita

Wed 12/9

6:15 pm-9:13 pm

2 stops41h 58m

$819

St. LouisTokyo

STL Lambert-St Louis - NRT Tokyo Narita

STLNRT

Lambert-St Louis

Tue 11/24

6:50 pm-4:30 pm

2 stops30h 40m

Tokyo Narita

Tue 12/8

6:45 pm-12:06 pm

2 stops32h 21m

$824

St. LouisTokyo

STL Lambert-St Louis - HND Tokyo Haneda

STLHND

Lambert-St Louis

Mon 9/7

2:40 pm-10:30 pm

2 stops41h 50m

Tokyo Haneda

Mon 9/28

6:05 pm-2:17 pm

2 stops34h 12m

$954

St. LouisTokyo

STL Lambert-St Louis - HND Tokyo Haneda

STLHND

Lambert-St Louis

Mon 9/7

2:40 pm-10:30 pm

2 stops41h 50m

Tokyo Haneda

Mon 9/28

6:05 pm-8:20 pm

1 stop16h 15m

$967

St. LouisTokyo

STL Lambert-St Louis - NRT Tokyo Narita

STLNRT

Lambert-St Louis

Thu 2/4

6:30 am-4:30 pm

1 stop43h 00m

Tokyo Narita

Sun 2/7

6:45 pm-3:26 pm

1 stop35h 41m

$979

St. LouisTokyo

STL Lambert-St Louis - NRT Tokyo Narita

STLNRT

Lambert-St Louis

Fri 2/5

4:05 pm-4:30 pm

1 stop33h 25m

Tokyo Narita

Wed 2/17

6:45 pm-3:26 pm

1 stop35h 41m

$981

St. LouisTokyo

STL Lambert-St Louis - NRT Tokyo Narita

STLNRT

Lambert-St Louis

Wed 9/30

5:00 am-1:25 pm

1 stop18h 25m

Tokyo Narita

Wed 10/7

6:30 pm-11:42 pm

1 stop19h 12m

$1,080

St. LouisTokyo

STL Lambert-St Louis - NRT Tokyo Narita

STLNRT

Lambert-St Louis

Wed 9/30

7:21 am-1:25 pm

1 stop16h 04m

Tokyo Narita

Wed 10/7

5:20 pm-9:59 pm

2 stops18h 39m

$1,084

St. LouisTokyo

STL Lambert-St Louis - NRT Tokyo Narita

STLNRT

Lambert-St Louis

Tue 2/2

5:00 am-3:15 pm

1 stop19h 15m

Tokyo Narita

Tue 2/16

5:15 pm-7:40 pm

1 stop17h 25m

$1,109
Quickest round-trip

St. LouisTokyo

STL Lambert-St Louis - NRT Tokyo Narita

STLNRT

Lambert-St Louis

Tue 2/2

7:33 am-3:00 pm

1 stop16h 27m

Tokyo Narita

Fri 2/19

5:40 pm-4:26 pm

1 stop13h 46m

$1,109

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?

Prices are currently low for flights on this route.

Typical prices usually range from $998 to $1,210.
The lowest price recently found on this route was $819.

What is the cheapest month to fly to Tokyo?

The cheapest month to fly to Tokyo from St. Louis is in February. Flight prices, which tend to average around $802, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in February, then January is your next best option. Flight prices from St. Louis to Tokyo during January average around $898.

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

You could potentially save up to 51% 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 August 2026, prices for St. Louis to Tokyo flights are approximately 1% 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

Best Price Found

$395

Fastest flight time

16h 40m

Direct flights

None
The best one-way flight to Tokyo from St. Louis in the past 72 hours is $395. The best round-trip flight deal from St. Louis to Tokyo found on momondo in the last 72 hours is $819.
The fastest flight from St. Louis to Tokyo takes 16h 40m
There are no direct flights from St. Louis to Tokyo. There are no popular flight routes from St. Louis to Tokyo.
Search flight deals

Frequently asked questions about flying from St. Louis to Tokyo

  • 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 16h 40m.

  • 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
7.1
11,946 reviews
Search American Airlines flights
Air CanadaPriceFrom $667Free CancellationRating
7.1
11,483 reviews
Search Air Canada flights
United AirlinesPriceFrom $697Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights
DeltaPriceFrom $739Free CancellationRating
7.8
8,504 reviews
Search Delta flights
ANAPriceFrom $785Free CancellationRating
8.3
1,298 reviews
Search ANA flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,905 reviews
Search Japan Airlines flights

Traveling to a place near Tokyo?

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

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