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Cheap flights from St. Louis to Tokyo from $388

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 5/4. 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.
Multiple Airlines Logo
3:33 pm - 8:00 pm
STL
-
NRT
38h 27m
2 stops
Multiple Airlines Logo
2:35 pm - 11:08 pm
NRT
-
STL
22h 33m
1 stop
$1,071Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Air Canada Logo
8:55 am - 3:40 pm
STL
-
HND
16h 45m
1 stop
Air Canada Logo
6:05 pm - 8:37 am
HND
-
STL
28h 32m
2 stops
$1,073Air Canada
Mon, Sep 14 - Thu, Sep 24
Multiple Airlines Logo
3:33 pm - 8:00 pm
STL
-
NRT
38h 27m
2 stops
Multiple Airlines Logo
2:35 pm - 11:08 pm
NRT
-
STL
22h 33m
1 stop
$1,079Multiple Airlines
Fri, Aug 21 - Mon, Aug 31
Air Canada Logo
2:40 pm - 3:50 pm
STL
-
NRT
35h 10m
1 stop
Air Canada Logo
5:50 pm - 2:00 pm
NRT
-
STL
34h 10m
2 stops
$1,080Air Canada
Sat, Sep 12 - Sun, Sep 20
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:35 pm - 6:42 pm
NRT
-
STL
39h 07m
1 stop
$1,084Air Canada
Mon, Aug 17 - Sat, Sep 5
Air Canada Logo
8:55 am - 3:40 pm
STL
-
HND
16h 45m
1 stop
Air Canada Logo
6:05 pm - 2:00 pm
HND
-
STL
33h 55m
1 stop
$1,085Air Canada
Tue, Sep 22 - Wed, Oct 7
Air Canada Logo
8:55 am - 3:40 pm
STL
-
HND
16h 45m
1 stop
Air Canada Logo
6:05 pm - 8:00 pm
HND
-
STL
15h 55m
1 stop
$1,086Air Canada
Tue, Sep 22 - Wed, Oct 7
Air Canada Logo
6:49 pm - 3:40 pm
STL
-
NRT
30h 51m
2 stops
Air Canada Logo
5:25 pm - 2:00 pm
NRT
-
STL
34h 35m
1 stop
$1,087Air Canada
Mon, Oct 5 - Mon, Oct 19
Air Canada Logo
8:55 am - 3:40 pm
STL
-
HND
16h 45m
1 stop
Air Canada Logo
6:05 pm - 8:00 pm
HND
-
STL
15h 55m
1 stop
$1,090Air Canada
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
8:08 pm - 8:00 pm
STL
-
NRT
33h 52m
2 stops
Multiple Airlines Logo
2:35 pm - 11:08 pm
NRT
-
STL
22h 33m
1 stop
$1,092Multiple Airlines
Wed, Aug 5 - Fri, Aug 28

Air Canada flights from St. Louis to Tokyo

Our best Air Canada deals on St. Louis to Tokyo flight tickets
Air Canada
Sep 12
STL2:40 pmLambert-St Louis
35h 10m
1 stop
NRT3:50 pmTokyo Narita
Sep 20
NRT5:50 pmTokyo Narita
34h 10m
2 stops
STL2:00 pmLambert-St Louis
$1,080
Air Canada
Aug 17
STL12:10 pmLambert-St Louis
37h 15m
1 stop
NRT3:25 pmTokyo Narita
Sep 5
NRT5:35 pmTokyo Narita
39h 07m
1 stop
STL6:42 pmLambert-St Louis
$1,084
Air Canada
Oct 5
STL6:49 pmLambert-St Louis
30h 51m
2 stops
NRT3:40 pmTokyo Narita
Oct 19
NRT5:25 pmTokyo Narita
34h 35m
1 stop
STL2:00 pmLambert-St Louis
$1,087

Qatar Airways flights from St. Louis to Tokyo

Our best Qatar Airways deals on St. Louis to Tokyo flight tickets
Qatar Airways
May 13
STL6:00 amLambert-St Louis
51h 55m
2 stops
HND11:55 pmTokyo Haneda
May 22
HND10:50 pmTokyo Haneda
39h 04m
2 stops
STL11:54 pmLambert-St Louis
$1,279
Qatar Airways
May 13
STL6:00 amLambert-St Louis
51h 55m
2 stops
HND11:55 pmTokyo Haneda
May 22
HND10:50 pmTokyo Haneda
39h 04m
2 stops
STL11:54 pmLambert-St Louis
$1,290
Qatar Airways
Apr 22
STL7:00 amLambert-St Louis
46h 35m
2 stops
NRT7:35 pmTokyo Narita
Apr 29
NRT10:25 pmTokyo Narita
37h 59m
2 stops
STL10:24 pmLambert-St Louis
$1,318

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 April 13, 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 - NRT

STLNRT

Lambert-St Louis

Tue 9/1

3:33 pm-8:00 pm

2 stops38h 27m

Tokyo Narita

Tue 9/8

2:35 pm-11:08 pm

1 stop22h 33m

$1,071

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 9/14

8:55 am-3:40 pm

1 stop16h 45m

Tokyo Haneda

Thu 9/24

6:05 pm-8:37 am

2 stops28h 32m

$1,073

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Fri 8/21

3:33 pm-8:00 pm

2 stops38h 27m

Tokyo Narita

Mon 8/31

2:35 pm-11:08 pm

1 stop22h 33m

$1,079

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 9/12

2:40 pm-3:50 pm

1 stop35h 10m

Tokyo Narita

Sun 9/20

5:50 pm-2:00 pm

2 stops34h 10m

$1,080

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 8/17

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Sat 9/5

5:35 pm-6:42 pm

1 stop39h 07m

$1,084

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 9/22

8:55 am-3:40 pm

1 stop16h 45m

Tokyo Haneda

Wed 10/7

6:05 pm-2:00 pm

1 stop33h 55m

$1,085
Quickest round-trip

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 9/22

8:55 am-3:40 pm

1 stop16h 45m

Tokyo Haneda

Wed 10/7

6:05 pm-8:00 pm

1 stop15h 55m

$1,086

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 10/5

6:49 pm-3:40 pm

2 stops30h 51m

Tokyo Narita

Mon 10/19

5:25 pm-2:00 pm

1 stop34h 35m

$1,087

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 9/6

8:55 am-3:40 pm

1 stop16h 45m

Tokyo Haneda

Sun 9/13

6:05 pm-8:00 pm

1 stop15h 55m

$1,090

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 8/5

8:08 pm-8:00 pm

2 stops33h 52m

Tokyo Narita

Fri 8/28

2:35 pm-11:08 pm

1 stop22h 33m

$1,092

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?

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 February is your next best option. Flight prices from St. Louis to Tokyo during February average around $773.

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

You could potentially save up to 30% 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 April 2026, prices for St. Louis to Tokyo flights are approximately 10% 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 56m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 56m
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 15h 56m.

  • 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
11,572 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,922 reviews
Search Air Canada flights
ANAPriceFrom $703Free CancellationRating
8.4
1,171 reviews
Search ANA flights
DeltaPriceFrom $727Free CancellationRating
7.9
8,408 reviews
Search Delta flights
United AirlinesPriceFrom $757Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,779 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
Kawasaki
Atami
Chiba
Kusatsu
Yamanouchi
Yokosuka
Kamakura
Saitama
Izu
Fujiyoshida
Karuizawa
Fujisawa
Tsukuba
Kawagoe
Numazu
Yamanashi
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