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Cheap flights from St. Louis to Tokyo from $410

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 10/13. 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
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.
United Airlines Logo
12:30 pm - 2:30 pm
STL
-
NRT
36h 00m
1 stop
United Airlines Logo
4:30 pm - 11:45 pm
NRT
-
STL
21h 15m
1 stop
$1,281United Airlines
Tue, Sep 22 - Wed, Oct 7
United Airlines Logo
8:15 pm - 3:25 pm
STL
-
HND
29h 10m
1 stop
United Airlines Logo
10:55 pm - 8:37 am
HND
-
STL
23h 42m
2 stops
$1,283United Airlines
Sun, Sep 27 - Fri, Oct 30
Cathay Pacific Logo
7:01 am - 3:55 pm
STL
-
NRT
42h 54m
2 stops
Cathay Pacific Logo
6:20 pm - 11:05 pm
NRT
-
STL
42h 45m
2 stops
$1,285Cathay Pacific
Mon, Oct 12 - Thu, Oct 22
United Airlines Logo
12:30 pm - 2:30 pm
STL
-
NRT
36h 00m
1 stop
United Airlines Logo
4:45 pm - 10:30 pm
NRT
-
STL
19h 45m
2 stops
$1,286United Airlines
Tue, Sep 22 - Wed, Oct 7
Multiple Airlines Logo
8:10 pm - 8:00 pm
STL
-
NRT
33h 50m
2 stops
Multiple Airlines Logo
2:35 pm - 11:02 pm
NRT
-
STL
22h 27m
1 stop
$1,288Multiple Airlines
Sun, Sep 13 - Mon, Sep 28
Delta Logo
6:20 am - 1:05 pm
STL
-
HND
16h 45m
1 stop
Delta Logo
4:05 pm - 4:52 pm
HND
-
STL
14h 47m
1 stop
$1,289Delta
Thu, Aug 6 - Sat, Aug 15
Multiple Airlines Logo
8:10 pm - 8:00 pm
STL
-
NRT
33h 50m
2 stops
Multiple Airlines Logo
2:35 pm - 11:02 pm
NRT
-
STL
22h 27m
1 stop
$1,289Multiple Airlines
Sun, Sep 13 - Thu, Oct 1
Cathay Pacific Logo
7:01 am - 1:55 pm
STL
-
HND
40h 54m
2 stops
Cathay Pacific Logo
4:20 pm - 11:05 pm
HND
-
STL
44h 45m
2 stops
$1,295Cathay Pacific
Mon, Oct 12 - Thu, Oct 22
Japan Airlines Logo
6:37 am - 3:50 pm
STL
-
HND
19h 13m
1 stop
Japan Airlines Logo
4:30 pm - 11:42 pm
HND
-
STL
21h 12m
1 stop
$1,317Japan Airlines
Tue, Jul 21 - Thu, Aug 6
ANA Logo
5:00 am - 3:25 pm
STL
-
HND
20h 25m
1 stop
ANA Logo
10:55 pm - 10:09 am
HND
-
STL
25h 14m
2 stops
$1,326ANA
Sun, Sep 20 - Fri, Oct 2

Qatar Airways flights from St. Louis to Tokyo

Our best Qatar Airways deals on St. Louis to Tokyo flight tickets
Qatar Airways
Oct 31
STL6:00 amLambert-St Louis
53h 00m
2 stops
HND1:00 amTokyo Haneda
Nov 14
HND11:30 pmTokyo Haneda
39h 29m
2 stops
STL11:59 pmLambert-St Louis
$1,446
Qatar Airways
Oct 31
STL6:00 amLambert-St Louis
53h 00m
2 stops
HND1:00 amTokyo Haneda
Nov 14
HND11:30 pmTokyo Haneda
39h 26m
2 stops
STL11:56 pmLambert-St Louis
$1,447
Qatar Airways
May 24
STL7:41 pmLambert-St Louis
58h 19m
2 stops
NRT8:00 pmTokyo Narita
Jun 2
NRT10:25 pmTokyo Narita
39h 29m
2 stops
STL11:54 pmLambert-St Louis
$1,534

Air Canada flights from St. Louis to Tokyo

Our best Air Canada deals on St. Louis to Tokyo flight tickets
Air Canada
May 25
STL7:05 amLambert-St Louis
42h 20m
2 stops
NRT3:25 pmTokyo Narita
Jun 1
NRT5:35 pmTokyo Narita
16h 50m
1 stop
STL8:25 pmLambert-St Louis
$1,817
Air Canada
May 18
STL7:05 amLambert-St Louis
18h 45m
1 stop
NRT3:50 pmTokyo Narita
Jun 10
NRT5:35 pmTokyo Narita
16h 50m
1 stop
STL8:25 pmLambert-St Louis
$1,821
Air Canada
May 25
STL7:05 amLambert-St Louis
18h 45m
1 stop
NRT3:50 pmTokyo Narita
Jun 8
NRT5:35 pmTokyo Narita
16h 50m
1 stop
STL8:25 pmLambert-St Louis
$1,830

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 May 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 9/22

12:30 pm-2:30 pm

1 stop36h 00m

Tokyo Narita

Wed 10/7

4:30 pm-11:45 pm

1 stop21h 15m

$1,281

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 9/27

8:15 pm-3:25 pm

1 stop29h 10m

Tokyo Haneda

Fri 10/30

10:55 pm-8:37 am

2 stops23h 42m

$1,283

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 10/12

7:01 am-3:55 pm

2 stops42h 54m

Tokyo Narita

Thu 10/22

6:20 pm-11:05 pm

2 stops42h 45m

$1,285

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 9/22

12:30 pm-2:30 pm

1 stop36h 00m

Tokyo Narita

Wed 10/7

4:45 pm-10:30 pm

2 stops19h 45m

$1,286

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/13

8:10 pm-8:00 pm

2 stops33h 50m

Tokyo Narita

Mon 9/28

2:35 pm-11:02 pm

1 stop22h 27m

$1,288
Quickest round-trip

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Thu 8/6

6:20 am-1:05 pm

1 stop16h 45m

Tokyo Haneda

Sat 8/15

4:05 pm-4:52 pm

1 stop14h 47m

$1,289

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/13

8:10 pm-8:00 pm

2 stops33h 50m

Tokyo Narita

Thu 10/1

2:35 pm-11:02 pm

1 stop22h 27m

$1,289

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 10/12

7:01 am-1:55 pm

2 stops40h 54m

Tokyo Haneda

Thu 10/22

4:20 pm-11:05 pm

2 stops44h 45m

$1,295

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 7/21

6:37 am-3:50 pm

1 stop19h 13m

Tokyo Haneda

Thu 8/6

4:30 pm-11:42 pm

1 stop21h 12m

$1,317

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 9/20

5:00 am-3:25 pm

1 stop20h 25m

Tokyo Haneda

Fri 10/2

10:55 pm-10:09 am

2 stops25h 14m

$1,326

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 March. Flight prices, which tend to average around $349, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in March, then May is your next best option. Flight prices from St. Louis to Tokyo during May average around $383.

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

You could potentially save up to 11% 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 May 2026, prices for St. Louis to Tokyo flights are approximately 6% 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 30m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 30m
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 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
American AirlinesPriceFrom $593Free CancellationRating
7.1
11,663 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
11,029 reviews
Search Air Canada flights
DeltaPriceFrom $727Free CancellationRating
7.9
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $757Free CancellationRating
7.4
9,711 reviews
Search United Airlines flights
ANAPriceFrom $777Free CancellationRating
8.3
1,208 reviews
Search ANA flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,820 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
Chiba
Kamakura
Atami
Kusatsu
Yokosuka
Yamanouchi
Saitama
Karuizawa
Fujiyoshida
Tsukuba
Kawagoe
Fujisawa
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