Cheap flights from St. Louis to Tokyo from $442

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 8/5. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:15 pm - 4:30 pm
STL
-
NRT
34h 15m
1 stop
Air Canada Logo
6:45 pm - 3:30 pm
NRT
-
STL
35h 45m
1 stop
$1,283Air Canada
Wed, Oct 28 - Wed, Nov 11
WestJet Logo
10:45 am - 4:20 pm
STL
-
NRT
39h 35m
2 stops
WestJet Logo
6:30 pm - 11:01 pm
NRT
-
STL
42h 31m
2 stops
$1,285WestJet
Sat, Sep 5 - Sun, Sep 20
Multiple Airlines Logo
6:00 am - 4:30 pm
STL
-
NRT
20h 30m
1 stop
Multiple Airlines Logo
9:30 pm - 5:03 pm
NRT
-
STL
33h 33m
2 stops
$1,288Multiple Airlines
Thu, Sep 3 - Thu, Sep 10
United Airlines Logo
9:23 am - 3:10 pm
STL
-
NRT
15h 47m
1 stop
United Airlines Logo
5:00 pm - 10:30 pm
NRT
-
STL
19h 30m
1 stop
$1,291United Airlines
Sun, Sep 27 - Sun, Oct 11
ANA Logo
11:45 am - 5:45 pm
STL
-
HND
16h 00m
1 stop
ANA Logo
6:20 pm - 7:25 pm
HND
-
STL
16h 05m
1 stop
$1,292ANA
Wed, Oct 28 - Wed, Nov 11
ANA Logo
8:00 am - 5:45 pm
STL
-
HND
19h 45m
1 stop
ANA Logo
6:20 pm - 6:09 pm
HND
-
STL
14h 49m
1 stop
$1,293ANA
Wed, Oct 28 - Wed, Nov 11
Japan Airlines Logo
9:47 am - 5:30 pm
STL
-
HND
17h 43m
1 stop
Japan Airlines Logo
1:00 pm - 4:15 pm
HND
-
STL
17h 15m
1 stop
$1,294Japan Airlines
Mon, Oct 12 - Thu, Oct 22
United Airlines Logo
5:10 am - 7:00 pm
STL
-
HND
23h 50m
2 stops
United Airlines Logo
12:30 am - 8:37 am
HND
-
STL
22h 07m
2 stops
$1,296United Airlines
Mon, Sep 7 - Sun, Sep 27
Japan Airlines Logo
9:47 am - 5:30 pm
STL
-
HND
17h 43m
1 stop
Japan Airlines Logo
8:55 pm - 11:05 pm
HND
-
STL
40h 10m
2 stops
$1,300Japan Airlines
Tue, Oct 13 - Tue, Oct 27
Alaska Airlines Logo
3:24 pm - 4:00 pm
STL
-
NRT
34h 36m
1 stop
Alaska Airlines Logo
6:25 pm - 11:59 pm
NRT
-
STL
20h 34m
1 stop
$1,307Alaska Airlines
Sun, Oct 25 - Thu, Nov 12

Air Canada flights from St. Louis to Tokyo

Our best Air Canada deals on St. Louis to Tokyo flight tickets
Air Canada
Oct 28
STL4:15 pmLambert-St Louis
34h 15m
1 stop
NRT4:30 pmTokyo Narita
Nov 11
NRT6:45 pmTokyo Narita
35h 45m
1 stop
STL3:30 pmLambert-St Louis
$1,283
Air Canada
Oct 14
STL8:55 amLambert-St Louis
40h 00m
2 stops
NRT2:55 pmTokyo Narita
Oct 28
NRT6:45 pmTokyo Narita
34h 45m
1 stop
STL3:30 pmLambert-St Louis
$1,293
Air Canada
Oct 28
STL4:15 pmLambert-St Louis
34h 00m
2 stops
NRT4:15 pmTokyo Narita
Nov 12
NRT6:45 pmTokyo Narita
35h 45m
2 stops
STL3:30 pmLambert-St Louis
$1,314

ANA flights from St. Louis to Tokyo

Our best ANA deals on St. Louis to Tokyo flight tickets
ANA
May 6
STL9:21 amLambert-St Louis
16h 04m
1 stop
HND3:25 pmTokyo Haneda
Jun 17
HND5:15 pmTokyo Haneda
32h 56m
1 stop
STL12:11 pmLambert-St Louis
$1,286
ANA
Oct 28
STL11:45 amLambert-St Louis
16h 00m
1 stop
HND5:45 pmTokyo Haneda
Nov 11
HND6:20 pmTokyo Haneda
16h 05m
1 stop
STL7:25 pmLambert-St Louis
$1,292
ANA
Oct 28
STL8:00 amLambert-St Louis
19h 45m
1 stop
HND5:45 pmTokyo Haneda
Nov 11
HND6:20 pmTokyo Haneda
14h 49m
1 stop
STL6:09 pmLambert-St Louis
$1,293

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 3, 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

Wed 10/28

4:15 pm-4:30 pm

1 stop34h 15m

Tokyo Narita

Wed 11/11

6:45 pm-3:30 pm

1 stop35h 45m

$1,283

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 9/5

10:45 am-4:20 pm

2 stops39h 35m

Tokyo Narita

Sun 9/20

6:30 pm-11:01 pm

2 stops42h 31m

$1,285

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Thu 9/3

6:00 am-4:30 pm

1 stop20h 30m

Tokyo Narita

Thu 9/10

9:30 pm-5:03 pm

2 stops33h 33m

$1,288

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/27

9:23 am-3:10 pm

1 stop15h 47m

Tokyo Narita

Sun 10/11

5:00 pm-10:30 pm

1 stop19h 30m

$1,291
Quickest round-trip

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 10/28

11:45 am-5:45 pm

1 stop16h 00m

Tokyo Haneda

Wed 11/11

6:20 pm-7:25 pm

1 stop16h 05m

$1,292

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 10/28

8:00 am-5:45 pm

1 stop19h 45m

Tokyo Haneda

Wed 11/11

6:20 pm-6:09 pm

1 stop14h 49m

$1,293

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 10/12

9:47 am-5:30 pm

1 stop17h 43m

Tokyo Haneda

Thu 10/22

1:00 pm-4:15 pm

1 stop17h 15m

$1,294

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 9/7

5:10 am-7:00 pm

2 stops23h 50m

Tokyo Haneda

Sun 9/27

12:30 am-8:37 am

2 stops22h 07m

$1,296

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 10/13

9:47 am-5:30 pm

1 stop17h 43m

Tokyo Haneda

Tue 10/27

8:55 pm-11:05 pm

2 stops40h 10m

$1,300

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 10/25

3:24 pm-4:00 pm

1 stop34h 36m

Tokyo Narita

Thu 11/12

6:25 pm-11:59 pm

1 stop20h 34m

$1,307

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

16h 44m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 16h 44m
There are no direct flights from St. Louis to Tokyo. There are no popular flight routes from St. Louis to Tokyo.

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 44m.

  • 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
11,673 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,993 reviews
Search Air Canada flights
ANAPriceFrom $703Free CancellationRating
8.3
1,202 reviews
Search ANA flights
DeltaPriceFrom $727Free CancellationRating
7.9
8,460 reviews
Search Delta flights
United AirlinesPriceFrom $757Free CancellationRating
7.4
9,684 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,803 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
Chiba
Atami
Kamakura
Izu
Kusatsu
Yokosuka
Yamanouchi
Saitama
Fujiyoshida
Karuizawa
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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1 adult
Tue 6/2
Tue 6/9

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