Cheap flights from St. Louis to Tokyo from $354

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 4/24. 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
4:05 pm - 3:50 pm
STL
-
NRT
33h 45m
1 stop
Air Canada Logo
5:35 pm - 8:05 pm
NRT
-
STL
16h 30m
1 stop
$766Air Canada
Mon, Apr 27 - Tue, May 5
Air Canada Logo
4:05 pm - 3:50 pm
STL
-
NRT
33h 45m
1 stop
Air Canada Logo
5:35 pm - 8:25 pm
NRT
-
STL
16h 50m
1 stop
$767Air Canada
Sat, Apr 25 - Fri, May 8
Air Canada Logo
4:05 pm - 3:25 pm
STL
-
NRT
33h 20m
2 stops
Air Canada Logo
5:35 pm - 8:05 pm
NRT
-
STL
16h 30m
1 stop
$770Air Canada
Sat, Apr 25 - Fri, May 8
Japan Airlines Logo
7:05 am - 5:30 pm
STL
-
HND
20h 25m
1 stop
Japan Airlines Logo
5:25 pm - 11:57 pm
HND
-
STL
20h 32m
1 stop
$903Japan Airlines
Mon, Apr 27 - Tue, May 5
Japan Airlines Logo
7:05 am - 5:30 pm
STL
-
HND
20h 25m
1 stop
Japan Airlines Logo
8:40 pm - 11:57 pm
HND
-
STL
41h 17m
2 stops
$907Japan Airlines
Mon, Apr 27 - Tue, May 5
United Airlines Logo
2:40 pm - 7:00 pm
STL
-
HND
38h 20m
2 stops
United Airlines Logo
5:15 pm - 9:08 pm
HND
-
STL
17h 53m
1 stop
$940United Airlines
Sat, Apr 25 - Fri, May 8
Delta Logo
6:20 am - 1:05 pm
STL
-
HND
16h 45m
1 stop
Delta Logo
4:05 pm - 4:50 pm
HND
-
STL
14h 45m
1 stop
$941Delta
Sun, Apr 19 - Tue, Apr 28
United Airlines Logo
7:05 pm - 5:00 am
STL
-
HND
19h 55m
1 stop
United Airlines Logo
9:15 pm - 8:25 am
HND
-
STL
25h 10m
2 stops
$944United Airlines
Sat, Apr 18 - Tue, Apr 28
ANA Logo
3:15 pm - 3:25 pm
STL
-
HND
34h 10m
1 stop
ANA Logo
5:15 pm - 12:41 pm
HND
-
STL
33h 26m
1 stop
$945ANA
Sat, Apr 25 - Fri, May 8
Delta Logo
5:59 pm - 1:05 pm
STL
-
HND
29h 06m
2 stops
Delta Logo
3:15 pm - 5:56 pm
HND
-
STL
16h 41m
1 stop
$946Delta
Sat, Apr 25 - Fri, May 8

American Airlines flights from St. Louis to Tokyo

Our best American Airlines deals on St. Louis to Tokyo flight tickets
American Airlines
Mar 1
STL7:00 amLambert-St Louis
20h 30m
1 stop
HND6:30 pmTokyo Haneda
Mar 19
HND10:50 amTokyo Haneda
16h 53m
1 stop
STL1:43 pmLambert-St Louis
$939
American Airlines
Mar 1
STL6:00 amLambert-St Louis
17h 45m
1 stop
NRT2:45 pmTokyo Narita
Mar 3
NRT5:30 pmTokyo Narita
16h 59m
1 stop
STL7:29 pmLambert-St Louis
$940
American Airlines
Mar 1
STL7:00 amLambert-St Louis
20h 30m
1 stop
HND6:30 pmTokyo Haneda
Mar 28
HND5:05 pmTokyo Haneda
20h 53m
1 stop
STL11:58 pmLambert-St Louis
$971

ANA flights from St. Louis to Tokyo

Our best ANA deals on St. Louis to Tokyo flight tickets
ANA
Apr 25
STL4:05 pmLambert-St Louis
33h 20m
2 stops
NRT3:25 pmTokyo Narita
May 8
NRT5:35 pmTokyo Narita
16h 50m
1 stop
STL8:25 pmLambert-St Louis
$829
ANA
Apr 25
STL4:05 pmLambert-St Louis
33h 20m
2 stops
NRT3:25 pmTokyo Narita
May 8
NRT5:35 pmTokyo Narita
32h 31m
2 stops
STL12:06 pmLambert-St Louis
$837
ANA
Mar 1
STL7:41 amLambert-St Louis
19h 04m
1 stop
HND5:45 pmTokyo Haneda
Mar 3
HND6:20 pmTokyo Haneda
15h 54m
1 stop
STL7:14 pmLambert-St Louis
$863

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 February 26, 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

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 4/27

4:05 pm-3:50 pm

1 stop33h 45m

Tokyo Narita

Tue 5/5

5:35 pm-8:05 pm

1 stop16h 30m

$766

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 4/25

4:05 pm-3:50 pm

1 stop33h 45m

Tokyo Narita

Fri 5/8

5:35 pm-8:25 pm

1 stop16h 50m

$767

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 4/25

4:05 pm-3:25 pm

2 stops33h 20m

Tokyo Narita

Fri 5/8

5:35 pm-8:05 pm

1 stop16h 30m

$770

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 4/27

7:05 am-5:30 pm

1 stop20h 25m

Tokyo Haneda

Tue 5/5

5:25 pm-11:57 pm

1 stop20h 32m

$903

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 4/27

7:05 am-5:30 pm

1 stop20h 25m

Tokyo Haneda

Tue 5/5

8:40 pm-11:57 pm

2 stops41h 17m

$907

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 4/25

2:40 pm-7:00 pm

2 stops38h 20m

Tokyo Haneda

Fri 5/8

5:15 pm-9:08 pm

1 stop17h 53m

$940

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 4/19

6:20 am-1:05 pm

1 stop16h 45m

Tokyo Haneda

Tue 4/28

4:05 pm-4:50 pm

1 stop14h 45m

$941

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 4/18

7:05 pm-5:00 am

1 stop19h 55m

Tokyo Haneda

Tue 4/28

9:15 pm-8:25 am

2 stops25h 10m

$944

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 4/25

3:15 pm-3:25 pm

1 stop34h 10m

Tokyo Haneda

Fri 5/8

5:15 pm-12:41 pm

1 stop33h 26m

$945

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 4/25

5:59 pm-1:05 pm

2 stops29h 06m

Tokyo Haneda

Fri 5/8

3:15 pm-5:56 pm

1 stop16h 41m

$946

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 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 September is your next best option. Flight prices from St. Louis to Tokyo during September average around $756.

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

You could potentially save up to 17% 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 February 2026, prices for St. Louis to Tokyo flights are approximately 73% 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 59m

Direct flights

None
The fastest flight from St. Louis to Tokyo takes 15h 59m
There are no direct flights from St. Louis to Tokyo. There are no popular flight routes 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 59m.

  • 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
7.2
11,353 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,748 reviews
Search Air Canada flights
ANAPriceFrom $703Free CancellationRating
8.4
1,102 reviews
Search ANA flights
Japan AirlinesPriceFrom $703Free CancellationRating
8.3
1,714 reviews
Search Japan Airlines flights
DeltaPriceFrom $733Free CancellationRating
7.9
8,237 reviews
Search Delta flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
9,348 reviews
Search United 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
Kusatsu
Yokosuka
Yamanouchi
Kamakura
Saitama
Izu
Fujiyoshida
Kawagoe
Fujisawa
Tsukuba
Karuizawa
Yamanashi
Numazu
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
Sat 3/28
Sat 4/4

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