Cheap flights from St. Louis to Tokyo from $421

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 2/16. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:35 am - 6:30 pm
STL
-
HND
18h 55m
1 stop
American Airlines Logo
8:25 pm - 11:58 pm
HND
-
STL
17h 33m
1 stop
$789American Airlines
Mon, Mar 9 - Tue, Mar 24
ANA Logo
1:11 pm - 5:45 pm
STL
-
HND
37h 34m
1 stop
ANA Logo
6:20 pm - 7:14 pm
HND
-
STL
15h 54m
1 stop
$803ANA
Sat, Feb 21 - Wed, Mar 4
ANA Logo
8:17 am - 5:45 pm
STL
-
HND
18h 28m
1 stop
ANA Logo
6:20 pm - 7:14 pm
HND
-
STL
15h 54m
1 stop
$809ANA
Mon, Feb 23 - Thu, Mar 5
American Airlines Logo
6:00 am - 6:30 pm
STL
-
HND
21h 30m
2 stops
American Airlines Logo
8:25 pm - 11:59 pm
HND
-
STL
18h 34m
1 stop
$820American Airlines
Mon, Feb 23 - Thu, Mar 5
American Airlines Logo
9:35 am - 6:30 pm
STL
-
HND
17h 55m
1 stop
American Airlines Logo
8:25 pm - 11:58 pm
HND
-
STL
17h 33m
1 stop
$826American Airlines
Sun, Mar 1 - Wed, Mar 11
ANA Logo
8:17 am - 5:45 pm
STL
-
HND
18h 28m
1 stop
ANA Logo
6:20 pm - 7:14 pm
HND
-
STL
15h 54m
1 stop
$828ANA
Wed, Feb 18 - Wed, Feb 25
United Airlines Logo
8:30 am - 4:50 pm
STL
-
HND
17h 20m
1 stop
United Airlines Logo
6:20 pm - 7:14 pm
HND
-
STL
15h 54m
1 stop
$834United Airlines
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
7:41 am - 9:05 pm
STL
-
HND
22h 24m
1 stop
United Airlines Logo
4:50 pm - 8:23 pm
HND
-
STL
18h 33m
1 stop
$835United Airlines
Sun, Feb 22 - Thu, Feb 26
Delta Logo
10:14 am - 5:45 pm
STL
-
HND
16h 31m
1 stop
Delta Logo
8:00 pm - 11:58 pm
HND
-
STL
17h 58m
1 stop
$836Delta
Mon, Mar 2 - Wed, Mar 18
United Airlines Logo
8:17 am - 9:05 pm
STL
-
HND
21h 48m
1 stop
United Airlines Logo
4:25 pm - 10:59 pm
HND
-
STL
21h 34m
2 stops
$839United Airlines
Sun, Feb 22 - Thu, Feb 26

Delta flights from St. Louis to Tokyo Haneda Airport

Our best Delta deals on St. Louis to Tokyo Haneda Airport flight tickets
Delta
Mar 3
STL6:35 amLambert-St Louis
20h 10m
1 stop
HND5:45 pmTokyo Haneda
Mar 11
HND5:20 pmTokyo Haneda
20h 05m
1 stop
STL11:25 pmLambert-St Louis
$836
Delta
Feb 9
STL7:10 amLambert-St Louis
19h 35m
2 stops
HND5:45 pmTokyo Haneda
Feb 27
HND5:20 pmTokyo Haneda
18h 23m
2 stops
STL8:43 pmLambert-St Louis
$840
Delta
Feb 16
STL6:40 pmLambert-St Louis
28h 25m
2 stops
HND2:05 pmTokyo Haneda
Feb 23
HND5:20 pmTokyo Haneda
21h 16m
2 stops
STL11:36 pmLambert-St Louis
$872

American Airlines flights from St. Louis to Tokyo Haneda Airport

Our best American Airlines deals on St. Louis to Tokyo Haneda Airport flight tickets
American Airlines
Feb 23
STL6:36 pmLambert-St Louis
19h 29m
2 stops
HND5:05 amTokyo Haneda
Mar 5
HND8:25 pmTokyo Haneda
18h 23m
2 stops
STL11:48 pmLambert-St Louis
$820
American Airlines
Feb 25
STL9:37 amLambert-St Louis
21h 23m
1 stop
HND10:00 pmTokyo Haneda
Mar 5
HND5:55 pmTokyo Haneda
16h 34m
1 stop
STL7:29 pmLambert-St Louis
$888
American Airlines
Feb 20
STL7:00 amLambert-St Louis
20h 30m
1 stop
HND6:30 pmTokyo Haneda
Mar 1
HND5:55 pmTokyo Haneda
16h 34m
1 stop
STL7:29 pmLambert-St Louis
$896

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Tokyo Haneda Airport 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 9, 2026.
Use the filters below to find and compare flights from St. Louis to Tokyo Haneda Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 3/9

9:35 am-6:30 pm

1 stop18h 55m

Tokyo Haneda

Tue 3/24

8:25 pm-11:58 pm

1 stop17h 33m

$789

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 2/21

1:11 pm-5:45 pm

1 stop37h 34m

Tokyo Haneda

Wed 3/4

6:20 pm-7:14 pm

1 stop15h 54m

$803

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/23

8:17 am-5:45 pm

1 stop18h 28m

Tokyo Haneda

Thu 3/5

6:20 pm-7:14 pm

1 stop15h 54m

$809

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/23

6:00 am-6:30 pm

2 stops21h 30m

Tokyo Haneda

Thu 3/5

8:25 pm-11:59 pm

1 stop18h 34m

$820

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 3/1

9:35 am-6:30 pm

1 stop17h 55m

Tokyo Haneda

Wed 3/11

8:25 pm-11:58 pm

1 stop17h 33m

$826

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 2/18

8:17 am-5:45 pm

1 stop18h 28m

Tokyo Haneda

Wed 2/25

6:20 pm-7:14 pm

1 stop15h 54m

$828

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 2/22

8:30 am-4:50 pm

1 stop17h 20m

Tokyo Haneda

Thu 2/26

6:20 pm-7:14 pm

1 stop15h 54m

$834

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 2/22

7:41 am-9:05 pm

1 stop22h 24m

Tokyo Haneda

Thu 2/26

4:50 pm-8:23 pm

1 stop18h 33m

$835

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 3/2

10:14 am-5:45 pm

1 stop16h 31m

Tokyo Haneda

Wed 3/18

8:00 pm-11:58 pm

1 stop17h 58m

$836

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 2/22

8:17 am-9:05 pm

1 stop21h 48m

Tokyo Haneda

Thu 2/26

4:25 pm-10:59 pm

2 stops21h 34m

$839

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 Haneda Airport

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 Haneda Airport?

In general, February is the cheapest month to fly from St. Louis to Tokyo Haneda Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $739. The month of September is another great option to travel to Tokyo Haneda Airport, with average flight prices from St. Louis averaging around $739.

How far in advance should I book a flight to Tokyo Haneda Airport?

You are more likely to see cheaper flights to Tokyo Haneda Airport from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo Haneda Airport for around $1,006 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo Haneda Airport from St. Louis for as low as $847 on momondo.

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

You could potentially save up to 26% on your flight if you consider stops on a St. Louis to Tokyo Haneda Airport flight.

How have St. Louis to Tokyo Haneda Airport flight prices changed over time?

As of February 2026, prices for St. Louis to Tokyo Haneda Airport flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Tokyo Haneda Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Tokyo Haneda Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Tokyo Haneda Airport (STL to HND) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Tokyo Haneda Airport

Fastest flight time

17h 04m

Direct flights

None
The fastest flight from St. Louis to Tokyo Haneda Airport takes 17h 04m
There are no direct flights from St. Louis to Tokyo Haneda Airport. There are no popular flight routes from St. Louis to Tokyo Haneda Airport.
  • How far is Lambert-St Louis to Tokyo Haneda by plane?

    A flight from Lambert-St Louis to Tokyo Haneda will travel around 6395.2 mi. 17h 04m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Tokyo Haneda Airport?

    Prices for flights from Lambert-St Louis Airport to Tokyo Haneda Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Tokyo Haneda Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Tokyo Haneda Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Tokyo Haneda Airport.

  • What documentation or ID do you need to fly to Tokyo Haneda Airport?

    The necessary travel and health documents for your Tokyo Haneda Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Tokyo Haneda Airport?

Best airlines flying from St. Louis to Tokyo Haneda Airport

Compare and see reviews for airlines that fly from St. Louis to Tokyo Haneda Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
ANAPriceFrom $703Free CancellationRating
8.4
1,089 reviews
Search ANA flights
DeltaPriceFrom $727Free CancellationRating
7.9
8,174 reviews
Search Delta flights
American AirlinesPriceFrom $737Free CancellationRating
7.2
11,257 reviews
Search American Airlines flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $829Free CancellationRating
8.3
1,702 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
Kusatsu
Yokosuka
Yamanouchi
Kamakura
Saitama
Izu
Fujiyoshida
Fujisawa
Kawagoe
Tsukuba
Karuizawa
Yamanashi
Numazu
Minakami
Sagamihara

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Tokyo?

Finding the right flight to Tokyo from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Tokyo quick and easy, saving you time and money.

Can I find flights from St. Louis to Tokyo with flexible booking policies on momondo?

All flight searches from St. Louis to Tokyo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Tokyo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Tokyo from St. Louis.

I’m not ready to book a flight from St. Louis to Tokyo right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Tokyo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Wed 3/11
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