What are the cheapest airlines to fly from Japan to St. Louis one-way?

The cheapest airlines for a one-way flight from Japan to St. Louis are Air Canada ($591), American Airlines ($620), and Delta ($629).

What is the cheapest month to book a flight from Japan to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Japan to St. Louis (average of $311). Flying from Japan to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What are the most popular routes from Japan to St. Louis?

The most popular route from Japan to St. Louis is Tokyo Haneda - Lambert-St Louis. You may also consider Fukuoka - Lambert-St Louis or Okinawa Naha - Lambert-St Louis.

What is the cheapest month to fly from Japan to St. Louis?

Our data shows that January tends to be the cheapest month to fly to St. Louis from Japan. Users have commonly found prices around $1,133 for the month, but tickets can be as low as $390. Due to multiple factors, prepare for potentially higher prices in March.

What airport do you fly into for flights to St. Louis from Japan?

If you book a flight to St. Louis from Japan, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

Can I find deals for flights from Japan to St. Louis that include hotel bookings?

Yes. In addition to deals on Japan to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Japan to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Japan to St. Louis.

Can I find deals for business class flights from Japan to St. Louis?

Yes. Cheapflights offers flight deals from Japan to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,777+ Flights from Japan to St. Louis - Compare & Save Big

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Cheap flight deals from Japan to St. Louis

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$993 (Delta)
One-way from	$591 (Priceline)
Popular in	March
Cheapest in	January
Average price	$914

Provider with most accurate pricing for Tokyo (TYO)-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Tokyo (TYO)-Lambert-St Louis flights.

Search Deals

From Japan to Lambert-St Louis

Search Deals

One-way flight from Japan to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 31% potential increase in price ($533 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($68 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Find flight deals from Japan to St. Louis

Cheapest flights from Japan to St. Louis
Explore the most affordable flight options available from Japan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Wed 7/163:15 pmHND - STL

1 stop19h 21mDelta

Fri 8/226:30 amSTL - HND

1 stop16h 35mDelta

Deal found 5/1

$993

Fri 6/66:10 pmHND - STL

2 stops32h 10mAir Canada

Sun 6/87:30 amSTL - HND

1 stop18h 20mAir Canada

Deal found 5/1

$1,321

Mon 5/126:10 pmHND - STL

1 stop32h 26mMultiple Airlines

Wed 5/217:00 amSTL - HND

2 stops26h 30mMultiple Airlines

Deal found 4/30

$1,597

Mon 5/1210:05 pmHND - STL

2 stops32h 55mAir France

Tue 5/201:09 pmSTL - HND

2 stops26h 46mAir France

Deal found 4/30

$1,680

Mon 5/59:20 pmHND - STL

2 stops30h 48mHawaiian Airlines

Sun 5/116:30 amSTL - HND

2 stops22h 55mHawaiian Airlines

Deal found 4/30

$1,726

Tue 5/1311:55 amHND - STL

1 stop25h 09mJapan Airlines

Tue 5/206:52 amSTL - HND

1 stop17h 28mJapan Airlines

Deal found 4/30

$1,747

Wed 5/143:45 pmHND - STL

1 stop17h 38mUnited Airlines

Sat 5/175:29 pmSTL - HND

1 stop32h 26mUnited Airlines

Deal found 4/30

$1,936

Tue 5/1312:20 amHND - STL

2 stops34h 38mBritish Airways

Sat 5/174:52 pmSTL - HND

2 stops28h 03mBritish Airways

Deal found 4/30

$2,087

Mon 5/129:45 pmHND - STL

2 stops31h 02mTurkish Airlines

Thu 5/228:10 amSTL - HND

2 stops45h 10mTurkish Airlines

Deal found 4/30

$4,038

Best flights from Japan to St. Louis
Discover carefully curated flight deals from Japan to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Wed 7/163:15 pmHND - STL

1 stop19h 21mDelta

Fri 8/226:30 amSTL - HND

1 stop16h 35mDelta

Deal found 5/1

$993

Fri 6/66:10 pmHND - STL

2 stops32h 10mAir Canada

Sun 6/87:30 amSTL - HND

1 stop18h 20mAir Canada

Deal found 5/1

$1,321

Mon 5/126:10 pmHND - STL

1 stop32h 26mMultiple Airlines

Wed 5/217:00 amSTL - HND

2 stops26h 30mMultiple Airlines

Deal found 4/30

$1,597

Mon 5/1210:05 pmHND - STL

2 stops32h 55mAir France

Tue 5/201:09 pmSTL - HND

2 stops26h 46mAir France

Deal found 4/30

$1,680

Tue 5/1311:55 amHND - STL

1 stop25h 09mJapan Airlines

Tue 5/206:52 amSTL - HND

1 stop17h 28mJapan Airlines

Deal found 4/30

$1,747

Wed 5/143:45 pmHND - STL

1 stop17h 38mUnited Airlines

Sat 5/175:29 pmSTL - HND

1 stop32h 26mUnited Airlines

Deal found 4/30

$1,936

Tue 5/1312:20 amHND - STL

2 stops34h 38mBritish Airways

Sat 5/174:52 pmSTL - HND

2 stops28h 03mBritish Airways

Deal found 4/30

$2,087

Mon 5/129:45 pmHND - STL

2 stops31h 02mTurkish Airlines

Thu 5/228:10 amSTL - HND

2 stops45h 10mTurkish Airlines

Deal found 4/30

$4,038

Last-minute flights from Japan to St. Louis
Discover last-minute flight deals from Japan to St. Louis. Data last updated May 1, 2025 and is based on user searches.

Mon 5/59:20 pmHND - STL

2 stops30h 48mHawaiian Airlines

Sun 5/116:30 amSTL - HND

2 stops22h 55mHawaiian Airlines

Deal found 4/30

$1,726

Sat 5/1012:05 amHND - STL

2 stops30h 55mAir France

Wed 5/211:09 pmSTL - HND

2 stops26h 46mAir France

Deal found 4/30

$1,833

Sun 5/111:30 amHND - STL

2 stops36h 29mMultiple Airlines

Wed 5/217:00 amSTL - HND

2 stops26h 30mMultiple Airlines

Deal found 4/30

$1,776

Sun 5/117:45 pmHND - STL

1 stop17h 19mJapan Airlines

Tue 5/206:52 amSTL - HND

1 stop17h 28mJapan Airlines

Deal found 4/30

$1,817

Sun 5/114:35 pmHND - STL

1 stop21h 03mDelta

Tue 5/207:30 amSTL - HND

2 stops22h 30mDelta

Deal found 4/30

$2,452

Sun 5/119:45 pmHND - STL

2 stops31h 02mTurkish Airlines

Thu 5/228:10 amSTL - HND

2 stops45h 10mTurkish Airlines

Deal found 4/30

$4,108

Mon 5/126:10 pmHND - STL

1 stop32h 26mMultiple Airlines

Wed 5/217:00 amSTL - HND

2 stops26h 30mMultiple Airlines

Deal found 4/30

$1,597

Mon 5/1210:05 pmHND - STL

2 stops32h 55mAir France

Tue 5/201:09 pmSTL - HND

2 stops26h 46mAir France

Deal found 4/30

$1,680

Mon 5/129:45 pmHND - STL

2 stops31h 02mTurkish Airlines

Thu 5/228:10 amSTL - HND

2 stops45h 10mTurkish Airlines

Deal found 4/30

$4,038

Tue 5/1311:55 amHND - STL

1 stop25h 09mJapan Airlines

Tue 5/206:52 amSTL - HND

1 stop17h 28mJapan Airlines

Deal found 4/30

$1,747

Tue 5/1312:20 amHND - STL

2 stops34h 38mBritish Airways

Sat 5/174:52 pmSTL - HND

2 stops28h 03mBritish Airways

Deal found 4/30

$2,087

Wed 5/146:10 pmHND - STL

1 stop32h 26mAir Canada

Sat 5/175:29 pmSTL - HND

2 stops56h 21mAir Canada

Deal found 4/30

$1,362

One-way flights from Japan to St. Louis
Search for one-way flight options from Japan to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Mon 6/166:10 pmHND - STL

1 stop32h 26mAir Canada

Deal found 4/30

$591

Mon 6/164:30 pmHND - STL

1 stop17h 05mAmerican Airlines

Deal found 4/30

$620

Mon 9/13:15 pmHND - STL

1 stop19h 15mDelta

Deal found 4/30

$629

Sun 8/311:30 amHND - STL

2 stops36h 29mMultiple Airlines

Deal found 4/30

$844

Tue 6/1712:40 pmHND - STL

2 stops49h 19mEVA Air

Deal found 4/30

$899

Sun 6/1510:50 pmHND - STL

2 stops63h 09mQatar Airways

Deal found 4/30

$1,257

Sat 7/2610:05 amHND - STL

2 stops26h 52mCathay Pacific

Deal found 4/30

$1,289

Sun 6/1512:05 amHND - STL

2 stops36h 10mEmirates

Deal found 4/30

$1,577

Tue 7/11:55 amHND - STL

2 stops50h 31mPhilippine Airlines

Deal found 5/1

$1,856

Wed 7/21:30 amHND - STL

2 stops41h 24mAsiana Airlines

Deal found 4/30

$2,565

Mon 6/1610:40 amHND - STL

3 stops24h 45mUnited Airlines

Deal found 4/30

$2,793

Cheapflights Fare Finder

Use the filters below to find and compare flights from Japan to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Wed 7/16

3:15 pm-8:36 pm

1 stop19h 21m

Lambert-St Louis

Fri 8/22

6:30 am-1:05 pm

1 stop16h 35m

$993

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Fri 6/6

6:10 pm-12:20 pm

2 stops32h 10m

Lambert-St Louis

Sun 6/8

7:30 am-3:50 pm

1 stop18h 20m

$1,321

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Mon 5/12

6:10 pm-12:36 pm

1 stop32h 26m

Lambert-St Louis

Wed 5/21

7:00 am-11:30 pm

2 stops26h 30m

$1,597

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Mon 5/12

10:05 pm-5:00 pm

2 stops32h 55m

Lambert-St Louis

Tue 5/20

1:09 pm-5:55 am

2 stops26h 46m

$1,680

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Tue 5/13

11:55 am-11:04 pm

1 stop25h 09m

Lambert-St Louis

Tue 5/20

6:52 am-2:20 pm

1 stop17h 28m

$1,747

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Wed 5/14

3:45 pm-7:23 pm

1 stop17h 38m

Lambert-St Louis

Sat 5/17

5:29 pm-3:55 pm

1 stop32h 26m

$1,936

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Tue 5/13

12:20 am-8:58 pm

2 stops34h 38m

Lambert-St Louis

Sat 5/17

4:52 pm-10:55 am

2 stops28h 03m

$2,087

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Mon 5/12

9:45 pm-2:47 pm

2 stops31h 02m

Lambert-St Louis

Thu 5/22

8:10 am-7:20 pm

2 stops45h 10m

$4,038

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Mon 6/16

6:10 pm-12:36 pm

1 stop32h 26m

$591

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Mon 6/16

4:30 pm-7:35 pm

1 stop17h 05m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 19 results

Best time to book a flight from Japan to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Japan with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Japan to St. Louis

What is the cheapest time of day to fly from JP to STL?

When flying from Japan to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

To help decide which airline to fly from Japan to St. Louis, see what other customers have to say about EVA Air, Japan Airlines and Asiana Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

EVA Air

8.4

Very good

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Japan Airlines

8.3

Very good

1,464 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Asiana Airlines

8.2

Very good

442 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Emirates

8.0

Very good

3,217 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Delta

8.0

Very good

7,934 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

What airport do you fly into for flights to St. Louis from Japan?
If you book a flight to St. Louis from Japan, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.
What are the cheapest airlines to fly from Japan to St. Louis one-way?
The cheapest airlines for a one-way flight from Japan to St. Louis are Air Canada ($591), American Airlines ($620), and Delta ($629).
What are the most popular routes from Japan to St. Louis?
The most popular route from Japan to St. Louis is Tokyo Haneda - Lambert-St Louis. You may also consider Fukuoka - Lambert-St Louis or Okinawa Naha - Lambert-St Louis.
Can I find deals for flights from Japan to St. Louis that include hotel bookings?
Yes. In addition to deals on Japan to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Japan to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Japan to St. Louis.
Can I find deals for business class flights from Japan to St. Louis?
Yes. Cheapflights offers flight deals from Japan to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Japan to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Japan to St. Louis (average of $311). Flying from Japan to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Fenton

Maryland Heights

Fairview Heights

Collinsville

Wentzville

Eureka

St. Peters

Festus

Glencoe

Alton

Farmington

O'Fallon

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Top 3 airlines flying from Japan to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$637	Average$984	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$787	Average$1,104	FlexibilityNo cancel fee	On-time69%
Japan Airlines	Cheapest$1,148	Average$1,555	FlexibilityNo cancel fee	On-time79%

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$591+ Cheap flights from Japan to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Japan to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Japan to St. Louis

Keep the following information in mind while searching for Japan to St. Louis flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Japan to St. Louis

Cheapest flights from Japan to St. LouisExplore the most affordable flight options available from Japan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Japan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Japan to St. Louis that are best for you.

Best time to book a flight from Japan to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Japan with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Japan to St. Louis

What is the cheapest time of day to fly from JP to STL?

Find hourly flight availability from Japan to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Related info for your journey

Find useful and relevant information for your journey from Japan to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to St. Louis from Japan?

What are the cheapest airlines to fly from Japan to St. Louis one-way?

What are the most popular routes from Japan to St. Louis?

Can I find deals for flights from Japan to St. Louis that include hotel bookings?

How can I find direct flights from Japan to St. Louis?

Can I find deals for business class flights from Japan to St. Louis?

What is the cheapest month to book a flight from Japan to St. Louis?

Traveling to a place near Japan?

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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Japan to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Japan to St. Louis

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Cheapest flights from Japan to St. Louis
Explore the most affordable flight options available from Japan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.