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$521+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
FUK — STL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$1,016
(Delta)

One-way from

$521
(Delta)

Popular in

March

Cheapest in

January

Average price

$1,356
From Japan to Lambert-St Louis
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One-way flight from Japan to Lambert-St Louis
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Highest demand for flights based on searches. 30% potential increase in price ($506 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:05 pmHND - STL
2 stops22h 32mDelta
Sun 10/265:45 pmSTL - HND
1 stop34h 00mDelta
Deal found 7/1$999
This Expedia deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:30 amHND - STL
2 stops36h 29mMultiple Airlines
Sun 10/268:00 amSTL - HND
1 stop19h 45mMultiple Airlines
Deal found 7/1$1,210
This Asiana Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/151:30 amHND - STL
2 stops41h 24mAsiana Airlines
Tue 7/296:00 amSTL - HND
2 stops51h 30mAsiana Airlines
Deal found 7/1$1,414
This oojo deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:20 pmFUK - STL
2 stops42h 39mEVA Air
Sat 8/236:00 amSTL - FUK
2 stops46h 20mEVA Air
Deal found 7/1$1,508
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/163:35 pmFUK - STL
3 stops35h 57mMultiple Airlines
Sat 8/239:15 amSTL - FUK
2 stops21h 00mMultiple Airlines
Deal found 7/1$1,689
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1911:40 amFUK - STL
2 stops21h 20mUnited Airlines
Sat 8/25:41 pmSTL - FUK
2 stops33h 54mUnited Airlines
Deal found 7/2$2,635

Cheapflights Fare Finder

Customize your flight search to find flights from Japan to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Japan to St. Louis that are best for you.

Fly from

Japan

Fly to

St. Louis

Route

Depart

Return

Price

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Thu 10/23

4:05 pm-12:37 am

2 stops22h 32m

Lambert-St Louis

Sun 10/26

5:45 pm-5:45 pm

1 stop34h 00m

$999

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Wed 10/22

1:30 am-11:59 pm

2 stops36h 29m

Lambert-St Louis

Sun 10/26

8:00 am-5:45 pm

1 stop19h 45m

$1,210

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Tue 7/15

1:30 am-4:54 am

2 stops41h 24m

Lambert-St Louis

Tue 7/29

6:00 am-11:30 pm

2 stops51h 30m

$1,414

FukuokaSt. Louis

FUK - STL

FUKSTL

Fukuoka

Sat 8/16

7:20 pm-11:59 pm

2 stops42h 39m

Lambert-St Louis

Sat 8/23

6:00 am-6:20 pm

2 stops46h 20m

$1,508

FukuokaSt. Louis

FUK - STL

FUKSTL

Fukuoka

Sat 8/16

3:35 pm-1:32 pm

3 stops35h 57m

Lambert-St Louis

Sat 8/23

9:15 am-8:15 pm

2 stops21h 00m

$1,689

FukuokaSt. Louis

FUK - STL

FUKSTL

Fukuoka

Sat 7/19

11:40 am-7:00 pm

2 stops21h 20m

Lambert-St Louis

Sat 8/2

5:41 pm-5:35 pm

2 stops33h 54m

$2,635

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Fri 7/18

4:35 pm-9:34 pm

1 stop18h 59m

$521

FukuokaSt. Louis

FUK - STL

FUKSTL

Fukuoka

Wed 7/30

10:15 am-12:38 am

2 stops28h 23m

$559

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Sat 11/8

7:40 pm-9:54 pm

2 stops17h 14m

$601

FukuokaSt. Louis

FUK - STL

FUKSTL

Fukuoka

Tue 8/5

7:50 am-10:29 am

3 stops40h 39m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 13 results
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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?

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 July 3, 2025.

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.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated July 3, 2025.
See what other customers who have flown with EVA Air, Asiana Airlines, and Delta from Japan to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,215 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,215 reviews
EVA Air
8.4
Very good
1,215 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
452 reviews
EVA Air
8.4
Very good
1,215 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,982 reviews
EVA Air
8.4
Very good
1,215 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
United Airlines
7.4
Good
8,861 reviews
EVA Air
8.4
Very good
1,215 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
American Airlines
7.2
Good
10,000 reviews
EVA Air
8.4
Very good
1,215 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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?

    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 Delta ($521), United Airlines ($601), and American Airlines ($679).

  • 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

Traveling to a place near Japan?

Book flights to Japan if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

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Alternative routes for Japan to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Japan to St. Louis

Discover the top 3 airlines that operate flights from Japan to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$640Average$1,262FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$1,104FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$1,515Average$1,555FlexibilityNo cancel feeOn-time79%

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