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$375+ Cheap flights from St. Louis (STL) to Japan

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from St. Louis to Japan

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Japan (JP0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from St. Louis to Japan

Cheapest flights from St. Louis to Japan
Explore the most affordable flight options available from St. Louis to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 12/67:00 amSTL - KIX
1 stop18h 35mUnited Airlines
Sat 12/146:30 pmKIX - STL
2 stops30h 46mUnited Airlines
Deal found 11/19$769
This Ovago deal was found by Cheapflights users on 11/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:25 amSTL - ITM
2 stops20h 10mJapan Airlines
Sat 12/147:35 pmITM - STL
2 stops43h 37mJapan Airlines
Deal found 11/19$810
This Air Canada deal was found by Cheapflights users on 11/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/193:50 pmSTL - NRT
2 stops33h 40mAir Canada
Tue 11/266:45 pmNRT - STL
2 stops35h 21mAir Canada
Deal found 11/18$812
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:17 amSTL - NRT
1 stop19h 13mAmerican Airlines
Mon 12/95:30 pmNRT - STL
1 stop20h 03mAmerican Airlines
Deal found 11/19$817
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/34:03 pmSTL - HND
2 stops22h 02mAmerican Airlines
Sat 12/78:25 pmHND - STL
2 stops18h 29mAmerican Airlines
Deal found 11/19$821
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/31:10 pmSTL - HND
1 stop36h 40mUnited Airlines
Sat 12/76:20 pmHND - STL
1 stop18h 16mUnited Airlines
Deal found 11/19$822
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/37:00 amSTL - NRT
1 stop17h 00mUnited Airlines
Mon 12/95:45 pmNRT - STL
2 stops17h 56mUnited Airlines
Deal found 11/19$822
This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 12/36:00 amSTL - HND
2 stops18h 20mDelta
Mon 12/95:35 pmHND - STL
2 stops21h 08mDelta
Deal found 11/19$826
This Gurufare deal was found by Cheapflights users on 11/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/283:45 pmSTL - FUK
2 stops26h 15mJapan Airlines
Tue 12/107:30 amFUK - STL
2 stops18h 56mJapan Airlines
Deal found 11/20$852
This CheapOair deal was found by Cheapflights users on 11/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/296:17 amSTL - OKA
2 stops36h 03mJapan Airlines
Fri 12/612:40 pmOKA - STL
2 stops26h 32mJapan Airlines
Deal found 11/18$867
This Gurufare deal was found by Cheapflights users on 11/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/245:17 amSTL - HND
1 stop22h 08mJapan Airlines
Tue 11/2610:50 amHND - STL
1 stop19h 24mJapan Airlines
Deal found 11/20$919
This Booking.com deal was found by Cheapflights users on 11/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:40 pmSTL - HND
2 stops32h 00mAir Canada
Tue 12/106:50 pmHND - STL
2 stops59h 44mAir Canada
Deal found 11/19$934

Find flights from St. Louis to Japan within your budget

Customize your flight search to find flights from St. Louis to Japan 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Wed 2/5

5:40 am-2:15 pm

2 stops41h 35m

Osaka Kansai Intl

Fri 2/21

6:45 am-11:25 am

2 stops19h 40m

$724

St. LouisOkinawa

STL - OKA

STLOKA

Lambert-St Louis

Fri 2/7

7:00 am-8:00 pm

2 stops22h 00m

Okinawa Naha

Thu 2/20

12:40 pm-11:08 pm

2 stops25h 28m

$733

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Fri 12/6

7:00 am-4:35 pm

1 stop18h 35m

Osaka Kansai Intl

Sat 12/14

6:30 pm-10:16 am

2 stops30h 46m

$769

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 2/22

7:04 am-3:30 pm

1 stop17h 26m

Tokyo Narita

Mon 3/3

5:10 pm-11:08 pm

1 stop20h 58m

$808

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 2/15

5:50 pm-2:35 pm

2 stops29h 45m

Tokyo Haneda

Mon 2/24

5:20 pm-9:49 pm

2 stops19h 29m

$809

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 2/15

11:20 am-4:30 pm

2 stops38h 10m

Tokyo Narita

Fri 2/28

6:00 pm-3:40 pm

2 stops36h 40m

$810

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Fri 12/6

6:25 am-5:35 pm

2 stops20h 10m

Osaka Itami

Sat 12/14

7:35 pm-12:12 am

2 stops43h 37m

$810

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 1/14

5:40 am-2:55 pm

1 stop18h 15m

Tokyo Haneda

Sun 1/19

4:25 pm-9:35 pm

1 stop20h 10m

$815

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 12/3

5:17 am-3:30 pm

1 stop19h 13m

Tokyo Narita

Mon 12/9

5:30 pm-10:33 pm

1 stop20h 03m

$817

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 12/3

4:03 pm-5:05 am

2 stops22h 02m

Tokyo Haneda

Sat 12/7

8:25 pm-11:54 pm

2 stops18h 29m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 45 results
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Best time to book a flight from St. Louis to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from St. Louis 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.

Travel insights for flights from St. Louis to Japan

Get recent, data-driven insights about flights from St. Louis to Japan including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Japan (average of $954). Flying from St. Louis to Japan in March is currently the most expensive (average of $1,268). 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 is the cheapest time of day to fly from STL to JP?

Find hourly flight availability from St. Louis to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from St. Louis to Japan, 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 Japan by month

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

In terms of precipitation, rainfall in Japan ranges from 2.0 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. January is typically the driest time to visit Japan when rainfall is around 2.0 in.

Temperature in Japan by month

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

If weather is an important factor for your trip to Japan, use this chart to help with planning. For those seeking warmer temperatures, August 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 42.8 F).

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. 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 Japan. Reviews last updated November 20, 2024.
To help decide which airline to fly from St. Louis to Japan, see what other customers have to say about ANA, Air Canada and United 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.
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,024 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

ANA
8.4
Very good
833 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,460 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,756 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Cathay Pacific
7.6
Good
878 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Japan. 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 from for flights from St. Louis to Japan?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Japan. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    The cheapest airlines for a one-way flight from St. Louis to Japan are Japan Airlines ($399), Delta ($404), and American Airlines ($408).

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

    While some choose either Lambert-St Louis - Tokyo Narita or Lambert-St Louis - Osaka Kansai Intl, Lambert-St Louis - Tokyo Haneda is the most popular route from St. Louis to Japan.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Japan 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 St. Louis to Japan?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Japan (average of $954). Flying from St. Louis to Japan in March is currently the most expensive (average of $1,268). 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

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Alternative routes for St. Louis to Japan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from St. Louis to Japan

Discover the top 6 airlines that operate flights from St. Louis to Japan. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$408Average$1,341FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$766Average$1,109FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$817Average$1,428FlexibilityNo cancel feeOn-time69%
DeltaCheapest$865Average$1,537FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$879Average$1,236FlexibilityNo cancel feeOn-time67%
ANACheapest$880Average$1,481FlexibilityNo cancel feeOn-time80%
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