$363+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Feb 25 — Mar 41
1 adult, Economy
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Find cheap flights from St. Louis to Japan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Japan
Keep the following information in mind while searching for St. Louis to Japan flight deals. Data was last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $720 (Delta) |
One-way from | $363 (FlightHub) |
Popular in | June |
Cheapest in | February |
Average price | $854 |
Find flight deals from St. Louis to Japan
Cheapest flights from St. Louis to JapanExplore 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 February 20, 2025.
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 February 20, 2025.
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:59 pmSTL - HND
2 stops29h 16mDelta
Sat 9/203:15 pmHND - STL
1 stop19h 15mDelta
Deal found 2/20![Delta logo]()
$720
This Booking.com deal was found by Cheapflights users on 2/19. 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.
Sat 8/239:49 amSTL - NRT
1 stop15h 26mJapan Airlines
Mon 9/296:15 pmNRT - STL
1 stop32h 43mJapan Airlines
Deal found 2/19![Japan Airlines logo]()
$729
This Justfly.com deal was found by Cheapflights users on 2/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:00 amSTL - HND
1 stop18h 45mANA
Sat 12/136:20 pmHND - STL
1 stop16h 05mANA
Deal found 2/18![ANA logo]()
$732
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:15 amSTL - HND
1 stop19h 10mUnited Airlines
Thu 10/95:45 pmHND - STL
1 stop19h 50mUnited Airlines
Deal found 2/18![United Airlines logo]()
$737
This United Airlines deal was found by Cheapflights users on 2/19. 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 9/27:15 amSTL - KIX
1 stop17h 35mUnited Airlines
Fri 10/34:50 pmKIX - STL
1 stop21h 37mUnited Airlines
Deal found 2/19![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:15 amSTL - NRT
1 stop17h 45mUnited Airlines
Thu 10/95:15 pmNRT - STL
1 stop17h 55mUnited Airlines
Deal found 2/18![United Airlines logo]()
$738
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:00 amSTL - KIX
1 stop21h 45mJapan Airlines
Fri 10/38:55 pmKIX - STL
2 stops36h 59mJapan Airlines
Deal found 2/19![Japan Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 12/46:45 amSTL - OKA
2 stops45h 30mUnited Airlines
Sat 12/133:05 pmOKA - STL
2 stops41h 48mUnited Airlines
Deal found 2/19![United Airlines logo]()
$747
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:04 amSTL - OKA
2 stops22h 36mJapan Airlines
Wed 5/77:25 amOKA - STL
2 stops19h 42mJapan Airlines
Deal found 2/18![Japan Airlines logo]()
$750
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:33 amSTL - ITM
2 stops21h 32mAmerican Airlines
Fri 8/82:35 pmITM - STL
2 stops19h 12mAmerican Airlines
Deal found 2/20![American Airlines logo]()
$753
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 4/75:26 amSTL - OKA
2 stops24h 14mAmerican Airlines
Wed 5/77:25 amOKA - STL
2 stops19h 42mAmerican Airlines
Deal found 2/19![American Airlines logo]()
$755
This Justfly.com deal was found by Cheapflights users on 2/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:30 pmSTL - NRT
2 stops35h 20mAir Canada
Fri 10/104:40 pmNRT - STL
2 stops41h 17mAir Canada
Deal found 2/18![Air Canada logo]()
$770
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 2,558,603 searches. Data last updated February 20, 2025.
Fly from
St. Louis
Fly to
Japan
Route
Depart
Return
Price
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Sat 4/26
5:33 pm-1:05 pm
1 stop29h 32m
Tokyo Haneda
Wed 5/7
4:20 pm-4:45 pm
1 stop14h 25m
$720
St. LouisTokyo
STL - NRT
STLNRT
Lambert-St Louis
Mon 6/2
10:31 am-3:15 pm
1 stop14h 44m
Tokyo Narita
Thu 6/5
6:15 pm-6:56 pm
1 stop14h 41m
$738
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Sat 4/26
8:48 am-9:00 pm
2 stops22h 12m
Tokyo Haneda
Wed 5/7
3:50 pm-9:01 pm
2 stops19h 11m
$742
St. LouisTokyo
STL - NRT
STLNRT
Lambert-St Louis
Wed 4/23
6:15 am-2:00 pm
1 stop17h 45m
Tokyo Narita
Sat 5/3
5:15 pm-9:58 am
2 stops30h 43m
$744
St. LouisOkinawa
STL - OKA
STLOKA
Lambert-St Louis
Mon 4/7
7:04 am-7:40 pm
2 stops22h 36m
Okinawa Naha
Wed 5/7
7:25 am-1:07 pm
2 stops19h 42m
$750
St. LouisOsaka
STL - ITM
STLITM
Lambert-St Louis
Tue 7/29
7:33 am-7:05 pm
2 stops21h 32m
Osaka Itami
Fri 8/8
2:35 pm-7:47 pm
2 stops19h 12m
$753
St. LouisTokyo
STL - NRT
STLNRT
Lambert-St Louis
Wed 7/30
9:49 am-3:15 pm
1 stop15h 26m
Tokyo Narita
Thu 8/7
6:15 pm-7:47 pm
1 stop15h 32m
$755
St. LouisOkinawa
STL - OKA
STLOKA
Lambert-St Louis
Mon 4/7
5:26 am-7:40 pm
2 stops24h 14m
Okinawa Naha
Wed 5/7
7:25 am-1:07 pm
2 stops19h 42m
$755
St. LouisTokyo
STL - NRT
STLNRT
Lambert-St Louis
Sun 4/20
3:30 pm-3:25 pm
2 stops33h 55m
Tokyo Narita
Wed 4/30
5:35 pm-12:36 pm
2 stops33h 01m
$771
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Mon 3/31
5:35 pm-3:50 pm
2 stops32h 15m
Tokyo Haneda
Mon 5/12
6:10 pm-12:36 pm
1 stop32h 26m
$795
Showing 1-10 of 50 results
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 $866). Flying from St. Louis to Japan in December is currently the most expensive (average of $1,687). 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 February 20, 2025.
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 February 20, 2025.
To help decide which airline to fly from St. Louis to Japan, see what other customers have to say about ANA, Korean Air and Japan 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.
Entertainment
7.9
Boarding
8.5
Overall
8.4
Comfort
8.2
Food
7.7
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2025
MNL - HND
Entertainment
7.9
Boarding
8.5
Overall
8.4
Comfort
8.2
Food
7.7
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2025
MNL - HND
Entertainment
7.9
Boarding
8.5
Overall
8.4
Comfort
8.2
Food
7.7
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2025
MNL - HND
Entertainment
7.9
Boarding
8.5
Overall
8.4
Comfort
8.2
Food
7.7
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2025
MNL - HND
Entertainment
7.9
Boarding
8.5
Overall
8.4
Comfort
8.2
Food
7.7
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2025
MNL - HND
Entertainment
7.9
Boarding
8.5
Overall
8.4
Comfort
8.2
Food
7.7
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2025
MNL - HND
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.
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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.
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 2,558,603 searches. Data last updated February 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$408 | Average$1,297 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$714 | Average$988 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$729 | Average$1,280 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$735 | Average$1,543 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$745 | Average$1,356 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$870 | Average$1,231 | FlexibilityNo cancel fee | On-time67% |