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$324+ Cheap flights from Missouri 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Missouri to Japan

Keep the following information in mind while searching for Missouri to Japan flight deals. Data was last updated September 15, 2025.

Round-trip from

$667
(United Airlines)

One-way from

$324
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$1,079
From Missouri to Japan
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One-way flight from Missouri to Japan
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Highest demand for flights based on searches. 1% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Missouri to Japan

Cheapest flights from Missouri to Japan
Explore the most affordable flight options available from Missouri to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 9/185:18 amSTL - NRT
1 stop19h 42mAmerican Airlines
Wed 10/86:30 pmNRT - STL
1 stop16h 23mAmerican Airlines
Deal found 9/13$661
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 9/195:18 amSTL - NRT
1 stop19h 42mAmerican Airlines
Sat 10/46:30 pmNRT - STL
1 stop18h 20mAmerican Airlines
Deal found 9/14$689
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:00 amSTL - NRT
1 stop20h 00mAlaska Airlines
Mon 9/296:25 pmNRT - STL
1 stop19h 34mAlaska Airlines
Deal found 9/12$705
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Wed 9/178:10 amSTL - HND
1 stop17h 45mANA
Fri 9/1910:25 amHND - STL
1 stop18h 01mANA
Deal found 9/13$708
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/205:11 amSTL - NRT
1 stop19h 49mAmerican Airlines
Wed 10/295:30 pmNRT - STL
1 stop17h 23mAmerican Airlines
Deal found 9/12$711
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/175:15 amSTL - HND
2 stops20h 00mUnited Airlines
Fri 9/1910:40 amHND - STL
1 stop15h 45mUnited Airlines
Deal found 9/13$715
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/1511:05 amSTL - HND
2 stops27h 25mUnited Airlines
Wed 9/175:45 pmHND - STL
1 stop19h 59mUnited Airlines
Deal found 9/12$719
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 9/146:35 amSTL - HND
1 stop19h 20mUnited Airlines
Tue 9/303:50 pmHND - STL
2 stops18h 56mUnited Airlines
Deal found 9/13$724
This United Airlines deal was found by Cheapflights users on 9/13. 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 9/275:28 pmSTL - HND
1 stop32h 27mUnited Airlines
Tue 9/303:50 pmHND - STL
2 stops18h 56mUnited Airlines
Deal found 9/13$725
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 9/146:00 amSTL - NRT
1 stop18h 30mUnited Airlines
Tue 9/304:30 pmNRT - STL
2 stops20h 05mUnited Airlines
Deal found 9/13$726
This Expedia deal was found by Cheapflights users on 9/14. 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.
Fri 9/195:30 pmSTL - KIX
2 stops55h 20mUnited Airlines
Tue 9/304:50 pmKIX - STL
3 stops43h 10mUnited Airlines
Deal found 9/14$727
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/155:49 pmSTL - KIX
1 stop31h 01mUnited Airlines
Thu 9/254:50 pmKIX - STL
2 stops19h 10mUnited Airlines
Deal found 9/15$729

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 September 15, 2025.
Use the filters below to find and compare flights from Missouri to Japan that are best for you.

Fly from

Missouri

Fly to

Japan

Route

Depart

Return

Price

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/9

2:45 pm-4:50 am

2 stops23h 05m

Tokyo Haneda

Fri 2/27

7:40 pm-10:56 pm

2 stops18h 16m

$670

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Thu 1/15

6:30 am-5:45 pm

1 stop20h 15m

Tokyo Haneda

Fri 1/30

7:40 pm-10:58 pm

2 stops18h 18m

$717

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Thu 1/15

7:05 pm-3:20 pm

2 stops29h 15m

Tokyo Haneda

Fri 1/30

5:20 pm-11:40 pm

2 stops21h 20m

$719

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/28

6:00 am-4:00 pm

1 stop20h 00m

Tokyo Narita

Wed 10/8

6:25 pm-12:03 am

1 stop19h 38m

$731

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 9/28

9:20 am-3:55 pm

1 stop16h 35m

Tokyo Haneda

Thu 10/9

5:45 pm-11:44 pm

1 stop19h 59m

$732

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/29

6:15 am-2:00 pm

1 stop17h 45m

Tokyo Narita

Fri 10/3

4:30 pm-11:58 pm

1 stop21h 28m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/28

5:00 am-2:15 pm

2 stops19h 15m

Tokyo Narita

Thu 10/9

5:00 pm-6:57 pm

1 stop15h 57m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/29

6:15 am-2:00 pm

1 stop17h 45m

Tokyo Narita

Fri 10/24

4:40 pm-10:00 pm

2 stops19h 20m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/29

6:00 am-2:30 pm

1 stop18h 30m

Tokyo Narita

Thu 10/2

4:30 pm-8:46 pm

1 stop18h 16m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/28

6:15 am-2:00 pm

1 stop17h 45m

Tokyo Narita

Wed 10/8

5:00 pm-10:00 pm

2 stops19h 00m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Missouri 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 Missouri to Japan

What is the cheapest month to book a flight from Missouri to Japan?

Currently, February is the cheapest month in which you can book a flight from Missouri to Japan (average of $902). Flying from Missouri to Japan in December is currently the most expensive (average of $1,502). 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 MO to JP?

Find hourly flight availability from Missouri 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Japan as you normally would.

Related info for your journey

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

  • How long is the flight from Missouri to Japan?

    Airlines like United Airlines, Delta, and Alaska Airlines fly from Missouri to Japan in about 20h. The time it takes to get you to your destination can typically vary by up to 9h 15m. There are 6350 mi between Missouri and Japan. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Japan one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $388. Users have also found prices from $403 and $408 on Air Canada and ANA, respectively.

  • Can I find deals for flights from Missouri to Japan that include hotel bookings?

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

  • How can I find direct flights from Missouri to Japan?

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

  • Can I find deals for business class flights from Missouri to Japan?

    Yes. Cheapflights offers flight deals from Missouri 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 Missouri to Japan?

    Currently, February is the cheapest month in which you can book a flight from Missouri to Japan (average of $902). Flying from Missouri to Japan in December is currently the most expensive (average of $1,502). 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 Missouri to Japan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Missouri to Japan

Discover the top 8 airlines that operate flights from Missouri 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$593Average$1,154FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$629Average$886FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$691Average$1,148FlexibilityNo cancel feeOn-time79%
ANACheapest$703Average$1,178FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$716Average$1,271FlexibilityNo cancel feeOn-time69%
DeltaCheapest$723Average$1,236FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$725Average$781FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$739Average$820FlexibilityNo cancel feeOn-time85%

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