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$349+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This SmartFares deal was found by Cheapflights users on 1/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:41 am
STL
-
NRT
1 stop19h 19m
Multiple Airlines
Tue 9/156:00 pm
NRT
-
STL
1 stop19h 59m
Multiple Airlines
Deal found 1/27$740
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/284:30 pm
STL
-
HND
2 stops31h 20m
United Airlines
Tue 3/107:40 pm
HND
-
STL
2 stops17h 54m
United Airlines
Deal found 1/27$743
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/284:30 pm
STL
-
NRT
2 stops31h 30m
United Airlines
Tue 3/105:35 pm
NRT
-
STL
1 stop17h 06m
United Airlines
Deal found 1/27$744
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/288:05 am
STL
-
HND
1 stop18h 40m
ANA
Wed 2/410:25 am
HND
-
STL
1 stop19h 05m
ANA
Deal found 1/27$752
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Wed 1/284:05 pm
STL
-
NRT
1 stop33h 25m
Air Canada
Wed 2/46:45 pm
NRT
-
STL
2 stops31h 17m
Air Canada
Deal found 1/27$752
This Orbitz deal was found by Cheapflights users on 1/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:25 am
STL
-
NRT
2 stops42h 55m
Air Canada
Tue 3/36:45 pm
NRT
-
STL
2 stops41h 20m
Air Canada
Deal found 1/26$755
This Air Canada deal was found by Cheapflights users on 1/28. 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.
Mon 2/239:55 am
STL
-
NRT
2 stops39h 25m
Air Canada
Thu 3/56:15 pm
NRT
-
STL
2 stops36h 14m
Air Canada
Deal found 1/28$761
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Mon 9/141:30 pm
STL
-
NRT
1 stop35h 55m
Air Canada
Tue 9/225:40 pm
NRT
-
STL
1 stop38h 37m
Air Canada
Deal found 1/27$764
This FlightHub deal was found by Cheapflights users on 1/27. 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 2/238:17 am
STL
-
HND
1 stop18h 28m
ANA
Thu 3/56:20 pm
HND
-
STL
1 stop31h 16m
ANA
Deal found 1/27$765
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Mon 2/94:05 pm
STL
-
NRT
2 stops33h 15m
Air Canada
Fri 2/276:45 pm
NRT
-
STL
1 stop35h 44m
Air Canada
Deal found 1/27$765
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/235:12 am
STL
-
NRT
1 stop19h 18m
American Airlines
Thu 3/55:30 pm
NRT
-
STL
1 stop20h 28m
American Airlines
Deal found 1/27$766
This Air Canada deal was found by Cheapflights users on 1/28. 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.
Sat 4/184:05 pm
STL
-
NRT
2 stops32h 50m
Air Canada
Fri 5/15:35 pm
NRT
-
STL
1 stop16h 30m
Air Canada
Deal found 1/28$768

Find flight deals from Missouri to Japan

Keep the following information in mind while searching for Missouri to Japan flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$743
(United Airlines)

One-way from

$349
(Air Canada)

Popular in

June

Cheapest in

September

Average price

$793
Provider with most accurate pricing for Lambert-St Louis-Tokyo (TYO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Tokyo (TYO) flights.
Search Deals
From Missouri to Japan
Search Deals
One-way flight from Missouri to Japan
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Sat 2/28

4:30 pm-2:50 pm

2 stops31h 20m

Tokyo Haneda

Tue 3/10

7:40 pm-11:34 pm

2 stops17h 54m

$743

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 2/28

4:30 pm-3:00 pm

2 stops31h 30m

Tokyo Narita

Tue 3/10

5:35 pm-8:41 pm

1 stop17h 06m

$744

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/9

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Thu 2/12

6:45 pm-10:59 pm

2 stops19h 14m

$769

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Tue 2/24

5:12 am-7:55 pm

2 stops23h 43m

Osaka Itami

Tue 3/3

1:40 pm-7:29 pm

2 stops20h 49m

$775

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/9

12:44 pm-4:50 pm

1 stop37h 06m

Tokyo Haneda

Thu 2/12

4:25 pm-9:40 pm

2 stops20h 15m

$780

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 2/22

6:00 am-3:30 pm

1 stop18h 30m

Tokyo Narita

Thu 2/26

5:35 pm-4:58 pm

1 stop14h 23m

$785

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/9

6:30 am-3:40 pm

2 stops18h 10m

Tokyo Narita

Thu 2/12

5:35 pm-4:54 pm

1 stop14h 19m

$785

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/9

6:45 am-3:00 pm

1 stop17h 15m

Tokyo Narita

Fri 2/27

5:35 pm-8:26 pm

1 stop17h 51m

$786

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/9

6:00 am-5:45 pm

2 stops20h 45m

Tokyo Haneda

Thu 2/12

4:50 pm-12:25 am

2 stops22h 35m

$790

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/9

6:57 pm-3:20 pm

2 stops29h 23m

Tokyo Haneda

Fri 2/27

5:20 pm-8:43 pm

2 stops18h 23m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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, September is the cheapest month in which you can book a flight from Missouri to Japan (average of $361). Flying from Missouri to Japan in June is currently the most expensive (average of $922). 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.

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, Air Canada, and American Airlines fly from Missouri to Japan in about 23h 43m. The time it takes to get you to your destination can typically vary by up to 9h 32m. There are 6568 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 Southern / Mokulele. According to our data, you can fly for as low as $79. Users have also found prices from $83 and $240 on Southwest and American Airlines, 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, September is the cheapest month in which you can book a flight from Missouri to Japan (average of $361). Flying from Missouri to Japan in June is currently the most expensive (average of $922). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$453Average$1,127FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$593Average$1,107FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$629Average$867FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$691Average$1,121FlexibilityNo cancel feeOn-time79%
ANACheapest$703Average$1,191FlexibilityNo cancel feeOn-time80%
Alaska AirlinesCheapest$725Average$781FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$738Average$1,243FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$739Average$812FlexibilityNo cancel feeOn-time85%

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