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$388+ Cheap flights from St. Louis (STL) to Tokyo (TYO)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TYO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Tokyo are usually found in September or August, booked 19 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to Tokyo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Tokyo (TYO). 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 September 16, 2025.

Round-trip from

$658
(American Airlines)

One-way from

$388
(Alaska Airlines)

Popular in

June

Cheapest in

September

Average price

$759
From Lambert-St Louis to Tokyo (TYO)
Search Deals
One-way flight from Lambert-St Louis to Tokyo (TYO)
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Highest demand for flights based on searches. 19% potential increase in price ($227 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 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 St. Louis to Tokyo

Cheapest flights from St. Louis to Tokyo
Explore the most affordable flight options available from St. Louis to Tokyo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

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.
Thu 9/185:18 amSTL - NRT
1 stop19h 42mAmerican Airlines
Wed 10/86:30 pmNRT - STL
1 stop16h 23mAmerican Airlines
Deal found 9/14$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 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 9/179:17 amSTL - HND
1 stop16h 38mANA
Fri 9/1910:25 amHND - STL
1 stop18h 01mANA
Deal found 9/13$708
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/207:01 amSTL - NRT
1 stop17h 59mAmerican Airlines
Tue 10/285:30 pmNRT - STL
1 stop19h 48mAmerican Airlines
Deal found 9/16$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 FlightHub deal was found by Cheapflights users on 9/16. 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 9/173:20 pmSTL - HND
1 stop15h 55mANA
Wed 9/2410:40 amHND - STL
1 stop15h 45mANA
Deal found 9/16$725
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:00 amSTL - NRT
1 stop18h 00mAlaska Airlines
Sun 12/146:30 pmNRT - STL
1 stop20h 29mAlaska Airlines
Deal found 9/14$731
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/179:00 amSTL - HND
2 stops20h 00mUnited Airlines
Wed 9/2410:40 amHND - STL
1 stop15h 45mUnited Airlines
Deal found 9/16$732
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amSTL - HND
1 stop25h 00mJapan Airlines
Tue 2/1010:50 amHND - STL
1 stop15h 18mJapan Airlines
Deal found 9/14$733
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 9/296:15 amSTL - NRT
1 stop17h 45mUnited Airlines
Fri 10/34:40 pmNRT - STL
2 stops19h 20mUnited Airlines
Deal found 9/15$733
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amSTL - NRT
1 stop17h 40mJapan Airlines
Tue 2/105:05 pmNRT - STL
1 stop21h 54mJapan Airlines
Deal found 9/14$734
This Booking.com deal was found by Cheapflights users on 9/16. 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 9/306:15 amSTL - NRT
1 stop17h 45mANA
Fri 10/35:00 pmNRT - STL
1 stop15h 17mANA
Deal found 9/16$735

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Tokyo 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 16, 2025.
Use the filters below to find and compare flights from St. Louis to Tokyo that are best for you.

Fly from

St. Louis

Fly to

Tokyo

Route

Depart

Return

Price

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 9/30

5:15 am-1:55 pm

2 stops18h 40m

Tokyo Haneda

Fri 10/3

3:45 pm-7:09 pm

1 stop17h 24m

$732

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 12/1

6:00 am-10:00 pm

1 stop25h 00m

Tokyo Haneda

Tue 2/10

10:50 am-11:08 am

1 stop15h 18m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/29

6:15 am-2:00 pm

1 stop17h 45m

Tokyo Narita

Fri 10/3

4:30 pm-11:58 pm

1 stop21h 28m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 9/28

5:15 am-2:15 pm

2 stops19h 00m

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

Sun 9/28

6:15 am-2:00 pm

1 stop17h 45m

Tokyo Narita

Wed 10/8

4:40 pm-10:00 pm

2 stops19h 20m

$733

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 11/18

8:25 am-4:50 pm

1 stop17h 25m

Tokyo Haneda

Wed 12/3

10:25 am-12:15 pm

1 stop16h 50m

$762

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Fri 9/26

5:15 am-3:15 pm

2 stops20h 00m

Tokyo Haneda

Fri 10/3

6:25 pm-11:58 pm

2 stops19h 33m

$764

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 12/1

6:30 am-5:45 pm

1 stop20h 15m

Tokyo Haneda

Mon 2/9

12:50 am-9:22 am

2 stops23h 32m

$766

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 10/20

5:11 am-3:55 pm

1 stop20h 44m

Tokyo Haneda

Tue 10/28

8:25 pm-10:27 pm

1 stop16h 02m

$810

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 31 results
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Best time to book a flight from St. Louis to Tokyo

Have a flexible travel schedule? Discover the best time to fly to Tokyo 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Tokyo

How far ahead should I book a flight from St. Louis to Tokyo?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Tokyo. Price data was last updated on September 12, 2025.

Booking 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Tokyo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from St. Louis to Tokyo (average of $807). Flying from St. Louis to Tokyo in June is currently the most expensive (average of $1,218). 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 TYO?

Find hourly flight availability from St. Louis to Tokyo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

One of the essential ways to save on airfare from St. Louis to Tokyo is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 16% on airfare.

Reviews of airlines servicing Tokyo

Get insights into the airlines that provide service to Tokyo. 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 Tokyo. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from St. Louis to Tokyo, such as Japan Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,559 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Japan Airlines
8.3
Very good
1,559 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Delta
8.0
Very good
7,957 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
United Airlines
7.4
Good
8,924 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
American Airlines
7.2
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Air Canada
7.1
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.

Related info for your journey

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

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Tokyo. On average, Lambert-St Louis has 0 outbound flights to Tokyo per day from 6 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from St. Louis to Tokyo?

    For as low as $732, United Airlines can have you in Tokyo from St. Louis in 18h 40m. The distance from St. Louis to Tokyo is about 6383 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Tokyo round-trip?

    Flying on American Airlines is currently your cheapest option to Tokyo, with prices starting at $593. Additional round-trip tickets that might be worth considering are offered by Air Canada and Japan Airlines, with the lowest prices starting at $629 and $691, respectively. American Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Tokyo 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 $441 and $441 on United Airlines and American Airlines, respectively.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Tokyo (average of $807). Flying from St. Louis to Tokyo in June is currently the most expensive (average of $1,218). 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 Tokyo?

Book flights to Tokyo if you plan to visit one of these locations
Karuizawa
Urayasu
Saitama
Chiba
Atami
Hakone
Yokosuka
Odawara
Numazu
Yamanouchi
Yamanashi
Kawasaki

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from St. Louis to Tokyo

Discover the top 6 airlines that operate flights from St. Louis to Tokyo. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$593Average$950FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$629Average$886FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$691Average$949FlexibilityNo cancel feeOn-time79%
ANACheapest$703Average$921FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$716Average$1,103FlexibilityNo cancel feeOn-time69%
DeltaCheapest$723Average$1,086FlexibilityNo cancel feeOn-timeN/A

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