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$327+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TYO
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Tokyo are usually found in September or January, booked 2 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$774
(United Airlines)

One-way from

$327
(Alaska Airlines)

Popular in

June

Cheapest in

September

Average price

$855
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.
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From Lambert-St Louis to Tokyo (TYO)
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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 ($234 potential increase over avg. RT price).
Search Deals
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 October 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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 11/310:00 amSTL - HND
1 stop16h 45mUnited Airlines
Wed 11/54:25 pmHND - STL
2 stops20h 29mUnited Airlines
Deal found 10/30$772
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/95:24 pmSTL - HND
1 stop33h 21mUnited Airlines
Wed 11/124:25 pmHND - STL
1 stop15h 02mUnited Airlines
Deal found 10/30$774
This FlightHub deal was found by Cheapflights users on 10/30. 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.
Sun 11/25:30 amSTL - HND
1 stop20h 15mANA
Tue 11/46:20 pmHND - STL
1 stop16h 19mANA
Deal found 10/30$778
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Fri 12/56:42 pmSTL - HND
2 stops30h 58mAir Canada
Fri 12/196:50 pmHND - STL
1 stop35h 39mAir Canada
Deal found 10/29$779
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Sun 12/74:05 pmSTL - HND
1 stop33h 35mAir Canada
Sun 12/146:50 pmHND - STL
1 stop35h 39mAir Canada
Deal found 10/29$780
This FlightHub deal was found by Cheapflights users on 10/30. 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 12/14:05 pmSTL - NRT
2 stops33h 15mAir Canada
Mon 12/86:45 pmNRT - STL
2 stops35h 44mAir Canada
Deal found 10/30$780
This FlightHub deal was found by Cheapflights users on 10/27. 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.
Tue 10/288:00 amSTL - HND
1 stop19h 45mANA
Tue 11/46:20 pmHND - STL
1 stop31h 31mANA
Deal found 10/27$783
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:05 amSTL - HND
1 stop16h 40mUnited Airlines
Tue 11/46:20 pmHND - STL
1 stop19h 25mUnited Airlines
Deal found 10/28$784
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:20 amSTL - NRT
1 stop17h 10mUnited Airlines
Wed 11/55:35 pmNRT - STL
1 stop19h 19mUnited Airlines
Deal found 10/28$785
This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:30 amSTL - HND
1 stop20h 15mANA
Wed 11/56:20 pmHND - STL
1 stop33h 08mANA
Deal found 10/30$786
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/25:30 amSTL - NRT
2 stops18h 10mUnited Airlines
Tue 11/45:45 pmNRT - STL
1 stop16h 02mUnited Airlines
Deal found 10/30$786
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:05 amSTL - HND
1 stop16h 40mUnited Airlines
Tue 11/412:50 amHND - STL
2 stops24h 49mUnited Airlines
Deal found 10/28$789

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 October 30, 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

Sun 11/9

5:24 pm-5:45 pm

1 stop33h 21m

Tokyo Haneda

Wed 11/12

4:25 pm-4:27 pm

1 stop15h 02m

$774

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 11/4

8:00 am-5:45 pm

1 stop18h 45m

Tokyo Haneda

Wed 11/12

4:50 pm-7:16 pm

1 stop17h 26m

$784

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 11/16

6:15 am-3:30 pm

1 stop18h 15m

Tokyo Narita

Wed 12/10

5:45 pm-9:58 pm

1 stop19h 13m

$785

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 11/4

9:00 am-3:40 pm

1 stop15h 40m

Tokyo Narita

Wed 11/12

5:35 pm-9:54 pm

1 stop19h 19m

$785

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 11/12

9:00 am-3:40 pm

1 stop15h 40m

Tokyo Narita

Wed 11/26

5:05 pm-5:39 pm

1 stop15h 34m

$785

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 11/2

5:30 am-2:40 pm

2 stops18h 10m

Tokyo Narita

Tue 11/4

5:45 pm-6:47 pm

1 stop16h 02m

$786

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 11/3

9:00 am-3:40 pm

1 stop15h 40m

Tokyo Narita

Wed 11/5

5:35 pm-4:28 pm

1 stop13h 53m

$786

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 11/25

10:00 am-5:45 pm

1 stop16h 45m

Tokyo Haneda

Tue 12/9

12:50 am-10:04 am

2 stops24h 14m

$789

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 12/8

4:05 pm-4:40 pm

1 stop33h 35m

Tokyo Haneda

Sat 12/20

6:50 pm-10:43 pm

2 stops18h 53m

$790

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 11/8

5:24 pm-5:45 pm

1 stop33h 21m

Tokyo Haneda

Wed 11/12

4:25 pm-4:27 pm

1 stop15h 02m

$790

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 30 results
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Compare providers for flights from St. Louis to Tokyo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Tokyo in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Tokyo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Tokyo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Tokyo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Tokyo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Tokyo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 2025.

Booking 2 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 $593). Flying from St. Louis to Tokyo in June is currently the most expensive (average of $934). 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 October 30, 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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 25% on airfare.

How much does it cost to fly round-trip from St. Louis to Tokyo?

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 October 30, 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
1,596 reviews

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

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
1,596 reviews
Japan Airlines
8.3
Very good
1,596 reviews

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

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
7.9
Good
7,993 reviews
Japan Airlines
8.3
Very good
1,596 reviews

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

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
8,998 reviews
Japan Airlines
8.3
Very good
1,596 reviews

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

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
11,030 reviews
Japan Airlines
8.3
Very good
1,596 reviews

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

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
10,377 reviews
Japan Airlines
8.3
Very good
1,596 reviews

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

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 $774, United Airlines can have you in Tokyo from St. Louis in 33h 21m. The distance from St. Louis to Tokyo is about 6383 mi.

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

    Flying on Air Canada is currently your cheapest option to Tokyo, with prices starting at $629. Additional round-trip tickets that might be worth considering are offered by American Airlines and ANA, with the lowest prices starting at $633 and $703, respectively. Air Canada is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $593). Flying from St. Louis to Tokyo in June is currently the most expensive (average of $934). 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
Chiba
Karuizawa
Saitama
Urayasu
Yokosuka
Odawara
Numazu
Atami
Hakone
Yamanouchi
Kawasaki
Yamanashi

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$629Average$886FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$633Average$943FlexibilityNo cancel feeOn-time71%
ANACheapest$703Average$957FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$703Average$946FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$716Average$1,084FlexibilityNo cancel feeOn-time69%
DeltaCheapest$722Average$975FlexibilityNo cancel feeOn-timeN/A

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