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$291+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TYO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Tokyo are usually found in September or January, booked 89 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 December 18, 2025.

This Air Canada deal was found by Cheapflights users on 12/17. 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 12/284:05 pmSTL - NRT
1 stop33h 25mAir Canada
Tue 1/136:45 pmNRT - STL
2 stops35h 44mAir Canada
Deal found 12/17$960
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:05 pmSTL - HND
1 stop33h 35mAir Canada
Tue 1/136:50 pmHND - STL
2 stops31h 12mAir Canada
Deal found 12/15$1,011
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amSTL - NRT
2 stops43h 30mMultiple Airlines
Thu 12/256:45 pmNRT - STL
2 stops35h 44mMultiple Airlines
Deal found 12/17$1,278
This FlightHub deal was found by Cheapflights users on 12/17. 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 12/226:35 pmSTL - NRT
2 stops54h 55mAir Canada
Mon 12/296:15 pmNRT - STL
2 stops57h 12mAir Canada
Deal found 12/17$1,490
This Booking.com deal was found by Cheapflights users on 12/17. 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.
Sun 12/216:30 amSTL - NRT
2 stops43h 00mAir Canada
Tue 12/236:45 pmNRT - STL
2 stops35h 44mAir Canada
Deal found 12/17$1,560
This Booking.com deal was found by Cheapflights users on 12/17. 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.
Sun 12/216:30 amSTL - NRT
2 stops43h 00mAir Canada
Sat 12/276:45 pmNRT - STL
2 stops35h 44mAir Canada
Deal found 12/17$1,593
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:00 pmSTL - NRT
2 stops60h 30mAir Canada
Wed 12/246:15 pmNRT - STL
2 stops42h 28mAir Canada
Deal found 12/16$1,598
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amSTL - NRT
2 stops43h 30mMultiple Airlines
Wed 12/246:45 pmNRT - STL
1 stop35h 44mMultiple Airlines
Deal found 12/17$1,680
This FlightHub deal was found by Cheapflights users on 12/17. 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 12/288:05 amSTL - HND
1 stop18h 40mANA
Tue 1/136:20 pmHND - STL
1 stop16h 07mANA
Deal found 12/17$1,750
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/285:16 amSTL - NRT
1 stop19h 14mAmerican Airlines
Tue 1/135:30 pmNRT - STL
1 stop20h 29mAmerican Airlines
Deal found 12/17$1,758
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/282:45 pmSTL - HND
2 stops23h 05mUnited Airlines
Tue 1/134:25 pmHND - STL
2 stops19h 48mUnited Airlines
Deal found 12/15$1,761
This Delta deal was found by Cheapflights users on 12/17. 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.
Sun 12/287:02 pmSTL - HND
2 stops29h 18mDelta
Tue 1/134:50 pmHND - STL
2 stops19h 45mDelta
Deal found 12/17$1,763

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$642
(Air Canada)

One-way from

$291
(SmartFares)

Popular in

June

Cheapest in

September

Average price

$987
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 Lambert-St Louis to Tokyo (TYO)
Search Deals
One-way flight from Lambert-St Louis to Tokyo (TYO)
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($249 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 - NRT

STLNRT

Lambert-St Louis

Tue 2/24

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Thu 3/5

6:15 pm-3:29 pm

2 stops36h 14m

$642

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 1/10

6:19 pm-4:00 pm

1 stop30h 41m

Tokyo Narita

Fri 1/23

6:30 pm-10:46 pm

1 stop19h 16m

$678

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 1/17

6:19 pm-4:00 pm

1 stop30h 41m

Tokyo Narita

Wed 1/21

6:30 pm-1:54 pm

1 stop34h 24m

$686

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/2

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Thu 2/5

6:30 pm-1:54 pm

1 stop34h 24m

$686

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Fri 1/16

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Fri 1/23

6:30 pm-10:46 pm

1 stop19h 16m

$705

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 1/26

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Mon 2/2

6:30 pm-1:54 pm

1 stop34h 24m

$713

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Thu 2/5

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Wed 2/11

6:15 pm-9:05 pm

2 stops41h 50m

$715

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/9

7:15 am-6:30 pm

1 stop20h 15m

Tokyo Haneda

Fri 2/27

8:25 pm-11:48 pm

1 stop18h 23m

$738

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 2/24

7:41 am-5:45 pm

1 stop19h 04m

Tokyo Haneda

Thu 3/5

9:05 pm-11:34 pm

2 stops17h 29m

$742

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 2/24

6:00 am-6:30 pm

2 stops21h 30m

Tokyo Haneda

Thu 3/5

1:05 pm-5:05 pm

2 stops19h 00m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 40 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 December 12, 2025.

Booking 89 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 $586). Flying from St. Louis to Tokyo 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.

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 December 18, 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 December 18, 2025.
Read through reviews of airlines operating flights from St. Louis to Tokyo, such as ANA, Japan Airlines, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,027 reviews

Overall

8.4

Boarding

8.6

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
ANA
8.4
Very good
1,027 reviews
ANA
8.4
Very good
1,027 reviews

Overall

8.4

Boarding

8.6

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Japan Airlines
8.3
Very good
1,662 reviews
ANA
8.4
Very good
1,027 reviews

Overall

8.4

Boarding

8.6

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Delta
7.9
Good
8,007 reviews
ANA
8.4
Very good
1,027 reviews

Overall

8.4

Boarding

8.6

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
United Airlines
7.4
Good
9,091 reviews
ANA
8.4
Very good
1,027 reviews

Overall

8.4

Boarding

8.6

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Air Canada
7.1
Good
10,534 reviews
ANA
8.4
Very good
1,027 reviews

Overall

8.4

Boarding

8.6

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

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 $742, Air Canada can have you in Tokyo from St. Louis in 19h 04m. 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 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 Japan Airlines, with the lowest prices starting at $633 and $691, respectively. Air Canada is 33% 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 American Airlines. According to our data, you can fly for as low as $372. Users have also found prices from $372 and $372 on Delta and United 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 $586). Flying from St. Louis to Tokyo 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

Traveling to a place near Tokyo?

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

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$629Average$867FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$633Average$939FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$691Average$977FlexibilityNo cancel feeOn-time79%
ANACheapest$703Average$957FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$716Average$1,055FlexibilityNo cancel feeOn-time69%
DeltaCheapest$722Average$986FlexibilityNo cancel feeOn-timeN/A

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