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CA $736 Cheap Flights from St. Louis (STL) to Tokyo (NRT)

View CA $736 flight on Mon, Jul 6, 2026Opens in a new window

Flight 1

Flight 2

Popular airlines from Lambert-St. Louis International Airport (STL) to Narita Intl. Airport (NRT)

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Cheap flights from St. Louis (STL) to Tokyo (NRT)

Prices were available within the past 7 days and start at CA $736 for one-way flights and CA $1,591 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jul 6 - Wed, Jul 15
STL
St. Louis
NRT
Tokyo
CA $1,591 Roundtrip, found 4 days ago
CA $1,591
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jul 6 from St. Louis to Tokyo, returning Wed, Jul 15, priced at CA $1,591 found 4 days ago
Japan Airlines
Mon, Jul 6 - Wed, Jul 15
STL
St. Louis
NRT
Tokyo
CA $1,755 Roundtrip, found 4 days ago
CA $1,755
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Mon, Jul 6 from St. Louis to Tokyo, returning Wed, Jul 15, priced at CA $1,755 found 4 days ago

Find the cheapest month to fly from St. Louis (STL) to Tokyo (NRT)

September is typically the cheapest month to fly

From CA $1,326 - CA $2,167 per traveller.

Frequently asked questions

How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.)?
There are approximately 58 connecting flights per day from Lambert-St. Louis Intl. (STL) to Narita Intl. (NRT). Some common connection points include O'Hare Intl. (ORD), Pearson Intl. (YYZ), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.)?
The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.) typically departs at approximately 5:00 AM local time. This service is operated by United Airlines and Air Canada. This is a seasonal service active in October. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.)?
If you're flying from St. Louis, MO (Lambert-St. Louis Intl.) to Tokyo (Narita Intl.), you'll typically find the most flights on a Saturday, with around 52 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Delta Air Lines. Looking at the overall week, Saturday offers notably more flight options compared to other days, with about 20% more flights than the average weekday.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.)?
The most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.) are in the early morning, from 6am to 9am. About 60% of passengers prefer this time. Many major carriers, including Delta Air Lines, Alaska Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to start your journey early and arrive at your destination with plenty of time to settle in.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.)?
A flight from STL to NRT with a layover takes around 17 hours 50 minutes, with the route covering approximately 6,355 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.)?
Select the "Business class" and "First class" filters when looking for STL to NRT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Tokyo from Lambert-St. Louis Intl. (STL)?
From Lambert-St. Louis Intl. (STL), you can fly into Haneda (HND) and Narita Intl. (NRT) in Tokyo. Some flights may connect through major hubs like O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW), Denver Intl. (DEN) before reaching Tokyo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tokyo (NRT-Narita Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Narita Intl.
Roundtrip price
CA $1,591
Distance
10167 km

Book with confidence

St. Louis to Narita Flights

The easy way to book your flights from St. Louis to Tokyo 

With Expedia, it’s simple to find and book flights to Tokyo from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 7 airlines that cover this route. There are nonstop flights to Narita Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Tokyo today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Narita Intl., NRT 

Sort your search results by price to find great deals on your flight from St. Louis to Tokyo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Tokyo from St. Louis currently is just CA $1,591 rising to CA $1,755.  

Here are more money-saving tips: 

  • Fly in July when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Tokyo  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Tokyo from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Tokyo with Expedia today.

St. Louis to Narita Flights

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