$361 Cheap Flights from St. Louis (STL) to Tokyo (NRT)

View $361 flight on Tue, Jan 20, 2026Opens in a new window

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

Cheap Flights from St. Louis to Tokyo (STL-NRT)

Prices were available within the past 7 days and start at $361 for one-way flights and $635 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Jan 24 - Mon, Jan 26
STL
St. Louis
NRT
Tokyo
$635 Roundtrip, found 2 days ago
$635
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 24 from St. Louis to Tokyo, returning Mon, Jan 26, priced at $635 found 2 days ago
Hawaiian Airlines
Sat, Jan 24 - Fri, Feb 6
STL
St. Louis
NRT
Tokyo
$636 Roundtrip, found 2 days ago
$636
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 24 from St. Louis to Tokyo, returning Fri, Feb 6, priced at $636 found 2 days ago
Hawaiian Airlines
Wed, Jan 21 - Fri, Jan 23
STL
St. Louis
NRT
Tokyo
$653 Roundtrip, found 2 days ago
$653
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from St. Louis to Tokyo, returning Fri, Jan 23, priced at $653 found 2 days ago
United
Sun, Feb 1 - Wed, Feb 11
STL
St. Louis
NRT
Tokyo
$654 Roundtrip, found 23 hours ago
$654
Roundtrip
found 23 hours ago
Select United flight, departing Sun, Feb 1 from St. Louis to Tokyo, returning Wed, Feb 11, priced at $654 found 23 hours ago
United
Fri, Jan 23 - Tue, Feb 3
STL
St. Louis
NRT
Tokyo
$655 Roundtrip, found 23 hours ago
$655
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Jan 23 from St. Louis to Tokyo, returning Tue, Feb 3, priced at $655 found 23 hours ago
United
Fri, Jan 23 - Mon, Feb 2
STL
St. Louis
NRT
Tokyo
$656 Roundtrip, found 2 days ago
$656
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 23 from St. Louis to Tokyo, returning Mon, Feb 2, priced at $656 found 2 days ago
United
Sat, Jan 24 - Wed, Feb 4
STL
St. Louis
NRT
Tokyo
$658 Roundtrip, found 2 days ago
$658
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jan 24 from St. Louis to Tokyo, returning Wed, Feb 4, priced at $658 found 2 days ago
All Nippon Airways
Tue, Jan 20 - Wed, Feb 4
STL
St. Louis
NRT
Tokyo
$670 Roundtrip, found 2 days ago
$670
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Tue, Jan 20 from St. Louis to Tokyo, returning Wed, Feb 4, priced at $670 found 2 days ago
American Airlines
Mon, Jan 12 - Thu, Jan 22
STL
St. Louis
NRT
Tokyo
$699 Roundtrip, found 4 days ago
$699
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jan 12 from St. Louis to Tokyo, returning Thu, Jan 22, priced at $699 found 4 days ago
Alaska Airlines
Tue, Feb 17 - Thu, Feb 26
STL
St. Louis
NRT
Tokyo
$701 Roundtrip, found 22 hours ago
$701
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Tue, Feb 17 from St. Louis to Tokyo, returning Thu, Feb 26, priced at $701 found 22 hours ago

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

September is typically the cheapest month to fly

From $545 - $868 per traveler.

Alternative airports near Tokyo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Narita Intl. NRT. Cheapest and Closest option available. Average driving time to city center is 53 minutes. Flights from $843
NRT
Narita Intl.
CheapestClosest
Average driving time to city center53 min
Flights from $843

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT) cost?
Lock in a cheap one-way flight from $361 or cheap return flight from $635 from Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT)?
Traveling in January can help you save, as it's the cheapest month for flights between STL and NRT. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from STL to NRT. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT)?
There are no daily direct flights available from Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from STL to NRT?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT) last-minute?
Holding off until right before your break to book a ticket from STL to NRT often results in higher prices. While you may find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a STL to NRT flight and hotel package?
Securing a STL to NRT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Narita Intl. Airport (NRT)?
Typically, you can modify or cancel your STL to NRT flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further details, visit our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Narita Intl.
Airlines serving
Air Canada, Alaska Airlines, All Nippon Airways, American Airlines, Delta, Hawaiian Airlines, Japan Airlines, Korean Air, United
Roundtrip price
$635
Distance
6354 mi

Book with confidence

St. Louis to Tokyo Flights

The cheapest times to fly from St. Louis to Tokyo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Tokyo are during the month of January. You can find some of the cheapest flights from St. Louis to Tokyo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Tokyo

Sunday is one of the best days to book for cheap flights from St. Louis to Tokyo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Tokyo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Tokyo in 2025. You can also book with separate airlines for your outbound and return journeys, from $361 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Tokyo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Tokyo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Tokyo Flights

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*Available to One Key members.