$365 Cheap Flights from St. Louis (STL) to Tokyo (HND)

View $365 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Haneda Airport (HND)

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

Prices were available within the past 7 days and start at $365 for one-way flights and $673 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Feb 14 - Thu, Feb 26
STL
St. Louis
HND
Tokyo
$673 Roundtrip, found 2 days ago
$673
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Feb 14 from St. Louis to Tokyo, returning Thu, Feb 26, priced at $673 found 2 days ago
Air Canada
Mon, Feb 16 - Tue, Feb 24
STL
St. Louis
HND
Tokyo
$678 Roundtrip, found 6 days ago
$678
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Feb 16 from St. Louis to Tokyo, returning Tue, Feb 24, priced at $678 found 6 days ago
Air Canada
Sat, Feb 7 - Thu, Feb 12
STL
St. Louis
HND
Tokyo
$688 Roundtrip, found 17 hours ago
$688
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Sat, Feb 7 from St. Louis to Tokyo, returning Thu, Feb 12, priced at $688 found 17 hours ago
American Airlines
Wed, Feb 11 - Wed, Feb 25
STL
St. Louis
HND
Tokyo
$697 Roundtrip, found 14 hours ago
$697
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Feb 11 from St. Louis to Tokyo, returning Wed, Feb 25, priced at $697 found 14 hours ago
United
Wed, Feb 11 - Wed, Feb 25
STL
St. Louis
HND
Tokyo
$697 Roundtrip, found 14 hours ago
$697
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Feb 11 from St. Louis to Tokyo, returning Wed, Feb 25, priced at $697 found 14 hours ago
American Airlines
Wed, Feb 18 - Tue, Mar 3
STL
St. Louis
HND
Tokyo
$697 Roundtrip, found 4 days ago
$697
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Feb 18 from St. Louis to Tokyo, returning Tue, Mar 3, priced at $697 found 4 days ago
American Airlines
Thu, Feb 19 - Mon, Mar 2
STL
St. Louis
HND
Tokyo
$699 Roundtrip, found 1 day ago
$699
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Feb 19 from St. Louis to Tokyo, returning Mon, Mar 2, priced at $699 found 1 day ago
United
Thu, Feb 5 - Mon, Feb 23
STL
St. Louis
HND
Tokyo
$699 Roundtrip, found 6 days ago
$699
Roundtrip
found 6 days ago
Select United flight, departing Thu, Feb 5 from St. Louis to Tokyo, returning Mon, Feb 23, priced at $699 found 6 days ago
All Nippon Airways
Tue, Jan 13 - Wed, Jan 28
STL
St. Louis
HND
Tokyo
$713 Roundtrip, just found
$713
Roundtrip
just found
Select All Nippon Airways flight, departing Tue, Jan 13 from St. Louis to Tokyo, returning Wed, Jan 28, priced at $713 just found
Delta
Wed, Feb 11 - Wed, Feb 25
STL
St. Louis
HND
Tokyo
$730 Roundtrip, found 14 hours ago
$730
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, Feb 11 from St. Louis to Tokyo, returning Wed, Feb 25, priced at $730 found 14 hours ago

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

September is typically the cheapest month to fly

From $634 - $919 per traveler.

Alternative airports near Tokyo

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

Select flight to Haneda HND. Cheapest and Closest option available. Average driving time to city center is 15 minutes. Flights from $996
HND
Haneda
CheapestClosest
Average driving time to city center15 min
Flights from $996

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Haneda Airport (HND) cost?
Lock in a cheap one-way flight from $365 or cheap return flight from $673 from Lambert-St. Louis Intl. Airport (STL) to Haneda Airport (HND) 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 Haneda Airport (HND)?
Planning your getaway for February is a great way to save, as it's the cheapest month for flights between STL and HND. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Haneda Airport (HND)?
To find the cheapest airline flying from STL to HND, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Haneda Airport (HND)?
You'll need to hop on a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Haneda Airport (HND). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from STL to HND?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier and other factors.*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 Haneda Airport (HND)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Haneda Airport (HND) route, travel 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 Haneda Airport (HND) last-minute?
Last-minute bookings from STL to HND are usually more expensive. For the lowest prices, start searching for flights as early as possible. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a STL to HND flight and hotel package?
Booking a STL to HND flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our extensive range of accommodations and then add activities, flights and car rentals 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 Haneda Airport (HND)?
If you booked your STL to HND flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Haneda
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, Delta, Finnair, Japan Airlines, Korean Air, Lufthansa, United
Roundtrip price
$673
Distance
6387 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 February. 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 $365 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.