$1,089 Cheap Flights from St. Louis (STL) to Toyama (TOY)

View $1,089 flight on Fri, Dec 26, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Toyama Airport (TOY)

Cheap Flights from St. Louis to Toyama (STL-TOY)

Prices were available within the past 7 days and start at $1,089 for one-way flights and $3,825 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Dec 26 - Sat, Jan 3
STL
St. Louis
TOY
Toyama
$3,825 Roundtrip, found 20 hours ago
$3,825
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Fri, Dec 26 from St. Louis to Toyama, returning Sat, Jan 3, priced at $3,825 found 20 hours ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Toyama Airport (TOY) cost?
Grab a cheap one-way flight from $1,089 or cheap return flight from $3,825 from Lambert-St. Louis Intl. Airport (STL) to Toyama Airport (TOY) 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 Toyama Airport (TOY)?
Planning your trip for December is a great way to save, as it's the cheapest month for flights between STL and TOY. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Toyama Airport (TOY)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STL to TOY flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Toyama Airport (TOY)?
You'll need to hop on a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Toyama Airport (TOY). Direct flights don't operate daily on this route. However, simply 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 TOY?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Toyama Airport (TOY)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Toyama Airport (TOY) route, travel before 3 PM. Departures after this hour are 22% more likely to be 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 Toyama Airport (TOY) last-minute?
Last-minute bookings from STL to TOY are generally more expensive. To lock in the best rates, start searching for flights well ahead of time. That being said, if you're flexible with your travel plans, you may land a cheap fare right before you leave.
Is it cheaper to book a STL to TOY flight and hotel package?
You'll generally save money by securing a STL to TOY flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred flights and accommodations, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Toyama Airport (TOY)?
In most instances, you can modify or cancel your STL to TOY flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Toyama
Roundtrip price
$3,825
Distance
6411 mi

Book with confidence

St. Louis to Toyama Flights

The cheapest times to fly from St. Louis to Toyama

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 Toyama are during the month of December. You can find some of the cheapest flights from St. Louis to Toyama with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Toyama: 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 Toyama

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 Toyama in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,089 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 Toyama 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 Toyama 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 Toyama Flights

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*Available to One Key members.