$388 Cheap Flights from St. Louis (STL) to Sapporo (CTS)

View $388 flight on Sat, Feb 7, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to New Chitose Intl. Airport (CTS)

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Cheap Flights from St. Louis to Sapporo (STL-CTS)

Prices were available within the past 7 days and start at $388 for one-way flights and $708 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 26 - Thu, Feb 5
STL
St. Louis
CTS
Sapporo
$708 Roundtrip, found 4 hours ago
$708
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Jan 26 from St. Louis to Sapporo, returning Thu, Feb 5, priced at $708 found 4 hours ago
All Nippon Airways
Mon, Jan 26 - Thu, Feb 5
STL
St. Louis
CTS
Sapporo
$724 Roundtrip, found 4 hours ago
$724
Roundtrip
found 4 hours ago
Select All Nippon Airways flight, departing Mon, Jan 26 from St. Louis to Sapporo, returning Thu, Feb 5, priced at $724 found 4 hours ago
United
Mon, Jan 26 - Thu, Feb 5
STL
St. Louis
CTS
Sapporo
$749 Roundtrip, found 4 hours ago
$749
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Jan 26 from St. Louis to Sapporo, returning Thu, Feb 5, priced at $749 found 4 hours ago
United
Sun, Jan 25 - Tue, Feb 3
STL
St. Louis
CTS
Sapporo
$749 Roundtrip, found 4 days ago
$749
Roundtrip
found 4 days ago
Select United flight, departing Sun, Jan 25 from St. Louis to Sapporo, returning Tue, Feb 3, priced at $749 found 4 days ago
United
Wed, Jan 28 - Wed, Feb 4
STL
St. Louis
CTS
Sapporo
$765 Roundtrip, found 4 days ago
$765
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 28 from St. Louis to Sapporo, returning Wed, Feb 4, priced at $765 found 4 days ago
All Nippon Airways
Tue, Feb 3 - Sat, Feb 7
STL
St. Louis
CTS
Sapporo
$775 Roundtrip, found 1 day ago
$775
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Tue, Feb 3 from St. Louis to Sapporo, returning Sat, Feb 7, priced at $775 found 1 day ago
United
Mon, Jan 26 - Thu, Feb 5
STL
St. Louis
CTS
Sapporo
$780 Roundtrip, found 4 hours ago
$780
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Jan 26 from St. Louis to Sapporo, returning Thu, Feb 5, priced at $780 found 4 hours ago
Japan Airlines
Sat, Feb 7 - Sun, Feb 15
STL
St. Louis
CTS
Sapporo
$864 Roundtrip, found 1 hour ago
$864
Roundtrip
found 1 hour ago
Select Japan Airlines flight, departing Sat, Feb 7 from St. Louis to Sapporo, returning Sun, Feb 15, priced at $864 found 1 hour ago
American Airlines
Mon, Jan 26 - Thu, Feb 5
STL
St. Louis
CTS
Sapporo
$866 Roundtrip, found 4 hours ago
$866
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Mon, Jan 26 from St. Louis to Sapporo, returning Thu, Feb 5, priced at $866 found 4 hours ago
Air Canada
Mon, Jan 12 - Tue, Jan 27
STL
St. Louis
CTS
Sapporo
$1,062 Roundtrip, found 4 days ago
$1,062
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Jan 12 from St. Louis to Sapporo, returning Tue, Jan 27, priced at $1,062 found 4 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to New Chitose Airport (CTS) cost?
Grab a cheap one-way flight from $388 or cheap return flight from $708 from Lambert-St. Louis Intl. Airport (STL) to New Chitose Airport (CTS) 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 New Chitose Airport (CTS)?
January is the cheapest month to fly from STL to CTS. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to New Chitose Airport (CTS)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from STL to CTS. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to New Chitose Airport (CTS)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to New Chitose Airport (CTS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to CTS?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, season 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 New Chitose Airport (CTS)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to New Chitose Airport (CTS) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 New Chitose Airport (CTS) last-minute?
Booking your flight from STL to CTS right before your journey is typically more expensive. But if there's some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to CTS flight and hotel package?
Securing a STL to CTS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of hotels and then add activities, car rentals and flights 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 New Chitose Airport (CTS)?
Typically, you can cancel or reschedule your STL to CTS flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further details, visit our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
New Chitose
Airlines serving
All Nippon Airways, American Airlines, Japan Airlines, United
Roundtrip price
$707
Distance
5928 mi

Book with confidence

St. Louis to Sapporo Flights

The cheapest times to fly from St. Louis to Sapporo

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

 

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

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

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 Sapporo in 2025. You can also book with separate airlines for your outbound and return journeys, from $388 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 Sapporo 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 Sapporo 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 Sapporo Flights

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*Available to One Key members.