Cheap Flights from St. Louis (STL) to Niigata (KIJ)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Niigata Airport (KIJ)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Niigata Airport (KIJ) cost?
Get a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Niigata Airport (KIJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Niigata Airport (KIJ)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between STL and KIJ. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Niigata Airport (KIJ)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STL to KIJ flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Niigata Airport (KIJ)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Niigata Airport (KIJ) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to KIJ?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, such as the carrier and season.*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 Niigata Airport (KIJ)?
To arrive at Niigata Airport (KIJ) on time, pick a flight that takes off from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Niigata Airport (KIJ) last-minute?
Last-minute bookings from STL to KIJ are generally more expensive. To secure the lowest prices, start searching for flights as early as possible. That being said, if you're flexible with your travel dates, you may land a cheap fare right before your journey.
Is it cheaper to book a STL to KIJ flight and hotel package?
You'll typically save money by securing a STL to KIJ flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Niigata Airport (KIJ)?
In most cases, you can cancel or reschedule your STL to KIJ flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Niigata
Distance
6276 mi

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St. Louis to Niigata Flights

The cheapest times to fly from St. Louis to Niigata

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

 

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

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

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

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*Available to One Key members.