$550 Cheap Flights from Nagasaki (NGS) to St. Louis (STL)

View $550 flight on Fri, Jan 23, 2026Opens in a new window

Popular airlines from Nagasaki Airport (NGS) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Nagasaki to St. Louis (NGS-STL)

Prices were available within the past 7 days and start at $550 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $550 or cheap return flight from Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from NGS to STL is , when demand is low. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline that'll fly you from NGS to STL, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to hop on a flight with a layover if you're traveling from Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from NGS to STL?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, time of year 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 Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL) route, aim to 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 Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from NGS to STL are usually more expensive. To secure the best rates, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, you may find a cheap ticket just before your departure.
Is it cheaper to book a NGS to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a NGS to STL flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Nagasaki Airport (NGS) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your NGS to STL flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Nagasaki
Destination airport
Lambert-St. Louis Intl.
Distance
6851 mi

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Nagasaki to St. Louis Flights

The cheapest times to fly from Nagasaki to St. Louis

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

 

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

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

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 Nagasaki to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from $550 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 Nagasaki to St. Louis 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 Nagasaki to St. Louis 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.

 

Nagasaki to St. Louis Flights

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