$578 Cheap Flights from Denver (DEN) to Nagasaki (NGS)

View $578 flight on Sat, Jan 24, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Nagasaki Airport (NGS)

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Cheap Flights from Denver to Nagasaki (DEN-NGS)

Prices were available within the past 7 days and start at $578 for one-way flights and $1,214 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Jan 25 - Wed, Feb 18
DEN
Denver
NGS
Nagasaki
$1,214 Roundtrip, found 1 day ago
$1,214
Roundtrip
found 1 day ago
Select United flight, departing Sun, Jan 25 from Denver to Nagasaki, returning Wed, Feb 18, priced at $1,214 found 1 day ago
All Nippon Airways
Sat, Jan 24 - Thu, Feb 19
DEN
Denver
NGS
Nagasaki
$1,240 Roundtrip, found 1 day ago
$1,240
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sat, Jan 24 from Denver to Nagasaki, returning Thu, Feb 19, priced at $1,240 found 1 day ago
United
Sat, Jan 24 - Sat, Feb 21
DEN
Denver
NGS
Nagasaki
$1,264 Roundtrip, found 1 day ago
$1,264
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 24 from Denver to Nagasaki, returning Sat, Feb 21, priced at $1,264 found 1 day ago
United
Sat, Jan 24 - Sat, Feb 21
DEN
Denver
NGS
Nagasaki
$1,274 Roundtrip, found 1 day ago
$1,274
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 24 from Denver to Nagasaki, returning Sat, Feb 21, priced at $1,274 found 1 day ago
United
Sat, Jan 24 - Sat, Feb 21
DEN
Denver
NGS
Nagasaki
$1,277 Roundtrip, found 1 day ago
$1,277
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 24 from Denver to Nagasaki, returning Sat, Feb 21, priced at $1,277 found 1 day ago
United
Sat, Jan 24 - Sat, Feb 21
DEN
Denver
NGS
Nagasaki
$1,280 Roundtrip, found 1 day ago
$1,280
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 24 from Denver to Nagasaki, returning Sat, Feb 21, priced at $1,280 found 1 day ago
All Nippon Airways
Sat, Jan 24 - Sat, Feb 21
DEN
Denver
NGS
Nagasaki
$1,289 Roundtrip, found 1 day ago
$1,289
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sat, Jan 24 from Denver to Nagasaki, returning Sat, Feb 21, priced at $1,289 found 1 day ago
Air Canada
Sun, Dec 7 - Thu, Dec 11
DEN
Denver
NGS
Nagasaki
$1,320 Roundtrip, found 4 days ago
$1,320
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sun, Dec 7 from Denver to Nagasaki, returning Thu, Dec 11, priced at $1,320 found 4 days ago
Japan Airlines
Sat, Jan 24 - Sat, Feb 21
DEN
Denver
NGS
Nagasaki
$1,357 Roundtrip, found 1 day ago
$1,357
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sat, Jan 24 from Denver to Nagasaki, returning Sat, Feb 21, priced at $1,357 found 1 day ago
American Airlines
Sat, Jan 24 - Sat, Feb 21
DEN
Denver
NGS
Nagasaki
$1,424 Roundtrip, found 1 day ago
$1,424
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jan 24 from Denver to Nagasaki, returning Sat, Feb 21, priced at $1,424 found 1 day ago

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Flights from Denver (DEN) to Nagasaki (NGS)
Origin airport
Denver Intl.
Destination airport
Nagasaki
Airlines serving
All Nippon Airways, American Airlines, Delta, Japan Airlines, Korean Air, Lufthansa
Roundtrip price
$1,214
Distance
6317 mi

Denver to Nagasaki Flights

The cheapest times to fly from Denver to Nagasaki

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

 

The best time to book a flight from Denver to Nagasaki

Sunday is one of the best days to book for cheap flights from Denver to Nagasaki: 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 Denver to Nagasaki

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 Denver to Nagasaki in 2025. You can also book with separate airlines for your outbound and return journeys, from $578 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 Denver to Nagasaki 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 Denver to Nagasaki 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.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Nagasaki Airport (NGS) cost?
Lock in a cheap one-way flight from $578 or cheap return flight from $1,214 from Denver Intl. Airport (DEN) to Nagasaki Airport (NGS) 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 Denver Intl. Airport (DEN) to Nagasaki Airport (NGS)?
Planning your getaway for January can help you save, as it's the cheapest month for flights between DEN and NGS. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Nagasaki Airport (NGS)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from DEN to NGS. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Denver Intl. Airport (DEN) to Nagasaki Airport (NGS)?
Direct flights from Denver Intl. Airport (DEN) to Nagasaki Airport (NGS) 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 pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DEN to NGS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various 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 Denver Intl. Airport (DEN) to Nagasaki Airport (NGS)?
To avoid potential delays on the Denver Intl. Airport (DEN) to Nagasaki Airport (NGS) route, fly before 3 PM. Departures after this hour 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 Denver Intl. Airport (DEN) to Nagasaki Airport (NGS) last-minute?
Holding off until just before your trip to book a ticket from DEN to NGS generally means paying more. While you may come across some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a DEN to NGS flight and hotel package?
You'll typically save money by booking a DEN to NGS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your ideal flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Nagasaki Airport (NGS)?
If you booked your DEN to NGS flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.