$710 Cheap Flights from Denver (DEN) to Niigata (KIJ)

View $710 flight on Mon, Jan 19, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Niigata Airport (KIJ)

Cheap Flights from Denver to Niigata (DEN-KIJ)

Prices were available within the past 7 days and start at $710 for one-way flights and $1,121 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$1,121 Roundtrip, found 17 hours ago
$1,121
Roundtrip
found 17 hours ago
Select United flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $1,121 found 17 hours ago
All Nippon Airways
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$1,137 Roundtrip, found 17 hours ago
$1,137
Roundtrip
found 17 hours ago
Select All Nippon Airways flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $1,137 found 17 hours ago
United
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$1,221 Roundtrip, found 17 hours ago
$1,221
Roundtrip
found 17 hours ago
Select United flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $1,221 found 17 hours ago
All Nippon Airways
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$1,237 Roundtrip, found 17 hours ago
$1,237
Roundtrip
found 17 hours ago
Select All Nippon Airways flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $1,237 found 17 hours ago
United
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$1,321 Roundtrip, found 17 hours ago
$1,321
Roundtrip
found 17 hours ago
Select United flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $1,321 found 17 hours ago
All Nippon Airways
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$1,329 Roundtrip, found 17 hours ago
$1,329
Roundtrip
found 17 hours ago
Select All Nippon Airways flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $1,329 found 17 hours ago
All Nippon Airways
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$1,337 Roundtrip, found 17 hours ago
$1,337
Roundtrip
found 17 hours ago
Select All Nippon Airways flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $1,337 found 17 hours ago
United
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$1,421 Roundtrip, found 17 hours ago
$1,421
Roundtrip
found 17 hours ago
Select United flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $1,421 found 17 hours ago
All Nippon Airways
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$1,429 Roundtrip, found 17 hours ago
$1,429
Roundtrip
found 17 hours ago
Select All Nippon Airways flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $1,429 found 17 hours ago
Delta
Mon, Jan 19 - Mon, Feb 16
DEN
Denver
KIJ
Niigata
$2,891 Roundtrip, found 17 hours ago
$2,891
Roundtrip
found 17 hours ago
Select Delta flight, departing Mon, Jan 19 from Denver to Niigata, returning Mon, Feb 16, priced at $2,891 found 17 hours ago
Flights from Denver (DEN) to Niigata (KIJ)
Origin airport
Denver Intl.
Destination airport
Niigata
Airlines serving
All Nippon Airways
Roundtrip price
$1,120
Distance
5715 mi

Denver to Niigata Flights

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

 

The best time to book a flight from Denver to Niigata

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver to Niigata in 2026. You can also book with separate airlines for your outbound and return journeys, from $710 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 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 Denver 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.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Niigata Airport (KIJ) cost?
Get a cheap one-way flight from $710 or cheap return flight from $1,121 from Denver Intl. Airport (DEN) to Niigata Airport (KIJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Niigata Airport (KIJ)?
The cheapest month to fly from DEN to KIJ is January, when demand is low. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Niigata Airport (KIJ)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from DEN to KIJ. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Denver Intl. Airport (DEN) to Niigata Airport (KIJ)?
There are no daily nonstop flights available from Denver Intl. Airport (DEN) to Niigata Airport (KIJ). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from DEN to KIJ?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the time of year and airline.*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 Niigata Airport (KIJ)?
To reach Niigata Airport (KIJ) without delays, book a flight that leaves Denver Intl. Airport (DEN) 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 Denver Intl. Airport (DEN) to Niigata Airport (KIJ) last-minute?
Waiting until just before your trip to book your flight from DEN to KIJ often results in higher prices. While you may find some last-minute offers, there's no guarantee. Be flexible with your travel plans for a better chance of landing a bargain.
Is it cheaper to book a DEN to KIJ flight and hotel package?
You'll typically save money by booking a DEN 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 preferred flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Niigata Airport (KIJ)?
In most cases, you can modify or cancel your DEN to KIJ flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.