$571 Cheap Flights from Denver (DEN) to Xining (XNN)

View $571 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Xining (XNN-Caojiabao Intl.)

Cheap Flights from Denver to Xining (DEN-XNN)

Prices were available within the past 7 days and start at $571 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 Denver Intl. Airport (DEN) to Xining Airport (XNN) cost?
Secure a cheap one-way flight from $571 or cheap return flight from Denver Intl. Airport (DEN) to Xining Airport (XNN) 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 Denver Intl. Airport (DEN) to Xining Airport (XNN)?
Traveling in is a good way to save, as it's the cheapest month for flights between DEN and XNN. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Xining Airport (XNN)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest DEN to XNN flight.
How many flights per day from Denver Intl. Airport (DEN) to Xining Airport (XNN)?
Direct flights from Denver Intl. Airport (DEN) to Xining Airport (XNN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DEN to XNN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Xining Airport (XNN)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Xining Airport (XNN) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 Xining Airport (XNN) last-minute?
Holding off until just before your trip to book a flight from DEN to XNN generally means paying more. While you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book a DEN to XNN flight and hotel package?
You can save money by booking a DEN to XNN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your ideal flights and accommodations, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Xining Airport (XNN)?
If you booked your DEN to XNN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Caojiabao Intl.
Distance
6893 mi

Book with confidence

Denver to Xining Flights

The cheapest times to fly from Denver to Xining

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

 

The best time to book a flight from Denver to Xining

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

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 Xining in 2025. You can also book with separate airlines for your outbound and return journeys, from $571 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 Xining 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 Xining 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.

 

Denver to Xining Flights

Explore a world of travel with Expedia

*Available to One Key members.