$957 Cheap Flights from Denver (DEN) to Xining (XNN)

View $957 flight on Fri, Jul 10, 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 $957 for one-way flights and $2,166 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$2,166 Roundtrip, found 6 days ago
$2,166
Roundtrip
found 6 days ago
Select Air China flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $2,166 found 6 days ago
Air China
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$2,192 Roundtrip, found 6 days ago
$2,192
Roundtrip
found 6 days ago
Select Air China flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $2,192 found 6 days ago
Air China
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$2,221 Roundtrip, found 6 days ago
$2,221
Roundtrip
found 6 days ago
Select Air China flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $2,221 found 6 days ago
Air China
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$2,225 Roundtrip, found 6 days ago
$2,225
Roundtrip
found 6 days ago
Select Air China flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $2,225 found 6 days ago
Air China
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$2,247 Roundtrip, found 6 days ago
$2,247
Roundtrip
found 6 days ago
Select Air China flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $2,247 found 6 days ago
Air China
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$2,251 Roundtrip, found 6 days ago
$2,251
Roundtrip
found 6 days ago
Select Air China flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $2,251 found 6 days ago
Air China
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$2,280 Roundtrip, found 6 days ago
$2,280
Roundtrip
found 6 days ago
Select Air China flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $2,280 found 6 days ago
Lufthansa
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$2,352 Roundtrip, found 6 days ago
$2,352
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $2,352 found 6 days ago
Air Canada
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$2,744 Roundtrip, found 6 days ago
$2,744
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $2,744 found 6 days ago
China Eastern Airlines
Fri, Jul 10 - Fri, Jul 24
DEN
Denver
XNN
Xining
$3,754 Roundtrip, found 6 days ago
$3,754
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Fri, Jul 10 from Denver to Xining, returning Fri, Jul 24, priced at $3,754 found 6 days ago

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Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) cost?
You can find cheap one-way flights from $957 and cheap return flights from $2,166 Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) with Expedia. One-way flights usually range from $857 to $6877. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
The cheapest month to fly from DEN to XNN is July when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
Enter DEN to XNN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
Lufthansa, Air Canada and Air China are just some of the carriers that fly from Denver, CO (DEN) to Xining (XNN). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from DEN to XNN. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
You'll usually find the most flights from Denver Intl. (DEN) to (XNN) on a Tuesday, with around 6 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines and United.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
A flight from DEN to XNN with a layover takes around 22 hours 20 minutes, with the route covering approximately 6,894 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
Select the "Business class" and "First class" filters when looking for DEN to XNN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Xining (XNN-Caojiabao Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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
Denver Intl.
Destination airport
Caojiabao Intl.
Roundtrip price
$2,166
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 July. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $957 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

*Flight schedules are subject to change.

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*Available to One Key members.