$151 Cheap Flights from Seoul (ICN) to Xining (XNN)

View $151 flight on Fri, Dec 26, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Xining (XNN-Caojiabao Intl.)

Cheap Flights from Seoul to Xining (ICN-XNN)

Prices were available within the past 7 days and start at $151 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 Incheon Intl. Airport (ICN) to Xining Airport (XNN) cost?
Snag a cheap one-way flight from $151 or cheap return flight from Incheon Intl. Airport (ICN) to Xining Airport (XNN) 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 Incheon Intl. Airport (ICN) to Xining Airport (XNN)?
The cheapest month to fly from ICN to XNN is , when demand is low. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Xining Airport (XNN)?
To find the cheapest airline that'll fly you from ICN to XNN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Incheon Intl. Airport (ICN) to Xining Airport (XNN)?
You'll have to catch a flight with a layover when traveling from Incheon Intl. Airport (ICN) to Xining Airport (XNN). 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 ICN to XNN?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Xining Airport (XNN)?
To avoid possible delays on the Incheon Intl. Airport (ICN) to Xining Airport (XNN) route, aim to travel before 3 PM. Later flights 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 Incheon Intl. Airport (ICN) to Xining Airport (XNN) last-minute?
Last-minute fares from ICN to XNN are generally more expensive. To lock in the lowest rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book an ICN to XNN flight and hotel package?
You'll generally save money by booking an ICN to XNN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Xining Airport (XNN)?
If you reserved your ICN to XNN flight within 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 for further details.

Travel information

Origin airport
Incheon Intl.
Destination airport
Caojiabao Intl.
Distance
1344 mi

Book with confidence

Seoul to Xining Flights

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

 

The best time to book a flight from Seoul to Xining

Sunday is one of the best days to book for cheap flights from Seoul 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 Seoul 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 Seoul to Xining in 2025. You can also book with separate airlines for your outbound and return journeys, from $151 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 Seoul 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 Seoul 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.

 

Seoul to Xining Flights

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*Available to One Key members.