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XNN to WBU: distance & flight time
Xining (Xining Caojiabu Airport) → Boulder (Boulder Municipal Airport)
6,870 mi
11,057 km · 5,970 nm
13h 56m
estimated nonstop flight time
-15h
time difference · heading north
See live XNN→WBU fares Phone-only fares on this route — call free
Flight time details
6,870 miles nonstop takes roughly 13h 56m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- XNN — Xining Caojiabu Airport · Xining, China
- WBU — Boulder Municipal Airport · Boulder, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near XNN
- LHW · Lanzhou Zhongchuan Airport88 mi away
- GXH · Gannan Xiahe Airport123 mi away
- JIC · Jinchuan Airport140 mi away
Near WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is XNN from WBU?
The flight distance from Xining (XNN) to Boulder (WBU) is 6,870 miles (11,057 km, 5,970 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from XNN to WBU?
A nonstop flight takes about 13h 56m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from XNN to WBU?
Nonstop service on XNN–WBU depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 56m nonstop estimate.
What is the time difference between Xining and Boulder?
Boulder is 15 hours behind Xining.
What is the cheapest way to fly from XNN to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on XNN–WBU that never appear on search engines, with no booking fees.
Why are some XNN to WBU fares phone-only?
Consolidator contracts let us sell certain XNN–WBU tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.