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FNL to SIA: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Xi\'AN (Xi'an Xiguan Airport)
6,829 mi
10,990 km · 5,934 nm
13h 51m
estimated nonstop flight time
+14h
time difference · heading northwest
See live FNL→SIA fares Phone-only fares on this route — call free
Flight time details
6,829 miles nonstop takes roughly 13h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- SIA — Xi'an Xiguan Airport · Xi\'AN, China
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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Near SIA
- XIY · Xi'an Xianyang International Airport22 mi away
- AKA · Ankang Wulipu Airport116 mi away
- YCU · Yuncheng Guangong Airport120 mi away
- IQN · Qingyang Airport130 mi away
Frequently asked questions
How far is FNL from SIA?
The flight distance from Fort Collins (FNL) to Xi\'AN (SIA) is 6,829 miles (10,990 km, 5,934 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to SIA?
A nonstop flight takes about 13h 51m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Fort Collins and Xi\'AN?
Xi\'AN is 14 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to SIA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–SIA that never appear on search engines, with no booking fees.