Need help booking?
Unpublished phone-only deals available
SIA to BIL: distance & flight time
Xi\'AN (Xi'an Xiguan Airport) → Billings (Billings Logan International Airport)
6,419 mi
10,330 km · 5,578 nm
13h 3m
estimated nonstop flight time
-14h
time difference · heading northeast
See live SIA→BIL fares Phone-only fares on this route — call free
Flight time details
6,419 miles nonstop takes roughly 13h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- SIA — Xi'an Xiguan Airport · Xi\'AN, China
- BIL — Billings Logan International Airport · Billings, 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 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
Near BIL
- COD · Yellowstone Regional Airport92 mi away
- LVM · Mission Field92 mi away
- LWT · Lewistown Municipal Airport96 mi away
- SHR · Sheridan County Airport105 mi away
Frequently asked questions
How far is SIA from BIL?
The flight distance from Xi\'AN (SIA) to Billings (BIL) is 6,419 miles (10,330 km, 5,578 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIA to BIL?
A nonstop flight takes about 13h 3m 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 Xi\'AN and Billings?
Billings is 14 hours behind Xi\'AN.
What is the cheapest way to fly from SIA to BIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIA–BIL that never appear on search engines, with no booking fees.