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BLL to SIA: distance & flight time
Billund (Billund Airport) → Xi\'AN (Xi'an Xiguan Airport)
4,649 mi
7,481 km · 4,039 nm
9h 35m
estimated nonstop flight time
+6h
time difference · heading northeast
See live BLL→SIA fares Phone-only fares on this route — call free
Flight time details
4,649 miles nonstop takes roughly 9h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- BLL — Billund Airport · Billund, Denmark
- 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 BLL
- EBJ · Esbjerg Airport28 mi away
- STA · Stauning Airport35 mi away
- SKS · Skrydstrup Air Base36 mi away
- KRP · Karup Airport39 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 BLL from SIA?
The flight distance from Billund (BLL) to Xi\'AN (SIA) is 4,649 miles (7,481 km, 4,039 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BLL to SIA?
A nonstop flight takes about 9h 35m 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 Billund and Xi\'AN?
Xi\'AN is 6 hours ahead of Billund.
What is the cheapest way to fly from BLL to SIA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BLL–SIA that never appear on search engines, with no booking fees.