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BOI to SIA: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Xi\'AN (Xi'an Xiguan Airport)
6,342 mi
10,206 km · 5,511 nm
12h 54m
estimated nonstop flight time
+14h
time difference · heading northwest
See live BOI→SIA fares Phone-only fares on this route — call free
Flight time details
6,342 miles nonstop takes roughly 12h 54m 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
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 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 BOI from SIA?
The flight distance from Boise (BOI) to Xi\'AN (SIA) is 6,342 miles (10,206 km, 5,511 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to SIA?
A nonstop flight takes about 12h 54m 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 Boise and Xi\'AN?
Xi\'AN is 14 hours ahead of Boise.
What is the cheapest way to fly from BOI to SIA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–SIA that never appear on search engines, with no booking fees.