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BOI to BIL: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Billings (Billings Logan International Airport)
408 mi
656 km · 354 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading northeast
See live BOI→BIL fares Phone-only fares on this route — call free
Flight time details
408 miles nonstop takes roughly 1h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
- 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 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 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 BOI from BIL?
The flight distance from Boise (BOI) to Billings (BIL) is 408 miles (656 km, 354 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to BIL?
A nonstop flight takes about 1h 21m 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 cheapest way to fly from BOI to BIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–BIL that never appear on search engines, with no booking fees.