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TYS to BOI: distance & flight time
Knoxville (McGhee Tyson Airport) → Boise (Boise Air Terminal/Gowen Field)
1,783 mi
2,869 km · 1,549 nm
3h 58m
estimated nonstop flight time
-2h
time difference · heading northwest
See live TYS→BOI fares Phone-only fares on this route — call free
Flight time details
1,783 miles nonstop takes roughly 3h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- TYS — McGhee Tyson Airport · Knoxville, United States
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 TYS
- MMI · McMinn County Airport43 mi away
- HDI · Hardwick Field62 mi away
- CSV · Crossville Memorial Whitson Field62 mi away
- AVL · Asheville Regional Airport86 mi away
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
Frequently asked questions
How far is TYS from BOI?
The flight distance from Knoxville (TYS) to Boise (BOI) is 1,783 miles (2,869 km, 1,549 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TYS to BOI?
A nonstop flight takes about 3h 58m 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 Knoxville and Boise?
Boise is 2 hours behind Knoxville.
What is the cheapest way to fly from TYS to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TYS–BOI that never appear on search engines, with no booking fees.