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IDA to TYS: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → Knoxville (McGhee Tyson Airport)
1,576 mi
2,537 km · 1,370 nm
3h 33m
estimated nonstop flight time
+2h
time difference · heading east
See live IDA→TYS fares Phone-only fares on this route — call free
Flight time details
1,576 miles nonstop takes roughly 3h 33m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- IDA — Idaho Falls Regional Airport · Idaho Falls, United States
- TYS — McGhee Tyson Airport · Knoxville, 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 IDA
- PIH · Pocatello Regional Airport49 mi away
- JAC · Jackson Hole Airport67 mi away
- WYS · Yellowstone Airport94 mi away
- BYI · Burley Municipal Airport109 mi away
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
Frequently asked questions
How far is IDA from TYS?
The flight distance from Idaho Falls (IDA) to Knoxville (TYS) is 1,576 miles (2,537 km, 1,370 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to TYS?
A nonstop flight takes about 3h 33m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IDA to TYS?
Nonstop service on IDA–TYS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 33m nonstop estimate.
What is the time difference between Idaho Falls and Knoxville?
Knoxville is 2 hours ahead of Idaho Falls.
What is the cheapest way to fly from IDA to TYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–TYS that never appear on search engines, with no booking fees.
Why are some IDA to TYS fares phone-only?
Consolidator contracts let us sell certain IDA–TYS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.