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IDA to TRI: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → BRISTOL (Tri-Cities Regional TN/VA Airport)
1,634 mi
2,629 km · 1,420 nm
3h 40m
estimated nonstop flight time
+2h
time difference · heading east
See live IDA→TRI fares Phone-only fares on this route — call free
Flight time details
1,634 miles nonstop takes roughly 3h 40m 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
- TRI — Tri-Cities Regional TN/VA Airport · BRISTOL, 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 TRI
- MRN · Foothills Regional Airport63 mi away
- AVL · Asheville Regional Airport72 mi away
- IKB · Wilkes County Airport75 mi away
- HKY · Hickory Regional Airport76 mi away
Frequently asked questions
How far is IDA from TRI?
The flight distance from Idaho Falls (IDA) to BRISTOL (TRI) is 1,634 miles (2,629 km, 1,420 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to TRI?
A nonstop flight takes about 3h 40m 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 Idaho Falls and BRISTOL?
BRISTOL is 2 hours ahead of Idaho Falls.
What is the cheapest way to fly from IDA to TRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–TRI that never appear on search engines, with no booking fees.