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IDA to YSP: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → Marathon (Marathon Airport)
1,277 mi
2,055 km · 1,110 nm
3h 15m
estimated nonstop flight time
+2h
time difference · heading northeast
See live IDA→YSP fares Phone-only fares on this route — call free
Flight time details
1,277 miles nonstop takes roughly 3h 15m gate to gate, flying northeast. 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
- YSP — Marathon Airport · Marathon, Canada
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 YSP
- YMG · Manitouwadge Airport32 mi away
- YGQ · Geraldton Greenstone Regional Airport76 mi away
- YHN · Hornepayne Municipal Airport78 mi away
- YXZ · Wawa Airport90 mi away
Frequently asked questions
How far is IDA from YSP?
The flight distance from Idaho Falls (IDA) to Marathon (YSP) is 1,277 miles (2,055 km, 1,110 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to YSP?
A nonstop flight takes about 3h 15m 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 Marathon?
Marathon is 2 hours ahead of Idaho Falls.
What is the cheapest way to fly from IDA to YSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–YSP that never appear on search engines, with no booking fees.