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IAD to IDA: distance & flight time
Washington (Washington Dulles International Airport) → Idaho Falls (Idaho Falls Regional Airport)
1,813 mi
2,917 km · 1,575 nm
4h 1m
estimated nonstop flight time
-2h
time difference · heading west
See live IAD→IDA fares Phone-only fares on this route — call free
Flight time details
1,813 miles nonstop takes roughly 4h 1m gate to gate, flying west. 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
- IAD — Washington Dulles International Airport · Washington, United States
- IDA — Idaho Falls Regional Airport · Idaho Falls, 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 IAD
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
Frequently asked questions
How far is IAD from IDA?
The flight distance from Washington (IAD) to Idaho Falls (IDA) is 1,813 miles (2,917 km, 1,575 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to IDA?
A nonstop flight takes about 4h 1m 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 Washington and Idaho Falls?
Idaho Falls is 2 hours behind Washington.
What is the cheapest way to fly from IAD to IDA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–IDA that never appear on search engines, with no booking fees.