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IDA to LHR: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → London (London Heathrow Airport)
4,708 mi
7,577 km · 4,091 nm
9h 42m
estimated nonstop flight time
+7h
time difference · heading northeast
See live IDA→LHR fares Phone-only fares on this route — call free
Flight time details
4,708 miles nonstop takes roughly 9h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- IDA — Idaho Falls Regional Airport · Idaho Falls, United States
- LHR — London Heathrow Airport · London, United Kingdom
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 LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Frequently asked questions
How far is IDA from LHR?
The flight distance from Idaho Falls (IDA) to London (LHR) is 4,708 miles (7,577 km, 4,091 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to LHR?
A nonstop flight takes about 9h 42m 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 London?
London is 7 hours ahead of Idaho Falls.
What is the cheapest way to fly from IDA to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–LHR that never appear on search engines, with no booking fees.