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| CHEAPEST MONTH TO FLY TO IDAHO FALLS FROM LONDON HEATHROW AIRPORT | February | 9% cheaper | Flying from London Heathrow Airport to Idaho Falls costs on average just £651 in February |
| MOST EXPENSIVE MONTH TO FLY TO IDAHO FALLS FROM LONDON HEATHROW AIRPORT | July | 77% more expensive | It costs about £1,261 for flights to Idaho Falls from London Heathrow Airport in July |
| MOST POPULAR MONTH TO FLY TO IDAHO FALLS FROM LONDON HEATHROW AIRPORT | May | 1,250% more users visited | More momondo users searched in flights to Idaho Falls from London Heathrow Airport in May than any other month |
Best One-Way Price | £627 |
|---|---|
Best Round-Trip Price | £558 |
Fastest flight time | 20h 14m |
Those flying to Idaho Falls could potentially find better pricing at Idaho Falls Fanning Field Airport (4 mi from Idaho Falls city centre), Pocatello Airport (48 mi from Idaho Falls city centre) or West Yellowstone Airport (96 mi from Idaho Falls city centre) depending on the month and departure airport.
Prices for flights to Idaho Falls Fanning Field Airport are updated daily.
As of July 2025, there are 2 operators available to choose from for flights to Idaho Falls Fanning Field Airport.
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Idaho Falls Fanning Field Airport.
The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
It is quick and easy to find flights to Idaho Falls on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho Falls that suits you.
momondo does allow users to show only those flights to Idaho Falls which offer a flexible booking policy as well as other useful filters and features.
Once you have performed a search for flights to Idaho Falls, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
Yes. momondo can track flight prices for Idaho Falls and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.