£773 Cheap flights to Idaho Falls
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Idaho Falls departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United Kingdom to Idaho Falls
Cheap return flights
See travel insights to Idaho Falls from
Idaho Falls flights insights and trends
Explore insights for your Idaho Falls flight to craft the best travel plan
What is the cheapest month to fly to Idaho Falls?
The cheapest month to fly to Idaho Falls from United Kingdom is in February. Flight prices, which tend to average around £647, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Idaho Falls, with average flight prices from United Kingdom averaging around £668.
What is the cheapest day to depart on your flight to Idaho Falls?
According to our data, Tuesday is the cheapest day to fly to Idaho Falls from United Kingdom. The lowest ticket price found for a Tuesday departure recently was £681. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Saturday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £940.
Cheapest flights to Idaho Falls Fanning Field
Find the cheapest flights to Idaho Falls Fanning Field from your nearest city or airport
| 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 £642 in February |
| MOST EXPENSIVE MONTH TO FLY TO IDAHO FALLS FROM LONDON HEATHROW AIRPORT | July | 76% more expensive | It costs about £1,244 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 |
Cheap Idaho Falls flight deals and tips
Summary info about Idaho Falls flight prices, duration and airlines
Best Round-Trip Price | £773 |
|---|---|
Fastest flight time | 14h 17m |
Frequently asked questions about flying to Idaho Falls
Is there an alternative airport near Idaho Falls?
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.
When did momondo last update prices for flights to Idaho Falls Fanning Field Airport?
Prices for flights to Idaho Falls Fanning Field Airport are updated daily.
How many operators does momondo search for flights to Idaho Falls Fanning Field Airport?
As of June 2025, there are 3 operators available to choose from for flights to Idaho Falls Fanning Field Airport.
How old do you have to be to fly 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.
What documentation or ID do you need to fly 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.
Why use momondo?
Why should I use momondo to find a flight deal to Idaho Falls?
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.
Can I find flights to Idaho Falls with flexible booking policies on momondo?
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.
How can momondo help me find flights to Idaho Falls?
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.
I’m not ready to book a flight to Idaho Falls right now. Can momondo alert me if prices change?
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.