Cheap Flights from London to Idaho Falls

Compare London to Idaho Falls flight deals

Find the cheapest month or even day of the year to fly to Idaho Falls

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Flight deals from London to Idaho Falls

Looking for a cheap last-minute deal or the best return flight from London to Idaho Falls Airport? If you want to travel next month, return fares start from R 16,887. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London to Idaho Falls

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Idaho Falls flights are currently cheapest in June.

London to Idaho Falls: Alternative routes

Compare routes from London to Idaho Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Idaho Falls.

London to Idaho Falls: Flight information

The things to know before you go.
Cheapest flight foundR 9,047
Cheapest month to flyJune

Finding cheap flights from London to Idaho Falls: Frequently asked questions

The best price we found for a return flight from London to Idaho Falls is R 16,887. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to Idaho Falls. But we found flights with one stop from R 16,887.
As of April 2026, there are no flights flying from London to Idaho Falls.
The cheapest month to fly from London to Idaho Falls is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Idaho Falls Airport on Sunday, 10 May 2026.
No airlines currently offer direct flights between London and Idaho Falls Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Idaho Falls but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Idaho Falls is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Idaho Falls is Wizz Air UK .

Travelling from London to Idaho Falls Regional Airport (IDA): What you need to know

  • Take your pick of numerous airports when planning your flight from London to Idaho Falls Regional Airport (IDA). Check out your options for jetting out of London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). London Luton Airport (LTN) and London City Airport (LCY) also service London.

  • Idaho Falls is six hours behind London. Idaho Falls Regional Airport is located in Idaho Falls, which operates on the UTC-6 timezone.

  • To ensure you get on your flight from London to IDA, allow plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • In high season, allow for longer wait times and arrive earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international trips.

Airports in London

London Heathrow Airport (LHR)

  • A stopover is the ideal opportunity to take a break from travelling and maybe even tour another city. When searching for cheap flights from London to IDA leaving from London Heathrow Airport (LHR), uncheck the 'Direct flights only' box to discover where you can stop along the way. Top options include:

    • Denver International Airport (DEN)

    • Salt Lake City International Airport (SLC)

    • Portland International Airport (PDX)

  • Located around 31 kilometres from central London, LHR can be reached in about 55 minutes by car (depending on traffic). The journey by public transport is roughly 1 hour.

  • Searching for a comfortable hotel near London Heathrow Airport? If you're catching an early flight from London to Idaho Falls Regional Airport, these accommodation options will have you sleeping just around the corner from the terminal:

  • 68.18% of flights that take off from London Heathrow Airport arrive at their destination on time.

London Gatwick Airport (LGW)

  • Think about building a stopover into your journey at Harry Reid Airport (formerly McCarran Airport) (LAS). It's a popular transfer point for flights from London to Idaho Falls Regional Airport (IDA) out of London Gatwick Airport.

  • Using public transport, you can travel from central London to LGW in about 30 minutes. The terminal is roughly 80 kilometres away, and making the trip by car will take approximately 1 hour 20 minutes.

  • Flying out early in the morning? You might like to check in to one of these hotels near London Gatwick Airport the day before your London to IDA flight:

  • When it comes to flights staying on schedule, London Gatwick Airport has an on-time arrival performance of 69.26%.

Stansted Airport (STN)

  • From the centre of London, STN is around 64 kilometres away. It takes roughly 1 hour to get there by car and 1 hour 25 minutes or so if you use public transport.

  • Stay in bed a little longer and still make your London to Idaho Falls Regional Airport flight without having to rush. These hotels near Stansted Airport make departure day effortless if you're jetting off early:

  • Airports have an on-time performance rating that monitors how often flights land within the expected time frame. At STN, that rate is 64.73%.

About Idaho Falls Regional Airport (IDA)

Getting from Idaho Falls Regional Airport (IDA) to central Idaho Falls

  • Idaho Falls Regional Airport is around 3 kilometres from central Idaho Falls. How long it takes to get there by cab or car hire will depend on the time of day. Do a little research before your trip.

  • It takes around 1 hour if you're travelling on public transport.

How to find the cheapest flights from London to Idaho Falls Regional Airport (IDA)

  • The lowest price we've found for a one-way ticket from London to Idaho Falls Regional Airport is R 9,047. For a return flight on this route, the best price is R 16,887. Depending on when and how early you book, these fares could change.

  • Booking in advance is often the key to finding a cheap flight from London to IDA. Flight prices rise as demand increases, so the closer you get to departure, the more it could cost you.

  • The 'Whole month' tool will show you the cheapest London to Idaho Falls Regional Airport tickets across each month. It's an easy way to snap up a bargain if your trip dates are flexible.

  • Stay on top of deals for plane tickets from London to IDA by creating a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

  • Save money on your flight from London to Idaho Falls Regional Airport by using the search filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from London to Idaho Falls Regional Airport (IDA)

  • It's time to figure out your travel dates for your flight from London to Idaho Falls Regional Airport (IDA). July is the peak month for travel to Idaho Falls. If you like your getaways a little more chill, go in February.

  • The warmest month in Idaho Falls is July, with temperatures ranging between 11ºC (52ºF) and 35ºC (95ºF). Lock in your London to IDA plane ticket then if this is the type of weather you enjoy.

  • Look for cheap tickets from London to Idaho Falls Regional Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -15ºC (5ºF) and 1ºC (34ºF).

More about Idaho Falls

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Idaho Falls right here. Check out these hotels once you've locked in your flight from London to Idaho Falls Regional Airport:

  • There are plenty of things to do in Idaho Falls when you're ready to get out and sightsee. Kick off your exploring at Idaho Falls River Walk followed by Shadow's Park and Snake River Landing.

Explore more of the United States

  • Ogden is just one of the many cities in the United States waiting to be explored after you've seen Idaho Falls. Around 257 kilometres away to the south, its best attractions include Snowbasin Resort, Dinosaur Park and Museum and Mt. Ogden Park-East Field (#4080).

  • If there's time to check out another major stop in the United States, consider Layton, roughly 274 kilometres south of Idaho Falls. Adams Canyon Trail, SeaQuest Utah and SeaQuest Interactive Aquarium are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.