C$596 Cheap Flights from London (LOND) to Idaho Falls (IDA)

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Flight deals from London to Idaho Falls

Looking for a cheap last-minute deal or the best round-trip flight from London to Idaho Falls? Find the lowest prices on one-way and round-trip 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 March.

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 foundC$596
Cheapest month to flyMarch

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 C$1,050. 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 C$1,050.
As of January 2026, there are no flights flying from London to Idaho Falls.
The cheapest month to fly from London to Idaho Falls is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Idaho Falls Airport on Wednesday, April 8, 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 Icelandair .

Flying from London to Idaho Falls Regional Airport (IDA): what you need to know

  • London has many airports to fly out of. Check out your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when organizing your flight from London to Idaho Falls Regional Airport (IDA). Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the city's other main bases.

  • The timezone in Idaho Falls is UTC-6, which is 6 hours behind London. Idaho Falls Regional Airport is located in Idaho Falls.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your flight from London to IDA.

  • Popular months like July or other peak seasons mean longer lines and potential delays. Stay ahead of the crowds by arriving at the airport even earlier. Plan for at least four hours ahead of an international flight and two hours before a domestic departure.

Airports in London

London Heathrow Airport (LHR)

  • Think about adding a stopover to potentially save on your flight from London to IDA. Just uncheck 'Direct flights only' when searching for departures from London Heathrow Airport (LHR). Take a pause at one of these popular airports:

    • Portland International Airport (PDX)

    • Salt Lake City International Airport (SLC)

    • Denver International Airport (DEN)

  • LHR is about 31 kilometres from central London. To help work out how to get there, use Google Maps. This handy travel app will show you the fastest route and available public transport options.

  • Want an easy start to your journey? Stay near London Heathrow Airport. Whether you've booked an early flight from London to Idaho Falls Regional Airport or just don't like being rushed, these hotels are ideal:

London Gatwick Airport (LGW)

  • Get the most out of your vacation with a stopover on your flight from London to Idaho Falls Regional Airport. Visit family or friends or tick another city off your bucket list. Whatever you want to do, check out these stops between London Gatwick Airport and IDA:

    • Denver International Airport (DEN)

    • Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

    • Dallas/Fort Worth International Airport (DFW)

  • Using public transport, you can travel from central London to LGW in around 1 hour and 26 minutes. The terminal is roughly 80 kilometres away, and getting there by car will take approximately 1 hour and 19 minutes.

  • Start your vacation sooner with an additional night away from home. Before catching your flight from London to IDA, take things easy in one of these hotels near London Gatwick Airport:

About Idaho Falls Regional Airport (IDA)

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

  • From Idaho Falls Regional Airport, Idaho Falls is approximately 5 kilometres away. It takes around 9 minutes to reach the centre driving.

  • It takes roughly 59 minutes 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 C$596. The cheapest price for a return flight is C$1,050. Keep in mind fares can change due to availability at the time of booking.

  • We suggest booking as soon as you can to lock in flight tickets from London to IDA. You're more likely to snag a great deal and enjoy a larger selection of flight times and travel dates.

  • If you're flexible with your trip dates, make the most of the 'Whole month' tool. It'll give you the cheapest price in every month when searching for your ticket from London to Idaho Falls Regional Airport.

  • Sign into your online account or use the app to set up a Price Alert. You'll get notified straight away if the price has dropped. It doesn't take long, and it'll save you the hassle of searching for flight tickets from London to IDA every day.

  • Use the filters to tailor your flights from London to Idaho Falls Regional Airport. Enter your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to see the best deals.

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

  • It's time to plan your travel dates for your flight from London to Idaho Falls Regional Airport. July is the most popular month to visit Idaho Falls. If you like a quieter vibe, go in February.

  • Schedule your flight from London to IDA for July if you're eager to visit the city during its warmest month. You can expect temperatures in Idaho Falls to range from 11ºC to 35ºC.

  • Travel in January if you want to explore when it's cooler. Average temperatures range between -15ºC and 1ºC. However, this city delivers on a good time whenever you book your cheap flights from London to Idaho Falls Regional Airport.

More about Idaho Falls

  • Start your Idaho Falls trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from London to Idaho Falls Regional Airport, explore our selection of accommodation options including:

  • There are so many things to see and do in this city it can be hard to work out where to start. Idaho Falls River Walk, Museum of Idaho and Idaho Falls Zoo at Tautphaus Park are leading attractions which should be on every Idaho Falls itinerary.

Complete your Idaho Falls trip with a car rental

  • Finding you a cheap flight from London to Idaho Falls Regional Airport isn't the only thing we're good at. Browse our car rentals in Idaho Falls and see the sights your way. We find deals from trusted car rental companies and put them all in one place. Instantly compare rates and then book with no fees.

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