Cheap flights from London Heathrow Airport to Idaho Falls from £801
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Idaho Falls departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights
Virgin Atlantic flights from London Heathrow Airport to Idaho Falls
Our best Virgin Atlantic deals on London Heathrow Airport to Idaho Falls flight tickets
United Airlines flights from London Heathrow Airport to Idaho Falls
Our best United Airlines deals on London Heathrow Airport to Idaho Falls flight tickets
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How to get the cheapest flight ticket from London Heathrow Airport to Idaho Falls
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
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 London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was £688. 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 London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £950.
What is the cheapest time of day to depart on your flight to Idaho Falls?
The cheapest time of day to fly to Idaho Falls is in the afternoon when flights can be purchased for as low as £774. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £888 on average. Flights to Idaho Falls from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
When to book flights from London Heathrow Airport to Idaho Falls
Cheap London Heathrow Airport to Idaho Falls (LHR to IDA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Idaho Falls
How far is London Heathrow to Idaho Falls Fanning Field by plane?
There are 4706.6 mi between London Heathrow and Idaho Falls Fanning Field. Typically, this will take 17h 51m by plane in normal conditions.
When did momondo last update prices for flights from London Heathrow Airport to Idaho Falls Fanning Field Airport?
Prices for flights from London Heathrow Airport to Idaho Falls Fanning Field Airport were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Idaho Falls Fanning Field Airport?
The number of operators available for flights from London Heathrow Airport to Idaho Falls Fanning Field Airport is 3 as of June 2025.
How old do you have to be to fly from London Heathrow Airport 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 from London Heathrow Airport 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.
What is the most popular airline from London Heathrow Airport to Idaho Falls?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Idaho Falls is United Airlines, representing 43% of all bookings. The subsequent popular airlines are Virgin Atlantic at 38% and KLM at 18%.
Best airlines flying from London Heathrow Airport to Idaho Falls
Compare and see reviews for airlines that fly from London Heathrow Airport to Idaho Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £591 | Free Cancellation | Rating 7.8 1,365 reviews | |||
| PriceFrom £648 | Free Cancellation | Rating 7.4 653 reviews | |||
| PriceFrom £739 | Free Cancellation | Rating 7.4 8,810 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Idaho Falls?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from London.
Can I find flights from London to Idaho Falls with flexible booking policies on momondo?
All flight searches from London to Idaho Falls on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Idaho Falls?
momondo helps you find the best flight between London and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from London to Idaho Falls right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Idaho Falls, momondo offers a useful price alert feature which will track prices for flights to Idaho Falls from London and alert you when they change.