Cheap flights from London to Idaho Falls from £773
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London 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.
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Delta flights from London to Idaho Falls
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United Airlines flights from London to Idaho Falls
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How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and Idaho Falls?
What is the cheapest month to fly to Idaho Falls?
The cheapest month to fly to Idaho Falls from London 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 London 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 London. 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 London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £940.
When to book flights from London to Idaho Falls
Cheap London to Idaho Falls (LON to IDA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Idaho Falls
How far is London to Idaho Falls Fanning Field by plane?
The distance between London and Idaho Falls Fanning Field is about 4715.6 mi. By plane, this route typically takes 13h 08m.
When did momondo last update prices for flights from London to Idaho Falls Fanning Field Airport?
Prices for flights from London to Idaho Falls Fanning Field Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Idaho Falls Fanning Field Airport?
As of June 2025, there are 2 operators available to choose from for flights from London to Idaho Falls Fanning Field Airport.
How old do you have to be to fly from London to Idaho Falls Fanning Field Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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 required for your trip to Idaho Falls Fanning Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from London to Idaho Falls?
Based on momondo bookings for flights between London and Idaho Falls, the leading airline is Virgin Atlantic, making up 56% of the total bookings. Other popular airlines include United Airlines with 44%.
Best airlines flying from London to Idaho Falls
Compare and see reviews for airlines that fly from London to Idaho Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £641 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom £731 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Idaho Falls?
It is quick and easy to find London to Idaho Falls flights 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 from London to Idaho Falls with flexible booking policies on momondo?
Flights from London to Idaho Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
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.