Flights from London to Idaho Falls

Explore the best deals

Discover the cheapest flights from London to Idaho Falls

Filter by

Thu 24 Dec - Thu 31 Dec

Prime price per passenger

Sat 12 Dec - Sat 19 Dec

Prime price per passenger

Prime price per passenger

Prime price per passenger

Prime price per passenger

The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from London to Idaho Falls

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of January. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.

Filter by

week: 11 Jan - 17 Jan

Flights from just £541

£668

£565

£903

£681

£779

£941

£541

£587

NovemberDecemberJanuary

Flight Duration14 h and 2 mFlights between London and Idaho Falls take, on average, 14 h and 2 m minutes, but the time can vary according to other factors

Cheapest flight£542Cheapest price for a flight between London and Idaho Falls found by our customers in the last 72 hours

Origin airportsGatwick Airport, Heathrow Airport, London Stansted Airport, London Luton Airport, London City AirportFor flights from London to Idaho Falls

Destination airportIdaho Falls Regional AirportFor the route from London to Idaho Falls

High seasonMarchAccording to search data from our customers, March is the busiest time to fly from London to Idaho Falls

One-way average Price£1330The average price for a flight London - Idaho Falls at Opodo is £1330, based on the price of last 6 months

Best time to bookDecemberAccording to real data March is the most popular time to book a flight to Idaho Falls when departing from London

Exchange rate

1 GBP = 1.34 USD

1 USD = 0.75 GBP

Last checked on Tue 10/11

Distance: 4,718 mi

London airports

Gatwick Airport (LGW)How far from city centre: 25 mi

Heathrow Airport (LHR)How far from city centre: 14 mi

London Stansted Airport (STN)How far from city centre: 30 mi

London Luton Airport (LTN)How far from city centre: 28 mi

London City Airport (LCY)How far from city centre: 8 mi

Idaho Falls airports

Book your London to Idaho Falls flight

Search direct and connecting flights from London to Idaho Falls (United States) with Opodo. When your results appear, sort them by timing or fare and book whichever option fits your plans best.

The cheapest fare booked on this route in recent days was £542, although the price you're shown will vary with your travel dates and departure times.

Flying non-stop from London to Idaho Falls takes roughly 14 h and 5 m, whereas journeys with a layover will take longer.

Airports and airlines on the London–Idaho Falls route

Plan your trip with confidence by checking the relevant airports and comparing the airlines that fly this route.

Departure airport: Gatwick Airport (LGW)

The weather in Idaho Falls

The best time to go may come down to the kind of weather you most enjoy. In Idaho Falls, temperatures average around 29ºC in the warmest months and roughly -9ºC in the coldest. Bear this in mind when deciding what to pack and planning time outdoors.

Highs: up to 31ºC
Lows: down to -10ºC
Hottest month: July
Coldest month: January
Driest month: July
Wettest month: May

Tips for cheaper flights from London to Idaho Falls

A few ways to bring down the cost of your flight from London to Idaho Falls:

Flexible dates: check fares across two or three departure days. Going a day earlier or later can make a real difference to what you pay.
Baggage allowance: see what's included in each fare before booking, so you're not stung by unexpected charges at the airport.
Airports on your route: double-check which airports you'll fly from and into, particularly if the city has more than one. It makes it easier to plan transfers and work out the full cost of getting around.

After a bigger saving? Book a Flight + Hotel package to combine the two in a single booking and unlock exclusive discounts on your stay in Idaho Falls. Adding car hire to the same booking can save you money too.

Frequently asked questions about flights from London to Idaho Falls

On average, how much is the price of a flight from London to Idaho Falls?

When you fly from London to Idaho Falls the average price is £1330. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.

How can I find cheap flights from London to Idaho Falls at Opodo?

The cheapest price for a flight from London to Idaho Falls is 542 £. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

When is the best time to book a flight from London to Idaho Falls?

The most popular months to book a flight from London to Idaho Falls are May, December and January, based on the searches of our customers.

When is the best time to travel from London to Idaho Falls?

The best time of the year to go to Idaho Falls when flying from London depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, December is the top 1º month to fly to Idaho Falls from London in terms of searches from our customer, followed by January and March. If you prefer to avoid high peaks of turism, however, and escape a crowded period, October, November and September are the months with less volume of searchs for the route London - Idaho Falls.

How long does the flight take to go from London to Idaho Falls?

The total flight time between London and Idaho Falls is of around 14 h and 2 m on average, considering an average distance of 4,718.4 mi, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).

Which are the airlines with flights from London to Idaho Falls?

Klm Royal Dutch Airlines

American Airlines
Aer Lingus

Plan your trip

Other popular routesPopular Flight Routes