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Cheap flights from London to Idaho Falls from £616

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IDA
21 Apr — 28 Apr1
1 adult

Cheap flight deals from London to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 April 2025.

Round-trip from

£616

Popular in

May

Cheapest in

February

Average price

£747
Virgin Atlantic
  • Virgin Atlantic
  • 7/5-20/5
  • 4 total stops
  • 58h 51m total
  • London to Idaho Falls
Highest demand for flights based on searches. 10% potential increase in price (£72 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from London to Idaho Falls

Cheapest flights from London to Idaho Falls
Explore the most affordable flight options available from London to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Tue 27/513:00LGW - IDA
2 stops16h 34mMultiple Airlines
Tue 10/616:20IDA - LGW
2 stops15h 20mMultiple Airlines
Deal found 15/4£1,133
Wed 28/512:00LGW - IDA
2 stops37h 10mVirgin Atlantic
Wed 11/615:04IDA - LGW
2 stops35h 56mVirgin Atlantic
Deal found 14/4£75,526

Cheapflights Fare Finder

Customise your flight search to find flights from London to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 April 2025.
Use the filters below to find and compare flights from London to Idaho Falls that are best for you.

Fly from

London

Fly to

Idaho Falls

Route

Depart

Return

Price

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 27/5

13:00-22:34

2 stops16h 34m

Idaho Falls Fanning Field

Tue 10/6

16:20-14:40

2 stops15h 20m

£1,133

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Wed 28/5

12:00-18:10

2 stops37h 10m

Idaho Falls Fanning Field

Wed 11/6

15:04-10:00

2 stops35h 56m

£75,526

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Best time to book a flight from London to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Idaho Falls

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 15.0 - 51.0 inches per month. May is typically the wettest month, when rainfall can reach 51.0 mm. July is typically the driest time to visit Idaho Falls when rainfall is around 15.0 mm.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated 16 April 2025.

Food

6.9

Overall

7.4

Crew

8.1

Boarding

7.6

Comfort

7.2

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

K,Aug 2024

LHR - MIA

The crew leader who did the tannoys was amazing. He really made us laugh 😂. Also, a great landing in very windy conditions.

Food

6.9

Overall

7.4

Crew

8.1

Boarding

7.6

Comfort

7.2

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

K,Aug 2024

LHR - MIA

The crew leader who did the tannoys was amazing. He really made us laugh 😂. Also, a great landing in very windy conditions.

Food

6.9

Overall

7.4

Crew

8.1

Boarding

7.6

Comfort

7.2

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

K,Aug 2024

LHR - MIA

The crew leader who did the tannoys was amazing. He really made us laugh 😂. Also, a great landing in very windy conditions.

Related info for your journey

Find useful and relevant information for your journey from London to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Idaho Falls from London?

    For a flight from London to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city. Fanning Field is the only Idaho Falls airport and it handles 0 inbound flights from London per day. 3 airlines have flights to Idaho Falls Fanning Field from London on a regular basis.

  • What are the cheapest airlines flying from London to Idaho Falls round-trip?

    Our cheapest airline available from London to Idaho Falls is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £616 on this airline. An additional option worth looking into is Lufthansa, starting at £756. Virgin Atlantic is 22% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from London to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on London to Idaho Falls flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Idaho Falls.

  • Can I find deals for business class flights from London to Idaho Falls?

    Yes. Cheapflights offers flight deals from London to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from London to Idaho Falls

Discover the top 3 airlines that operate flights from London to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£586Average£871FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£601Average£672FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£752Average£984FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Idaho Falls?

Deals for London to Idaho Falls flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Idaho Falls?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Idaho Falls for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Idaho Falls with no change fees?

Certainly. Search results for flights to Idaho Falls from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Idaho Falls become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Idaho Falls from London today and book when prices fit your budget.

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