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Cheap flights from London Heathrow Airport to Idaho Falls from £542

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IDA
31 Mar — 7 Apr1
1 adult

Cheap flight deals from Heathrow to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 26 March 2025.

Round-trip from

£627

One-way from

£542

Popular in

August

Cheapest in

February

Average price

£877
Virgin Atlantic
  • Virgin Atlantic
  • 6/5-13/5
  • 3 total stops
  • 38h 01m total
  • London to Idaho Falls
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23/4
  • 23/4
  • 2 total stops
  • 32h 11m total
  • London to Idaho Falls
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£248 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£33 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from Heathrow to Idaho Falls

Cheapest flights from Heathrow to Idaho Falls
Explore the most affordable flight options available from Heathrow to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Tue 6/506:15LHR - IDA
2 stops23h 41mVirgin Atlantic
Tue 13/512:30IDA - LHR
2 stops15h 50mVirgin Atlantic
Deal found 24/3£627
Tue 6/513:25LHR - IDA
1 stop16h 11mMultiple Airlines
Tue 13/516:35IDA - LHR
1 stop14h 40mMultiple Airlines
Deal found 24/3£663
Fri 9/507:25LHR - IDA
2 stops33h 07mUnited Airlines
Fri 16/516:22IDA - LHR
1 stop34h 18mUnited Airlines
Deal found 25/3£763
Wed 28/506:15LHR - IDA
2 stops18h 55mDelta
Wed 11/615:04IDA - LHR
1 stop11h 46mDelta
Deal found 24/3£772
Wed 28/511:00LHR - IDA
1 stop14h 10mAir France
Wed 11/611:20IDA - LHR
1 stop15h 30mAir France
Deal found 25/3£774
Wed 28/506:30LHR - IDA
2 stops23h 21mKLM
Wed 11/611:20IDA - LHR
2 stops19h 55mKLM
Deal found 24/3£832

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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 26 March 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Idaho Falls that are best for you.

Fly from

Heathrow

Fly to

Idaho Falls

Route

Depart

Return

Price

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 6/5

06:15-22:56

2 stops23h 41m

Idaho Falls Fanning Field

Tue 13/5

12:30-11:20

2 stops15h 50m

£627

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 6/5

13:25-22:36

1 stop16h 11m

Idaho Falls Fanning Field

Tue 13/5

16:35-14:15

1 stop14h 40m

£663

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Fri 9/5

07:25-09:32

2 stops33h 07m

Idaho Falls Fanning Field

Fri 16/5

16:22-09:40

1 stop34h 18m

£763

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 28/5

06:15-18:10

2 stops18h 55m

Idaho Falls Fanning Field

Wed 11/6

15:04-09:50

1 stop11h 46m

£772

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 28/5

11:00-18:10

1 stop14h 10m

Idaho Falls Fanning Field

Wed 11/6

11:20-09:50

1 stop15h 30m

£774

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 28/5

06:30-22:51

2 stops23h 21m

Idaho Falls Fanning Field

Wed 11/6

11:20-14:15

2 stops19h 55m

£832

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 23/4

21:25-22:36

2 stops32h 11m

£542

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 30/4

11:00-18:15

1 stop14h 15m

£5,180

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Sun 27/4

17:40-13:30

2 stops26h 50m

£9,715

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Best time to book a flight from Heathrow to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Heathrow 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 Heathrow Airport 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 26 March 2025.
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,423 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field is the airport most travelers will use when flying to Idaho Falls from London Heathrow. Booking flights from London Heathrow to Fanning Field (IDA) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 3 different airlines.

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

    Our cheapest airline available from London Heathrow Airport to Idaho Falls is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £627 on this airline. Additional options worth looking into are United Airlines and Delta, starting at £763 and £772 round-trip. Users have found that Virgin Atlantic is 32% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow to Idaho Falls

Discover the top 3 airlines that operate flights from Heathrow 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£598Average£995FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£614Average£686FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£716Average£946FlexibilityNo 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 Heathrow to Idaho Falls?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Idaho Falls from Heathrow today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Idaho Falls by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Idaho Falls from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Heathrow to Idaho Falls and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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