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Cheap flights from London Heathrow Airport to Idaho Falls from £589

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IDA
26 Jan — 2 Feb1
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 21 January 2025.

Round-trip from

£589

Popular in

August

Cheapest in

January

Average price

£724
19/2-26/2
  • 19/2-26/2
  • 2 total stops
  • 36h 31m total
  • London to Idaho Falls
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High demand for flights, 18% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 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 21 January 2025.

Wed 19/213:15LHR - IDA
1 stop16h 21mMultiple Airlines
Wed 26/208:00IDA - LHR
1 stop20h 10mMultiple Airlines
Deal found 20/1£589
Mon 17/220:25LHR - IDA
2 stops28h 53mKLM
Mon 24/213:10IDA - LHR
1 stop13h 50mKLM
Deal found 20/1£621
Mon 17/217:50LHR - IDA
2 stops31h 28mVirgin Atlantic
Mon 24/213:10IDA - LHR
1 stop13h 50mVirgin Atlantic
Deal found 20/1£638
Mon 17/206:20LHR - IDA
2 stops18h 58mDelta
Mon 24/206:00IDA - LHR
2 stops18h 05mDelta
Deal found 20/1£642
Mon 17/214:30LHR - IDA
1 stop14h 41mFinnair
Mon 24/212:56IDA - LHR
1 stop16h 09mFinnair
Deal found 20/1£696

Find flights from Heathrow to Idaho Falls within your budget

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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 19/2

13:15-22:36

1 stop16h 21m

Idaho Falls Fanning Field

Wed 26/2

08:00-11:10

1 stop20h 10m

£589

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 17/2

20:25-18:18

2 stops28h 53m

Idaho Falls Fanning Field

Mon 24/2

13:10-10:00

1 stop13h 50m

£621

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 17/2

17:50-18:18

2 stops31h 28m

Idaho Falls Fanning Field

Mon 24/2

13:10-10:00

1 stop13h 50m

£638

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 17/2

06:20-18:18

2 stops18h 58m

Idaho Falls Fanning Field

Mon 24/2

06:00-07:05

2 stops18h 05m

£642

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 17/2

14:30-22:11

1 stop14h 41m

Idaho Falls Fanning Field

Mon 24/2

12:56-12:05

1 stop16h 09m

£696

Flights are sorted by cheapest return flights first.

Deals found on 20/1

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.

Travel insights for flights from Heathrow to Idaho Falls

Get recent, data-driven insights about flights from Heathrow to Idaho Falls including ideal travel times, pricing trends, and more.

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 21 January 2025.
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very Good
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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 1 airline.

  • 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 KLM. Our recent data shows that you can find tickets from as low as £621 on this airline. Additional options worth looking into are Virgin Atlantic and Delta, starting at £638 and £642 round-trip. Users have found that KLM is 34% 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

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Top airline flying from Heathrow to Idaho Falls

Discover the top airline 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 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£632Average£811FlexibilityNo cancel feeOn-time72%
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Fly with Cheapflights

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

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

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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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