Cheap flights from London Heathrow Airport to Idaho Falls from £645
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
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 2 July 2025.
Round-trip from | £645 |
---|---|
Popular in | July |
Cheapest in | February |
Average price | £1,230 |
Find flight deals from Heathrow to Idaho Falls
Cheapest flights from Heathrow to Idaho FallsExplore 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 2 July 2025.
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 2 July 2025.
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 2 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Sat 22/11
16:30-12:19
1 stop26h 49m
Idaho Falls Fanning Field
Wed 26/11
13:50-12:15
1 stop15h 25m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Sat 22/11
06:20-18:14
2 stops18h 54m
Idaho Falls Fanning Field
Wed 26/11
13:05-12:15
2 stops16h 10m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Wed 16/7
18:00-17:22
2 stops30h 22m
Idaho Falls Fanning Field
Sun 20/7
10:45-09:40
1 stop15h 55m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Tue 19/8
10:55-22:27
1 stop18h 32m
Idaho Falls Fanning Field
Wed 27/8
15:00-13:10
2 stops15h 10m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Thu 14/8
13:25-22:39
1 stop16h 14m
Idaho Falls Fanning Field
Thu 21/8
06:13-11:20
1 stop22h 07m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Fri 15/8
14:05-17:22
2 stops34h 17m
Idaho Falls Fanning Field
Fri 22/8
17:56-06:30
2 stops29h 34m
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.
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 2 July 2025.
Read reviews from past customers who have flown with Delta, United Airlines, andVirgin Atlantic from London Heathrow Airport to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
Kim,May 2025
PIH - SLC
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Heathrow to Idaho Falls
See prices for flight routes from nearby airports that may be better suited for you.
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 2 July 2025.
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How does Cheapflights help users find flights 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.