£647+ Cheap flights to Idaho Falls
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.
Flights to Idaho Falls in 2025
Find the latest flights to Idaho Falls in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 4 July 2025.
Return from | £647 |
---|---|
Popular in | May |
Cheapest in | November |
Average price | £879 |
Find flight deals to Idaho Falls
Cheapest flights to Idaho FallsExplore the most affordable flight options available to Idaho Falls. Find the lowest fares based on data from user searches, with prices last updated on 4 July 2025.
Explore the most affordable flight options available to Idaho Falls. Find the lowest fares based on data from user searches, with prices last updated on 4 July 2025.
Cheapflights Fare Finder
Locate flights to Idaho Falls that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 4 July 2025.
Use the filters below to find and compare flights to Idaho Falls that are best for you.
Fly from
Route
Depart
Return
Price
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Sat 22/11
11:55-12:19
1 stop31h 24m
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
06:05-10:15
2 stops21h 10m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Mon 18/8
20:10-18:11
2 stops29h 01m
Idaho Falls Fanning Field
Mon 25/8
15:00-09:50
1 stop11h 50m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Mon 18/8
20:10-18:11
2 stops29h 01m
Idaho Falls Fanning Field
Mon 25/8
11:20-13:10
2 stops18h 50m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Mon 18/8
17:25-18:11
2 stops31h 46m
Idaho Falls Fanning Field
Mon 25/8
11:20-13:30
2 stops19h 10m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Sat 22/11
11:10-22:52
2 stops18h 42m
Idaho Falls Fanning Field
Wed 26/11
10:50-11:05
2 stops17h 15m
LondonIdaho Falls
LHR - IDA
LHRIDA
London Heathrow
Sat 16/8
09:45-21:18
2 stops18h 33m
Idaho Falls Fanning Field
Sat 23/8
07:00-11:05
2 stops21h 05m
LondonIdaho Falls
LGW - IDA
LGWIDA
London Gatwick
Sat 16/8
13:00-22:39
2 stops16h 39m
Idaho Falls Fanning Field
Sat 23/8
06:13-11:45
2 stops22h 32m
Best time to book a flight to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Idaho Falls
How long is the flight to Idaho Falls?
On average, a flight from London to Idaho Falls takes 17 hours 46 minutes. Flights to Idaho Falls from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.
What are the most popular airlines that fly to Idaho Falls?
The most popular airlines flying from London to Idaho Falls are United Airlines, Virgin Atlantic and KLM.
What are the cheapest airlines that fly to Idaho Falls?
The cheapest airlines flying from London to Idaho Falls are KLM, Virgin Atlantic and United Airlines.
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 4 July 2025.
Check out reviews from past customers who have flown Delta, Air France, andUnited Airlines to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
FAQs about flying to Idaho Falls
Getting around Idaho Falls
Public buses, hire cars, and taxis all operate in Idaho Falls, so getting around is easy. There are also several specialised tour buses which will take you on trips to the mountains, the plains, or the Falls. Public buses tend to be run by various companies, so make sure you enquire which companies operate on the routes that you want to take. There are also air links to other parts of the US, such as Utah, with flights leaving several times a day, should you wish to explore even further afield, too.
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How does Cheapflights help users find flights to Idaho Falls?
Deals for 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 to your preference, such as price, airport, cabin class, and plenty of other options.
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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Idaho Falls.
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Yes! Cheapflights helps users easily find flights to Idaho Falls with no change fees.
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