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£524+ Cheap flights to Idaho Falls

— IDA
6 Oct — 13 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Idaho Falls in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Idaho Falls

Fri 16/1006:30 -
2 stops23h 29m
Fri 23/1006:09 -
2 stops24h 11m
Deal found 1/9£689
Fri 2/1017:00 -
1 stop29h 20m
Fri 9/1013:58 -
1 stop18h 07m
Deal found 4/9£710
Fri 2/1011:40 -
1 stop18h 16m
Fri 9/1013:58 -
1 stop18h 37m
Deal found 4/9£765
Fri 16/1017:00 -
1 stop29h 20m
Fri 23/1013:58 -
1 stop18h 07m
Deal found 1/9£774
Fri 20/1114:45 -
1 stop15h 12m
Sat 28/1106:02 -
1 stop23h 18m
Deal found 5/9£816
Sat 17/1017:00 -
1 stop29h 20m
Sat 24/1006:09 -
1 stop24h 11m
Deal found 2/9£851
Fri 20/1120:25 -
2 stops32h 57m
Sat 28/1113:11 -
1 stop13h 49m
Deal found 5/9£855
Fri 16/1013:05 -
2 stops16h 54m
Fri 23/1006:09 -
2 stops22h 46m
Deal found 1/9£861
Fri 2/1009:20 -
2 stops20h 02m
Fri 9/1018:56 -
2 stops29h 14m
Deal found 4/9£889
Fri 16/1019:50 -
2 stops33h 20m
Fri 23/1013:05 -
1 stop13h 55m
Deal found 1/9£903
Fri 20/1111:55 -
2 stops18h 02m
Sat 28/1106:02 -
2 stops21h 53m
Deal found 5/9£1,053
Sat 17/1015:40 -
2 stops38h 19m
Sat 24/1013:58 -
2 stops17h 42m
Deal found 2/9£1,255

Find flight deals to Idaho Falls

Return from

£689

One-way from

£524
16/10-23/10
  • 16/10-23/10
  • 4 total stops
  • 47h 40m total
  • London to Idaho Falls
Search Deals
28/12-31/12
  • 28/12-31/12
  • 2 total stops
  • 18h 50m total
  • London to Idaho Falls
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Idaho Falls that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Mon 28/12

11:55-23:45

2 stops18h 50m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£524

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Thu 31/12

11:55-23:45

2 stops18h 50m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£564
Fastest return journey

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Mon 28/12

14:45-23:45

1 stop16h 00m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£603

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Mon 28/12

13:15-23:46

1 stop17h 31m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£616

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 1/1

09:05-12:28

2 stops34h 23m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£619

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Wed 30/12

11:55-15:18

2 stops34h 23m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£639

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Sun 27/12

14:45-23:45

1 stop16h 00m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£645

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Sun 27/12

07:30-21:46

2 stops21h 16m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£652

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 2/10

17:00-15:20

1 stop29h 20m

Idaho Falls Fanning Field

Fri 9/10

13:58-15:05

1 stop18h 07m

£710

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 28/1

14:45-15:21

1 stop31h 36m

Idaho Falls Fanning Field

Mon 1/2

13:56-12:20

1 stop15h 24m

£721

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Showing 1-10 of 16 resultsSorted by cheapest first
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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.
Estimated return price

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 28 hours 17 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 airline flying from London to Idaho Falls is United Airlines.

United Airlines
United Airlines
From £1,031

What are the cheapest airlines that fly to Idaho Falls?

The cheapest airline flying from London to Idaho Falls is United Airlines.

Rainfall in Idaho Falls 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

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).

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.

  • When is the best time to fly to Idaho Falls?

    Winters in Idaho tend to be very snowy and cold, so unless you are visiting this region to ski or snowboard, it might be best to travel in another season. If you want to avoid the more expensive travel costs that are associated with the school summer holidays between June and August, whilst still being able to enjoy some temperate weather that lets you get out and about in nature, then the autumn months of September and October are a good time to visit Idaho Falls. Idaho Falls is also home to several festivals, from an annual Shakespeare Festival to a yearly June Picnic. So why not have a look to see what is going on and time your visit to coincide with one of these public events.

  • What airport do you fly into for flights to Idaho Falls?

    Booking a flight to Idaho Falls Fanning Field (IDA) is your only option if you intend on flying to Idaho Falls. It is only a 3.8 mi journey from Fanning Field to Idaho Falls’s city center.

  • Can I find cheaper flights to Idaho Falls if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Idaho Falls on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Idaho Falls?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Idaho Falls.

  • Where does the fastest flight to Idaho Falls depart from?

    For those looking to save time traveling to Idaho Falls, London offers the quickest one-way flight (18 hours 16 minutes).

  • Does Idaho Falls Fanning Field have car hire?

    Yes. Those touching down at Idaho Falls Fanning Field can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Idaho Falls Fanning Field?

    Yes. Idaho Falls Fanning Field has hotels nearby for those requiring accommodations. New Near Downtown+river+airport is the closest property to Idaho Falls Fanning Field (0.0 mi away from Idaho Falls Fanning Field).

See more FAQs

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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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