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Cheap flights from London Gatwick Airport to Idaho Falls from £650

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — IDA
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to Idaho Falls

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Idaho Falls
Explore the most affordable flight options available from Gatwick to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Tue 1/915:40
LGW
-
IDA
2 stops38h 16m
Multiple Airlines
Fri 25/906:18
IDA
-
LGW
2 stops25h 22m
Multiple Airlines
Deal found 9/6£868
Thu 17/1211:55
LGW
-
IDA
2 stops17h 44m
Multiple Airlines
Sat 26/1206:15
IDA
-
LGW
2 stops21h 40m
Multiple Airlines
Deal found 9/6£1,062
Thu 23/715:40
LGW
-
IDA
2 stops37h 59m
Multiple Airlines
Fri 31/716:14
IDA
-
LGW
2 stops15h 26m
Multiple Airlines
Deal found 10/6£1,282
Wed 26/815:40
LGW
-
IDA
2 stops38h 16m
Multiple Airlines
Mon 31/806:18
IDA
-
LGW
2 stops22h 27m
Multiple Airlines
Deal found 9/6£1,283
Thu 2/713:00
LGW
-
IDA
2 stops16h 39m
Multiple Airlines
Tue 1/914:01
IDA
-
LGW
2 stops17h 39m
Multiple Airlines
Deal found 6/6£1,629

Find flight deals from Gatwick to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) 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 10 June 2026.

Round-trip from

£868

One-way from

£650
1/9-25/9
  • 1/9-25/9
  • 4 total stops
  • 63h 38m total
  • London to Idaho Falls
Search Deals
10/7
  • 10/7
  • 3 total stops
  • 31h 26m total
  • London to Idaho Falls
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick 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 10 June 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 1/9

15:40-22:56

2 stops38h 16m

Idaho Falls Fanning Field

Fri 25/9

06:18-14:40

2 stops25h 22m

£868
Fastest return journey

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Thu 23/7

15:40-22:39

2 stops37h 59m

Idaho Falls Fanning Field

Fri 31/7

16:14-14:40

2 stops15h 26m

£1,282

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Wed 26/8

15:40-22:56

2 stops38h 16m

Idaho Falls Fanning Field

Mon 31/8

06:18-11:45

2 stops22h 27m

£1,283

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Fri 10/7

15:40-22:39

2 stops37h 59m

Idaho Falls Fanning Field

Fri 28/8

14:01-14:40

2 stops17h 39m

£1,718
Cheapest one-way

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Fri 10/7

12:40-13:06

3 stops31h 26m

£650

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Wed 1/7

15:40-13:06

2 stops52h 26m

£831
Fastest single journey

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 21/7

13:00-22:39

2 stops16h 39m

£1,078

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Thu 2/7

13:00-22:39

2 stops16h 39m

£1,190

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 30/6

13:00-22:39

2 stops16h 39m

£1,719

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Sorted by cheapest first

Best time to book a flight from Gatwick to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Gatwick 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.

Related info for your journey

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

    Idaho Falls Fanning Field (IDA) is the airport you will fly into if you book a flight from London Gatwick to Idaho Falls. You should not have trouble finding flights to Fanning Field from London Gatwick; the airport handles an average of 0 inbound flights from London Gatwick per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Idaho Falls airport from London Gatwick. It is only a 3.8 mi journey from Fanning Field (IDA) to Idaho Falls’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gatwick 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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Why should you use Cheapflights to find cheap flight tickets from Gatwick to Idaho Falls?

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

Need flexible booking options for your flight to Idaho Falls from Gatwick? 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 Gatwick to Idaho Falls become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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