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Flights to Idaho Falls Fanning Field

£451 Cheap flights to Idaho Falls

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Idaho Falls departing on 25/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United Kingdom to Idaho Falls

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
21:25 - 22:56
LHR
-
IDA
32h 31m
2 stops
Icelandair Logo
13:45 - 20:20
IDA
-
LHR
23h 35m
2 stops
£803Icelandair
Tue, 1 Sep - Fri, 25 Sep
Icelandair Logo
21:25 - 22:56
LHR
-
IDA
32h 31m
2 stops
Icelandair Logo
13:45 - 20:20
IDA
-
LHR
23h 35m
2 stops
£804Icelandair
Tue, 1 Sep - Fri, 25 Sep
Icelandair Logo
13:05 - 22:56
LHR
-
IDA
40h 51m
2 stops
Icelandair Logo
13:45 - 20:20
IDA
-
LHR
23h 35m
2 stops
£805Icelandair
Tue, 1 Sep - Fri, 25 Sep
Multiple Airlines Logo
13:00 - 22:56
LGW
-
IDA
16h 56m
2 stops
Multiple Airlines Logo
13:45 - 14:40
IDA
-
LGW
17h 55m
2 stops
£816Multiple Airlines
Tue, 1 Sep - Fri, 25 Sep
Multiple Airlines Logo
13:00 - 22:56
LGW
-
IDA
16h 56m
2 stops
Multiple Airlines Logo
13:45 - 14:40
IDA
-
LGW
17h 55m
2 stops
£817Multiple Airlines
Tue, 1 Sep - Fri, 25 Sep
Multiple Airlines Logo
13:00 - 22:56
LGW
-
IDA
16h 56m
2 stops
Multiple Airlines Logo
06:18 - 14:40
IDA
-
LGW
25h 22m
2 stops
£818Multiple Airlines
Tue, 1 Sep - Fri, 25 Sep
Alaska Airlines Logo
17:00 - 15:37
LHR
-
IDA
29h 37m
1 stop
Alaska Airlines Logo
13:43 - 15:05
IDA
-
LHR
18h 22m
1 stop
£832Alaska Airlines
Tue, 9 Jun - Tue, 16 Jun
Alaska Airlines Logo
17:00 - 15:37
LHR
-
IDA
29h 37m
1 stop
Alaska Airlines Logo
13:43 - 15:05
IDA
-
LHR
18h 22m
1 stop
£834Alaska Airlines
Tue, 9 Jun - Tue, 16 Jun
Delta Logo
06:15 - 18:14
LHR
-
IDA
18h 59m
2 stops
Delta Logo
13:10 - 10:00
IDA
-
LHR
13h 50m
1 stop
£842Delta
Tue, 1 Sep - Fri, 25 Sep
Delta Logo
06:15 - 18:14
LHR
-
IDA
18h 59m
2 stops
Delta Logo
13:10 - 10:00
IDA
-
LHR
13h 50m
1 stop
£843Delta
Tue, 1 Sep - Fri, 25 Sep

momondo Fare Finder

 
Locate flights to Idaho Falls Fanning Field that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 25 April 2026.
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

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

21:25-22:56

2 stops32h 31m

Idaho Falls Fanning Field

Fri 25/9

13:45-20:20

2 stops23h 35m

£803

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

21:25-22:56

2 stops32h 31m

Idaho Falls Fanning Field

Fri 25/9

13:45-20:20

2 stops23h 35m

£804

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

13:05-22:56

2 stops40h 51m

Idaho Falls Fanning Field

Fri 25/9

13:45-20:20

2 stops23h 35m

£805

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 1/9

13:00-22:56

2 stops16h 56m

Idaho Falls Fanning Field

Fri 25/9

13:45-14:40

2 stops17h 55m

£816

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 1/9

13:00-22:56

2 stops16h 56m

Idaho Falls Fanning Field

Fri 25/9

13:45-14:40

2 stops17h 55m

£817

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 1/9

13:00-22:56

2 stops16h 56m

Idaho Falls Fanning Field

Fri 25/9

06:18-14:40

2 stops25h 22m

£818

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 9/6

17:00-15:37

1 stop29h 37m

Idaho Falls Fanning Field

Tue 16/6

13:43-15:05

1 stop18h 22m

£832

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 9/6

17:00-15:37

1 stop29h 37m

Idaho Falls Fanning Field

Tue 16/6

13:43-15:05

1 stop18h 22m

£834
Fastest return journey

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

06:15-18:14

2 stops18h 59m

Idaho Falls Fanning Field

Fri 25/9

13:10-10:00

1 stop13h 50m

£842

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

06:15-18:14

2 stops18h 59m

Idaho Falls Fanning Field

Fri 25/9

13:10-10:00

1 stop13h 50m

£843

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Idaho Falls from

Idaho Falls flights insights and trends

Explore insights for your Idaho Falls flight to craft the best travel plan

How long does it take to fly to Idaho Falls?

The average flight duration from United Kingdom to Idaho Falls depends on which airport you fly into and out of. Flying from London Heathrow to Jackson Hole is 15h 49m on average, while flying from Manchester to Jackson Hole is on average. Jackson Hole is the most popular airport in Idaho Falls.

Cheapest flights to Idaho Falls Fanning Field

Find the cheapest flights to Idaho Falls Fanning Field from your nearest city or airport

Cheap Idaho Falls flight deals and tips

Summary info about Idaho Falls flight prices, duration and airlines

Best One-Way Price

£451

Best Round-Trip Price

£803

Fastest flight time

16h 39m
The best one-way flight price to Idaho Falls from United Kingdom in the last 72 hours is £451 (London Heathrow to Idaho Falls Fanning Field).
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The best round-trip flight price to Idaho Falls from United Kingdom in the last 72 hours is £803 (London Heathrow to Idaho Falls Fanning Field).
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The fastest flight to Idaho Falls from United Kingdom takes 16h 39m (London Gatwick to Idaho Falls Fanning Field).
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Frequently asked questions about flying to Idaho Falls

Is there an alternative airport near Idaho Falls?

Those flying to Idaho Falls could potentially find better pricing at Idaho Falls Fanning Field Airport (4 mi from Idaho Falls city centre), Pocatello Airport (48 mi from Idaho Falls city centre) or West Yellowstone Airport (96 mi from Idaho Falls city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Idaho Falls?

The cheapest airport near Idaho Falls is typically West Yellowstone Airport, with an average price of £299/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Idaho Falls Fanning Field Airport?

Prices for flights to Idaho Falls Fanning Field Airport are updated daily.

How many operators does momondo search for flights to Idaho Falls Fanning Field Airport?

As of April 2026, there are 2 operators available to choose from for flights to Idaho Falls Fanning Field Airport.

How old do you have to be to fly to Idaho Falls Fanning Field Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Idaho Falls Fanning Field Airport.

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Idaho Falls?

It is quick and easy to find flights to Idaho Falls on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho Falls that suits you.

Can I find flights to Idaho Falls with flexible booking policies on momondo?

momondo does allow users to show only those flights to Idaho Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Idaho Falls?

Once you have performed a search for flights to Idaho Falls, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to Idaho Falls right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Idaho Falls and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Idaho Falls Fanning Field trip

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Find better results for your trip to Idaho Falls

Popular Flights to Idaho Falls

Popular routes according to searches in the past day on momondo
London to Idaho Falls Fanning Field Flightsfrom £1,084
Manchester to Idaho Falls Fanning Field Flightsfrom £1,265
Glasgow to Idaho Falls Fanning Field Flightsfrom £1,204
Edinburgh Turnhouse to Idaho Falls Fanning Field Flightsfrom £1,182