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Flights to Idaho Falls Fanning Field

£607 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 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Virgin Atlantic Logo
10:45 - 17:49
LHR
-
IDA
14h 04m
1 stop
Virgin Atlantic Logo
13:10 - 11:55
IDA
-
LHR
15h 45m
2 stops
£608Virgin Atlantic
Tue, 17 Feb - Tue, 3 Mar
Virgin Atlantic Logo
12:20 - 22:21
LHR
-
IDA
17h 01m
2 stops
Virgin Atlantic Logo
13:10 - 11:55
IDA
-
LHR
15h 45m
2 stops
£617Virgin Atlantic
Tue, 17 Feb - Tue, 3 Mar
American Airlines Logo
08:20 - 23:24
LHR
-
IDA
21h 04m
2 stops
American Airlines Logo
06:05 - 06:20
IDA
-
LHR
18h 15m
2 stops
£685American Airlines
Thu, 12 Mar - Thu, 19 Mar
American Airlines Logo
16:10 - 13:48
LHR
-
IDA
27h 38m
1 stop
American Airlines Logo
14:18 - 12:15
IDA
-
LHR
15h 57m
1 stop
£703American Airlines
Thu, 12 Mar - Thu, 19 Mar
United Airlines Logo
07:30 - 09:48
LHR
-
IDA
33h 18m
2 stops
United Airlines Logo
10:45 - 09:40
IDA
-
LHR
15h 55m
1 stop
£720United Airlines
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
09:30 - 09:48
LHR
-
IDA
31h 18m
2 stops
United Airlines Logo
14:40 - 09:40
IDA
-
LHR
12h 00m
1 stop
£725United Airlines
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
07:30 - 09:48
LHR
-
IDA
33h 18m
2 stops
United Airlines Logo
10:45 - 14:45
IDA
-
LHR
21h 00m
2 stops
£741United Airlines
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
11:35 - 20:58
LHR
-
IDA
16h 23m
1 stop
United Airlines Logo
14:40 - 09:40
IDA
-
LHR
12h 00m
1 stop
£742United Airlines
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
11:35 - 20:58
LHR
-
IDA
16h 23m
1 stop
United Airlines Logo
10:45 - 09:40
IDA
-
LHR
15h 55m
1 stop
£748United Airlines
Wed, 18 Feb - Sun, 22 Feb
Multiple Airlines Logo
11:55 - 22:52
LGW
-
IDA
16h 57m
2 stops
Multiple Airlines Logo
13:10 - 15:50
IDA
-
LGW
19h 40m
2 stops
£1,313Multiple Airlines
Mon, 23 Mar - Sun, 29 Mar

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 27 January 2026.
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

Tue 17/2

10:45-17:49

1 stop14h 04m

Idaho Falls Fanning Field

Tue 3/3

13:10-11:55

2 stops15h 45m

£608

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 17/2

12:20-22:21

2 stops17h 01m

Idaho Falls Fanning Field

Tue 3/3

13:10-11:55

2 stops15h 45m

£617

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Thu 12/3

08:20-23:24

2 stops21h 04m

Idaho Falls Fanning Field

Thu 19/3

06:05-06:20

2 stops18h 15m

£685

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Thu 12/3

16:10-13:48

1 stop27h 38m

Idaho Falls Fanning Field

Thu 19/3

14:18-12:15

1 stop15h 57m

£703

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 18/2

07:30-09:48

2 stops33h 18m

Idaho Falls Fanning Field

Sun 22/2

10:45-09:40

1 stop15h 55m

£720

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 18/2

09:30-09:48

2 stops31h 18m

Idaho Falls Fanning Field

Sun 22/2

14:40-09:40

1 stop12h 00m

£725

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 18/2

07:30-09:48

2 stops33h 18m

Idaho Falls Fanning Field

Sun 22/2

10:45-14:45

2 stops21h 00m

£741

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 18/2

11:35-20:58

1 stop16h 23m

Idaho Falls Fanning Field

Sun 22/2

14:40-09:40

1 stop12h 00m

£742

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 18/2

11:35-20:58

1 stop16h 23m

Idaho Falls Fanning Field

Sun 22/2

10:45-09:40

1 stop15h 55m

£748

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Mon 23/3

11:55-22:52

2 stops16h 57m

Idaho Falls Fanning Field

Sun 29/3

13:10-15:50

2 stops19h 40m

£1,313

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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Idaho Falls flights insights and trends

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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 16h 08m 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

£607

Best Round-Trip Price

£608

Fastest flight time

16h 02m
The best one-way flight price to Idaho Falls from United Kingdom in the last 72 hours is £607 (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 £608 (London Heathrow to Idaho Falls Fanning Field).
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The fastest flight to Idaho Falls from United Kingdom takes 16h 02m (London Heathrow to Idaho Falls Fanning Field).
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Frequently asked questions about flying to Idaho Falls

What is the cheapest month to fly to Idaho Falls?

The cheapest month to fly to Idaho Falls from United Kingdom is in November. Flight prices, which tend to average around £624, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Idaho Falls, with average flight prices from United Kingdom averaging around £633.

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 £295/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 January 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.

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Popular Flights to Idaho Falls

Popular routes according to searches in the past day on momondo
London to Idaho Falls Fanning Field Flightsfrom £971
Edinburgh Turnhouse to Idaho Falls Fanning Field Flightsfrom £1,397
Manchester to Idaho Falls Fanning Field Flightsfrom £1,178
Glasgow to Idaho Falls Fanning Field Flightsfrom £1,157