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Flights to Idaho Falls Fanning Field

£765 Cheap flights to Idaho Falls

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Idaho Falls departing on 1/9. 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
1 adult, Economy, 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.
Alaska Airlines Logo
17:00 - 15:20
LHR
-
IDA
29h 20m
1 stop
Alaska Airlines Logo
14:01 - 15:05
IDA
-
LHR
18h 04m
1 stop
£765Alaska Airlines
Tue, 1 Sep - Fri, 25 Sep
Finnair Logo
10:30 - 21:20
LHR
-
IDA
17h 50m
2 stops
Finnair Logo
07:00 - 10:15
IDA
-
LHR
20h 15m
2 stops
£766Finnair
Tue, 1 Sep - Fri, 25 Sep
Finnair Logo
08:20 - 21:20
LHR
-
IDA
20h 00m
2 stops
Finnair Logo
07:00 - 10:15
IDA
-
LHR
20h 15m
2 stops
£767Finnair
Tue, 1 Sep - Fri, 25 Sep
Finnair Logo
08:55 - 21:20
LHR
-
IDA
19h 25m
1 stop
Finnair Logo
14:08 - 10:15
IDA
-
LHR
37h 07m
2 stops
£768Finnair
Tue, 1 Sep - Fri, 25 Sep
Finnair Logo
10:05 - 21:20
LHR
-
IDA
18h 15m
1 stop
Finnair Logo
07:00 - 10:15
IDA
-
LHR
20h 15m
2 stops
£812Finnair
Tue, 1 Sep - Fri, 25 Sep
Delta Logo
06:15 - 18:20
LHR
-
IDA
19h 05m
2 stops
Delta Logo
18:57 - 20:10
IDA
-
LHR
18h 13m
2 stops
£848Delta
Tue, 1 Sep - Fri, 25 Sep
Multiple Airlines Logo
08:10 - 22:56
MAN
-
IDA
21h 46m
2 stops
Multiple Airlines Logo
14:01 - 16:55
IDA
-
MAN
19h 54m
2 stops
£978Multiple Airlines
Sat, 5 Sep - Sat, 12 Sep
Multiple Airlines Logo
15:40 - 22:56
LGW
-
IDA
38h 16m
2 stops
Multiple Airlines Logo
14:01 - 14:40
IDA
-
LGW
17h 39m
2 stops
£992Multiple Airlines
Tue, 1 Sep - Fri, 25 Sep
United Airlines Logo
14:00 - 13:29
GLA
-
IDA
30h 29m
2 stops
United Airlines Logo
16:04 - 10:10
IDA
-
GLA
35h 06m
2 stops
£1,052United Airlines
Thu, 10 Sep - Mon, 14 Sep
United Airlines Logo
09:40 - 09:53
EDI
-
IDA
31h 13m
2 stops
United Airlines Logo
16:05 - 08:05
IDA
-
EDI
33h 00m
2 stops
£1,056United Airlines
Fri, 25 Sep - Tue, 29 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 27 July 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

17:00-15:20

1 stop29h 20m

Idaho Falls Fanning Field

Fri 25/9

14:01-15:05

1 stop18h 04m

£765

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

10:30-21:20

2 stops17h 50m

Idaho Falls Fanning Field

Fri 25/9

07:00-10:15

2 stops20h 15m

£766

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

08:20-21:20

2 stops20h 00m

Idaho Falls Fanning Field

Fri 25/9

07:00-10:15

2 stops20h 15m

£767

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

08:55-21:20

1 stop19h 25m

Idaho Falls Fanning Field

Fri 25/9

14:08-10:15

2 stops37h 07m

£768

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

10:05-21:20

1 stop18h 15m

Idaho Falls Fanning Field

Fri 25/9

07:00-10:15

2 stops20h 15m

£812
Fastest return journey

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

06:15-18:20

2 stops19h 05m

Idaho Falls Fanning Field

Fri 25/9

18:57-20:10

2 stops18h 13m

£848

ManchesterIdaho Falls

MAN - IDA

MANIDA

Manchester

Sat 5/9

08:10-22:56

2 stops21h 46m

Idaho Falls Fanning Field

Sat 12/9

14:01-16:55

2 stops19h 54m

£978

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 1/9

15:40-22:56

2 stops38h 16m

Idaho Falls Fanning Field

Fri 25/9

14:01-14:40

2 stops17h 39m

£992

GlasgowIdaho Falls

GLA - IDA

GLAIDA

Glasgow Intl

Thu 10/9

14:00-13:29

2 stops30h 29m

Idaho Falls Fanning Field

Mon 14/9

16:04-10:10

2 stops35h 06m

£1,052

EdinburghIdaho Falls

EDI - IDA

EDIIDA

Edinburgh Turnhouse

Fri 25/9

09:40-09:53

2 stops31h 13m

Idaho Falls Fanning Field

Tue 29/9

16:05-08:05

2 stops33h 00m

£1,056

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 24h 31m on average, while flying from Manchester to Jackson Hole is on average. Jackson Hole is the most popular airport in Idaho Falls.

Cheap Idaho Falls flight deals and tips

Summary info about Idaho Falls flight prices, duration and airlines

Best Round-Trip Price

£765

Fastest flight time

21h 46m
The best return flight price to Idaho Falls from United Kingdom in the last 5 days is £765 (London Heathrow to Idaho Falls Fanning Field).
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The fastest flight to Idaho Falls from United Kingdom takes 21h 46m (Manchester 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 £302/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 July 2026, there is 1 operator 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 £1,022
Manchester to Idaho Falls Fanning Field Flightsfrom £1,326
Glasgow to Idaho Falls Fanning Field Flightsfrom £1,412
Edinburgh Turnhouse to Idaho Falls Fanning Field Flightsfrom £1,408