Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Idaho Falls Fanning Field

£447 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 9/11. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 15:20LHR  London Heathrow-IDA Idaho Falls Fanning Field
29h 20m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
06:18 - 15:05IDA  Idaho Falls Fanning Field-LHR London Heathrow
25h 47m1 stop Seattle/Tacoma Intl
£770Alaska Airlines
Tue, 8 Sep - Tue, 15 Sep
Virgin Atlantic Logo
17:10 - 18:17LHR  London Heathrow-IDA Idaho Falls Fanning Field
32h 07m2 stops Amsterdam Schiphol Salt Lake City
Virgin Atlantic Logo
13:05 - 15:35IDA  Idaho Falls Fanning Field-LHR London Heathrow
19h 30m2 stops Salt Lake City Seattle/Tacoma Intl
£790Virgin Atlantic
Tue, 8 Sep - Tue, 15 Sep
Finnair Logo
16:25 - 11:45LHR  London Heathrow-IDA Idaho Falls Fanning Field
26h 20m1 stop Dallas/Fort Worth
Finnair Logo
07:00 - 10:15IDA  Idaho Falls Fanning Field-LHR London Heathrow
20h 15m2 stops Dallas/Fort Worth Toronto Pearson Intl
£790Finnair
Tue, 8 Sep - Tue, 15 Sep
Alaska Airlines Logo
14:45 - 22:54LHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 09m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
13:53 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 27m1 stop Seattle/Tacoma Intl
£801Alaska Airlines
Thu, 5 Nov - Mon, 9 Nov
Alaska Airlines Logo
14:45 - 15:18LHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 33m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
06:04 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
23h 16m1 stop Seattle/Tacoma Intl
£802Alaska Airlines
Wed, 4 Nov - Sun, 8 Nov
Alaska Airlines Logo
14:45 - 22:54LHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 09m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
13:53 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 27m1 stop Seattle/Tacoma Intl
£802Alaska Airlines
Thu, 5 Nov - Mon, 9 Nov
Alaska Airlines Logo
14:45 - 22:54LHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 09m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
13:53 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 27m1 stop Seattle/Tacoma Intl
£803Alaska Airlines
Thu, 5 Nov - Mon, 9 Nov
Alaska Airlines Logo
17:00 - 15:20LHR  London Heathrow-IDA Idaho Falls Fanning Field
29h 20m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
06:18 - 15:05IDA  Idaho Falls Fanning Field-LHR London Heathrow
25h 47m1 stop Seattle/Tacoma Intl
£816Alaska Airlines
Thu, 24 Sep - Thu, 1 Oct
United Airlines Logo
07:30 - 21:09LHR  London Heathrow-IDA Idaho Falls Fanning Field
20h 39m2 stops Frankfurt am Main Denver Intl
United Airlines Logo
17:40 - 20:35IDA  Idaho Falls Fanning Field-LHR London Heathrow
19h 55m2 stops Denver Intl Newark
£931United Airlines
Wed, 4 Nov - Sun, 8 Nov
United Airlines Logo
07:30 - 21:09LHR  London Heathrow-IDA Idaho Falls Fanning Field
20h 39m2 stops Frankfurt am Main Denver Intl
United Airlines Logo
17:40 - 09:40IDA  Idaho Falls Fanning Field-LHR London Heathrow
33h 00m1 stop Denver Intl
£931United Airlines
Wed, 4 Nov - Sun, 8 Nov

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 15 August 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 London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Tue 8/9

17:00-15:20

1 stop29h 20m

Idaho Falls Fanning Field

Tue 15/9

06:18-15:05

1 stop25h 47m

£770

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Tue 8/9

17:10-18:17

2 stops32h 07m

Idaho Falls Fanning Field

Tue 15/9

13:05-15:35

2 stops19h 30m

£790

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Tue 8/9

16:25-11:45

1 stop26h 20m

Idaho Falls Fanning Field

Tue 15/9

07:00-10:15

2 stops20h 15m

£790
Fastest return journey

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 5/11

14:45-22:54

1 stop15h 09m

Idaho Falls Fanning Field

Mon 9/11

13:53-12:20

1 stop15h 27m

£801

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Wed 4/11

14:45-15:18

1 stop31h 33m

Idaho Falls Fanning Field

Sun 8/11

06:04-12:20

1 stop23h 16m

£802

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 5/11

14:45-22:54

1 stop15h 09m

Idaho Falls Fanning Field

Mon 9/11

13:53-12:20

1 stop15h 27m

£802

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 5/11

14:45-22:54

1 stop15h 09m

Idaho Falls Fanning Field

Mon 9/11

13:53-12:20

1 stop15h 27m

£803

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 24/9

17:00-15:20

1 stop29h 20m

Idaho Falls Fanning Field

Thu 1/10

06:18-15:05

1 stop25h 47m

£816

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Wed 4/11

07:30-21:09

2 stops20h 39m

Idaho Falls Fanning Field

Sun 8/11

17:40-20:35

2 stops19h 55m

£931

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Wed 4/11

07:30-21:09

2 stops20h 39m

Idaho Falls Fanning Field

Sun 8/11

17:40-09:40

1 stop33h 00m

£931

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
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 17h 19m 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 One-Way Price

£447

Best Round-Trip Price

£770

Fastest flight time

51h 06m
The best one-way flight price to Idaho Falls from United Kingdom in the last 5 days is £447 (London Gatwick to Idaho Falls Fanning Field).
Search Deals
The best return flight price to Idaho Falls from United Kingdom in the last 5 days is £770 (London Heathrow to Idaho Falls Fanning Field).
Search Deals
The fastest flight to Idaho Falls from United Kingdom takes 51h 06m (London Heathrow to Idaho Falls Fanning Field).
Search Deals

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 £298/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 August 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 14/9
Mon 21/9
By creating a price alert you accept our terms of use and privacy policy.

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 £1,248
Manchester to Idaho Falls Fanning Field Flightsfrom £1,456
Glasgow to Idaho Falls Fanning Field Flightsfrom £1,466
Edinburgh Turnhouse to Idaho Falls Fanning Field Flightsfrom £1,461