Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Idaho Falls from £440

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Idaho Falls

Cheap return flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
14:45 - 22:54LHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 09m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
06:04 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
23h 16m1 stop Seattle/Tacoma Intl
£729Alaska Airlines
Tue, 10 Nov - Tue, 17 Nov
Alaska Airlines Logo
14:45 - 15:21LHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
13:56 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
£806Alaska Airlines
Thu, 28 Jan - Mon, 1 Feb
Alaska Airlines Logo
14:45 - 15:21LHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
13:56 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
£807Alaska Airlines
Thu, 28 Jan - Mon, 1 Feb
Alaska Airlines Logo
14:45 - 15:21LHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
13:56 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
£808Alaska Airlines
Thu, 28 Jan - Mon, 1 Feb
Alaska Airlines Logo
14:45 - 22:59LHR  London Heathrow-IDA Idaho Falls Fanning Field
14h 14m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
06:04 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
23h 16m1 stop Seattle/Tacoma Intl
£848Alaska Airlines
Mon, 26 Oct - Mon, 2 Nov
Alaska Airlines Logo
17:00 - 15:20LHR  London Heathrow-IDA Idaho Falls Fanning Field
29h 20m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
06:09 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
24h 11m1 stop Seattle/Tacoma Intl
£875Alaska Airlines
Sat, 24 Oct - Sat, 31 Oct
Alaska Airlines Logo
14:45 - 22:53LHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 08m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
15:58 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
37h 22m2 stops Portland Seattle/Tacoma Intl
£889Alaska Airlines
Thu, 28 Jan - Mon, 1 Feb
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
10:35 - 10:50IDA  Idaho Falls Fanning Field-LHR London Heathrow
17h 15m2 stops Denver Intl Washington, D.C. Dulles Intl
£932United Airlines
Tue, 10 Nov - Tue, 17 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
07:00 - 09:40IDA  Idaho Falls Fanning Field-LHR London Heathrow
19h 40m1 stop Denver Intl
£932United Airlines
Tue, 10 Nov - Tue, 17 Nov
United Airlines Logo
06:35 - 21:08LHR  London Heathrow-IDA Idaho Falls Fanning Field
21h 33m2 stops Munich Franz Josef Strauss Denver Intl
United Airlines Logo
07:00 - 07:55IDA  Idaho Falls Fanning Field-LHR London Heathrow
17h 55m2 stops Denver Intl Chicago O'Hare Intl
£969United Airlines
Thu, 28 Jan - Mon, 1 Feb

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

Alaska Airlines flights from London Heathrow Airport to Idaho Falls

Our best Alaska Airlines deals on London Heathrow Airport to Idaho Falls flight tickets
Alaska Airlines
10 Nov
LHR14:45London Heathrow
15h 09m
1 stop
IDA22:54Idaho Falls Fanning Field
17 Nov
IDA06:04Idaho Falls Fanning Field
23h 16m
1 stop
LHR12:20London Heathrow
£729
Alaska Airlines
28 Jan
LHR14:45London Heathrow
31h 36m
1 stop
IDA15:21Idaho Falls Fanning Field
1 Feb
IDA13:56Idaho Falls Fanning Field
15h 24m
1 stop
LHR12:20London Heathrow
£806
Alaska Airlines
28 Jan
LHR14:45London Heathrow
31h 36m
1 stop
IDA15:21Idaho Falls Fanning Field
1 Feb
IDA13:56Idaho Falls Fanning Field
15h 24m
1 stop
LHR12:20London Heathrow
£807

United Airlines flights from London Heathrow Airport to Idaho Falls

Our best United Airlines deals on London Heathrow Airport to Idaho Falls flight tickets
United Airlines
10 Nov
LHR07:30London Heathrow
20h 39m
2 stops
IDA21:09Idaho Falls Fanning Field
17 Nov
IDA10:35Idaho Falls Fanning Field
17h 15m
2 stops
LHR10:50London Heathrow
£932
United Airlines
28 Jan
LHR06:35London Heathrow
21h 33m
2 stops
IDA21:08Idaho Falls Fanning Field
1 Feb
IDA07:00Idaho Falls Fanning Field
17h 55m
2 stops
LHR07:55London Heathrow
£969
United Airlines
28 Jan
LHR06:35London Heathrow
21h 33m
2 stops
IDA21:08Idaho Falls Fanning Field
1 Feb
IDA07:00Idaho Falls Fanning Field
16h 40m
2 stops
LHR06:40London Heathrow
£970

momondo Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Tue 10/11

14:45-22:54

1 stop15h 09m

Idaho Falls Fanning Field

Tue 17/11

06:04-12:20

1 stop23h 16m

£729

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 28/1

14:45-15:21

1 stop31h 36m

Idaho Falls Fanning Field

Mon 1/2

13:56-12:20

1 stop15h 24m

£806

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 28/1

14:45-15:21

1 stop31h 36m

Idaho Falls Fanning Field

Mon 1/2

13:56-12:20

1 stop15h 24m

£807

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 28/1

14:45-15:21

1 stop31h 36m

Idaho Falls Fanning Field

Mon 1/2

13:56-12:20

1 stop15h 24m

£808
Fastest return journey

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Mon 26/10

14:45-22:59

1 stop14h 14m

Idaho Falls Fanning Field

Mon 2/11

06:04-12:20

1 stop23h 16m

£848

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Sat 24/10

17:00-15:20

1 stop29h 20m

Idaho Falls Fanning Field

Sat 31/10

06:09-12:20

1 stop24h 11m

£875

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 28/1

14:45-22:53

1 stop15h 08m

Idaho Falls Fanning Field

Mon 1/2

15:58-12:20

2 stops37h 22m

£889

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Tue 10/11

07:30-21:09

2 stops20h 39m

Idaho Falls Fanning Field

Tue 17/11

10:35-10:50

2 stops17h 15m

£932

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Tue 10/11

07:30-21:09

2 stops20h 39m

Idaho Falls Fanning Field

Tue 17/11

07:00-09:40

1 stop19h 40m

£932

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 28/1

06:35-21:08

2 stops21h 33m

Idaho Falls Fanning Field

Mon 1/2

07:00-07:55

2 stops17h 55m

£969

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from London Heathrow Airport to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London Heathrow to Idaho Falls Fanning Field?

Alaska Airlines is the most popular carrier operating from London Heathrow to Idaho Falls Fanning Field

When to book flights from London Heathrow Airport to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Idaho Falls (LHR to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Idaho Falls

Best price found

£440

Fastest flight time

20h 08m

Direct flights

None
The best one-way flight to Idaho Falls from London Heathrow Airport in the past 72 hours is £440. The best return flight deal from London Heathrow Airport to Idaho Falls found on momondo in the last 72 hours is £729.
The fastest flight from London Heathrow Airport to Idaho Falls takes 20h 08m
There are no direct flights from London Heathrow Airport to Idaho Falls. There are no popular flight routes from London Heathrow Airport to Idaho Falls.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Idaho Falls

  • How far is London Heathrow to Idaho Falls Fanning Field by plane?

    There are 4706.6 mi between London Heathrow and Idaho Falls Fanning Field. Typically, this will take 20h 08m by plane in normal conditions.

  • When did momondo last update prices for flights from London Heathrow Airport to Idaho Falls Fanning Field Airport?

    Prices for flights from London Heathrow Airport to Idaho Falls Fanning Field Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from London Heathrow Airport 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 from London Heathrow Airport 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.

  • What is the most popular airline from London Heathrow Airport to Idaho Falls?

Best airlines flying from London Heathrow Airport to Idaho Falls

Compare and see reviews for airlines that fly from London Heathrow Airport to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom £1,051Free CancellationRating
7.4
10,261 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from London.

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

All flight searches from London to Idaho Falls on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Idaho Falls?

momondo helps you find the best flight between London and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Idaho Falls, momondo offers a useful price alert feature which will track prices for flights to Idaho Falls from London and alert you when they change.

An easier way to manage your Idaho Falls 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
Sat 31/10
Sat 7/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States