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Cheap flights from Idaho Falls to London from £340

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Idaho Falls to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
14:40 - 09:40IDA  Idaho Falls Fanning Field-LHR London Heathrow
12h 00m1 stop Denver Intl
United Airlines Logo
06:35 - 09:28LHR  London Heathrow-IDA Idaho Falls Fanning Field
33h 53m2 stops Munich Franz Josef Strauss Denver Intl
£608United Airlines
Mon, 7 Dec - Wed, 9 Dec
United Airlines Logo
10:45 - 09:40IDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 55m1 stop Denver Intl
United Airlines Logo
06:35 - 15:29LHR  London Heathrow-IDA Idaho Falls Fanning Field
39h 54m2 stops Munich Franz Josef Strauss Denver Intl
£609United Airlines
Mon, 7 Dec - Wed, 9 Dec
United Airlines Logo
14:40 - 21:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
23h 40m2 stops Denver Intl Newark
United Airlines Logo
11:10 - 15:29LHR  London Heathrow-IDA Idaho Falls Fanning Field
35h 19m2 stops Munich Franz Josef Strauss Denver Intl
£612United Airlines
Mon, 7 Dec - Wed, 9 Dec
Lufthansa Logo
07:00 - 09:40IDA  Idaho Falls Fanning Field-LHR London Heathrow
19h 40m1 stop Denver Intl
Lufthansa Logo
07:30 - 21:08LHR  London Heathrow-IDA Idaho Falls Fanning Field
20h 38m2 stops Frankfurt am Main Denver Intl
£649Lufthansa
Mon, 7 Dec - Wed, 9 Dec
Alaska Airlines Logo
16:03 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
13h 17m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
14:45 - 22:39LHR  London Heathrow-IDA Idaho Falls Fanning Field
14h 54m1 stop Seattle/Tacoma Intl
£656Alaska Airlines
Mon, 7 Dec - Wed, 9 Dec
Alaska Airlines Logo
06:15 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
23h 05m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
14:45 - 22:39LHR  London Heathrow-IDA Idaho Falls Fanning Field
14h 54m1 stop Seattle/Tacoma Intl
£657Alaska Airlines
Mon, 7 Dec - Wed, 9 Dec
Alaska Airlines Logo
16:03 - 12:20IDA  Idaho Falls Fanning Field-LHR London Heathrow
13h 17m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
14:45 - 22:39LHR  London Heathrow-IDA Idaho Falls Fanning Field
14h 54m1 stop Seattle/Tacoma Intl
£658Alaska Airlines
Mon, 7 Dec - Wed, 9 Dec
Multiple Airlines Logo
13:58 - 13:45IDA  Idaho Falls Fanning Field-LHR London Heathrow
16h 47m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
08:15 - 21:42LHR  London Heathrow-IDA Idaho Falls Fanning Field
20h 27m2 stops Dublin Dallas/Fort Worth
£664Multiple Airlines
Wed, 7 Oct - Tue, 13 Oct
Multiple Airlines Logo
13:58 - 13:45IDA  Idaho Falls Fanning Field-LHR London Heathrow
16h 47m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
08:15 - 21:42LHR  London Heathrow-IDA Idaho Falls Fanning Field
20h 27m2 stops Dublin Dallas/Fort Worth
£664Multiple Airlines
Wed, 7 Oct - Tue, 13 Oct
United Airlines Logo
07:00 - 09:40IDA  Idaho Falls Fanning Field-LHR London Heathrow
19h 40m1 stop Denver Intl
United Airlines Logo
06:55 - 09:53LHR  London Heathrow-IDA Idaho Falls Fanning Field
33h 58m2 stops Munich Franz Josef Strauss Denver Intl
£674United Airlines
Mon, 12 Oct - Fri, 23 Oct

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United Airlines flights from Idaho Falls to London

Our best United Airlines deals on Idaho Falls to London flight tickets
United Airlines
7 Dec
IDA14:40Idaho Falls Fanning Field
12h 00m
1 stop
LHR09:40London Heathrow
9 Dec
LHR06:35London Heathrow
33h 53m
2 stops
IDA09:28Idaho Falls Fanning Field
£608
United Airlines
7 Dec
IDA10:45Idaho Falls Fanning Field
15h 55m
1 stop
LHR09:40London Heathrow
9 Dec
LHR06:35London Heathrow
39h 54m
2 stops
IDA15:29Idaho Falls Fanning Field
£609
United Airlines
7 Dec
IDA14:40Idaho Falls Fanning Field
23h 40m
2 stops
LHR21:20London Heathrow
9 Dec
LHR11:10London Heathrow
35h 19m
2 stops
IDA15:29Idaho Falls Fanning Field
£612

Alaska Airlines flights from Idaho Falls to London

Our best Alaska Airlines deals on Idaho Falls to London flight tickets
Alaska Airlines
7 Dec
IDA16:03Idaho Falls Fanning Field
13h 17m
1 stop
LHR12:20London Heathrow
9 Dec
LHR14:45London Heathrow
14h 54m
1 stop
IDA22:39Idaho Falls Fanning Field
£656
Alaska Airlines
7 Dec
IDA06:15Idaho Falls Fanning Field
23h 05m
1 stop
LHR12:20London Heathrow
9 Dec
LHR14:45London Heathrow
14h 54m
1 stop
IDA22:39Idaho Falls Fanning Field
£657
Alaska Airlines
7 Dec
IDA16:03Idaho Falls Fanning Field
13h 17m
1 stop
LHR12:20London Heathrow
9 Dec
LHR14:45London Heathrow
14h 54m
1 stop
IDA22:39Idaho Falls Fanning Field
£658

momondo Fare Finder

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

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Route

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Price

Cheapest return flight

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 7/12

14:40-09:40

1 stop12h 00m

London Heathrow

Wed 9/12

06:35-09:28

2 stops33h 53m

£608

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 7/12

10:45-09:40

1 stop15h 55m

London Heathrow

Wed 9/12

06:35-15:29

2 stops39h 54m

£609

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 7/12

14:40-21:20

2 stops23h 40m

London Heathrow

Wed 9/12

11:10-15:29

2 stops35h 19m

£612

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 7/12

07:00-09:40

1 stop19h 40m

London Heathrow

Wed 9/12

07:30-21:08

2 stops20h 38m

£649
Fastest return journey

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 7/12

16:03-12:20

1 stop13h 17m

London Heathrow

Wed 9/12

14:45-22:39

1 stop14h 54m

£656

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 7/12

06:15-12:20

1 stop23h 05m

London Heathrow

Wed 9/12

14:45-22:39

1 stop14h 54m

£657

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 7/12

16:03-12:20

1 stop13h 17m

London Heathrow

Wed 9/12

14:45-22:39

1 stop14h 54m

£658

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Wed 7/10

13:58-13:45

1 stop16h 47m

London Heathrow

Tue 13/10

08:15-21:42

2 stops20h 27m

£664

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Wed 7/10

13:58-13:45

1 stop16h 47m

London Heathrow

Tue 13/10

08:15-21:42

2 stops20h 27m

£664

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 12/10

07:00-09:40

1 stop19h 40m

London Heathrow

Fri 23/10

06:55-09:53

2 stops33h 58m

£674

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to London from

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

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 Idaho Falls Fanning Field to London?

Virgin Atlantic, Brussels Airlines, and United Airlines are the most popular carriers operating from Idaho Falls Fanning Field to London

When to book flights from Idaho Falls to London

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

Cheap Idaho Falls to London (IDA to LON) flight deals and tips

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

Best price found

£340

Fastest flight time

12h 00m

Direct flights

None
The best one-way flight to London from Idaho Falls in the past 72 hours is £340. The best return flight deal from Idaho Falls to London found on momondo in the last 72 hours is £608.
The fastest flight from Idaho Falls to London takes 12h 00m
There are no direct flights from Idaho Falls to London. There are no popular flight routes from Idaho Falls to London.
Search flight deals

Frequently asked questions about flying from Idaho Falls to London

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

    There are 4715.6 mi between Idaho Falls Fanning Field and London. By plane, this route typically takes 12h 00m.

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

    Prices for flights from Idaho Falls Fanning Field Airport to London are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Southend-on-Sea
Luton
Slough
Ipswich
Maidstone
Folkestone
Hastings
Ilford
Canterbury
Chichester
Hayes
Bedford
Guildford
Colchester
Harlow
Chelmsford

Why use momondo?

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

It is quick and easy to find Idaho Falls to London flights 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 London that suits you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho Falls to London.

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

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

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport
London Gatwick Airport
London Heathrow Airport
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London Southend Airport
London Stansted Airport