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.

£344 Cheap Flights from Idaho Falls to London in 2025

Q: What is the typical price of a round-trip flight between Idaho Falls and London?

Prices are currently low for flights on this route. Typical prices usually range from £711 to £962. The lowest price recently found on this route was £511.

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0 bags

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Find the cheapest flights from Idaho Falls to London

Round-trip

One-way

Cheap return flights

06:00 - 08:05IDA-LHR

19h 05m2 stops

06:20 - 22:21LHR-IDA

23h 01m2 stops

£511Delta

Find Deal

Thu, 5 Feb - Fri, 13 Feb

16:15 - 13:40IDA-LHR

14h 25m1 stop

08:50 - 21:48LHR-IDA

19h 58m2 stops

£534

Find Deal

Sun, 5 Oct - Wed, 15 Oct

06:00 - 11:55IDA-LHR

22h 55m2 stops

13:05 - 22:38LHR-IDA

16h 33m2 stops

£540

Find Deal

Sun, 5 Oct - Wed, 15 Oct

13:06 - 13:10IDA-LHR

17h 04m2 stops

11:45 - 22:30LHR-IDA

17h 45m2 stops

£553Delta

Find Deal

Sat, 4 Oct - Sat, 11 Oct

12:41 - 09:10IDA-LHR

13h 29m1 stop

10:30 - 21:48LHR-IDA

18h 18m1 stop

£557American Airlines

Find Deal

Sun, 5 Oct - Wed, 15 Oct

13:44 - 12:15IDA-LHR

15h 31m1 stop

14:25 - 21:57LHR-IDA

14h 32m1 stop

£594

Find Deal

Thu, 5 Feb - Fri, 13 Feb

16:15 - 13:40IDA-LHR

14h 25m1 stop

08:20 - 21:48LHR-IDA

20h 28m1 stop

£632

Find Deal

Sat, 4 Oct - Sat, 11 Oct

16:15 - 13:40IDA-LHR

14h 25m1 stop

09:15 - 21:48LHR-IDA

19h 33m2 stops

£634

Find Deal

Sat, 4 Oct - Sat, 11 Oct

07:00 - 06:40IDA-LHR

16h 40m2 stops

16:20 - 09:56LHR-IDA

24h 36m2 stops

£635United Airlines

Find Deal

Thu, 11 Dec - Sun, 21 Dec

Delta flights from Idaho Falls to London

Our best Delta deals on Idaho Falls to London flight tickets

Delta

5 Feb

IDA06:00Idaho Falls Fanning Field

19h 05m

2 stops

LHR08:05London Heathrow

13 Feb

LHR06:20London Heathrow

23h 01m

2 stops

IDA22:21Idaho Falls Fanning Field

£511

Find similar

Delta

4 Oct

IDA13:06Idaho Falls Fanning Field

17h 04m

2 stops

LHR13:10London Heathrow

11 Oct

LHR11:45London Heathrow

17h 45m

2 stops

IDA22:30Idaho Falls Fanning Field

£553

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Thu 5/2

06:00-08:05

2 stops19h 05m

London Heathrow

Fri 13/2

06:20-22:21

2 stops23h 01m

£511

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sun 5/10

16:15-13:40

1 stop14h 25m

London Heathrow

Wed 15/10

08:50-21:48

2 stops19h 58m

£534

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sun 5/10

06:00-11:55

2 stops22h 55m

London Heathrow

Wed 15/10

13:05-22:38

2 stops16h 33m

£540

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 4/10

13:06-13:10

2 stops17h 04m

London Heathrow

Sat 11/10

11:45-22:30

2 stops17h 45m

£553

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sun 5/10

12:41-09:10

1 stop13h 29m

London Heathrow

Wed 15/10

10:30-21:48

1 stop18h 18m

£557

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Thu 5/2

13:44-12:15

1 stop15h 31m

London Heathrow

Fri 13/2

14:25-21:57

1 stop14h 32m

£594

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 4/10

16:15-13:40

1 stop14h 25m

London Heathrow

Sat 11/10

08:20-21:48

1 stop20h 28m

£632

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 4/10

16:15-13:40

1 stop14h 25m

London Heathrow

Sat 11/10

09:15-21:48

2 stops19h 33m

£634

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Thu 11/12

07:00-06:40

2 stops16h 40m

London Heathrow

Sun 21/12

16:20-09:56

2 stops24h 36m

£635

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 15/10

12:55-11:05

1 stop15h 10m

£344

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

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 typical price of a round-trip flight between Idaho Falls and 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

Direct flights	None

There are no direct flights from Idaho Falls to London. There are no popular flight routes from Idaho Falls to London.

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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 13h 29m.
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.

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Gatwick

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Southend-on-Sea

Ipswich

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Colchester

Worthing

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Hounslow

Dover

Chelmsford

Hayes

Folkestone

Bedford

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.