How long does it take to fly to London City Airport?

The flight from Idaho to London City Airport depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Idaho Falls (a popular airport in Idaho) to London Heathrow Airport (the most popular airport in London City Airport), then the flight time is 11h 59m on average. If you fly from Boise (another popular airport in Idaho) to London Heathrow Airport, then the average flight time is 12h 42m.

When did momondo last update prices for flights from Idaho to London City Airport?

Prices for flights from Idaho to London City Airport are updated daily.

How old do you have to be to fly from Idaho to London City 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 Idaho to London City Airport.

What documentation or ID do you need to fly to London City Airport?

The travel and health documents required for your trip to London City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£261 Cheap Flights from Idaho to London City Airport in 2026

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Find the cheapest flights from Idaho to London

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One-way

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Cheap return flights

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13:37 - 17:55

GEG

LCY

20h 18m

2 stops

09:50 - 21:09

LCY

GEG

19h 19m

2 stops

£677Lufthansa

Mon, 5 Oct - Thu, 28 Jan

13:37 - 17:55

GEG

LCY

20h 18m

2 stops

09:15 - 21:14

LCY

GEG

19h 59m

2 stops

£678Lufthansa

Mon, 17 Aug - Tue, 1 Sep

13:37 - 17:55

GEG

LCY

20h 18m

2 stops

09:50 - 21:09

LCY

GEG

18h 19m

2 stops

£712Lufthansa

Sat, 3 Oct - Tue, 27 Oct

06:50 - 07:15

GEG

LCY

16h 25m

2 stops

08:25 - 23:44

LCY

GEG

47h 19m

2 stops

£719Delta

Sun, 9 Aug - Tue, 1 Sep

15:59 - 09:30

GEG

LCY

33h 31m

2 stops

08:25 - 21:04

LCY

GEG

44h 39m

2 stops

£722Delta

Mon, 10 Aug - Tue, 1 Sep

14:04 - 17:20

BOI

LCY

20h 16m

2 stops

09:20 - 23:53

LCY

BOI

21h 33m

2 stops

£949KLM

Thu, 9 Jul - Mon, 3 Aug

12:10 - 13:10

BOI

LCY

18h 00m

2 stops

06:45 - 21:05

LCY

BOI

21h 20m

2 stops

£961Multiple Airlines

Wed, 30 Sep - Fri, 9 Oct

06:30 - 08:40

BOI

LCY

19h 10m

3 stops

18:30 - 17:56

LCY

BOI

30h 26m

3 stops

£979Multiple Airlines

Thu, 9 Jul - Mon, 3 Aug

07:00 - 08:50

JAC

LCY

18h 50m

2 stops

07:45 - 20:29

LCY

JAC

19h 44m

2 stops

£1,186Virgin Atlantic

Tue, 7 Jul - Fri, 24 Jul

18:05 - 16:40

JAC

LCY

15h 35m

2 stops

09:20 - 20:30

LCY

JAC

18h 10m

2 stops

£1,219KLM

Wed, 17 Jun - Fri, 26 Jun

Lufthansa flights from Idaho to London City Airport

Our best Lufthansa deals on Idaho to London City Airport flight tickets

Lufthansa

5 Oct

GEG13:37Spokane

20h 18m

2 stops

LCY17:55London City

28 Jan

LCY09:50London City

19h 19m

2 stops

GEG21:09Spokane

£677

Lufthansa

17 Aug

GEG13:37Spokane

20h 18m

2 stops

LCY17:55London City

1 Sept

LCY09:15London City

19h 59m

2 stops

GEG21:14Spokane

£678

Lufthansa

3 Oct

GEG13:37Spokane

20h 18m

2 stops

LCY17:55London City

27 Oct

LCY09:50London City

18h 19m

2 stops

GEG21:09Spokane

£712

KLM flights from Idaho to London City Airport

Our best KLM deals on Idaho to London City Airport flight tickets

KLM

9 Jul

BOI14:04Boise Air Term. Gowen Fld

20h 16m

2 stops

LCY17:20London City

3 Aug

LCY09:20London City

21h 33m

2 stops

BOI23:53Boise Air Term. Gowen Fld

£949

KLM

17 Jun

JAC18:05Jackson Hole

15h 35m

2 stops

LCY16:40London City

26 Jun

LCY09:20London City

18h 10m

2 stops

JAC20:30Jackson Hole

£1,219

KLM

7 Jun

JAC18:05Jackson Hole

16h 15m

2 stops

LCY17:20London City

12 Jun

LCY20:15London City

27h 45m

2 stops

JAC17:00Jackson Hole

£1,555

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Mon 5/10

13:37-17:55

2 stops20h 18m

London City

Thu 28/1

09:50-21:09

2 stops19h 19m

£677

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Mon 17/8

13:37-17:55

2 stops20h 18m

London City

Tue 1/9

09:15-21:14

2 stops19h 59m

£678

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sat 3/10

13:37-17:55

2 stops20h 18m

London City

Tue 27/10

09:50-21:09

2 stops18h 19m

£712

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 9/8

06:50-07:15

2 stops16h 25m

London City

Tue 1/9

08:25-23:44

2 stops47h 19m

£719

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Mon 10/8

15:59-09:30

2 stops33h 31m

London City

Tue 1/9

08:25-21:04

2 stops44h 39m

£722

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Thu 9/7

14:04-17:20

2 stops20h 16m

London City

Mon 3/8

09:20-23:53

2 stops21h 33m

£949

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 30/9

12:10-13:10

2 stops18h 00m

London City

Fri 9/10

06:45-21:05

2 stops21h 20m

£961

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Thu 9/7

06:30-08:40

3 stops19h 10m

London City

Mon 3/8

18:30-17:56

3 stops30h 26m

£979

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Tue 7/7

07:00-08:50

2 stops18h 50m

London City

Fri 24/7

07:45-20:29

2 stops19h 44m

£1,186

Fastest return journey

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Wed 17/6

18:05-16:40

2 stops15h 35m

London City

Fri 26/6

09:20-20:30

2 stops18h 10m

£1,219

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to London City Airport

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

Airlines

Other information

What is the cheapest airline that flies from Idaho to London City?

Delta, United Airlines, and Lufthansa are the most popular carriers operating from Idaho to London City

Cheap Idaho to London City Airport flight deals and tips

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

Fastest flight time	17h 10m
Direct flights	None

The fastest flight from Idaho to London City Airport takes 17h 10m

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

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Frequently asked questions about flying from Idaho to London City Airport

When did momondo last update prices for flights from Idaho to London City Airport?
Prices for flights from Idaho to London City Airport are updated daily.
How old do you have to be to fly from Idaho to London City 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 Idaho to London City Airport.
What documentation or ID do you need to fly to London City Airport?
The travel and health documents required for your trip to London City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Milton Keynes

Luton

Gatwick

Wembley

Slough

Maidstone

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Folkestone

Chelmsford

Dover

Bedford

Chichester

Harlow

Colchester

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to London for you.

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

Yes. momondo allows you to filter the results for Idaho to London flights to just show those with flexible booking policies.

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

Once all potential Idaho to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Idaho to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.