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 23m on average. If you fly from Boise (another popular airport in Idaho) to London Heathrow Airport, then the average flight time is 12h 35m.

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.

£317 Cheap Flights from Idaho to London City Airport in 2025/26

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0 bags

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13:44 - 17:35

GEG

LCY

19h 51m2 stops

09:50 - 21:07

LCY

GEG

19h 17m2 stops

£484Lufthansa

Tue, 17 Feb - Wed, 4 Mar

13:44 - 17:40

GEG

LCY

19h 56m2 stops

09:50 - 21:03

LCY

GEG

18h 13m2 stops

£485Lufthansa

Wed, 25 Feb - Wed, 11 Mar

07:47 - 09:20

BOI

LCY

18h 33m2 stops

09:40 - 21:29

LCY

BOI

17h 49m2 stops

£526Lufthansa

Thu, 5 Mar - Thu, 12 Mar

13:44 - 17:35

GEG

LCY

19h 51m2 stops

09:50 - 21:07

LCY

GEG

19h 17m2 stops

£553Lufthansa

Tue, 17 Feb - Wed, 4 Mar

13:37 - 17:40

GEG

LCY

21h 03m2 stops

09:15 - 21:35

LCY

GEG

20h 20m2 stops

£588Lufthansa

Mon, 16 Mar - Mon, 27 Apr

07:20 - 14:05

BOI

LCY

23h 45m2 stops

07:50 - 21:18

LCY

BOI

20h 28m2 stops

£679Iberia

Wed, 28 Jan - Wed, 4 Feb

07:20 - 14:05

BOI

LCY

23h 45m2 stops

19:15 - 13:08

LCY

BOI

24h 53m2 stops

£718Iberia

Wed, 28 Jan - Fri, 6 Feb

05:51 - 08:50

GEG

LCY

18h 59m2 stops

07:50 - 21:13

LCY

GEG

21h 23m2 stops

£746Iberia

Tue, 17 Feb - Fri, 27 Feb

10:38 - 09:30

BOI

LCY

15h 52m2 stops

10:00 - 20:18

LCY

BOI

17h 18m2 stops

£981Delta

Wed, 3 Jun - Fri, 19 Jun

10:38 - 09:30

BOI

LCY

15h 52m2 stops

09:20 - 23:04

LCY

BOI

20h 44m2 stops

£1,148Delta

Sun, 31 May - Sat, 4 Jul

Lufthansa flights from Idaho to London City Airport

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

Lufthansa

17 Feb

GEG13:44Spokane

19h 51m

2 stops

LCY17:35London City

4 Mar

LCY09:50London City

19h 17m

2 stops

GEG21:07Spokane

£484

Find similar

Lufthansa

25 Feb

GEG13:44Spokane

19h 56m

2 stops

LCY17:40London City

11 Mar

LCY09:50London City

18h 13m

2 stops

GEG21:03Spokane

£600

Find similar

Lufthansa

17 May

BOI08:40Boise Air Term. Gowen Fld

26h 15m

2 stops

LCY17:55London City

16 Jun

LCY09:15London City

20h 51m

2 stops

BOI23:06Boise Air Term. Gowen Fld

£718

Find similar

Iberia flights from Idaho to London City Airport

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

Iberia

24 Feb

GEG05:51Spokane

18h 59m

2 stops

LCY08:50London City

4 Mar

LCY07:50London City

45h 23m

2 stops

GEG21:13Spokane

£675

Find similar

Iberia

2 Feb

BOI07:20Boise Air Term. Gowen Fld

24h 15m

2 stops

LCY14:35London City

9 Feb

LCY19:15London City

24h 53m

2 stops

BOI13:08Boise Air Term. Gowen Fld

£679

Find similar

Iberia

28 Jan

BOI07:20Boise Air Term. Gowen Fld

23h 45m

2 stops

LCY14:05London City

6 Feb

LCY19:15London City

24h 53m

2 stops

BOI13:08Boise Air Term. Gowen Fld

£718

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 17/2

13:44-17:35

2 stops19h 51m

London City

Wed 4/3

09:50-21:07

2 stops19h 17m

£484

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 25/2

13:44-17:40

2 stops19h 56m

London City

Wed 11/3

09:50-21:03

2 stops18h 13m

£485

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Thu 5/3

07:47-09:20

2 stops18h 33m

London City

Thu 12/3

09:40-21:29

2 stops17h 49m

£526

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 17/2

13:44-17:35

2 stops19h 51m

London City

Wed 4/3

09:50-21:07

2 stops19h 17m

£553

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Mon 16/3

13:37-17:40

2 stops21h 03m

London City

Mon 27/4

09:15-21:35

2 stops20h 20m

£588

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 28/1

07:20-14:05

2 stops23h 45m

London City

Wed 4/2

07:50-21:18

2 stops20h 28m

£679

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 28/1

07:20-14:05

2 stops23h 45m

London City

Fri 6/2

19:15-13:08

2 stops24h 53m

£718

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 17/2

05:51-08:50

2 stops18h 59m

London City

Fri 27/2

07:50-21:13

2 stops21h 23m

£746

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 3/6

10:38-09:30

2 stops15h 52m

London City

Fri 19/6

10:00-20:18

2 stops17h 18m

£981

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sun 31/5

10:38-09:30

2 stops15h 52m

London City

Sat 4/7

09:20-23:04

2 stops20h 44m

£1,148

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?

United Airlines and Delta 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	15h 40m
Direct flights	None

The fastest flight from Idaho to London City Airport takes 15h 40m

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

Search flight deals

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

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Colchester

Bedford

Ramsgate

Hounslow

Stansted

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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.