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 Boise (a popular airport in Idaho) to London Heathrow Airport (the most popular airport in London City Airport), then the flight time is 11h 51m on average. If you fly from Idaho Falls (another popular airport in Idaho) to London Heathrow Airport, then the average flight time is 12h.

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.

£323 Cheap Flights from Idaho to London City Airport in 2026

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0 bags

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Find the cheapest flights from Idaho to London

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One-way

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Enter your travel dates to find the best prices.

12:35 - 17:55

GEG

LCY

45h 20m

2 stops

09:15 - 21:16

LCY

GEG

20h 01m

2 stops

£519Lufthansa

Tue, 5 May - Tue, 19 May

07:00 - 17:55

GEG

LCY

26h 55m

2 stops

18:30 - 21:16

LCY

GEG

34h 46m

2 stops

£535Lufthansa

Sun, 19 Apr - Tue, 5 May

07:00 - 17:55

GEG

LCY

26h 55m

2 stops

09:15 - 21:16

LCY

GEG

20h 01m

2 stops

£556Lufthansa

Sun, 19 Apr - Mon, 4 May

14:22 - 17:55

BOI

LCY

20h 33m

2 stops

09:15 - 23:02

LCY

BOI

20h 47m

2 stops

£850Multiple Airlines

Sat, 18 Apr - Fri, 24 Apr

10:55 - 21:35

BOI

LCY

27h 40m

2 stops

20:30 - 21:23

LCY

BOI

31h 53m

2 stops

£901Multiple Airlines

Wed, 5 Aug - Mon, 10 Aug

07:00 - 14:35

BOI

LCY

25h 35m

2 stops

11:00 - 21:07

LCY

BOI

41h 07m

2 stops

£1,029Iberia

Mon, 23 Mar - Mon, 6 Apr

10:24 - 09:30

BOI

LCY

16h 06m

2 stops

09:20 - 23:04

LCY

BOI

20h 44m

2 stops

£1,040Delta

Sun, 5 Jul - Sat, 18 Jul

07:09 - 07:15

JAC

LCY

17h 06m

2 stops

07:45 - 19:38

LCY

JAC

18h 53m

2 stops

£1,187Delta

Wed, 15 Jul - Wed, 22 Jul

08:30 - 07:15

JAC

LCY

15h 45m

2 stops

10:00 - 19:38

LCY

JAC

16h 38m

2 stops

£1,601KLM

Wed, 15 Jul - Thu, 23 Jul

08:30 - 07:15

JAC

LCY

15h 45m

2 stops

10:00 - 19:38

LCY

JAC

16h 38m

2 stops

£1,629KLM

Thu, 16 Jul - Thu, 23 Jul

Lufthansa flights from Idaho to London City Airport

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

Lufthansa

5 May

GEG12:35Spokane

45h 20m

2 stops

LCY17:55London City

19 May

LCY09:15London City

20h 01m

2 stops

GEG21:16Spokane

£519

Lufthansa

19 Apr

GEG07:00Spokane

26h 55m

2 stops

LCY17:55London City

5 May

LCY18:30London City

34h 46m

2 stops

GEG21:16Spokane

£535

Lufthansa

19 Apr

GEG07:00Spokane

26h 55m

2 stops

LCY17:55London City

4 May

LCY09:15London City

20h 01m

2 stops

GEG21:16Spokane

£556

Delta flights from Idaho to London City Airport

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

Delta

12 Jul

GEG07:55Spokane

17h 35m

2 stops

LCY09:30London City

23 Jul

LCY07:45London City

23h 59m

2 stops

GEG23:44Spokane

£863

Delta

11 Jul

GEG17:40Spokane

31h 50m

2 stops

LCY09:30London City

23 Jul

LCY07:45London City

23h 59m

2 stops

GEG23:44Spokane

£867

Delta

9 Jul

GEG10:50Spokane

14h 40m

2 stops

LCY09:30London City

23 Jul

LCY07:45London City

23h 59m

2 stops

GEG23:44Spokane

£907

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 5/5

12:35-17:55

2 stops45h 20m

London City

Tue 19/5

09:15-21:16

2 stops20h 01m

£519

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 19/4

07:00-17:55

2 stops26h 55m

London City

Tue 5/5

18:30-21:16

2 stops34h 46m

£535

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 19/4

07:00-17:55

2 stops26h 55m

London City

Mon 4/5

09:15-21:16

2 stops20h 01m

£556

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sat 18/4

14:22-17:55

2 stops20h 33m

London City

Fri 24/4

09:15-23:02

2 stops20h 47m

£850

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 5/8

10:55-21:35

2 stops27h 40m

London City

Mon 10/8

20:30-21:23

2 stops31h 53m

£901

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 23/3

07:00-14:35

2 stops25h 35m

London City

Mon 6/4

11:00-21:07

2 stops41h 07m

£1,029

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sun 5/7

10:24-09:30

2 stops16h 06m

London City

Sat 18/7

09:20-23:04

2 stops20h 44m

£1,040

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Wed 15/7

07:09-07:15

2 stops17h 06m

London City

Wed 22/7

07:45-19:38

2 stops18h 53m

£1,187

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Wed 15/7

08:30-07:15

2 stops15h 45m

London City

Thu 23/7

10:00-19:38

2 stops16h 38m

£1,601

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Thu 16/7

08:30-07:15

2 stops15h 45m

London City

Thu 23/7

10:00-19:38

2 stops16h 38m

£1,629

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?

Lufthansa 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	13h 51m
Direct flights	None

The fastest flight from Idaho to London City Airport takes 13h 51m

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

Slough

Maidstone

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Wembley

Dover

Folkestone

Colchester

Bedford

Worthing

Ramsgate

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.