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 56m on average. If you fly from Idaho Falls (another popular airport in Idaho) to London Heathrow Airport, then the average flight time is 12h 09m.

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.

£330 Cheap Flights from Idaho to London City Airport in 2026

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Cheap return flights

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14:37 - 17:55

BOI

LCY

20h 18m

2 stops

09:15 - 21:22

LCY

BOI

19h 07m

2 stops

£796Lufthansa

Tue, 21 Apr - Tue, 28 Apr

11:05 - 09:30

GEG

LCY

14h 25m

2 stops

20:45 - 15:31

LCY

GEG

26h 46m

2 stops

£802KLM

Sun, 10 May - Sun, 17 May

12:25 - 17:55

GEG

LCY

21h 30m

2 stops

09:15 - 21:16

LCY

GEG

20h 01m

2 stops

£835Lufthansa

Tue, 5 May - Tue, 19 May

12:25 - 17:55

GEG

LCY

21h 30m

2 stops

09:15 - 21:16

LCY

GEG

20h 01m

2 stops

£841Lufthansa

Tue, 5 May - Tue, 19 May

06:00 - 15:15

BOI

LCY

26h 15m

2 stops

09:35 - 21:07

LCY

BOI

42h 32m

2 stops

£843Iberia

Tue, 21 Apr - Tue, 28 Apr

06:00 - 15:15

GEG

LCY

25h 15m

2 stops

09:35 - 20:33

LCY

GEG

42h 58m

2 stops

£852Iberia

Tue, 21 Apr - Tue, 28 Apr

06:00 - 18:20

BOI

LCY

29h 20m

2 stops

19:30 - 21:07

LCY

BOI

32h 37m

2 stops

£896Multiple Airlines

Sun, 19 Apr - Sun, 26 Apr

14:55 - 15:15

BOI

LCY

41h 20m

2 stops

06:45 - 21:40

LCY

BOI

21h 55m

2 stops

£916Multiple Airlines

Mon, 31 Aug - Mon, 7 Sep

08:35 - 07:15

JAC

LCY

15h 40m

2 stops

07:45 - 20:03

LCY

JAC

19h 18m

2 stops

£1,211Delta

Thu, 30 Jul - Fri, 7 Aug

07:00 - 09:30

JAC

LCY

19h 30m

2 stops

07:45 - 20:03

LCY

JAC

19h 18m

2 stops

£1,266Delta

Thu, 9 Jul - Fri, 7 Aug

Iberia flights from Idaho to London City Airport

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

Iberia

21 Apr

BOI06:00Boise Air Term. Gowen Fld

26h 15m

2 stops

LCY15:15London City

28 Apr

LCY09:35London City

42h 32m

2 stops

BOI21:07Boise Air Term. Gowen Fld

£843

Iberia

21 Apr

GEG06:00Spokane

25h 15m

2 stops

LCY15:15London City

28 Apr

LCY09:35London City

42h 58m

2 stops

GEG20:33Spokane

£852

Iberia

12 Aug

GEG06:00Spokane

43h 10m

2 stops

LCY09:10London City

15 Sept

LCY19:15London City

33h 32m

2 stops

GEG20:47Spokane

£853

Delta flights from Idaho to London City Airport

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

Delta

5 Jul

BOI10:36Boise Air Term. Gowen Fld

15h 54m

2 stops

LCY09:30London City

18 Jul

LCY09:20London City

20h 41m

2 stops

BOI23:01Boise Air Term. Gowen Fld

£1,076

Delta

5 Jul

BOI10:36Boise Air Term. Gowen Fld

15h 54m

2 stops

LCY09:30London City

18 Jul

LCY09:20London City

20h 41m

2 stops

BOI23:01Boise Air Term. Gowen Fld

£1,098

Delta

5 Jul

BOI10:36Boise Air Term. Gowen Fld

15h 54m

2 stops

LCY09:30London City

18 Jul

LCY09:20London City

20h 41m

2 stops

BOI23:01Boise Air Term. Gowen Fld

£1,135

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 21/4

14:37-17:55

2 stops20h 18m

London City

Tue 28/4

09:15-21:22

2 stops19h 07m

£796

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 10/5

11:05-09:30

2 stops14h 25m

London City

Sun 17/5

20:45-15:31

2 stops26h 46m

£802

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 5/5

12:25-17:55

2 stops21h 30m

London City

Tue 19/5

09:15-21:16

2 stops20h 01m

£835

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 5/5

12:25-17:55

2 stops21h 30m

London City

Tue 19/5

09:15-21:16

2 stops20h 01m

£841

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 21/4

06:00-15:15

2 stops26h 15m

London City

Tue 28/4

09:35-21:07

2 stops42h 32m

£843

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 21/4

06:00-15:15

2 stops25h 15m

London City

Tue 28/4

09:35-20:33

2 stops42h 58m

£852

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sun 19/4

06:00-18:20

2 stops29h 20m

London City

Sun 26/4

19:30-21:07

2 stops32h 37m

£896

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 31/8

14:55-15:15

2 stops41h 20m

London City

Mon 7/9

06:45-21:40

2 stops21h 55m

£916

Fastest return journey

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Thu 30/7

08:35-07:15

2 stops15h 40m

London City

Fri 7/8

07:45-20:03

2 stops19h 18m

£1,211

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Thu 9/7

07:00-09:30

2 stops19h 30m

London City

Fri 7/8

07:45-20:03

2 stops19h 18m

£1,266

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, Delta, and United Airlines 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	14h 25m
Direct flights	None

The fastest flight from Idaho to London City Airport takes 14h 25m

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

Ipswich

Wembley

Canterbury

Ilford

Guildford

Hayes

Chelmsford

Dover

Folkestone

Ramsgate

Chichester

Bedford

Worthing

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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.