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 12h 05m on average. If you fly from Idaho Falls (another popular airport in Idaho) to London Heathrow Airport, then the average flight time is 13h 50m.

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.

£254 Cheap Flights from Idaho to London City Airport in 2026

Find the cheapest flights from Idaho to London

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 17:40GEG Spokane-LCY London City

26h 40m2 stops San Francisco Frankfurt am Main

09:50 - 21:11LCY London City-GEG Spokane

19h 21m2 stops Frankfurt am Main Denver Intl

£700Lufthansa

Wed, 18 Nov - Wed, 25 Nov

06:00 - 07:55GEG Spokane-LCY London City

17h 55m2 stops Minneapolis St Paul Amsterdam Schiphol

10:00 - 21:10LCY London City-GEG Spokane

19h 10m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£724Delta

Fri, 16 Oct - Fri, 23 Oct

07:00 - 17:40GEG Spokane-LCY London City

26h 40m2 stops San Francisco Frankfurt am Main

09:50 - 21:11LCY London City-GEG Spokane

19h 21m2 stops Frankfurt am Main Denver Intl

£736Lufthansa

Thu, 19 Nov - Wed, 25 Nov

11:10 - 09:30GEG Spokane-LCY London City

14h 20m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

10:00 - 22:54LCY London City-GEG Spokane

20h 54m2 stops Amsterdam Schiphol Minneapolis St Paul

£746Delta

Sun, 20 Sep - Mon, 28 Sep

14:40 - 16:40JAC Jackson Hole-LCY London City

19h 00m2 stops Denver Intl Frankfurt am Main

09:50 - 21:02LCY London City-JAC Jackson Hole

18h 12m2 stops Frankfurt am Main Denver Intl

£758Lufthansa

Sat, 5 Dec - Fri, 11 Dec

08:40 - 09:15BOI Boise Air Term. Gowen Fld-LCY London City

17h 35m2 stops Chicago O'Hare Intl Frankfurt am Main

09:15 - 21:16LCY London City-BOI Boise Air Term. Gowen Fld

19h 01m2 stops Frankfurt am Main Denver Intl

£763Lufthansa

Wed, 10 Feb - Wed, 21 Apr

07:00 - 08:50BOI Boise Air Term. Gowen Fld-LCY London City

18h 50m2 stops Dallas/Fort Worth Madrid Barajas

07:50 - 22:32LCY London City-BOI Boise Air Term. Gowen Fld

21h 42m2 stops Madrid Barajas Dallas/Fort Worth

£765Iberia

Sun, 31 Jan - Wed, 10 Feb

06:45 - 07:55GEG Spokane-LCY London City

17h 10m2 stops Minneapolis St Paul Amsterdam Schiphol

10:00 - 22:54LCY London City-GEG Spokane

20h 54m2 stops Amsterdam Schiphol Minneapolis St Paul

£775Delta

Tue, 8 Sep - Wed, 23 Sep

13:06 - 16:40BOI Boise Air Term. Gowen Fld-LCY London City

20h 34m2 stops Salt Lake City Amsterdam Schiphol

09:20 - 23:04LCY London City-BOI Boise Air Term. Gowen Fld

20h 44m2 stops Amsterdam Schiphol Los Angeles Los Angeles

£819KLM

Sun, 20 Sep - Tue, 6 Oct

13:10 - 17:40GEG Spokane-LCY London City

20h 30m2 stops San Francisco Frankfurt am Main

09:50 - 21:11LCY London City-GEG Spokane

19h 21m2 stops Frankfurt am Main Denver Intl

£844Lufthansa

Wed, 18 Nov - Wed, 25 Nov

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Lufthansa flights from Idaho to London City Airport

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

Lufthansa

18 Nov

GEG07:00Spokane

26h 40m

2 stops

LCY17:40London City

25 Nov

LCY09:50London City

19h 21m

2 stops

GEG21:11Spokane

£700

Lufthansa

19 Nov

GEG07:00Spokane

26h 40m

2 stops

LCY17:40London City

25 Nov

LCY09:50London City

19h 21m

2 stops

GEG21:11Spokane

£736

Lufthansa

5 Dec

JAC14:40Jackson Hole

19h 00m

2 stops

LCY16:40London City

11 Dec

LCY09:50London City

18h 12m

2 stops

JAC21:02Jackson Hole

£758

Delta flights from Idaho to London City Airport

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

Delta

16 Oct

GEG06:00Spokane

17h 55m

2 stops

LCY07:55London City

23 Oct

LCY10:00London City

19h 10m

2 stops

GEG21:10Spokane

£724

Delta

20 Sept

GEG11:10Spokane

14h 20m

2 stops

LCY09:30London City

28 Sept

LCY10:00London City

20h 54m

2 stops

GEG22:54Spokane

£746

Delta

8 Sept

GEG06:45Spokane

17h 10m

2 stops

LCY07:55London City

23 Sept

LCY10:00London City

20h 54m

2 stops

GEG22:54Spokane

£775

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SpokaneLondon

GEG Spokane - LCY London City

GEGLCY

Spokane

Wed 18/11

07:00-17:40

2 stops26h 40m

London City

Wed 25/11

09:50-21:11

2 stops19h 21m

£700

SpokaneLondon

GEG Spokane - LCY London City

GEGLCY

Spokane

Fri 16/10

06:00-07:55

2 stops17h 55m

London City

Fri 23/10

10:00-21:10

2 stops19h 10m

£724

SpokaneLondon

GEG Spokane - LCY London City

GEGLCY

Spokane

Thu 19/11

07:00-17:40

2 stops26h 40m

London City

Wed 25/11

09:50-21:11

2 stops19h 21m

£736

Fastest return journey

SpokaneLondon

GEG Spokane - LCY London City

GEGLCY

Spokane

Sun 20/9

11:10-09:30

2 stops14h 20m

London City

Mon 28/9

10:00-22:54

2 stops20h 54m

£746

JacksonLondon

JAC Jackson Hole - LCY London City

JACLCY

Jackson Hole

Sat 5/12

14:40-16:40

2 stops19h 00m

London City

Fri 11/12

09:50-21:02

2 stops18h 12m

£758

BoiseLondon

BOI Boise Air Term. Gowen Fld - LCY London City

BOILCY

Boise Air Term. Gowen Fld

Wed 10/2

08:40-09:15

2 stops17h 35m

London City

Wed 21/4

09:15-21:16

2 stops19h 01m

£763

BoiseLondon

BOI Boise Air Term. Gowen Fld - LCY London City

BOILCY

Boise Air Term. Gowen Fld

Sun 31/1

07:00-08:50

2 stops18h 50m

London City

Wed 10/2

07:50-22:32

2 stops21h 42m

£765

SpokaneLondon

GEG Spokane - LCY London City

GEGLCY

Spokane

Tue 8/9

06:45-07:55

2 stops17h 10m

London City

Wed 23/9

10:00-22:54

2 stops20h 54m

£775

BoiseLondon

BOI Boise Air Term. Gowen Fld - LCY London City

BOILCY

Boise Air Term. Gowen Fld

Sun 20/9

13:06-16:40

2 stops20h 34m

London City

Tue 6/10

09:20-23:04

2 stops20h 44m

£819

SpokaneLondon

GEG Spokane - LCY London City

GEGLCY

Spokane

Wed 18/11

13:10-17:40

2 stops20h 30m

London City

Wed 25/11

09:50-21:11

2 stops19h 21m

£844

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, Virgin Atlantic, 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

Best price found	£254
Fastest flight time	14h 20m
Direct flights	None

The best one-way flight to London City Airport from Idaho in the past 72 hours is £254. The best return flight deal from Idaho to London City Airport found on momondo in the last 72 hours is £700.

The fastest flight from Idaho to London City Airport takes 14h 20m

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

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

Wembley

Gatwick

Milton Keynes

Luton

Southend-on-Sea

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Guildford

Bedford

Harlow

Colchester

Chelmsford

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.