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

On average, it takes 12h to fly from Idaho to London City Airport if you fly out of Idaho Falls (the most popular airport in Idaho) and into London Heathrow Airport (the most popular airport in London City Airport). If you’re flying out of Boise and into London Heathrow Airport, then the flight time is around 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 refreshed on a daily basis.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to London City Airport.

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

The required travel and health documents for your London City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$424 Cheap Flights from Idaho to London City Airport in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:44 pm - 5:35 pm

GEG

LCY

19h 51m2 stops

9:50 am - 9:07 pm

LCY

GEG

19h 17m2 stops

$648Lufthansa

Tue, Feb 17 - Wed, Mar 4

1:44 pm - 5:40 pm

GEG

LCY

19h 56m2 stops

9:50 am - 9:03 pm

LCY

GEG

18h 13m2 stops

$803Lufthansa

Wed, Feb 25 - Wed, Mar 11

5:51 am - 8:50 am

GEG

LCY

18h 59m2 stops

7:50 am - 9:13 pm

LCY

GEG

45h 23m2 stops

$903Iberia

Tue, Feb 24 - Wed, Mar 4

7:20 am - 2:35 pm

BOI

LCY

24h 15m2 stops

7:15 pm - 1:08 pm

LCY

BOI

24h 53m2 stops

$909Iberia

Mon, Feb 2 - Mon, Feb 9

8:40 am - 5:55 pm

BOI

LCY

26h 15m2 stops

9:15 am - 11:06 pm

LCY

BOI

20h 51m2 stops

$960Lufthansa

Sun, May 17 - Tue, Jun 16

7:20 am - 2:05 pm

BOI

LCY

23h 45m2 stops

7:15 pm - 1:08 pm

LCY

BOI

24h 53m2 stops

$961Iberia

Wed, Jan 28 - Fri, Feb 6

5:51 am - 8:50 am

GEG

LCY

18h 59m2 stops

7:50 am - 9:13 pm

LCY

GEG

21h 23m2 stops

$998Iberia

Tue, Feb 17 - Fri, Feb 27

2:40 pm - 5:40 pm

BOI

LCY

21h 00m2 stops

9:15 am - 9:22 pm

LCY

BOI

19h 07m2 stops

$1,028Lufthansa

Mon, Mar 23 - Mon, Apr 6

12:00 pm - 4:40 pm

GEG

LCY

20h 40m2 stops

9:40 am - 9:37 pm

LCY

GEG

19h 57m2 stops

$1,200Multiple Airlines

Sat, Feb 28 - Thu, Mar 5

10:38 am - 9:30 am

BOI

LCY

15h 52m2 stops

10:00 am - 8:18 pm

LCY

BOI

17h 18m2 stops

$1,312Delta

Wed, Jun 3 - Fri, Jun 19

Lufthansa flights from Idaho to London City Airport

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

Lufthansa

Feb 17

GEG1:44 pmSpokane

19h 51m

2 stops

LCY5:35 pmLondon City

Mar 4

LCY9:50 amLondon City

19h 17m

2 stops

GEG9:07 pmSpokane

$648

Find similar

Lufthansa

Mar 23

BOI2:40 pmBoise Air Term. Gowen Fld

21h 00m

2 stops

LCY5:40 pmLondon City

Apr 6

LCY9:15 amLondon City

19h 07m

2 stops

BOI9:22 pmBoise Air Term. Gowen Fld

$1,028

Find similar

Lufthansa

Apr 15

BOI2:37 pmBoise Air Term. Gowen Fld

20h 18m

2 stops

LCY5:55 pmLondon City

Apr 28

LCY9:15 amLondon City

19h 07m

2 stops

BOI9:22 pmBoise Air Term. Gowen Fld

$1,120

Find similar

Iberia flights from Idaho to London City Airport

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

Iberia

Feb 24

GEG5:51 amSpokane

18h 59m

2 stops

LCY8:50 amLondon City

Mar 4

LCY7:50 amLondon City

45h 23m

2 stops

GEG9:13 pmSpokane

$903

Find similar

Iberia

Jan 28

BOI7:20 amBoise Air Term. Gowen Fld

23h 45m

2 stops

LCY2:05 pmLondon City

Feb 4

LCY7:50 amLondon City

20h 28m

2 stops

BOI9:18 pmBoise Air Term. Gowen Fld

$909

Find similar

Iberia

Jan 28

BOI7:20 amBoise Air Term. Gowen Fld

23h 45m

2 stops

LCY2:05 pmLondon City

Feb 6

LCY7:15 pmLondon City

24h 53m

2 stops

BOI1:08 pmBoise Air Term. Gowen Fld

$961

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 2/17

1:44 pm-5:35 pm

2 stops19h 51m

London City

Wed 3/4

9:50 am-9:07 pm

2 stops19h 17m

$648

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 2/25

1:44 pm-5:40 pm

2 stops19h 56m

London City

Wed 3/11

9:50 am-9:03 pm

2 stops18h 13m

$803

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 2/24

5:51 am-8:50 am

2 stops18h 59m

London City

Wed 3/4

7:50 am-9:13 pm

2 stops45h 23m

$903

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 2/2

7:20 am-2:35 pm

2 stops24h 15m

London City

Mon 2/9

7:15 pm-1:08 pm

2 stops24h 53m

$909

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sun 5/17

8:40 am-5:55 pm

2 stops26h 15m

London City

Tue 6/16

9:15 am-11:06 pm

2 stops20h 51m

$960

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 1/28

7:20 am-2:05 pm

2 stops23h 45m

London City

Fri 2/6

7:15 pm-1:08 pm

2 stops24h 53m

$961

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 2/17

5:51 am-8:50 am

2 stops18h 59m

London City

Fri 2/27

7:50 am-9:13 pm

2 stops21h 23m

$998

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 3/23

2:40 pm-5:40 pm

2 stops21h 00m

London City

Mon 4/6

9:15 am-9:22 pm

2 stops19h 07m

$1,028

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sat 2/28

12:00 pm-4:40 pm

2 stops20h 40m

London City

Thu 3/5

9:40 am-9:37 pm

2 stops19h 57m

$1,200

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 6/3

10:38 am-9:30 am

2 stops15h 52m

London City

Fri 6/19

10:00 am-8:18 pm

2 stops17h 18m

$1,312

Flights are sorted by cheapest round-trip 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, Delta, 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	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 refreshed on a daily basis.
How old do you have to be to fly from Idaho to London City Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to London City Airport.
What documentation or ID do you need to fly to London City Airport?
The required travel and health documents for your London City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Watford

Ilford

Cobham

Folkestone

Romford

Richmond

Uxbridge

Stansted

Why use momondo?

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

Finding the right flight to London from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to London from Idaho with this policy.

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

momondo provides multiple filters to help you find the best flight to London from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to London from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.