Cheap flights from Idaho to London from £292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to London departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

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07:23 - 12:30GEG-LCY
21h 07m2 stops
 Logo
09:25 - 23:05LCY-GEG
21h 40m2 stops
Mon, 8 Sep - Tue, 23 Sep
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07:23 - 12:30GEG-LCY
21h 07m2 stops
 Logo
08:45 - 23:05LCY-GEG
22h 20m3 stops
Mon, 8 Sep - Tue, 23 Sep
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12:27 - 18:35BOI-LCY
23h 08m2 stops
 Logo
08:55 - 22:30LCY-BOI
20h 35m3 stops
Sun, 21 Sep - Fri, 3 Oct
 Logo
07:45 - 12:30BOI-LCY
21h 45m2 stops
 Logo
09:25 - 23:44LCY-BOI
21h 19m2 stops
Thu, 16 Oct - Wed, 22 Oct
Lufthansa Logo
12:27 - 16:25BOI-LCY
20h 58m2 stops
Lufthansa Logo
08:45 - 19:33LCY-BOI
17h 48m2 stops
£597Lufthansa
Find Deal
Tue, 2 Sep - Tue, 16 Sep
Lufthansa Logo
13:38 - 16:25GEG-LCY
18h 47m2 stops
Lufthansa Logo
08:45 - 21:03LCY-GEG
20h 18m2 stops
£598Lufthansa
Find Deal
Thu, 11 Sep - Mon, 22 Sep
Lufthansa Logo
12:27 - 16:25BOI-LCY
20h 58m2 stops
Lufthansa Logo
08:45 - 19:33LCY-BOI
17h 48m2 stops
£652Lufthansa
Find Deal
Thu, 4 Sep - Tue, 9 Sep
Delta Logo
23:30 - 07:15BOI-LCY
24h 45m2 stops
Delta Logo
13:45 - 16:26LCY-BOI
33h 41m2 stops
£1,278Delta
Find Deal
Sat, 20 Dec - Sun, 28 Dec
Delta Logo
17:03 - 16:40GEG-LCY
15h 37m2 stops
Delta Logo
09:20 - 18:43LCY-GEG
17h 23m2 stops
£1,678Delta
Find Deal
Wed, 1 Oct - Tue, 7 Oct
Delta Logo
06:30 - 08:10GEG-LCY
17h 40m2 stops
Delta Logo
09:20 - 23:03LCY-GEG
21h 43m2 stops
£4,518Delta
Find Deal
Sun, 21 Dec - Fri, 2 Jan

Lufthansa flights from Idaho to London City Airport

Our best Lufthansa deals on Idaho to London City Airport flight tickets
Lufthansa
2 Sept
BOI12:27Boise Air Term. Gowen Fld
20h 58m
2 stops
LCY16:25London City
16 Sept
LCY08:45London City
17h 48m
2 stops
BOI19:33Boise Air Term. Gowen Fld
Lufthansa
11 Sept
GEG13:38Spokane
18h 47m
2 stops
LCY16:25London City
22 Sept
LCY08:45London City
20h 18m
2 stops
GEG21:03Spokane
Lufthansa
4 Sept
BOI12:27Boise Air Term. Gowen Fld
20h 58m
2 stops
LCY16:25London City
9 Sept
LCY08:45London City
17h 48m
2 stops
BOI19:33Boise Air Term. Gowen Fld

Delta flights from Idaho to London City Airport

Our best Delta deals on Idaho to London City Airport flight tickets
Delta
15 Aug
BOI05:30Boise Air Term. Gowen Fld
18h 45m
2 stops
LCY07:15London City
29 Aug
LCY10:00London City
17h 20m
2 stops
BOI20:20Boise Air Term. Gowen Fld
Delta
20 Dec
BOI23:30Boise Air Term. Gowen Fld
24h 45m
2 stops
LCY07:15London City
28 Dec
LCY13:45London City
33h 41m
2 stops
BOI16:26Boise Air Term. Gowen Fld
Delta
1 Oct
GEG17:03Spokane
15h 37m
2 stops
LCY16:40London City
7 Oct
LCY09:20London City
17h 23m
2 stops
GEG18:43Spokane

momondo Fare Finder

 
Customise your flight search to find flights from Idaho to London City Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 8 August 2025.
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

Mon 8/9

07:23-12:30

2 stops21h 07m

London City

Tue 23/9

09:25-23:05

2 stops21h 40m

£504

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Mon 8/9

07:23-12:30

2 stops21h 07m

London City

Tue 23/9

08:45-23:05

3 stops22h 20m

£511

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sun 21/9

12:27-18:35

2 stops23h 08m

London City

Fri 3/10

08:55-22:30

3 stops20h 35m

£554

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Thu 16/10

07:45-12:30

2 stops21h 45m

London City

Wed 22/10

09:25-23:44

2 stops21h 19m

£578

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 2/9

12:27-16:25

2 stops20h 58m

London City

Tue 16/9

08:45-19:33

2 stops17h 48m

£597

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Thu 11/9

13:38-16:25

2 stops18h 47m

London City

Mon 22/9

08:45-21:03

2 stops20h 18m

£598

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Thu 4/9

12:27-16:25

2 stops20h 58m

London City

Tue 9/9

08:45-19:33

2 stops17h 48m

£652

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sat 20/12

23:30-07:15

2 stops24h 45m

London City

Sun 28/12

13:45-16:26

2 stops33h 41m

£1,278

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 1/10

17:03-16:40

2 stops15h 37m

London City

Tue 7/10

09:20-18:43

2 stops17h 23m

£1,678

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 21/12

06:30-08:10

2 stops17h 40m

London City

Fri 2/1

09:20-23:03

2 stops21h 43m

£4,518

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

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

What is the cheapest airline that flies from Idaho to London City?

United Airlines, 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

Best price found

£292

Fastest flight time

15h 37m

Direct flights

None
The best one-way flight to London City Airport from Idaho in the past 72 hours is £292. The best return flight deal from Idaho to London City Airport found on momondo in the last 72 hours is £504.
The fastest flight from Idaho to London City Airport takes 15h 37m
There are no direct flights from Idaho to London City Airport. Popular non-direct routes for this connection are Jackson Hole Airport - London City Airport, Boise Air Term. Gowen Fld Airport - London City Airport and Spokane Airport - 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Maidstone
Southend-on-Sea
Canterbury
Gatwick
Ipswich
Ilford
Guildford
Colchester
Dartford
Hounslow
Worthing
Dover
Chelmsford
Hayes
Winchester
Bedford

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.

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