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Cheap flights from Idaho to London City Airport from £300

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LCY
5 Aug — 12 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Idaho to London City

Enter your travel dates to find the best prices.

Cheapest flights from Idaho to London City
Explore the most affordable flight options available from Idaho to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 July 2026.

Fri 2/1006:45
GEG
-
LCY
2 stops17h 10m
Delta
Fri 23/1009:20
LCY
-
GEG
2 stops19h 50m
Delta
Deal found 3/7£713
Tue 29/914:44
BOI
-
LCY
2 stops20h 11m
Lufthansa
Wed 7/1009:15
LCY
-
BOI
2 stops19h 20m
Lufthansa
Deal found 4/7£723
Wed 18/1105:25
GEG
-
LCY
2 stops24h 40m
Iberia
Wed 25/1107:50
LCY
-
GEG
2 stops21h 05m
Iberia
Deal found 1/7£734
Wed 12/811:09
GEG
-
LCY
2 stops14h 21m
Delta
Tue 15/910:00
LCY
-
GEG
2 stops20h 56m
Delta
Deal found 3/7£744
Sun 8/1107:00
GEG
-
LCY
2 stops26h 40m
Lufthansa
Mon 16/1109:50
LCY
-
GEG
2 stops19h 15m
Lufthansa
Deal found 5/7£748
Sat 3/1012:26
BOI
-
LCY
2 stops22h 29m
Lufthansa
Fri 16/1009:15
LCY
-
BOI
2 stops19h 20m
Lufthansa
Deal found 5/7£764
Thu 19/1105:25
GEG
-
LCY
2 stops19h 25m
Iberia
Wed 25/1107:50
LCY
-
GEG
2 stops21h 05m
Iberia
Deal found 3/7£775
Thu 17/909:23
GEG
-
LCY
2 stops16h 07m
Delta
Wed 23/910:00
LCY
-
GEG
2 stops20h 54m
Delta
Deal found 4/7£782
Tue 8/914:41
BOI
-
LCY
2 stops20h 14m
Lufthansa
Tue 22/909:15
LCY
-
BOI
2 stops19h 22m
Lufthansa
Deal found 3/7£785
Sat 3/1013:40
GEG
-
LCY
2 stops20h 15m
Lufthansa
Tue 27/1009:50
LCY
-
GEG
2 stops18h 15m
Lufthansa
Deal found 1/7£799
Wed 23/913:37
GEG
-
LCY
2 stops20h 18m
Lufthansa
Wed 11/1109:50
LCY
-
GEG
2 stops19h 15m
Lufthansa
Deal found 5/7£820
Mon 10/814:41
BOI
-
LCY
2 stops20h 14m
Lufthansa
Thu 20/809:15
LCY
-
BOI
2 stops19h 22m
Lufthansa
Deal found 1/7£841

Find flight deals from Idaho to London City

Keep the following information in mind while searching for Idaho to London City flight deals. Data was last updated 6 July 2026.

Round-trip from

£713

One-way from

£300

Popular in

January

Cheapest in

October

Average price

£1,050
Delta
  • Delta
  • 2/10-23/10
  • 4 total stops
  • 37h 00m total
  • Idaho to London
Search Deals
Delta
  • Delta
  • 9/10
  • 2 total stops
  • 14h 12m total
  • Idaho to London
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (£301 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 19% potential price decrease (£101 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Idaho to London City 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, Cheapflights users made 858,174 searches. Data last updated 6 July 2026.
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

Cheapest return flight

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Fri 2/10

06:45-07:55

2 stops17h 10m

London City

Fri 23/10

09:20-21:10

2 stops19h 50m

£713

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sat 3/10

12:26-17:55

2 stops22h 29m

London City

Fri 16/10

09:15-21:35

2 stops19h 20m

£764

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Thu 17/9

09:23-09:30

2 stops16h 07m

London City

Wed 23/9

10:00-22:54

2 stops20h 54m

£782

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 8/9

14:41-17:55

2 stops20h 14m

London City

Tue 22/9

09:15-21:37

2 stops19h 22m

£785

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 10/8

14:41-17:55

2 stops20h 14m

London City

Thu 20/8

09:15-21:37

2 stops19h 22m

£841

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 7/10

14:44-17:55

2 stops20h 11m

London City

Tue 13/10

09:15-21:35

2 stops19h 20m

£845

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 3/8

08:59-09:30

2 stops17h 31m

London City

Mon 10/8

09:20-22:30

2 stops20h 10m

£859

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Sat 21/11

13:10-13:15

2 stops17h 05m

London City

Mon 30/11

20:05-16:29

2 stops27h 24m

£867

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Thu 19/11

05:25-08:50

2 stops19h 25m

London City

Wed 25/11

07:50-20:55

2 stops21h 05m

£904

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 20/9

05:00-18:20

2 stops29h 20m

London City

Mon 28/9

18:05-20:25

2 stops34h 20m

£905

Flights are sorted by cheapest return flights first.

Deals found on 4/7

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from Idaho to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Idaho with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to London City Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to London City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to London City Airport?

    Departing from Idaho to London City Airport will take you 17h 05m. The distance from Idaho to London City Airport is about 4673 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Idaho to London City Airport?

    Most travelers choose Spokane - London City, Boise Air Term. Gowen Fld - London City or Jackson Hole - London City when deciding on the best route from Idaho to London City Airport.

  • Can I find deals for flights from Idaho to London City that include hotel bookings?

    Yes. In addition to deals on Idaho to London City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Idaho to London City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to London City.

  • Can I find deals for business class flights from Idaho to London City?

    Yes. Cheapflights offers flight deals from Idaho to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Eastbourne
Southall
Aylesbury
Romford
Borehamwood
Southend-on-Sea
Uxbridge

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to London City

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Idaho to London City?

When you search for this flight from Idaho to London City, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Idaho to London City?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Idaho to London City flexibly with Cheapflights today.

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