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Cheap flights from London City Airport to Idaho from £587

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — BOI
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London City to Idaho

Enter your travel dates to find the best prices.

Best flights from London City to Idaho
Discover carefully curated flight deals from London City to Idaho that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Mon 4/509:15LCY - GEG
2 stops19h 54mLufthansa
Sun 10/507:00GEG - LCY
2 stops27h 35mLufthansa
Deal found 16/12£637
Thu 29/120:05LCY - JAC
2 stops27h 19mMultiple Airlines
Thu 5/214:40JAC - LCY
2 stops21h 55mMultiple Airlines
Deal found 15/12£1,373
Fri 30/108:40LCY - BOI
2 stops19h 15mDelta
Fri 6/205:20BOI - LCY
2 stops19h 50mDelta
Deal found 16/12£5,131
Fri 30/108:40LCY - GEG
2 stops19h 14mDelta
Fri 6/206:30GEG - LCY
2 stops17h 40mDelta
Deal found 16/12£5,231
Fri 30/111:40LCY - BOI
3 stops42h 22mMultiple Airlines
Fri 6/207:05BOI - LCY
3 stops47h 45mMultiple Airlines
Deal found 16/12£9,850
Sat 7/308:40LCY - BOI
3 stops44h 20mMultiple Airlines
Sat 14/308:16BOI - LCY
3 stops44h 34mMultiple Airlines
Deal found 17/12£9,850
Mon 20/406:55LCY - BOI
3 stops40h 20mMultiple Airlines
Mon 27/409:50BOI - LCY
3 stops41h 15mMultiple Airlines
Deal found 16/12£9,862
Tue 10/307:00LCY - GEG
3 stops41h 43mMultiple Airlines
Tue 17/306:58GEG - LCY
3 stops44h 52mMultiple Airlines
Deal found 16/12£9,977

Find flight deals from London City to Idaho

Keep the following information in mind while searching for London City to Idaho flight deals. Data was last updated 18 December 2025.

Round-trip from

£637

One-way from

£587

Popular in

December

Cheapest in

September

Average price

£1,113
Lufthansa
  • Lufthansa
  • 4/5-10/5
  • 4 total stops
  • 47h 29m total
  • London to Idaho
Search Deals
Lufthansa
  • Lufthansa
  • 21/4
  • 2 total stops
  • 18h 38m total
  • London to Idaho
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London City to Idaho 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 18 December 2025.
Use the filters below to find and compare flights from London City Airport to Idaho that are best for you.

Fly from

London City

Fly to

Idaho

Route

Depart

Return

Price

LondonSpokane

LCY - GEG

LCYGEG

London City

Mon 4/5

09:15-21:09

2 stops19h 54m

Spokane

Sun 10/5

07:00-18:35

2 stops27h 35m

£637

LondonJackson

LCY - JAC

LCYJAC

London City

Thu 29/1

20:05-16:24

2 stops27h 19m

Jackson Hole

Thu 5/2

14:40-19:35

2 stops21h 55m

£1,373

LondonBoise

LCY - BOI

LCYBOI

London City

Fri 30/1

08:40-20:55

2 stops19h 15m

Boise Air Term. Gowen Fld

Fri 6/2

05:20-08:10

2 stops19h 50m

£5,131

LondonSpokane

LCY - GEG

LCYGEG

London City

Fri 30/1

08:40-19:54

2 stops19h 14m

Spokane

Fri 6/2

06:30-08:10

2 stops17h 40m

£5,231

LondonBoise

LCY - BOI

LCYBOI

London City

Fri 30/1

11:40-23:02

3 stops42h 22m

Boise Air Term. Gowen Fld

Fri 6/2

07:05-13:50

3 stops47h 45m

£9,850

LondonBoise

LCY - BOI

LCYBOI

London City

Sat 7/3

08:40-22:00

3 stops44h 20m

Boise Air Term. Gowen Fld

Sat 14/3

08:16-10:50

3 stops44h 34m

£9,850

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 20/4

06:55-16:15

3 stops40h 20m

Boise Air Term. Gowen Fld

Mon 27/4

09:50-10:05

3 stops41h 15m

£9,862

LondonSpokane

LCY - GEG

LCYGEG

London City

Tue 10/3

07:00-17:43

3 stops41h 43m

Spokane

Tue 17/3

06:58-10:50

3 stops44h 52m

£9,977

LondonJackson

LCY - JAC

LCYJAC

London City

Tue 21/4

09:15-20:53

2 stops18h 38m

£587

LondonSpokane

LCY - GEG

LCYGEG

London City

Tue 6/1

09:15-00:32

3 stops23h 17m

£839

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 12 results
1
2

Best time to book a flight from London City to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from London City 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 London City Airport to Idaho
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 London City to Idaho. 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 London City Airport to Idaho?

    A quick flight from London City Airport to Idaho can take about 19h 15m. Lufthansa provides one of the quickest options available for as low as £5,131. Airlines will cover a distance of 4843 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London City to Idaho 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

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Alternative routes for London City to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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