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Cheap flights from London City Airport to Idaho from £546

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — BOI
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London City to Idaho

Enter your travel dates to find the best prices.

Cheapest flights from London City to Idaho
Explore the most affordable flight options available from London City to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Tue 3/1109:50
LCY
-
BOI
2 stops18h 40m
Multiple Airlines
Tue 1/1207:00
BOI
-
LCY
2 stops18h 50m
Multiple Airlines
Deal found 17/7£748
Wed 18/1109:50
LCY
-
GEG
2 stops19h 11m
Lufthansa
Wed 25/1107:00
GEG
-
LCY
2 stops26h 40m
Lufthansa
Deal found 14/7£824
Mon 2/1119:15
LCY
-
BOI
2 stops24h 23m
Iberia
Mon 30/1107:00
BOI
-
LCY
2 stops24h 15m
Iberia
Deal found 17/7£912
Sun 27/1220:05
LCY
-
GEG
2 stops33h 32m
Virgin Atlantic
Sun 10/107:00
GEG
-
LCY
2 stops17h 10m
Virgin Atlantic
Deal found 13/7£951
Mon 24/809:15
LCY
-
BOI
2 stops19h 22m
Lufthansa
Mon 31/814:44
BOI
-
LCY
2 stops20h 11m
Lufthansa
Deal found 15/7£957
Wed 23/909:15
LCY
-
JAC
2 stops18h 25m
Multiple Airlines
Wed 30/917:55
JAC
-
LCY
2 stops17h 35m
Multiple Airlines
Deal found 13/7£1,011
Thu 3/909:15
LCY
-
GEG
2 stops21h 21m
Lufthansa
Wed 16/913:37
GEG
-
LCY
2 stops20h 18m
Lufthansa
Deal found 15/7£1,011
Tue 13/1008:10
LCY
-
BOI
2 stops21h 19m
Iberia
Thu 29/1007:00
BOI
-
LCY
2 stops19h 50m
Iberia
Deal found 13/7£1,014
Sun 23/820:45
LCY
-
GEG
2 stops32h 45m
KLM
Mon 31/806:45
GEG
-
LCY
2 stops17h 10m
KLM
Deal found 16/7£1,095
Thu 27/820:15
LCY
-
JAC
2 stops27h 42m
KLM
Sat 5/913:40
JAC
-
LCY
2 stops20h 40m
KLM
Deal found 13/7£1,201
Wed 29/707:45
LCY
-
JAC
2 stops19h 44m
KLM
Wed 5/818:01
JAC
-
LCY
2 stops17h 29m
KLM
Deal found 13/7£1,220
Mon 28/1220:05
LCY
-
GEG
2 stops35h 37m
Virgin Atlantic
Mon 4/107:00
GEG
-
LCY
2 stops17h 10m
Virgin Atlantic
Deal found 13/7£1,236

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 July 2026.

Round-trip from

£748

One-way from

£546

Popular in

December

Cheapest in

January

Average price

£916
Iberia
  • Iberia
  • 3/11-1/12
  • 4 total stops
  • 37h 30m total
  • London to Idaho
Search Deals
5/9
  • 5/9
  • 2 total stops
  • 20h 27m total
  • London to Idaho
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 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 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 July 2026.
Use the filters below to find and compare flights from London City Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSpokane

LCY - GEG

LCYGEG

London City

Wed 18/11

09:50-21:01

2 stops19h 11m

Spokane

Wed 25/11

07:00-17:40

2 stops26h 40m

£824

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 2/11

19:15-12:38

2 stops24h 23m

Boise Air Term. Gowen Fld

Mon 30/11

07:00-14:15

2 stops24h 15m

£912

LondonSpokane

LCY - GEG

LCYGEG

London City

Sun 27/12

20:05-21:37

2 stops33h 32m

Spokane

Sun 10/1

07:00-08:10

2 stops17h 10m

£951

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 24/8

09:15-21:37

2 stops19h 22m

Boise Air Term. Gowen Fld

Mon 31/8

14:44-17:55

2 stops20h 11m

£957

LondonSpokane

LCY - GEG

LCYGEG

London City

Thu 3/9

09:15-22:36

2 stops21h 21m

Spokane

Wed 16/9

13:37-17:55

2 stops20h 18m

£1,011

LondonBoise

LCY - BOI

LCYBOI

London City

Tue 13/10

08:10-22:29

2 stops21h 19m

Boise Air Term. Gowen Fld

Thu 29/10

07:00-08:50

2 stops19h 50m

£1,014

LondonSpokane

LCY - GEG

LCYGEG

London City

Sun 23/8

20:45-21:30

2 stops32h 45m

Spokane

Mon 31/8

06:45-07:55

2 stops17h 10m

£1,095

LondonJackson

LCY - JAC

LCYJAC

London City

Thu 27/8

20:15-16:57

2 stops27h 42m

Jackson Hole

Sat 5/9

13:40-17:20

2 stops20h 40m

£1,201

LondonJackson

LCY - JAC

LCYJAC

London City

Wed 29/7

07:45-20:29

2 stops19h 44m

Jackson Hole

Wed 5/8

18:01-18:30

2 stops17h 29m

£1,220

LondonJackson

LCY - JAC

LCYJAC

London City

Mon 10/8

07:45-16:57

2 stops16h 12m

Jackson Hole

Mon 17/8

07:02-08:50

2 stops18h 48m

£1,311

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 30 resultsSorted by cheapest first
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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 11m. Lufthansa provides one of the quickest options available for as low as £824. Airlines will cover a distance of 4655 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 - Boise Air Term. Gowen Fld, London City - Jackson Hole or London City - Spokane 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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Fly with Cheapflights

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How does Cheapflights help users find flights from London City to Idaho?

When you search for this flight from London City to Idaho, 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 London City to Idaho?

Millions of users choose and trust Cheapflights to book the best flight deals from London City to Idaho for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London City to Idaho with no change fees?

Need flexible booking options for your flight to Idaho from London City? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London City to Idaho become cheaper?

Not ready to book yet? You can track prices for flights from London City to Idaho on Cheapflights with our Price Alert feature and get notified when better prices are available.

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