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Cheap flights from London City Airport to Idaho from £559

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — BOI
4 Mar — 11 Mar1
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 2 February 2026.

Wed 18/309:10
LCY
-
BOI
2 stops20h 46m
Multiple Airlines
Wed 25/318:04
BOI
-
LCY
2 stops17h 26m
Multiple Airlines
Deal found 1/2£875
Wed 18/314:00
LCY
-
JAC
2 stops27h 37m
Multiple Airlines
Wed 25/316:16
JAC
-
LCY
2 stops19h 24m
Multiple Airlines
Deal found 1/2£1,201
Sun 1/220:05
LCY
-
JAC
2 stops30h 01m
KLM
Sun 8/212:58
JAC
-
LCY
2 stops20h 37m
KLM
Deal found 31/1£1,259
Thu 1/1009:15
LCY
-
JAC
2 stops16h 37m
Lufthansa
Sun 4/1008:40
JAC
-
LCY
2 stops26h 15m
Lufthansa
Deal found 31/1£1,444
Mon 13/709:15
LCY
-
BOI
2 stops21h 44m
Multiple Airlines
Sat 18/710:55
BOI
-
LCY
2 stops24h 00m
Multiple Airlines
Deal found 1/2£1,498
Mon 20/410:00
LCY
-
BOI
2 stops19h 24m
Delta
Mon 27/410:41
BOI
-
LCY
2 stops15h 49m
Delta
Deal found 1/2£4,568
Mon 4/510:00
LCY
-
GEG
2 stops19h 05m
Delta
Sun 10/516:58
GEG
-
LCY
2 stops15h 42m
Delta
Deal found 2/2£5,217
Sat 7/308:40
LCY
-
BOI
3 stops44h 20m
Multiple Airlines
Sat 14/308:16
BOI
-
LCY
3 stops44h 34m
Multiple Airlines
Deal found 31/1£9,950

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 2 February 2026.

Round-trip from

£875

One-way from

£559

Popular in

December

Cheapest in

January

Average price

£587
18/3-25/3
  • 18/3-25/3
  • 4 total stops
  • 38h 12m total
  • London to Idaho
Search Deals
KLM
  • KLM
  • 10/3
  • 2 total stops
  • 19h 49m total
  • London to Idaho
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 2 February 2026.
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

LondonBoise

LCY - BOI

LCYBOI

London City

Wed 18/3

09:10-23:56

2 stops20h 46m

Boise Air Term. Gowen Fld

Wed 25/3

18:04-17:30

2 stops17h 26m

£875

LondonJackson

LCY - JAC

LCYJAC

London City

Wed 18/3

14:00-11:37

2 stops27h 37m

Jackson Hole

Wed 25/3

16:16-17:40

2 stops19h 24m

£1,201

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 13/7

09:15-23:59

2 stops21h 44m

Boise Air Term. Gowen Fld

Sat 18/7

10:55-17:55

2 stops24h 00m

£1,498

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 20/4

10:00-22:24

2 stops19h 24m

Boise Air Term. Gowen Fld

Mon 27/4

10:41-09:30

2 stops15h 49m

£4,568

LondonSpokane

LCY - GEG

LCYGEG

London City

Mon 4/5

10:00-21:05

2 stops19h 05m

Spokane

Sun 10/5

16:58-16:40

2 stops15h 42m

£5,217

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

£9,950

LondonSpokane

LCY - GEG

LCYGEG

London City

Tue 10/3

08:40-21:29

2 stops19h 49m

£559

LondonSpokane

LCY - GEG

LCYGEG

London City

Fri 20/3

18:15-21:03

2 stops33h 48m

£612

LondonBoise

LCY - BOI

LCYBOI

London City

Sun 3/5

13:45-21:56

2 stops15h 11m

£612

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 1/6

08:00-21:34

2 stops20h 34m

£614

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 22 results
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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 24m. Delta provides one of the quickest options available for as low as £4,568. Airlines will cover a distance of 4843 mi.

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

    Most travelers choose London City - Boise Air Term. Gowen Fld, London City - Spokane 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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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.

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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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