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Cheap flights from London City Airport to Idaho from £649

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — BOI
23 Apr — 30 Apr1
1 adult

Cheap 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 April 2025.

Round-trip from

£738

One-way from

£649

Popular in

August

Cheapest in

November

Average price

£678
KLM
  • KLM
  • 22/5-25/5
  • 4 total stops
  • 77h 44m total
  • London to Idaho
Search Deals
12/5
  • 12/5
  • 2 total stops
  • 19h 13m total
  • London to Idaho
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£113 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from London City to Idaho

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 April 2025.

Thu 22/510:00LCY - GEG
2 stops38h 00mKLM
Sun 25/516:56GEG - LCY
2 stops39h 44mKLM
Deal found 16/4£738
Wed 18/607:45LCY - BOI
2 stops23h 14mVirgin Atlantic
Mon 23/610:24BOI - LCY
2 stops14h 46mVirgin Atlantic
Deal found 17/4£785
Mon 2/609:20LCY - GEG
2 stops21h 55mVirgin Atlantic
Mon 9/613:15GEG - LCY
2 stops19h 25mVirgin Atlantic
Deal found 18/4£818
Sat 21/608:40LCY - BOI
2 stops21h 21mKLM
Mon 30/618:10BOI - LCY
2 stops16h 10mKLM
Deal found 17/4£872
Mon 2/608:10LCY - GEG
3 stops21h 46mMultiple Airlines
Mon 9/607:25GEG - LCY
2 stops21h 05mMultiple Airlines
Deal found 18/4£890
Tue 12/808:45LCY - BOI
2 stops21h 01mMultiple Airlines
Tue 19/813:29BOI - LCY
2 stops19h 56mMultiple Airlines
Deal found 17/4£920
Sun 1/618:05LCY - BOI
2 stops34h 21mSWISS
Sun 8/614:35BOI - LCY
2 stops35h 15mSWISS
Deal found 17/4£1,044
Tue 24/608:45LCY - GEG
2 stops22h 29mLufthansa
Thu 3/707:25GEG - LCY
2 stops25h 00mLufthansa
Deal found 17/4£1,453
Sun 1/620:45LCY - JAC
2 stops28h 25mKLM
Sun 8/618:53JAC - LCY
2 stops14h 47mKLM
Deal found 17/4£1,644
Thu 10/719:10LCY - BOI
2 stops34h 42mLufthansa
Thu 31/708:30BOI - LCY
2 stops24h 55mLufthansa
Deal found 18/4£14,980

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 April 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

Thu 22/5

10:00-16:00

2 stops38h 00m

Spokane

Sun 25/5

16:56-16:40

2 stops39h 44m

£738

LondonBoise

LCY - BOI

LCYBOI

London City

Wed 18/6

07:45-23:59

2 stops23h 14m

Boise Air Term. Gowen Fld

Mon 23/6

10:24-08:10

2 stops14h 46m

£785

LondonSpokane

LCY - GEG

LCYGEG

London City

Mon 2/6

09:20-23:15

2 stops21h 55m

Spokane

Mon 9/6

13:15-16:40

2 stops19h 25m

£818

LondonBoise

LCY - BOI

LCYBOI

London City

Sat 21/6

08:40-23:01

2 stops21h 21m

Boise Air Term. Gowen Fld

Mon 30/6

18:10-17:20

2 stops16h 10m

£872

LondonSpokane

LCY - GEG

LCYGEG

London City

Mon 2/6

08:10-21:56

3 stops21h 46m

Spokane

Mon 9/6

07:25-12:30

2 stops21h 05m

£890

LondonBoise

LCY - BOI

LCYBOI

London City

Tue 12/8

08:45-22:46

2 stops21h 01m

Boise Air Term. Gowen Fld

Tue 19/8

13:29-16:25

2 stops19h 56m

£920

LondonBoise

LCY - BOI

LCYBOI

London City

Sun 1/6

18:05-21:26

2 stops34h 21m

Boise Air Term. Gowen Fld

Sun 8/6

14:35-08:50

2 stops35h 15m

£1,044

LondonSpokane

LCY - GEG

LCYGEG

London City

Tue 24/6

08:45-23:14

2 stops22h 29m

Spokane

Thu 3/7

07:25-16:25

2 stops25h 00m

£1,453

LondonJackson

LCY - JAC

LCYJAC

London City

Sun 1/6

20:45-18:10

2 stops28h 25m

Jackson Hole

Sun 8/6

18:53-16:40

2 stops14h 47m

£1,644

LondonBoise

LCY - BOI

LCYBOI

London City

Thu 10/7

19:10-22:52

2 stops34h 42m

Boise Air Term. Gowen Fld

Thu 31/7

08:30-16:25

2 stops24h 55m

£14,980

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 18 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

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 5.0 - 41.0 inches per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Idaho when rainfall is around 5.0 mm.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated 18 April 2025.
To help decide which airline to fly from London to Idaho, see what other customers have to say about Delta, KLM and SWISS. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,581 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Lufthansa
6.7
Okay
7,012 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from London City Airport to Idaho one-way?

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as £661. However, be on the lookout for offers from Delta and KLM, as they are both options that can get you from London City Airport to Idaho for a low price.

  • 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.

  • What is the cheapest month to book a flight from London City Airport to Idaho?

    Currently, October is the cheapest month in which you can book a flight from London City Airport to Idaho (average of £754). Flying from London City Airport to Idaho in August is currently the most expensive (average of £1,152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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