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Cheap flights from Idaho to London City Airport from £457

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LCY
27 Apr — 4 May1
1 adult

Cheap 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 22 April 2025.

Round-trip from

£621

One-way from

£457

Popular in

June

Cheapest in

November

Average price

£601
Lufthansa
  • Lufthansa
  • 3/9-16/9
  • 4 total stops
  • 38h 14m total
  • Idaho to London
Search Deals
United Airlines
  • United Airlines
  • 4/5
  • 2 total stops
  • 22h 30m total
  • Idaho to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£181 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Idaho to London City

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 22 April 2025.

Wed 3/914:42BOI - LCY
2 stops18h 43mLufthansa
Tue 16/908:45LCY - BOI
2 stops19h 31mLufthansa
Deal found 20/4£621
Wed 1/1013:38GEG - LCY
2 stops18h 47mLufthansa
Tue 7/1008:45LCY - GEG
2 stops19h 47mLufthansa
Deal found 21/4£626
Wed 30/707:25GEG - LCY
2 stops25h 00mMultiple Airlines
Wed 13/808:45LCY - GEG
3 stops21h 14mMultiple Airlines
Deal found 21/4£674
Wed 21/516:59BOI - LCY
2 stops16h 41mDelta
Fri 30/510:00LCY - BOI
2 stops19h 29mDelta
Deal found 20/4£769
Sun 18/514:43BOI - LCY
2 stops35h 07mSWISS
Sun 25/519:20LCY - BOI
2 stops33h 06mSWISS
Deal found 20/4£808
Sun 27/715:05GEG - LCY
2 stops18h 15mKLM
Tue 5/810:00LCY - GEG
2 stops19h 56mKLM
Deal found 20/4£815
Wed 4/607:50JAC - LCY
2 stops21h 40mMultiple Airlines
Wed 11/608:45LCY - JAC
2 stops17h 17mMultiple Airlines
Deal found 20/4£856
Wed 4/607:50BOI - LCY
2 stops21h 40mMultiple Airlines
Wed 11/609:25LCY - BOI
2 stops19h 19mMultiple Airlines
Deal found 20/4£870
Wed 2/714:45JAC - LCY
2 stops20h 50mLufthansa
Mon 7/719:10LCY - JAC
2 stops30h 55mLufthansa
Deal found 20/4£996
Sat 20/1213:15BOI - LCY
2 stops22h 10mKLM
Sun 28/1218:55LCY - BOI
2 stops30h 58mKLM
Deal found 20/4£1,204
Fri 4/706:50GEG - LCY
2 stops16h 25mDelta
Sat 19/709:20LCY - GEG
2 stops20h 01mDelta
Deal found 20/4£2,484

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 22 April 2025.
Use the filters below to find and compare flights from Idaho to London City Airport that are best for you.

Fly from

Idaho

Fly to

London City

Route

Depart

Return

Price

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 3/9

14:42-16:25

2 stops18h 43m

London City

Tue 16/9

08:45-21:16

2 stops19h 31m

£621

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 1/10

13:38-16:25

2 stops18h 47m

London City

Tue 7/10

08:45-20:32

2 stops19h 47m

£626

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 30/7

07:25-16:25

2 stops25h 00m

London City

Wed 13/8

08:45-21:59

3 stops21h 14m

£674

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 21/5

16:59-16:40

2 stops16h 41m

London City

Fri 30/5

10:00-22:29

2 stops19h 29m

£769

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sun 18/5

14:43-08:50

2 stops35h 07m

London City

Sun 25/5

19:20-21:26

2 stops33h 06m

£808

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 27/7

15:05-17:20

2 stops18h 15m

London City

Tue 5/8

10:00-21:56

2 stops19h 56m

£815

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Wed 4/6

07:50-12:30

2 stops21h 40m

London City

Wed 11/6

08:45-19:02

2 stops17h 17m

£856

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 4/6

07:50-12:30

2 stops21h 40m

London City

Wed 11/6

09:25-21:44

2 stops19h 19m

£870

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Wed 2/7

14:45-18:35

2 stops20h 50m

London City

Mon 7/7

19:10-19:05

2 stops30h 55m

£996

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Fri 4/7

06:50-07:15

2 stops16h 25m

London City

Sat 19/7

09:20-21:21

2 stops20h 01m

£2,484

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 14 results
1
2

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

Rainfall in London City by month

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

In terms of precipitation, rainfall in London City Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London City Airport when rainfall is around 40.0 mm.

Temperature in London City by month

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

If weather is an important factor for your trip to London City Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London City

Get insights into the airlines that provide service to London City. 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 London City. Reviews last updated 22 April 2025.
See what other customers who have flown with Delta, KLM and SWISS from Idaho to London have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,331 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,684 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.7
Okay
7,018 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Idaho to London City Airport (average of £161). Flying from Idaho to London City Airport in August is currently the most expensive (average of £214). 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

Travelling to a place near Idaho?

Book flights to Idaho if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Folkestone
Dartford
Watford
Chichester

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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