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Cheap flights from Idaho to London City Airport from £265

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LCY
23 Jul — 30 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Idaho to London City

Enter your travel dates to find the best prices.

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 23 June 2026.

Tue 10/1114:39
BOI
-
LCY
2 stops20h 01m
Lufthansa
Tue 17/1109:50
LCY
-
BOI
2 stops18h 40m
Lufthansa
Deal found 22/6£685
Tue 29/914:44
BOI
-
LCY
2 stops20h 11m
Lufthansa
Wed 7/1009:15
LCY
-
BOI
2 stops19h 20m
Lufthansa
Deal found 20/6£719
Sun 20/906:45
GEG
-
LCY
2 stops18h 05m
Delta
Mon 28/910:00
LCY
-
GEG
2 stops20h 54m
Delta
Deal found 22/6£740
Wed 12/811:09
GEG
-
LCY
2 stops14h 21m
Delta
Tue 15/910:00
LCY
-
GEG
2 stops20h 56m
Delta
Deal found 22/6£751
Wed 21/1014:44
BOI
-
LCY
2 stops20h 11m
Lufthansa
Fri 6/1109:50
LCY
-
BOI
2 stops18h 40m
Lufthansa
Deal found 19/6£754
Sat 3/1013:40
GEG
-
LCY
2 stops20h 15m
Lufthansa
Tue 27/1009:50
LCY
-
GEG
2 stops18h 15m
Lufthansa
Deal found 21/6£755
Tue 15/913:37
GEG
-
LCY
2 stops20h 18m
Lufthansa
Tue 22/909:15
LCY
-
GEG
2 stops19h 59m
Lufthansa
Deal found 22/6£759
Tue 15/913:37
GEG
-
LCY
2 stops20h 18m
Lufthansa
Wed 23/909:15
LCY
-
GEG
2 stops19h 59m
Lufthansa
Deal found 22/6£771
Tue 15/913:37
GEG
-
LCY
2 stops20h 18m
Lufthansa
Mon 21/918:30
LCY
-
GEG
2 stops32h 21m
Lufthansa
Deal found 22/6£774
Thu 10/913:37
GEG
-
LCY
2 stops20h 18m
Lufthansa
Thu 17/909:15
LCY
-
GEG
2 stops19h 59m
Lufthansa
Deal found 21/6£777
Thu 17/913:37
GEG
-
LCY
2 stops20h 18m
Lufthansa
Tue 22/909:15
LCY
-
GEG
2 stops19h 59m
Lufthansa
Deal found 22/6£785
Fri 7/806:45
GEG
-
LCY
2 stops16h 30m
Delta
Thu 20/810:00
LCY
-
GEG
2 stops19h 16m
Delta
Deal found 20/6£791

Find 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 23 June 2026.

Round-trip from

£685

One-way from

£265

Popular in

January

Cheapest in

October

Average price

£969
Lufthansa
  • Lufthansa
  • 10/11-17/11
  • 4 total stops
  • 38h 41m total
  • Idaho to London
Search Deals
Iberia
  • Iberia
  • 30/9
  • 2 total stops
  • 25h 15m total
  • Idaho to London
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£314 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 19% potential price decrease (£103 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 23 June 2026.
Use the filters below to find and compare flights from Idaho to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 29/9

14:44-17:55

2 stops20h 11m

London City

Wed 7/10

09:15-21:35

2 stops19h 20m

£721

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 4/10

06:45-08:50

2 stops18h 05m

London City

Sun 25/10

20:05-19:27

2 stops30h 22m

£740

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 20/9

06:45-08:50

2 stops18h 05m

London City

Mon 28/9

10:00-22:54

2 stops20h 54m

£740

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 12/8

11:09-09:30

2 stops14h 21m

London City

Tue 15/9

10:00-22:56

2 stops20h 56m

£751

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sat 3/10

13:40-17:55

2 stops20h 15m

London City

Tue 27/10

09:50-21:05

2 stops18h 15m

£756

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Fri 7/8

06:45-07:15

2 stops16h 30m

London City

Thu 20/8

10:00-21:16

2 stops19h 16m

£791

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Thu 17/9

13:37-17:55

2 stops20h 18m

London City

Mon 21/9

18:30-18:51

2 stops32h 21m

£800

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 26/8

13:37-17:55

2 stops20h 18m

London City

Tue 1/9

09:15-20:46

2 stops19h 31m

£802

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 26/8

13:37-17:55

2 stops20h 18m

London City

Mon 31/8

18:30-18:51

2 stops32h 21m

£807

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Thu 13/8

06:45-08:50

2 stops18h 05m

London City

Sat 22/8

07:45-19:24

2 stops19h 39m

£827

Flights are sorted by cheapest return flights first.

Deals found on 21/6

Showing 1-10 of 35 resultsSorted by cheapest first
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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
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 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.

  • How long is the flight from Idaho to London City Airport?

    Departing from Idaho to London City Airport will take you 18h 05m. The distance from Idaho to London City Airport is about 4655 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

See more FAQs

Travelling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Southall
Romford
Ipswich
Borehamwood
Folkestone
Southend-on-Sea

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

When you search for this flight from Idaho to London City, 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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Users can book flights with no change fees policies with our dedicated filters. Book flights from Idaho to London City flexibly with Cheapflights today.

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

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