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Cheap flights from Idaho to London City Airport from £308

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LCY
4 Mar — 11 Mar1
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 2 February 2026.

Wed 4/313:44
GEG
-
LCY
2 stops19h 56m
Lufthansa
Wed 11/309:50
LCY
-
GEG
2 stops18h 13m
Lufthansa
Deal found 1/2£548
Tue 21/414:37
BOI
-
LCY
2 stops20h 18m
Lufthansa
Tue 28/409:15
LCY
-
BOI
2 stops20h 42m
Lufthansa
Deal found 2/2£559
Mon 2/314:40
JAC
-
LCY
2 stops20h 00m
Lufthansa
Mon 9/309:50
LCY
-
JAC
2 stops41h 04m
Lufthansa
Deal found 31/1£604
Mon 16/314:40
BOI
-
LCY
2 stops21h 00m
Lufthansa
Thu 2/409:15
LCY
-
BOI
2 stops19h 07m
Lufthansa
Deal found 2/2£619
Tue 6/1013:45
GEG
-
LCY
2 stops20h 10m
Lufthansa
Tue 13/1009:15
LCY
-
GEG
2 stops19h 54m
Lufthansa
Deal found 2/2£676
Tue 17/213:44
GEG
-
LCY
2 stops19h 51m
Lufthansa
Wed 4/309:50
LCY
-
GEG
2 stops19h 17m
Lufthansa
Deal found 2/2£681
Thu 26/214:40
BOI
-
LCY
2 stops20h 00m
Lufthansa
Tue 12/509:15
LCY
-
BOI
2 stops19h 02m
Lufthansa
Deal found 1/2£686
Wed 12/813:45
GEG
-
LCY
2 stops20h 10m
Lufthansa
Tue 15/909:15
LCY
-
GEG
2 stops22h 23m
Lufthansa
Deal found 2/2£739
Fri 3/409:40
GEG
-
LCY
2 stops15h 50m
Delta
Mon 13/409:20
LCY
-
GEG
2 stops19h 42m
Delta
Deal found 31/1£743
Mon 20/414:37
BOI
-
LCY
2 stops20h 18m
Lufthansa
Mon 27/409:15
LCY
-
BOI
2 stops19h 07m
Lufthansa
Deal found 2/2£753
Sat 18/413:53
BOI
-
LCY
2 stops59h 42m
Iberia
Mon 27/419:15
LCY
-
BOI
2 stops32h 52m
Iberia
Deal found 2/2£789
Wed 14/1007:24
BOI
-
LCY
2 stops42h 11m
Iberia
Wed 28/1019:15
LCY
-
BOI
2 stops23h 08m
Iberia
Deal found 1/2£804

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 2 February 2026.

Round-trip from

£548

One-way from

£308

Popular in

June

Cheapest in

October

Average price

£599
Lufthansa
  • Lufthansa
  • 4/3-11/3
  • 4 total stops
  • 38h 09m total
  • Idaho to London
Search Deals
United Airlines
  • United Airlines
  • 17/3
  • 2 total stops
  • 23h 55m total
  • Idaho to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£141 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 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 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 2 February 2026.
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

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 4/3

13:44-17:40

2 stops19h 56m

London City

Wed 11/3

09:50-21:03

2 stops18h 13m

£548

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Mon 2/3

14:40-17:40

2 stops20h 00m

London City

Mon 9/3

09:50-20:54

2 stops41h 04m

£604

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 16/3

14:40-17:40

2 stops21h 00m

London City

Thu 2/4

09:15-21:22

2 stops19h 07m

£619

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 17/2

13:44-17:35

2 stops19h 51m

London City

Wed 4/3

09:50-21:07

2 stops19h 17m

£681

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Thu 26/2

14:40-17:40

2 stops20h 00m

London City

Tue 12/5

09:15-21:17

2 stops19h 02m

£686

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Fri 3/4

09:40-09:30

2 stops15h 50m

London City

Mon 13/4

09:20-21:02

2 stops19h 42m

£743

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 4/5

06:44-08:35

2 stops42h 51m

London City

Mon 11/5

19:15-22:27

2 stops34h 12m

£753

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 20/4

14:37-17:55

2 stops20h 18m

London City

Mon 27/4

09:15-21:22

2 stops19h 07m

£753

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Thu 7/5

14:33-17:55

2 stops20h 22m

London City

Wed 3/6

09:15-21:34

2 stops19h 19m

£804

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 6/5

06:44-16:30

2 stops26h 46m

London City

Wed 13/5

11:00-21:07

2 stops41h 07m

£813

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 39 results
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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 19h 56m. 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 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.

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
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

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Alternative routes for Idaho to London City

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

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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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