Cheap flights from England to Idaho from £385

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from England to Idaho

Keep the following information in mind while searching for England to Idaho flight deals. Data was last updated 18 September 2025.

Round-trip from

£464

One-way from

£385

Popular in

July

Cheapest in

February

Average price

£599
United Airlines
  • United Airlines
  • 10/3-17/3
  • 3 total stops
  • 52h 29m total
  • England to Idaho
17/10
  • 17/10
  • 1 total stop
  • 19h 41m total
  • England to Idaho
Highest demand for flights based on searches. 13% potential increase in price (£81 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from England to Idaho

Cheapest flights from England to Idaho
Explore the most affordable flight options available from England to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Thu 30/1006:35LHR - GEG
2 stops37h 10mUnited Airlines
Thu 6/1105:10GEG - LHR
1 stop20h 30mUnited Airlines
Deal found 15/9£463
Thu 30/1011:35LHR - GEG
1 stop16h 10mMultiple Airlines
Thu 6/1112:45GEG - LHR
1 stop34h 40mMultiple Airlines
Deal found 15/9£480
Sun 5/1010:35LHR - GEG
1 stop20h 40mMultiple Airlines
Fri 17/1007:15GEG - LHR
1 stop16h 10mMultiple Airlines
Deal found 16/9£481
Sat 1/1111:35LHR - GEG
1 stop16h 10mLufthansa
Sat 8/1106:00GEG - LHR
1 stop17h 25mLufthansa
Deal found 17/9£483
Fri 31/1011:40LHR - BOI
1 stop16h 28mMultiple Airlines
Mon 10/1108:41BOI - LHR
1 stop18h 59mMultiple Airlines
Deal found 15/9£487
Sun 5/1012:20LHR - GEG
1 stop18h 55mUnited Airlines
Fri 17/1005:05GEG - LHR
2 stops20h 15mUnited Airlines
Deal found 16/9£487
Sat 1/1111:35LHR - GEG
1 stop16h 10mUnited Airlines
Sat 8/1112:45GEG - LHR
1 stop15h 15mUnited Airlines
Deal found 17/9£489
Tue 7/1011:15LHR - BOI
2 stops18h 50mMultiple Airlines
Tue 14/1015:37BOI - LHR
1 stop17h 03mMultiple Airlines
Deal found 15/9£493
Fri 31/1006:35LHR - BOI
2 stops45h 01mLufthansa
Fri 7/1114:31BOI - LHR
1 stop12h 09mLufthansa
Deal found 16/9£531
Wed 8/1008:25LHR - BOI
2 stops20h 57mAmerican Airlines
Tue 14/1007:00BOI - LHR
1 stop22h 45mAmerican Airlines
Deal found 15/9£533
Wed 24/915:05LGW - BOI
2 stops53h 12mAmerican Airlines
Sat 4/1013:38BOI - LGW
2 stops59h 32mAmerican Airlines
Deal found 15/9£533
Sun 5/1014:30LHR - GEG
2 stops17h 33mVirgin Atlantic
Fri 17/1014:17GEG - LHR
2 stops21h 43mVirgin Atlantic
Deal found 16/9£536

Cheapflights Fare Finder

 
Customise your flight search to find flights from England 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 September 2025.
Use the filters below to find and compare flights from England to Idaho that are best for you.

Fly from

England

Fly to

Idaho

Route

Depart

Return

Price

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 30/10

06:35-12:45

2 stops37h 10m

Spokane

Thu 6/11

05:10-09:40

1 stop20h 30m

£463

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 10/3

06:35-13:09

2 stops37h 34m

Spokane

Tue 17/3

05:00-09:40

1 stop21h 40m

£463

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 23/2

07:30-21:09

2 stops21h 39m

Spokane

Fri 27/2

05:00-09:10

2 stops20h 10m

£465

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 30/10

11:35-20:45

1 stop16h 10m

Spokane

Thu 6/11

12:45-07:25

1 stop34h 40m

£480

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Sun 5/10

10:35-23:15

1 stop20h 40m

Spokane

Fri 17/10

07:15-07:25

1 stop16h 10m

£481

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Sat 1/11

11:35-20:45

1 stop16h 10m

Spokane

Sat 8/11

06:00-07:25

1 stop17h 25m

£483

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 10/3

07:40-21:09

2 stops20h 29m

Spokane

Tue 17/3

13:45-10:50

2 stops38h 05m

£484

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 21/11

06:35-09:58

2 stops34h 23m

Boise Air Term. Gowen Fld

Sun 30/11

06:20-07:25

1 stop18h 05m

£540

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/12

07:40-09:59

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 15/12

06:20-08:25

2 stops19h 05m

£540

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Fri 17/10

10:55-23:08

2 stops20h 13m

Spokane

Tue 21/10

13:52-10:55

1 stop37h 03m

£544

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 54 results
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Best time to book a flight from England to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from England 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 England to Idaho

What is the cheapest month to book a flight from England to Idaho?

Currently, October is the cheapest month in which you can book a flight from England to Idaho (average of £754). Flying from England 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.

What is the cheapest time of day to fly from ENG to ID?

Find hourly flight availability from England to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

When flying from England to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from England to Idaho?

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 September 2025.
Read through reviews of airlines operating flights from England to Idaho, such as KLM, United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from England 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 England to Idaho?

    Departing from England to Idaho will take you 15h 09m. Airlines will cover a distance of 4705 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from England to Idaho one-way?

    The cheapet airlines for a one-way flight from England to Idaho are Lufthansa (£457), Delta (£491), and Finnair (£553).

  • Can I find deals for flights from England to Idaho that include hotel bookings?

    Yes. In addition to deals on England to Idaho flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from England to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from England to Idaho.

  • Can I find deals for business class flights from England to Idaho?

    Yes. Cheapflights offers flight deals from England 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 England to Idaho?

    Currently, October is the cheapest month in which you can book a flight from England to Idaho (average of £754). Flying from England 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for England to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from England to Idaho

Discover the top 10 airlines that operate flights from England to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£509Average£670FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£522Average£756FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£531Average£792FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£533Average£670FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£584Average£692FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£590Average£798FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£592Average£919FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£616Average£869FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£625Average£769FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£645Average£753FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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How does Cheapflights help users find flights from England to Idaho?

Deals for England to Idaho flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from England to Idaho?

Millions of users choose and trust Cheapflights to book the best flight deals from England to Idaho for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from England to Idaho with no change fees?

Yes! Cheapflights helps users easily find flights from England to Idaho with no change fees.

Can Cheapflights notify me if prices for flights from England to Idaho become cheaper?

Yes, Cheapflights offers price alerts on England to Idaho flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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