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Cheap flights from England to Idaho from £417

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from England to Idaho

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 31/1217:20LHR - GEG
1 stop35h 26mAir France
Wed 7/112:55GEG - LHR
1 stop34h 55mAir France
Deal found 10/12£796
Sun 28/1212:05LHR - BOI
2 stops32h 31mUnited Airlines
Tue 13/110:48BOI - LHR
2 stops17h 02mUnited Airlines
Deal found 10/12£817
Sun 28/1217:20LHR - BOI
1 stop27h 07mDelta
Tue 13/111:20BOI - LHR
1 stop15h 40mDelta
Deal found 10/12£832
Wed 31/1206:35LHR - GEG
2 stops22h 23mLufthansa
Wed 7/113:48GEG - LHR
2 stops32h 07mLufthansa
Deal found 10/12£951
Thu 11/1211:55LGW - BOI
2 stops18h 55mMultiple Airlines
Fri 9/109:02BOI - LGW
2 stops18h 53mMultiple Airlines
Deal found 10/12£978
Wed 31/1208:40LHR - GEG
2 stops22h 36mDelta
Wed 7/109:55GEG - LHR
1 stop16h 05mDelta
Deal found 10/12£987
Mon 15/1211:05LHR - GEG
1 stop17h 05mVirgin Atlantic
Mon 22/1206:00GEG - LHR
1 stop17h 05mVirgin Atlantic
Deal found 11/12£1,022
Wed 31/1218:10LCY - GEG
2 stops34h 48mLufthansa
Wed 7/113:48GEG - LCY
2 stops43h 52mLufthansa
Deal found 10/12£1,037
Thu 11/1212:15LHR - BOI
2 stops18h 35mMultiple Airlines
Fri 9/109:02BOI - LHR
2 stops18h 48mMultiple Airlines
Deal found 10/12£1,037
Mon 15/1208:40LHR - GEG
2 stops19h 30mKLM
Mon 22/1206:00GEG - LHR
1 stop17h 05mKLM
Deal found 11/12£1,042
Fri 12/1220:15LHR - BOI
2 stops28h 52mLufthansa
Mon 15/1212:16BOI - LHR
1 stop15h 59mLufthansa
Deal found 12/12£1,058
Thu 11/1207:40LHR - BOI
2 stops17h 27mLufthansa
Fri 9/108:15BOI - LHR
1 stop16h 40mLufthansa
Deal found 10/12£1,078

Find flight deals from England to Idaho

Keep the following information in mind while searching for England to Idaho flight deals. Data was last updated 12 December 2025.

Round-trip from

£487

One-way from

£417

Popular in

December

Cheapest in

September

Average price

£1,112
23/1-30/1
  • 23/1-30/1
  • 4 total stops
  • 39h 28m total
  • England to Idaho
Search Deals
United Airlines
  • United Airlines
  • 25/1
  • 2 total stops
  • 52h 59m total
  • England to Idaho
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 12 December 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

Tue 10/3

06:35-21:18

2 stops21h 43m

Spokane

Tue 17/3

05:00-07:55

2 stops19h 55m

£555

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

06:55-09:54

2 stops33h 59m

Boise Air Term. Gowen Fld

Mon 27/4

06:15-11:35

2 stops22h 20m

£567

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 26/1

11:35-21:22

1 stop17h 47m

Spokane

Mon 2/2

06:53-07:25

1 stop16h 32m

£582

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

13:05-22:03

1 stop15h 58m

Boise Air Term. Gowen Fld

Mon 27/4

14:40-09:40

1 stop12h 00m

£583

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 27/2

11:10-23:48

2 stops19h 38m

Boise Air Term. Gowen Fld

Mon 9/3

06:15-09:40

1 stop21h 25m

£585

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 22/1

06:35-18:07

2 stops18h 32m

Boise Air Term. Gowen Fld

Mon 26/1

19:05-12:00

1 stop33h 55m

£585

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 15/1

11:10-10:44

2 stops31h 34m

Spokane

Mon 19/1

16:10-09:40

1 stop33h 30m

£586

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 20/2

06:30-20:55

2 stops21h 25m

Boise Air Term. Gowen Fld

Mon 2/3

17:10-07:30

2 stops31h 20m

£586

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 10/3

11:55-21:37

2 stops16h 42m

Spokane

Tue 17/3

12:00-10:55

2 stops15h 55m

£615

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 20/4

15:40-22:21

2 stops37h 41m

Boise Air Term. Gowen Fld

Mon 27/4

17:30-14:40

2 stops38h 10m

£632

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 44 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, March is the cheapest month in which you can book a flight from England to Idaho (average of £512). Flying from England to Idaho in July is currently the most expensive (average of £676). 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 12 December 2025.

It’s optimal to fly from England to Idaho in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

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 12 December 2025.
Read through reviews of airlines operating flights from England to Idaho, such as KLM, Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.3

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.3

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.3

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,095 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.3

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Icelandair
7.0
Good
589 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.3

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,626 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Food

7.2

Entertainment

7.1

Crew

8.3

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 58m. Airlines will cover a distance of 4829 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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, March is the cheapest month in which you can book a flight from England to Idaho (average of £512). Flying from England to Idaho in July is currently the most expensive (average of £676). 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.
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Top 9 airlines flying from England to Idaho

Discover the top 9 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£541Average£808FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£544Average£674FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£552Average£707FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£601Average£829FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£604Average£937FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£650Average£731FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£658Average£772FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£699Average£840FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£783Average£848FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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