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Cheap flights from England to Idaho from £281

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 3 November 2025.

Mon 8/1207:40LHR - BOI
2 stops33h 19mUnited Airlines
Mon 15/1209:40BOI - LHR
2 stops18h 35mUnited Airlines
Deal found 1/11£551
Tue 9/1206:35LHR - BOI
2 stops18h 32mUnited Airlines
Sun 14/1212:16BOI - LHR
1 stop34h 39mUnited Airlines
Deal found 1/11£560
Tue 9/1207:40LHR - BOI
2 stops17h 27mLufthansa
Sun 14/1214:49BOI - LHR
2 stops37h 01mLufthansa
Deal found 1/11£568
Wed 17/1207:40LHR - GEG
2 stops19h 04mUnited Airlines
Wed 24/1213:47GEG - LHR
2 stops33h 23mUnited Airlines
Deal found 2/11£637
Mon 8/1207:40LHR - BOI
2 stops33h 19mUnited Airlines
Tue 16/1209:40BOI - LHR
2 stops15h 50mUnited Airlines
Deal found 3/11£641
Mon 8/1211:55LGW - BOI
2 stops18h 01mMultiple Airlines
Tue 16/1211:45BOI - LGW
2 stops16h 10mMultiple Airlines
Deal found 3/11£672
Mon 10/1111:55LGW - GEG
2 stops16h 06mMultiple Airlines
Mon 24/1121:09GEG - LGW
2 stops29h 46mMultiple Airlines
Deal found 2/11£681
Wed 12/1111:55LGW - BOI
2 stops17h 25mMultiple Airlines
Thu 20/1110:04BOI - LGW
2 stops17h 51mMultiple Airlines
Deal found 3/11£688
Mon 8/1211:55LGW - BOI
2 stops18h 01mMultiple Airlines
Mon 15/1211:45BOI - LGW
2 stops16h 10mMultiple Airlines
Deal found 3/11£709
Thu 11/1211:55LGW - BOI
2 stops18h 15mMultiple Airlines
Fri 9/109:02BOI - LGW
2 stops18h 53mMultiple Airlines
Deal found 3/11£717
Mon 8/1207:45LCY - BOI
2 stops23h 24mVirgin Atlantic
Mon 15/1205:35BOI - LCY
2 stops28h 45mVirgin Atlantic
Deal found 3/11£731
Mon 8/1209:50LCY - BOI
2 stops39h 17mLufthansa
Tue 16/1212:16BOI - LCY
2 stops22h 19mLufthansa
Deal found 1/11£734

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 3 November 2025.

Round-trip from

£518

One-way from

£281

Popular in

July

Cheapest in

September

Average price

£654
9/2-16/2
  • 9/2-16/2
  • 4 total stops
  • 36h 11m total
  • England to Idaho
Search Deals
24/1
  • 24/1
  • 3 total stops
  • 38h 08m total
  • England to Idaho
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£92 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 3 November 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

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 9/2

11:55-23:01

2 stops18h 06m

Boise Air Term. Gowen Fld

Mon 16/2

09:50-10:55

2 stops18h 05m

£518

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/12

06:35-18:07

2 stops18h 32m

Boise Air Term. Gowen Fld

Mon 15/12

13:50-13:30

1 stop16h 40m

£551

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/12

07:40-09:59

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 15/12

13:50-13:30

1 stop16h 40m

£551

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 10/3

06:35-21:20

2 stops21h 45m

Spokane

Tue 17/3

05:00-05:55

2 stops17h 55m

£557

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/12

06:35-18:07

2 stops18h 32m

Boise Air Term. Gowen Fld

Sun 14/12

12:16-05:55

1 stop34h 39m

£560

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 21/4

10:50-23:05

2 stops19h 15m

Boise Air Term. Gowen Fld

Tue 28/4

07:00-12:20

1 stop22h 20m

£570

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

07:25-21:16

2 stops20h 51m

Boise Air Term. Gowen Fld

Mon 27/4

07:00-07:15

2 stops17h 15m

£571

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 10/3

11:55-20:59

2 stops16h 04m

Spokane

Tue 17/3

12:00-10:55

2 stops15h 55m

£585

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

£623

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 9/2

06:20-18:47

2 stops20h 27m

Spokane

Thu 12/2

06:30-07:05

1 stop16h 35m

£632

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 60 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, May is the cheapest month in which you can book a flight from England to Idaho (average of £550). Flying from England to Idaho in July is currently the most expensive (average of £688). 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 3 November 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.

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 3 November 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
1,404 reviews
Check prices

Boarding

7.8

Comfort

7.7

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Boarding

7.8

Comfort

7.7

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
671 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Boarding

7.8

Comfort

7.7

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,997 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Boarding

7.8

Comfort

7.7

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.1
Good
568 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Boarding

7.8

Comfort

7.7

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,544 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Boarding

7.8

Comfort

7.7

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 16h 04m. Airlines will cover a distance of 4667 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 (£471), Finnair (£480), and Delta (£483).

  • 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, May is the cheapest month in which you can book a flight from England to Idaho (average of £550). Flying from England to Idaho in July is currently the most expensive (average of £688). 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 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£528Average£682FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£551Average£819FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£554Average£712FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£612Average£850FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£615Average£954FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£639Average£847FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£662Average£745FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£670Average£794FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£712Average£856FlexibilityNo cancel feeOn-time75%
Search KLM 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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