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Cheap flights from Idaho to England from £253

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
7 Jan — 14 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Idaho to England

Enter your travel dates to find the best prices.

Cheapest flights from Idaho to England
Explore the most affordable flight options available from Idaho to England. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 December 2025.

Wed 31/1206:00GEG - LHR
1 stop17h 25mLufthansa
Wed 14/106:30LHR - GEG
2 stops20h 46mLufthansa
Deal found 6/12£586
Tue 23/1217:12BOI - LHR
2 stops30h 58mUnited Airlines
Wed 7/118:00LHR - BOI
2 stops35h 57mUnited Airlines
Deal found 4/12£616
Wed 31/1205:00GEG - LHR
2 stops18h 05mDelta
Wed 14/108:40LHR - GEG
2 stops19h 14mDelta
Deal found 6/12£619
Tue 23/1214:40BOI - LHR
2 stops33h 30mAir Canada
Wed 7/113:25LHR - BOI
2 stops31h 10mAir Canada
Deal found 4/12£636
Wed 31/1206:00GEG - LCY
2 stops19h 10mDelta
Wed 14/108:40LCY - GEG
2 stops19h 14mDelta
Deal found 6/12£641
Thu 11/1208:23GEG - LHR
2 stops27h 07mIcelandair
Sun 18/112:15LHR - GEG
2 stops17h 10mIcelandair
Deal found 4/12£786
Tue 16/1211:45BOI - LHR
2 stops16h 05mMultiple Airlines
Wed 14/112:15LHR - BOI
2 stops17h 46mMultiple Airlines
Deal found 4/12£820
Sun 21/1205:05GEG - LHR
2 stops18h 05mUnited Airlines
Fri 2/106:35LHR - GEG
2 stops22h 56mUnited Airlines
Deal found 7/12£829
Fri 26/1206:00GEG - LHR
1 stop22h 00mUnited Airlines
Tue 6/111:10LHR - GEG
2 stops32h 29mUnited Airlines
Deal found 5/12£868
Mon 29/1223:59GEG - MAN
2 stops26h 21mUnited Airlines
Tue 6/113:00MAN - GEG
2 stops54h 39mUnited Airlines
Deal found 6/12£872
Wed 31/1206:00GEG - LHR
3 stops21h 20mMultiple Airlines
Wed 14/114:30LHR - GEG
2 stops28h 14mMultiple Airlines
Deal found 6/12£888
Tue 23/1223:47BOI - LHR
1 stop23h 38mDelta
Wed 7/120:00LHR - BOI
2 stops25h 02mDelta
Deal found 4/12£920

Find flight deals from Idaho to England

Keep the following information in mind while searching for Idaho to England flight deals. Data was last updated 8 December 2025.

Round-trip from

£447

One-way from

£253

Popular in

June

Cheapest in

October

Average price

£712
Lufthansa
  • Lufthansa
  • 17/2-25/2
  • 3 total stops
  • 43h 32m total
  • Idaho to England
Search Deals
12/1
  • 12/1
  • 3 total stops
  • 45h 20m total
  • Idaho to England
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£152 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 Idaho to England 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 8 December 2025.
Use the filters below to find and compare flights from Idaho to England that are best for you.

Fly from

Idaho

Fly to

England

Route

Depart

Return

Price

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

14:40-05:55

2 stops32h 15m

London Heathrow

Thu 26/2

11:10-23:48

2 stops19h 38m

£464

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Fri 30/1

06:10-07:55

2 stops18h 45m

Edinburgh Turnhouse

Tue 3/2

09:25-22:57

2 stops20h 32m

£464

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 19/1

13:40-10:30

1 stop13h 50m

London Heathrow

Mon 26/1

06:30-16:17

2 stops16h 47m

£466

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Wed 7/1

15:18-17:05

2 stops18h 47m

Edinburgh Turnhouse

Wed 14/1

06:25-19:25

2 stops20h 00m

£467

SpokaneManchester

GEG - MAN

GEGMAN

Spokane

Thu 5/2

12:55-10:30

1 stop13h 35m

Manchester

Tue 10/2

13:30-11:45

1 stop30h 15m

£469

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 13/1

10:15-13:30

1 stop20h 15m

London Heathrow

Tue 27/1

06:35-18:07

2 stops18h 32m

£470

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Fri 23/1

12:24-12:00

1 stop15h 36m

London Heathrow

Tue 27/1

06:35-21:22

2 stops22h 47m

£470

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 20/2

10:45-09:40

1 stop15h 55m

London Heathrow

Thu 26/2

11:10-09:48

2 stops29h 38m

£471

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Thu 22/1

10:39-10:40

2 stops17h 01m

Edinburgh Turnhouse

Thu 29/1

05:50-20:55

2 stops22h 05m

£472

SpokaneEdinburgh

GEG - EDI

GEGEDI

Spokane

Mon 19/1

06:30-10:40

2 stops20h 10m

Edinburgh Turnhouse

Mon 26/1

05:50-19:54

2 stops22h 04m

£472

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to England

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

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

Currently, July is the cheapest month in which you can book a flight from Idaho to England (average of £451). Flying from Idaho to England in June is currently the most expensive (average of £814). 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 ID to ENG?

Find hourly flight availability from Idaho to England. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 December 2025.

One of the essential ways to save on airfare from Idaho to England is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 58% on airfare.

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

Related info for your journey

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

    United Airlines, KLM, and American Airlines can get you from Idaho to England in just under 13h 50m. Your travel time can differ by up to 18h 25m. The distance from Idaho to England is about 4829 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Idaho to England (average of £451). Flying from Idaho to England in June is currently the most expensive (average of £814). 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

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Fly with Cheapflights

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

Cheapflights makes it easy to find Idaho to England flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to England from Idaho.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Idaho to England flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Idaho to England and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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