Cheap flights from Idaho to England from £241

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 7 November 2025.

Wed 12/1113:15GEG - LHR
1 stop12h 45mDelta
Wed 3/1206:20LHR - GEG
2 stops20h 36mDelta
Deal found 6/11£449
Wed 5/1114:38GEG - LHR
1 stop18h 12mDelta
Wed 19/1106:20LHR - GEG
2 stops20h 38mDelta
Deal found 5/11£450
Wed 12/1106:00GEG - LHR
1 stop20h 00mKLM
Wed 3/1206:30LHR - GEG
2 stops16h 25mKLM
Deal found 6/11£451
Fri 5/1209:00BOI - LHR
1 stop18h 30mDelta
Wed 24/1206:20LHR - BOI
2 stops19h 47mDelta
Deal found 5/11£469
Wed 12/1106:00GEG - LHR
1 stop17h 25mUnited Airlines
Wed 3/1206:35LHR - GEG
2 stops22h 24mUnited Airlines
Deal found 7/11£470
Wed 3/1211:19GEG - MAN
2 stops23h 21mDelta
Wed 10/1213:30MAN - GEG
2 stops27h 03mDelta
Deal found 6/11£474
Fri 5/1214:04BOI - LHR
1 stop14h 36mAir France
Wed 24/1211:20LHR - BOI
1 stop17h 05mAir France
Deal found 5/11£474
Sat 6/1208:15BOI - LHR
1 stop14h 40mMultiple Airlines
Sat 13/1213:25LHR - BOI
2 stops40h 20mMultiple Airlines
Deal found 6/11£476
Thu 27/1113:10GEG - LHR
1 stop15h 40mDelta
Thu 4/1206:20LHR - GEG
2 stops21h 50mDelta
Deal found 6/11£487
Thu 27/1106:05GEG - LHR
1 stop17h 00mMultiple Airlines
Thu 4/1206:20LHR - GEG
2 stops16h 35mMultiple Airlines
Deal found 5/11£488
Fri 7/1123:39BOI - LHR
1 stop23h 46mDelta
Wed 26/1106:30LHR - BOI
2 stops20h 54mDelta
Deal found 5/11£489
Fri 7/1116:50GEG - LHR
2 stops18h 50mDelta
Fri 14/1106:20LHR - GEG
2 stops17h 28mDelta
Deal found 7/11£490

Cheap flight deals from Idaho to England

Keep the following information in mind while searching for Idaho to England flight deals. Data was last updated 7 November 2025.

Round-trip from

£431

One-way from

£241

Popular in

June

Cheapest in

October

Average price

£725
Virgin Atlantic
  • Virgin Atlantic
  • 17/2-26/2
  • 2 total stops
  • 32h 13m total
  • Idaho to England
6/12
  • 6/12
  • 2 total stops
  • 26h 34m total
  • Idaho to England
Highest demand for flights based on searches. 23% potential increase in price (£162 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Average for round-trip flights in November 2025

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 7 November 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

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Tue 24/2

06:29-10:55

1 stop20h 26m

London Heathrow

Tue 10/3

06:20-18:20

2 stops19h 00m

£455

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

10:36-10:30

1 stop16h 54m

London Heathrow

Tue 24/2

09:00-22:49

2 stops20h 49m

£456

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

11:19-10:00

1 stop15h 41m

London Heathrow

Fri 27/2

06:20-23:59

2 stops24h 39m

£456

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Tue 17/2

07:10-10:30

1 stop19h 20m

London Heathrow

Wed 4/3

09:00-21:20

2 stops20h 20m

£456

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Tue 3/2

06:29-10:55

1 stop20h 26m

London Heathrow

Mon 9/2

06:30-21:20

2 stops22h 50m

£458

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 4/2

06:30-07:05

1 stop16h 35m

London Heathrow

Mon 9/2

06:30-21:20

2 stops22h 50m

£460

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Sat 7/2

14:00-07:05

1 stop33h 05m

London Heathrow

Mon 23/2

11:45-19:59

2 stops40h 14m

£461

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

13:41-11:40

1 stop14h 59m

London Heathrow

Tue 24/2

11:05-20:57

1 stop16h 52m

£461

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Tue 24/2

12:47-11:40

1 stop14h 53m

London Heathrow

Tue 10/3

12:10-22:02

1 stop16h 52m

£461

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Mon 12/1

07:20-15:15

2 stops24h 55m

Edinburgh Turnhouse

Mon 19/1

18:35-19:25

2 stops31h 50m

£463

Flights are sorted by cheapest return flights first.

Deals found on 5/11

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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 £467). Flying from Idaho to England in June is currently the most expensive (average of £829). 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 7 November 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?

    Delta, Virgin Atlantic, and KLM can get you from Idaho to England in just under 14h 59m. Your travel time can differ by up to 5h 27m. The distance from Idaho to England is about 4829 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapet airlines for a one-way flight from Idaho to England are United Airlines (£305), Lufthansa (£344), and Air Canada (£357).

  • 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 £467). Flying from Idaho to England in June is currently the most expensive (average of £829). 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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Alternative routes for Idaho to England

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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.

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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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