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Cheap flights from Idaho to England from £246

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
4 Sep — 11 Sep1
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 5 August 2026.

Mon 2/1106:30 -
2 stops21h 20m
Wed 4/1106:35 -
2 stops21h 40m
Deal found 31/7£560
Tue 3/1117:44 -
1 stop32h 56m
Fri 6/1106:35 -
2 stops23h 24m
Deal found 2/8£612
Sun 1/1113:27 -
2 stops17h 58m
Wed 11/1111:05 -
2 stops18h 37m
Deal found 31/7£642
Wed 18/1106:02 -
1 stop22h 18m
Wed 25/1114:45 -
1 stop25h 21m
Deal found 2/8£644
Tue 3/1106:00 -
1 stop20h 00m
Tue 24/1106:05 -
2 stops22h 40m
Deal found 4/8£650
Mon 9/1113:11 -
1 stop13h 49m
Wed 18/1120:25 -
2 stops28h 51m
Deal found 31/7£651
Wed 18/1116:32 -
1 stop15h 58m
Wed 25/1108:40 -
2 stops19h 15m
Deal found 1/8£651
Sun 1/1105:30 -
1 stop18h 35m
Thu 12/1106:30 -
2 stops16h 03m
Deal found 2/8£652
Wed 18/1107:00 -
2 stops21h 50m
Wed 25/1108:30 -
2 stops20h 41m
Deal found 2/8£653
Mon 9/1113:11 -
2 stops15h 29m
Wed 18/1117:05 -
2 stops32h 11m
Deal found 31/7£654
Tue 3/1116:37 -
1 stop11h 43m
Tue 24/1114:45 -
1 stop28h 47m
Deal found 4/8£654
Mon 7/1214:35 -
1 stop12h 05m
Fri 11/1206:35 -
2 stops33h 53m
Deal found 31/7£655

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 5 August 2026.

Round-trip from

£560

One-way from

£246

Popular in

January

Cheapest in

April

Average price

£692
United Airlines
  • United Airlines
  • 2/11-4/11
  • 4 total stops
  • 43h 00m total
  • Idaho to England
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 10/1
  • 1 total stop
  • 19h 06m total
  • Idaho to England
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£305 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease (£99 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 5 August 2026.
Use the filters below to find and compare flights from Idaho to England that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Mon 2/11

06:30-10:50

2 stops21h 20m

London Heathrow

Wed 4/11

06:35-21:15

2 stops21h 40m

£561

SpokaneManchester

GEG Spokane - MAN Manchester

GEGMAN

Spokane

Tue 12/1

11:30-16:15

2 stops20h 45m

Manchester

Thu 14/1

11:30-23:38

2 stops44h 08m

£591

BoiseEdinburgh

BOI Boise Air Term. Gowen Fld - EDI Edinburgh Turnhouse

BOIEDI

Boise Air Term. Gowen Fld

Sun 1/11

13:27-14:25

2 stops17h 58m

Edinburgh Turnhouse

Wed 11/11

11:05-22:42

2 stops18h 37m

£642

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Wed 18/11

07:00-08:35

2 stops17h 35m

London Heathrow

Wed 25/11

08:40-19:55

2 stops19h 15m

£655

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 7/12

14:35-09:40

1 stop12h 05m

London Heathrow

Fri 11/12

06:35-09:28

2 stops33h 53m

£655
Fastest return journey

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Mon 4/1

13:30-10:00

1 stop12h 30m

London Heathrow

Wed 13/1

06:30-14:45

2 stops16h 15m

£658

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Tue 5/1

13:30-10:00

1 stop12h 30m

London Heathrow

Wed 13/1

06:30-14:45

2 stops16h 15m

£658

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Mon 4/1

13:30-10:00

1 stop12h 30m

London Heathrow

Tue 12/1

06:30-14:45

2 stops16h 15m

£658

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Sun 3/1

09:10-10:40

1 stop17h 30m

London Heathrow

Tue 12/1

06:30-14:45

2 stops16h 15m

£658

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 7/12

06:15-12:20

1 stop23h 05m

London Heathrow

Fri 11/12

14:45-22:39

1 stop14h 54m

£659

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Idaho to England (average of £603). Flying from Idaho to England in January is currently the most expensive (average of £1,504). 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.

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

Airfare is typical for this route at the moment.
Idaho to England flights typically cost between £541 and £764 in November.
The cheapest return price found within the last 5 days was £560 on United Airlines (2 Nov–4 Nov).

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, American Airlines, and Delta can get you from Idaho to England in just under 17h 35m. Your travel time can differ by up to 3h 45m. The distance from Idaho to England is about 4643 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, October is the cheapest month in which you can book a flight from Idaho to England (average of £603). Flying from Idaho to England in January is currently the most expensive (average of £1,504). 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

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