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Cheap flights from Idaho to England from £238

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
4 Jun — 11 Jun1
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 May 2026.

Tue 18/819:01
BOI
-
EDI
2 stops29h 39m
Air Canada
Tue 1/909:15
EDI
-
BOI
2 stops43h 10m
Air Canada
Deal found 4/5£631
Tue 6/1012:50
GEG
-
EDI
2 stops35h 15m
United Airlines
Tue 13/1009:00
EDI
-
GEG
2 stops43h 53m
United Airlines
Deal found 2/5£636
Sun 1/1115:35
GEG
-
EDI
2 stops14h 50m
Multiple Airlines
Wed 11/1111:25
EDI
-
GEG
2 stops19h 44m
Multiple Airlines
Deal found 4/5£639
Wed 9/905:00
GEG
-
LHR
1 stop23h 35m
United Airlines
Wed 7/1007:25
LHR
-
GEG
2 stops22h 51m
United Airlines
Deal found 30/4£640
Mon 10/812:38
BOI
-
LHR
2 stops20h 02m
Lufthansa
Thu 20/806:55
LHR
-
BOI
2 stops17h 58m
Lufthansa
Deal found 1/5£643
Fri 21/817:44
BOI
-
EDI
2 stops54h 36m
United Airlines
Thu 27/809:00
EDI
-
BOI
2 stops43h 25m
United Airlines
Deal found 4/5£643
Tue 18/812:23
BOI
-
EDI
2 stops15h 12m
United Airlines
Tue 1/911:30
EDI
-
BOI
1 stop18h 16m
United Airlines
Deal found 4/5£644
Wed 23/912:45
GEG
-
LHR
1 stop17h 40m
Iberia
Wed 14/1006:15
LHR
-
GEG
2 stops22h 32m
Iberia
Deal found 4/5£645
Wed 9/905:00
GEG
-
EDI
2 stops21h 35m
United Airlines
Wed 23/909:40
EDI
-
GEG
2 stops33h 15m
United Airlines
Deal found 1/5£647
Sun 8/1113:29
BOI
-
EDI
2 stops18h 46m
American Airlines
Wed 18/1108:45
EDI
-
BOI
2 stops20h 18m
American Airlines
Deal found 4/5£647
Wed 9/905:45
GEG
-
EDI
2 stops17h 45m
Multiple Airlines
Wed 23/911:25
EDI
-
GEG
2 stops19h 37m
Multiple Airlines
Deal found 4/5£648
Tue 29/912:42
BOI
-
LHR
1 stop19h 53m
Delta
Wed 7/1011:45
LHR
-
BOI
2 stops19h 07m
Delta
Deal found 30/4£648

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 May 2026.

Round-trip from

£631

One-way from

£238

Popular in

January

Cheapest in

October

Average price

£640
Air Canada
  • Air Canada
  • 18/8-1/9
  • 4 total stops
  • 72h 49m total
  • Idaho to England
Search Deals
American Airlines
  • American Airlines
  • 22/9
  • 2 total stops
  • 18h 32m total
  • Idaho to England
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£159 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£47 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 May 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

SpokaneEdinburgh

GEG - EDI

GEGEDI

Spokane

Tue 6/10

12:50-08:05

2 stops35h 15m

Edinburgh Turnhouse

Tue 13/10

09:00-20:53

2 stops43h 53m

£636

SpokaneEdinburgh

GEG - EDI

GEGEDI

Spokane

Wed 9/9

05:00-10:35

2 stops21h 35m

Edinburgh Turnhouse

Wed 23/9

09:40-10:55

2 stops33h 15m

£647

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 15/9

16:50-15:00

1 stop15h 10m

London Heathrow

Wed 23/9

06:30-18:35

2 stops19h 05m

£648

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 12/8

13:00-12:10

1 stop15h 10m

London Heathrow

Tue 15/9

06:30-17:08

2 stops18h 38m

£648

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Tue 6/10

14:45-17:35

1 stop18h 50m

London Heathrow

Tue 20/10

06:30-17:09

2 stops18h 39m

£648

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Sat 3/10

11:30-21:20

2 stops25h 50m

London Heathrow

Tue 27/10

06:35-23:38

2 stops24h 03m

£651

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 15/9

12:42-16:00

2 stops20h 18m

London Heathrow

Mon 28/9

19:50-18:35

3 stops29h 45m

£653

SpokaneEdinburgh

GEG - EDI

GEGEDI

Spokane

Sun 1/11

16:00-10:30

2 stops58h 30m

Edinburgh Turnhouse

Wed 11/11

09:25-12:40

3 stops35h 15m

£655

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 29/9

16:05-16:00

2 stops16h 55m

London Gatwick

Wed 7/10

10:25-23:52

2 stops20h 27m

£656

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 10/8

15:25-16:00

2 stops17h 35m

London Gatwick

Thu 20/8

10:25-23:59

2 stops20h 34m

£656

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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 £294). Flying from Idaho to England in May is currently the most expensive (average of £507). 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?

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, Delta, and Scandinavian Airlines can get you from Idaho to England in just under 15h 10m. Your travel time can differ by up to 20h 05m. 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, October is the cheapest month in which you can book a flight from Idaho to England (average of £294). Flying from Idaho to England in May is currently the most expensive (average of £507). 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 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

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 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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