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Cheap flights from Idaho to England from £234

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
20 Jul — 27 Jul1
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 20 June 2026.

Mon 16/1105:00
GEG
-
MAN
2 stops19h 40m
United Airlines
Wed 18/1106:10
MAN
-
GEG
2 stops38h 08m
United Airlines
Deal found 19/6£614
Wed 30/905:00
GEG
-
EDI
2 stops19h 25m
United Airlines
Tue 6/1009:00
EDI
-
GEG
2 stops43h 49m
United Airlines
Deal found 16/6£651
Wed 16/905:00
BOI
-
EDI
2 stops20h 05m
United Airlines
Tue 22/909:00
EDI
-
BOI
2 stops43h 37m
United Airlines
Deal found 16/6£651
Sun 1/1116:21
BOI
-
EDI
2 stops15h 54m
Multiple Airlines
Wed 11/1111:25
EDI
-
BOI
2 stops17h 38m
Multiple Airlines
Deal found 19/6£654
Wed 16/915:21
BOI
-
EDI
2 stops17h 44m
American Airlines
Tue 22/911:25
EDI
-
BOI
2 stops18h 02m
American Airlines
Deal found 17/6£654
Wed 7/1012:12
IDA
-
LHR
1 stop15h 43m
American Airlines
Tue 13/1008:15
LHR
-
IDA
2 stops20h 07m
American Airlines
Deal found 18/6£657
Tue 29/907:02
BOI
-
LHR
1 stop16h 18m
Iberia
Wed 7/1006:30
LHR
-
BOI
2 stops22h 47m
Iberia
Deal found 19/6£662
Wed 16/909:17
GEG
-
EDI
2 stops16h 03m
Delta
Tue 22/909:00
EDI
-
GEG
2 stops22h 55m
Delta
Deal found 16/6£663
Tue 29/914:14
BOI
-
LHR
1 stop16h 01m
Delta
Wed 7/1008:40
LHR
-
BOI
2 stops18h 37m
Delta
Deal found 15/6£663
Wed 23/905:40
GEG
-
LHR
1 stop20h 20m
Delta
Wed 14/1008:40
LHR
-
GEG
2 stops18h 47m
Delta
Deal found 16/6£663
Sun 1/1117:22
BOI
-
EDI
2 stops31h 33m
United Airlines
Wed 11/1109:25
EDI
-
BOI
2 stops20h 40m
United Airlines
Deal found 16/6£663
Tue 29/906:25
BOI
-
LHR
1 stop23h 00m
United Airlines
Wed 7/1007:25
LHR
-
BOI
2 stops19h 04m
United Airlines
Deal found 16/6£663

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 20 June 2026.

Round-trip from

£614

One-way from

£234

Popular in

January

Cheapest in

October

Average price

£970
United Airlines
  • United Airlines
  • 16/11-18/11
  • 4 total stops
  • 57h 48m total
  • Idaho to England
Search Deals
20/10
  • 20/10
  • 3 total stops
  • 34h 57m total
  • Idaho to England
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£324 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 20% potential price decrease (£104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 20 June 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

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Mon 26/10

07:00-11:15

1 stop21h 15m

London Heathrow

Fri 30/10

06:35-21:01

2 stops21h 26m

£663

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 23/9

05:40-10:00

1 stop20h 20m

London Heathrow

Wed 14/10

08:40-19:27

2 stops18h 47m

£663

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Wed 16/9

06:30-08:05

2 stops18h 35m

Edinburgh Turnhouse

Tue 22/9

09:40-21:31

2 stops18h 51m

£663

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 7/10

14:28-12:35

1 stop15h 07m

London Heathrow

Tue 13/10

07:25-09:53

2 stops33h 28m

£666

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Sat 3/10

11:05-21:20

2 stops26h 15m

London Heathrow

Tue 27/10

06:35-23:38

2 stops24h 03m

£666

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 7/10

13:46-15:05

1 stop18h 19m

London Heathrow

Tue 13/10

17:00-15:35

1 stop29h 35m

£675

SpokaneEdinburgh

GEG - EDI

GEGEDI

Spokane

Wed 16/9

14:09-16:05

2 stops17h 56m

Edinburgh Turnhouse

Tue 22/9

10:30-20:25

2 stops17h 55m

£699

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Fri 2/10

16:19-17:35

1 stop17h 16m

London Heathrow

Fri 23/10

06:30-14:45

2 stops16h 15m

£700

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Fri 2/10

16:08-12:25

1 stop12h 17m

London Heathrow

Fri 23/10

07:25-20:49

2 stops21h 24m

£701

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 9/10

10:35-12:25

1 stop18h 50m

London Heathrow

Fri 16/10

06:55-09:53

2 stops33h 58m

£705

Flights are sorted by cheapest return flights first.

Deals found on 16/6

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 £302). Flying from Idaho to England in May is currently the most expensive (average of £520). 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 Alaska Airlines can get you from Idaho to England in just under 18h 19m. Your travel time can differ by up to 2h 56m. The distance from Idaho to England is about 4705 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 £302). Flying from Idaho to England in May is currently the most expensive (average of £520). 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

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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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