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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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
20 Feb — 27 Feb1
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 21 January 2026.

Tue 24/212:25
GEG
-
EDI
2 stops18h 50m
American Airlines
Thu 12/311:25
EDI
-
GEG
2 stops19h 58m
American Airlines
Deal found 19/1£418
Sun 25/107:16
BOI
-
LHR
1 stop16h 34m
Iberia
Tue 10/220:50
LHR
-
BOI
2 stops31h 28m
Iberia
Deal found 18/1£429
Tue 24/206:00
GEG
-
LHR
1 stop16h 50m
Iberia
Tue 10/320:50
LHR
-
GEG
2 stops31h 22m
Iberia
Deal found 20/1£429
Tue 17/207:00
BOI
-
LHR
1 stop20h 00m
Iberia
Thu 26/220:50
LHR
-
BOI
2 stops32h 32m
Iberia
Deal found 20/1£431
Tue 17/206:00
GEG
-
LHR
1 stop16h 50m
Iberia
Wed 4/307:35
LHR
-
GEG
2 stops21h 37m
Iberia
Deal found 19/1£431
Tue 24/206:00
GEG
-
MAN
2 stops26h 30m
Multiple Airlines
Wed 11/318:20
MAN
-
GEG
2 stops33h 52m
Multiple Airlines
Deal found 21/1£433
Tue 17/210:25
BOI
-
LHR
1 stop16h 15m
United Airlines
Thu 26/211:10
LHR
-
BOI
2 stops19h 38m
United Airlines
Deal found 19/1£436
Tue 17/205:00
BOI
-
LHR
2 stops19h 10m
Air Canada
Tue 24/215:00
LHR
-
BOI
2 stops29h 38m
Air Canada
Deal found 20/1£437
Tue 18/812:42
GEG
-
EDI
2 stops18h 58m
American Airlines
Tue 25/810:25
EDI
-
GEG
2 stops20h 10m
American Airlines
Deal found 19/1£439
Mon 4/506:00
GEG
-
EDI
2 stops26h 35m
Multiple Airlines
Wed 13/506:40
EDI
-
GEG
2 stops21h 48m
Multiple Airlines
Deal found 20/1£440
Mon 16/206:25
BOI
-
LHR
1 stop20h 15m
United Airlines
Fri 27/218:00
LHR
-
BOI
2 stops34h 32m
United Airlines
Deal found 20/1£440
Wed 4/314:40
BOI
-
LHR
1 stop12h 00m
United Airlines
Wed 11/306:35
LHR
-
BOI
2 stops20h 54m
United Airlines
Deal found 20/1£442

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 21 January 2026.

Round-trip from

£418

One-way from

£241

Popular in

June

Cheapest in

October

Average price

£636
American Airlines
  • American Airlines
  • 24/2-12/3
  • 4 total stops
  • 38h 48m total
  • Idaho to England
Search Deals
18/4
  • 18/4
  • 3 total stops
  • 43h 05m total
  • Idaho to England
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£155 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 January 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 21 January 2026.
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

SpokaneEdinburgh

GEG - EDI

GEGEDI

Spokane

Tue 24/2

12:25-15:15

2 stops18h 50m

Edinburgh Turnhouse

Thu 12/3

11:25-00:23

2 stops19h 58m

£418

SpokaneManchester

GEG - MAN

GEGMAN

Spokane

Tue 24/2

06:00-16:30

2 stops26h 30m

Manchester

Wed 11/3

18:20-21:12

2 stops33h 52m

£433

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 4/3

06:25-08:30

2 stops19h 05m

London Heathrow

Wed 11/3

14:30-23:57

2 stops39h 27m

£440

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 16/2

06:25-09:40

1 stop20h 15m

London Heathrow

Fri 27/2

18:00-21:32

2 stops34h 32m

£440

SpokaneEdinburgh

GEG - EDI

GEGEDI

Spokane

Mon 4/5

06:00-16:35

2 stops26h 35m

Edinburgh Turnhouse

Wed 13/5

06:40-20:28

2 stops21h 48m

£440

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 4/3

14:40-09:40

1 stop12h 00m

London Heathrow

Wed 11/3

06:35-21:29

2 stops20h 54m

£442

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

10:25-09:40

1 stop16h 15m

London Heathrow

Tue 24/2

11:10-23:23

2 stops19h 13m

£443

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

10:53-07:25

1 stop13h 32m

London Heathrow

Thu 26/2

11:35-23:48

1 stop19h 13m

£445

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

10:53-07:25

1 stop13h 32m

London Heathrow

Fri 27/2

10:05-23:38

1 stop20h 33m

£452

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 23/3

06:15-09:40

1 stop21h 25m

London Heathrow

Wed 8/4

09:00-22:35

2 stops20h 35m

£455

Flights are sorted by cheapest return flights first.

Deals found on 18/1

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, October is the cheapest month in which you can book a flight from Idaho to England (average of £462). Flying from Idaho to England in June is currently the most expensive (average of £807). 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?

    American Airlines, Air Canada, and United Airlines can get you from Idaho to England in just under 18h 50m. Your travel time can differ by up to 1h 25m. The distance from Idaho to England is about 4334 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 £462). Flying from Idaho to England in June is currently the most expensive (average of £807). 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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