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Cheap flights from England to Idaho from £360

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from England to Idaho

Enter your travel dates to find the best prices.

Cheapest flights from England to Idaho
Explore the most affordable flight options available from England to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Tue 15/906:40
LHR
-
BOI
2 stops19h 00m
Scandinavian Airlines
Fri 16/1016:00
BOI
-
LHR
2 stops41h 00m
Scandinavian Airlines
Deal found 17/7£572
Tue 8/906:40
LHR
-
GEG
2 stops20h 10m
Scandinavian Airlines
Tue 6/1011:18
GEG
-
LHR
2 stops26h 22m
Scandinavian Airlines
Deal found 14/7£577
Sat 3/1006:40
LHR
-
BOI
2 stops19h 00m
Scandinavian Airlines
Sat 10/1012:08
BOI
-
LHR
3 stops21h 52m
Scandinavian Airlines
Deal found 18/7£585
Thu 3/917:00
LHR
-
GEG
2 stops32h 00m
Scandinavian Airlines
Fri 18/911:10
GEG
-
LHR
2 stops18h 25m
Scandinavian Airlines
Deal found 15/7£589
Fri 18/919:30
LHR
-
BOI
2 stops34h 04m
Scandinavian Airlines
Fri 25/916:00
BOI
-
LHR
2 stops41h 00m
Scandinavian Airlines
Deal found 15/7£599
Tue 15/906:40
LHR
-
GEG
2 stops18h 29m
Scandinavian Airlines
Sat 19/911:10
GEG
-
LHR
2 stops22h 30m
Scandinavian Airlines
Deal found 17/7£620
Thu 3/915:40
LGW
-
GEG
2 stops16h 19m
Multiple Airlines
Wed 16/907:03
GEG
-
LGW
2 stops23h 37m
Multiple Airlines
Deal found 15/7£646
Tue 8/916:25
LHR
-
GEG
1 stop27h 30m
Finnair
Tue 6/1006:00
GEG
-
LHR
2 stops20h 15m
Finnair
Deal found 15/7£666
Sun 30/819:30
LHR
-
BOI
2 stops34h 30m
Scandinavian Airlines
Sun 6/910:35
BOI
-
LHR
2 stops24h 05m
Scandinavian Airlines
Deal found 16/7£686
Mon 2/1111:35
LHR
-
BOI
2 stops30h 39m
United Airlines
Mon 30/1105:00
BOI
-
LHR
2 stops17h 55m
United Airlines
Deal found 17/7£689
Mon 19/1010:20
LGW
-
BOI
2 stops20h 38m
Multiple Airlines
Fri 23/1014:08
BOI
-
LGW
2 stops21h 42m
Multiple Airlines
Deal found 14/7£689
Thu 10/917:00
LHR
-
BOI
2 stops32h 40m
Scandinavian Airlines
Mon 14/916:00
BOI
-
LHR
2 stops19h 30m
Scandinavian Airlines
Deal found 14/7£690

Find flight deals from England to Idaho

Keep the following information in mind while searching for England to Idaho flight deals. Data was last updated 18 July 2026.

Round-trip from

£572

One-way from

£360

Popular in

December

Cheapest in

January

Average price

£916
Scandinavian Airlines
  • Scandinavian Airlines
  • 15/9-16/10
  • 4 total stops
  • 60h 00m total
  • England to Idaho
Search Deals
6/9
  • 6/9
  • 3 total stops
  • 53h 29m total
  • England to Idaho
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from England to Idaho 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 18 July 2026.
Use the filters below to find and compare flights from England to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 8/9

06:40-18:50

2 stops20h 10m

Spokane

Tue 6/10

11:18-21:40

2 stops26h 22m

£579

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 3/10

06:40-18:40

2 stops19h 00m

Boise Air Term. Gowen Fld

Sat 10/10

12:08-17:00

3 stops21h 52m

£585

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 15/9

06:40-17:09

2 stops18h 29m

Spokane

Sat 19/9

11:10-17:40

2 stops22h 30m

£620

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 8/9

08:55-11:55

1 stop35h 00m

Spokane

Tue 6/10

14:15-09:40

2 stops35h 25m

£672

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 18/11

13:35-21:01

2 stops39h 26m

Spokane

Wed 25/11

12:50-11:15

1 stop14h 25m

£682

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 19/10

10:20-23:58

2 stops20h 38m

Boise Air Term. Gowen Fld

Fri 23/10

14:08-18:50

2 stops21h 42m

£689

BirminghamBoise

BHX - BOI

BHXBOI

Birmingham

Thu 10/9

19:15-22:34

2 stops34h 19m

Boise Air Term. Gowen Fld

Mon 14/9

16:00-18:35

2 stops19h 35m

£690

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 16/9

14:10-11:06

2 stops27h 56m

Boise Air Term. Gowen Fld

Wed 23/9

10:31-12:35

1 stop19h 04m

£693

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 25/10

19:30-23:04

2 stops33h 34m

Boise Air Term. Gowen Fld

Sun 8/11

16:00-16:00

2 stops41h 00m

£696

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 4/12

07:40-23:59

2 stops23h 19m

Boise Air Term. Gowen Fld

Mon 7/12

14:43-09:40

1 stop11h 57m

£716

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

Best time to book a flight from England to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from England 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 England to Idaho

What is the cheapest month to book a flight from England to Idaho?

Currently, April is the cheapest month in which you can book a flight from England to Idaho (average of £620). Flying from England to Idaho in August is currently the most expensive (average of £1,008). 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 England to Idaho?

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated 18 July 2026.
Read through reviews of airlines operating flights from England to Idaho, such as KLM,Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,541 reviews
Check prices

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,541 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Virgin Atlantic
7.5
Good
693 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
United Airlines
7.4
Good
10,006 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Icelandair
7.0
Good
710 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Lufthansa
6.8
Okay
8,144 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Related info for your journey

Find useful and relevant information for your journey from England to Idaho. 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 England to Idaho?

    Departing from England to Idaho will take you 20h 10m. Airlines will cover a distance of 4643 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from England to Idaho that include hotel bookings?

    Yes. In addition to deals on England to Idaho flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from England to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from England to Idaho.

  • Can I find deals for business class flights from England to Idaho?

    Yes. Cheapflights offers flight deals from England to Idaho 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 England to Idaho?

    Currently, April is the cheapest month in which you can book a flight from England to Idaho (average of £620). Flying from England to Idaho in August is currently the most expensive (average of £1,008). 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 England to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Tampa flights
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Edinburgh to Newark flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
London City to Atlanta flights

Top 7 airlines flying from England to Idaho

Discover the top 7 airlines that operate flights from England to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£507Average£670FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£551Average£853FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£598Average£794FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£653Average£1,098FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£699Average£709FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Alaska AirlinesCheapest£733Average£947FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest£1,035Average£1,161FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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 England to Idaho?

Deals for England to Idaho flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from England to Idaho?

Millions of users choose and trust Cheapflights to book the best flight deals from England to Idaho for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from England to Idaho with no change fees?

Yes! Cheapflights helps users easily find flights from England to Idaho with no change fees.

Can Cheapflights notify me if prices for flights from England to Idaho become cheaper?

Yes, Cheapflights offers price alerts on England to Idaho flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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