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Cheap flights from England to Idaho from £305

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
10 May — 17 May1
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 10 April 2026.

Wed 4/1109:00
LHR
-
GEG
2 stops22h 38m
United Airlines
Sun 8/1111:30
GEG
-
LHR
1 stop34h 25m
United Airlines
Deal found 5/4£646
Wed 16/910:50
LHR
-
BOI
2 stops20h 00m
United Airlines
Sun 20/910:37
BOI
-
LHR
2 stops38h 08m
United Airlines
Deal found 7/4£652
Tue 1/906:55
LHR
-
BOI
2 stops17h 58m
United Airlines
Tue 29/907:00
BOI
-
LHR
2 stops17h 55m
United Airlines
Deal found 10/4£659
Tue 1/914:50
LHR
-
BOI
1 stop13h 35m
Lufthansa
Tue 29/914:43
BOI
-
LHR
1 stop11h 57m
Lufthansa
Deal found 10/4£666
Wed 6/509:30
LHR
-
GEG
2 stops19h 46m
Multiple Airlines
Wed 13/505:00
GEG
-
LHR
2 stops17h 30m
Multiple Airlines
Deal found 8/4£678
Sat 9/510:50
LHR
-
BOI
2 stops18h 45m
United Airlines
Tue 19/505:00
BOI
-
LHR
2 stops17h 55m
United Airlines
Deal found 6/4£679
Wed 22/413:05
LHR
-
GEG
2 stops16h 26m
Icelandair
Tue 28/414:45
GEG
-
LHR
2 stops45h 35m
Icelandair
Deal found 6/4£681
Wed 6/514:50
LHR
-
GEG
1 stop14h 26m
Lufthansa
Wed 13/512:25
GEG
-
LHR
1 stop14h 45m
Lufthansa
Deal found 8/4£693
Wed 22/415:40
LGW
-
GEG
2 stops16h 15m
Icelandair
Tue 28/414:45
GEG
-
LGW
2 stops15h 55m
Icelandair
Deal found 6/4£697
Sun 6/913:05
LHR
-
BOI
2 stops17h 45m
United Airlines
Sun 20/919:01
BOI
-
LHR
1 stop29h 24m
United Airlines
Deal found 6/4£702
Thu 21/509:55
LHR
-
GEG
1 stop20h 57m
Multiple Airlines
Thu 28/507:00
GEG
-
LHR
2 stops24h 35m
Multiple Airlines
Deal found 6/4£706
Sun 6/910:20
LHR
-
BOI
2 stops19h 44m
Scandinavian Airlines
Sun 20/912:42
BOI
-
LHR
3 stops23h 08m
Scandinavian Airlines
Deal found 6/4£709

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 10 April 2026.

Round-trip from

£652

One-way from

£305

Popular in

December

Cheapest in

January

Average price

£624
United Airlines
  • United Airlines
  • 16/9-20/9
  • 4 total stops
  • 58h 08m total
  • England to Idaho
Search Deals
5/5
  • 5/5
  • 3 total stops
  • 57h 39m total
  • England to Idaho
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£47 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 10 April 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

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 16/9

10:50-23:50

2 stops20h 00m

Boise Air Term. Gowen Fld

Sun 20/9

10:37-07:45

2 stops38h 08m

£652

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 1/9

06:55-17:53

2 stops17h 58m

Boise Air Term. Gowen Fld

Tue 29/9

07:00-07:55

2 stops17h 55m

£659

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 11/9

07:30-21:19

2 stops20h 49m

Boise Air Term. Gowen Fld

Tue 15/9

10:37-12:25

1 stop18h 48m

£680
Fastest return journey

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 6/5

14:50-21:16

1 stop14h 26m

Spokane

Wed 13/5

12:25-11:10

1 stop14h 45m

£693

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Wed 22/4

15:40-23:55

2 stops16h 15m

Spokane

Tue 28/4

14:45-14:40

2 stops15h 55m

£697

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 1/9

13:00-22:33

2 stops16h 33m

Boise Air Term. Gowen Fld

Tue 29/9

06:20-14:40

2 stops25h 20m

£736

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 6/5

09:55-21:05

2 stops19h 10m

Spokane

Wed 13/5

07:25-12:10

1 stop20h 45m

£740

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Wed 29/4

15:40-23:55

2 stops16h 15m

Spokane

Mon 4/5

12:40-11:45

2 stops15h 05m

£740

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Fri 12/6

15:40-23:59

2 stops16h 19m

Spokane

Sun 21/6

11:40-11:45

2 stops40h 05m

£744

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 29/4

12:55-20:33

1 stop15h 38m

Spokane

Mon 4/5

13:22-11:15

1 stop13h 53m

£748

Flights are sorted by cheapest return flights first.

Deals found on 10/4

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, March is the cheapest month in which you can book a flight from England to Idaho (average of £507). Flying from England to Idaho in February is currently the most expensive (average of £680). 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 10 April 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
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,493 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
685 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,562 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.0
Good
632 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,905 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 14h 26m. 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, March is the cheapest month in which you can book a flight from England to Idaho (average of £507). Flying from England to Idaho in February is currently the most expensive (average of £680). 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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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 10 April 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£507Average£693FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£545Average£800FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£599Average£820FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£601Average£920FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£700Average£820FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£702Average£729FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
DeltaCheapest£795Average£1,162FlexibilityNo 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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