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Cheap flights from England to Idaho from £356

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
16 Jun — 23 Jun1
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 17 May 2026.

Tue 24/1109:00
LHR
-
GEG
2 stops22h 38m
Multiple Airlines
Tue 1/1212:30
GEG
-
LHR
2 stops17h 00m
Multiple Airlines
Deal found 13/5£660
Wed 30/1212:00
LHR
-
BOI
2 stops18h 06m
Lufthansa
Wed 13/112:29
BOI
-
LHR
1 stop34h 26m
Lufthansa
Deal found 16/5£662
Tue 24/1111:35
LHR
-
GEG
1 stop17h 34m
Lufthansa
Tue 1/1207:02
GEG
-
LHR
1 stop16h 23m
Lufthansa
Deal found 13/5£687
Mon 23/1110:05
LHR
-
GEG
1 stop21h 33m
United Airlines
Thu 3/1212:30
GEG
-
LHR
1 stop14h 45m
United Airlines
Deal found 13/5£695
Sat 21/1109:00
LHR
-
GEG
2 stops22h 38m
Multiple Airlines
Sat 28/1107:02
GEG
-
LHR
1 stop20h 13m
Multiple Airlines
Deal found 16/5£709
Sat 21/1109:00
LHR
-
GEG
2 stops22h 38m
United Airlines
Sat 28/1107:02
GEG
-
LHR
1 stop20h 13m
United Airlines
Deal found 17/5£717
Mon 1/619:30
LHR
-
GEG
2 stops29h 27m
Scandinavian Airlines
Fri 5/611:05
GEG
-
LHR
2 stops20h 55m
Scandinavian Airlines
Deal found 14/5£722
Wed 24/614:50
LHR
-
BOI
1 stop13h 45m
Lufthansa
Wed 30/919:05
BOI
-
LHR
2 stops32h 05m
Lufthansa
Deal found 15/5£724
Sat 21/1113:45
LHR
-
GEG
1 stop17h 53m
United Airlines
Mon 30/1112:30
GEG
-
LHR
1 stop14h 45m
United Airlines
Deal found 13/5£725
Wed 24/607:25
LHR
-
BOI
2 stops21h 15m
United Airlines
Wed 30/906:25
BOI
-
LHR
2 stops17h 50m
United Airlines
Deal found 15/5£727
Sat 21/1114:30
LHR
-
GEG
2 stops41h 08m
Air Canada
Wed 2/1207:02
GEG
-
LHR
2 stops20h 18m
Air Canada
Deal found 13/5£732
Sat 21/1111:35
LHR
-
GEG
1 stop17h 34m
Lufthansa
Sat 28/1107:02
GEG
-
LHR
1 stop20h 13m
Lufthansa
Deal found 16/5£736

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 17 May 2026.

Round-trip from

£722

One-way from

£356

Popular in

December

Cheapest in

January

Average price

£681
Scandinavian Airlines
  • Scandinavian Airlines
  • 1/6-5/6
  • 4 total stops
  • 50h 22m total
  • England to Idaho
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 51h 19m total
  • England to Idaho
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£51 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 May 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 17 May 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

Mon 1/6

19:30-16:57

2 stops29h 27m

Spokane

Fri 5/6

13:11-18:30

3 stops21h 19m

£743
Fastest return journey

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 24/6

08:00-17:56

2 stops16h 56m

Boise Air Term. Gowen Fld

Wed 30/9

17:44-12:35

1 stop11h 51m

£751

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 23/6

12:00-22:37

2 stops17h 37m

Boise Air Term. Gowen Fld

Sun 5/7

19:05-10:10

2 stops32h 05m

£773

ManchesterSpokane

MAN - GEG

MANGEG

Manchester

Wed 11/11

06:10-10:55

2 stops36h 45m

Spokane

Sun 15/11

16:00-17:00

2 stops41h 00m

£776

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 29/6

08:00-21:05

2 stops21h 05m

Spokane

Mon 6/7

05:00-11:35

2 stops22h 35m

£812

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 1/7

13:00-23:04

1 stop18h 04m

Spokane

Wed 15/7

16:18-12:35

1 stop12h 17m

£819

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 23/6

13:00-22:24

2 stops16h 24m

Boise Air Term. Gowen Fld

Sat 4/7

18:10-14:40

2 stops37h 30m

£840

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 8/6

13:05-21:18

2 stops40h 13m

Spokane

Tue 7/7

19:45-20:20

2 stops16h 35m

£841

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 2/7

10:35-23:55

1 stop20h 20m

Boise Air Term. Gowen Fld

Mon 13/7

17:46-12:25

1 stop11h 39m

£843

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

10:55-18:14

1 stop14h 19m

Idaho Falls Fanning Field

Fri 25/9

18:50-20:10

2 stops18h 20m

£858

Flights are sorted by cheapest return flights first.

Deals found on 15/5

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

How far ahead should I book a flight from England to Idaho?

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from England to Idaho. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from England to Idaho (average of £505). Flying from England to Idaho in July is currently the most expensive (average of £651). 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 17 May 2026.
Read through reviews of airlines operating flights from England to Idaho, such as KLM,United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,517 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,737 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.4
Good
688 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
656 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,009 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 16h 56m. Airlines will cover a distance of 4829 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, January is the cheapest month in which you can book a flight from England to Idaho (average of £505). Flying from England to Idaho in July is currently the most expensive (average of £651). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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Edinburgh to John F Kennedy Intl flights
London City to San Francisco flights
Gatwick to San Francisco flights
Stansted to San Francisco flights
Luton to Los Angeles flights
Gatwick to O'Hare Intl 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 17 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£512Average£699FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£550Average£690FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£604Average£813FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£607Average£741FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£705Average£719FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£706Average£803FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£802Average£1,173FlexibilityNo 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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