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Cheap flights from England to Idaho from £362

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
24 Jun — 1 Jul1
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 25 May 2026.

Tue 8/907:25
LHR
-
GEG
2 stops19h 26m
United Airlines
Tue 15/905:00
GEG
-
LHR
2 stops16h 55m
United Airlines
Deal found 22/5£659
Mon 14/906:55
LHR
-
BOI
2 stops22h 45m
United Airlines
Sun 27/919:05
BOI
-
LHR
1 stop33h 05m
United Airlines
Deal found 21/5£659
Mon 14/911:05
LHR
-
BOI
1 stop31h 21m
Lufthansa
Sun 27/917:44
BOI
-
LHR
1 stop32h 56m
Lufthansa
Deal found 21/5£660
Tue 8/914:50
LHR
-
GEG
1 stop14h 24m
Lufthansa
Tue 15/913:37
GEG
-
LHR
1 stop14h 48m
Lufthansa
Deal found 22/5£676
Mon 7/914:50
LHR
-
GEG
1 stop13h 56m
United Airlines
Tue 15/911:00
GEG
-
LHR
1 stop16h 55m
United Airlines
Deal found 22/5£684
Fri 25/918:00
LHR
-
BOI
2 stops25h 02m
Lufthansa
Mon 5/1019:05
BOI
-
LHR
2 stops28h 40m
Lufthansa
Deal found 20/5£687
Thu 10/907:25
LHR
-
GEG
2 stops23h 16m
United Airlines
Mon 14/915:54
GEG
-
LHR
1 stop33h 46m
United Airlines
Deal found 24/5£690
Sat 5/914:50
LHR
-
GEG
1 stop13h 56m
United Airlines
Wed 16/915:54
GEG
-
LHR
1 stop12h 41m
United Airlines
Deal found 22/5£713
Mon 5/1017:00
LHR
-
IDA
1 stop29h 35m
Alaska Airlines
Wed 14/1013:46
IDA
-
LHR
1 stop18h 19m
Alaska Airlines
Deal found 23/5£716
Tue 8/913:00
LGW
-
GEG
2 stops16h 01m
Icelandair
Tue 15/915:34
GEG
-
LGW
2 stops39h 06m
Icelandair
Deal found 22/5£720
Fri 11/909:30
LHR
-
GEG
2 stops35h 05m
Air Canada
Tue 15/913:37
GEG
-
LHR
2 stops32h 58m
Air Canada
Deal found 22/5£722
Sat 5/917:40
LHR
-
GEG
2 stops29h 26m
Air Canada
Wed 16/913:37
GEG
-
LHR
2 stops32h 58m
Air Canada
Deal found 22/5£726

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 25 May 2026.

Round-trip from

£659

One-way from

£362

Popular in

December

Cheapest in

January

Average price

£676
United Airlines
  • United Airlines
  • 8/9-15/9
  • 4 total stops
  • 36h 21m total
  • England to Idaho
Search Deals
4/6
  • 4/6
  • 3 total stops
  • 42h 06m total
  • England to Idaho
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£50 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 25 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

Thu 10/9

07:25-22:41

2 stops23h 16m

Spokane

Mon 14/9

05:00-09:20

2 stops20h 20m

£690

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 8/9

13:00-21:01

2 stops16h 01m

Spokane

Tue 15/9

15:34-14:40

2 stops39h 06m

£720

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Fri 2/10

19:10-20:18

2 stops32h 08m

Boise Air Term. Gowen Fld

Tue 6/10

10:38-18:25

2 stops24h 47m

£739

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 5/7

11:05-22:56

2 stops42h 51m

Boise Air Term. Gowen Fld

Sun 12/7

19:05-06:45

2 stops28h 40m

£789

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 23/6

16:15-16:44

1 stop31h 29m

Boise Air Term. Gowen Fld

Sat 4/7

12:38-08:30

1 stop12h 52m

£793

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Fri 2/10

12:30-22:32

2 stops17h 02m

Boise Air Term. Gowen Fld

Tue 6/10

12:29-08:25

1 stop12h 56m

£793

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 1/7

10:25-21:05

2 stops18h 40m

Spokane

Tue 7/7

16:13-12:25

1 stop12h 12m

£802

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 1/7

07:45-21:05

2 stops21h 20m

Spokane

Wed 15/7

13:41-12:35

1 stop14h 54m

£812

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 22/6

15:40-18:11

2 stops33h 31m

Boise Air Term. Gowen Fld

Wed 22/7

16:21-14:40

2 stops39h 19m

£815

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 5/10

17:45-12:27

2 stops25h 42m

Idaho Falls Fanning Field

Thu 15/10

13:10-14:00

2 stops17h 50m

£820

Flights are sorted by cheapest return flights first.

Deals found on 20/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, January is the cheapest month in which you can book a flight from England to Idaho (average of £501). Flying from England to Idaho in July is currently the most expensive (average of £658). 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?

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

Booking 75 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.

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 25 May 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
1,522 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

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
1,522 reviews
KLM
7.8
Good
1,522 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

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
7.5
Good
689 reviews
KLM
7.8
Good
1,522 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

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
9,747 reviews
KLM
7.8
Good
1,522 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

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
657 reviews
KLM
7.8
Good
1,522 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

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
8,024 reviews
KLM
7.8
Good
1,522 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

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 01m. Airlines will cover a distance of 4667 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 £501). Flying from England to Idaho in July is currently the most expensive (average of £658). 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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London City to San Francisco flights
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Stansted to San Francisco flights
Stansted to Boston flights
Manchester to Newark flights
Heathrow to Reagan-National flights
London City to Orlando flights
Manchester to LaGuardia flights
Stansted to Dulles 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 25 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£507Average£693FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£546Average£680FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£599Average£795FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£654Average£1,099FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£699Average£712FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Alaska AirlinesCheapest£834Average£1,116FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest£1,036Average£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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