Find flights
When to book
Airlines
FAQs

Cheap flights from England to Idaho from £393

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
2 Jul — 9 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 2 June 2026.

Wed 2/909:30
LHR
-
BOI
2 stops19h 07m
Lufthansa
Mon 14/914:41
BOI
-
LHR
1 stop11h 59m
Lufthansa
Deal found 30/5£655
Wed 4/1111:10
LHR
-
BOI
2 stops18h 55m
United Airlines
Sun 8/1110:39
BOI
-
LHR
2 stops37h 51m
United Airlines
Deal found 28/5£658
Tue 8/1207:30
LHR
-
BOI
2 stops19h 05m
United Airlines
Thu 24/1207:00
BOI
-
LHR
1 stop19h 40m
United Airlines
Deal found 29/5£659
Wed 2/917:00
LHR
-
BOI
1 stop13h 44m
Alaska Airlines
Mon 14/910:00
BOI
-
LHR
1 stop22h 05m
Alaska Airlines
Deal found 30/5£673
Wed 2/909:30
LHR
-
BOI
2 stops19h 07m
Multiple Airlines
Mon 14/919:05
BOI
-
LHR
2 stops28h 25m
Multiple Airlines
Deal found 30/5£680
Fri 11/1210:25
LHR
-
BOI
2 stops20h 34m
Lufthansa
Thu 24/1210:39
BOI
-
LHR
2 stops15h 31m
Lufthansa
Deal found 29/5£687
Thu 10/1207:30
LHR
-
BOI
2 stops20h 46m
United Airlines
Thu 24/1205:00
BOI
-
LHR
1 stop21h 40m
United Airlines
Deal found 29/5£689
Sat 5/909:00
LHR
-
BOI
2 stops20h 40m
United Airlines
Mon 7/910:31
BOI
-
LHR
2 stops38h 24m
United Airlines
Deal found 1/6£690
Tue 1/917:00
LHR
-
BOI
1 stop13h 44m
Alaska Airlines
Mon 14/919:48
BOI
-
LHR
1 stop12h 17m
Alaska Airlines
Deal found 30/5£698
Wed 14/1008:40
LHR
-
GEG
2 stops33h 50m
United Airlines
Sun 18/1013:37
GEG
-
LHR
2 stops23h 58m
United Airlines
Deal found 1/6£716
Tue 7/707:30
LHR
-
GEG
2 stops21h 35m
Lufthansa
Tue 21/712:37
GEG
-
LHR
1 stop17h 33m
Lufthansa
Deal found 31/5£752
Mon 8/621:25
LHR
-
GEG
2 stops31h 53m
Icelandair
Tue 7/719:45
GEG
-
LHR
2 stops40h 35m
Icelandair
Deal found 29/5£762

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 2 June 2026.

Round-trip from

£655

One-way from

£393

Popular in

December

Cheapest in

January

Average price

£779
Lufthansa
  • Lufthansa
  • 2/9-14/9
  • 3 total stops
  • 31h 06m total
  • England to Idaho
Search Deals
30/6
  • 30/6
  • 3 total stops
  • 42h 53m 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 (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 2 June 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 4/11

11:10-23:05

2 stops18h 55m

Boise Air Term. Gowen Fld

Sun 8/11

10:39-07:30

2 stops37h 51m

£658

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 5/9

09:00-22:40

2 stops20h 40m

Boise Air Term. Gowen Fld

Mon 7/9

19:05-14:10

1 stop36h 05m

£690

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 14/10

13:00-22:16

1 stop17h 16m

Spokane

Sun 18/10

13:37-12:35

1 stop14h 58m

£774

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 7/7

07:30-21:05

2 stops21h 35m

Spokane

Tue 21/7

12:37-14:10

1 stop17h 33m

£780

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Fri 26/6

15:40-20:56

2 stops37h 16m

Spokane

Fri 3/7

19:45-11:45

2 stops32h 00m

£788

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 2/9

10:20-20:33

2 stops17h 13m

Boise Air Term. Gowen Fld

Mon 14/9

10:14-18:50

2 stops25h 36m

£796

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 13/7

14:50-21:05

1 stop14h 15m

Spokane

Mon 20/7

05:00-09:20

2 stops20h 20m

£801

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 1/7

10:25-21:05

2 stops18h 40m

Spokane

Thu 30/7

16:18-12:25

1 stop12h 07m

£801

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

£811

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 1/9

12:55-21:20

1 stop15h 25m

Idaho Falls Fanning Field

Fri 25/9

07:00-10:55

1 stop20h 55m

£831

Flights are sorted by cheapest return flights first.

Deals found on 29/5

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 £500). Flying from England to Idaho in July is currently the most expensive (average of £657). 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 2 June 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
1,524 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

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
1,524 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

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
1,524 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

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
9,778 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

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
663 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

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
8,035 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

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 18h 55m. 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 £500). Flying from England to Idaho in July is currently the most expensive (average of £657). 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.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Gatwick to LaGuardia flights
Heathrow to Miami flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
Luton to Newark flights
London City to Newark flights
Heathrow to Boston flights
Manchester to John F Kennedy Intl flights
Heathrow to Dulles Intl flights
Manchester to Orlando flights
Heathrow to Dallas/Fort Worth flights
Heathrow to San Francisco flights
Heathrow to O'Hare Intl flights
Gatwick to Orlando flights
Heathrow to Baltimore flights
Heathrow to Las Vegas flights
Stansted to Los Angeles flights
Gatwick to Boston flights
Gatwick to Los Angeles flights
London City to Los Angeles flights
Heathrow to Hobby flights
Gatwick to Miami flights
Stansted to LaGuardia flights
Stansted to Orlando flights
Heathrow to Seattle flights
Manchester to Newark flights
Stansted to Miami flights
Heathrow to Atlanta flights
London City to Miami flights
Heathrow to George Bush Intcntl flights
Manchester to LaGuardia flights
Heathrow to Austin flights
Heathrow to Tampa flights
London City to Orlando flights
Heathrow to Philadelphia flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
London City to Boston flights
Luton to Miami flights
Edinburgh to Newark flights
Luton to Los Angeles 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 2 June 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£507Average£663FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£545Average£678FlexibilityNo 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£698Average£712FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Alaska AirlinesCheapest£833Average£1,115FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.