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Cheap flights from England to Idaho from £276

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
27 Apr — 4 May1
1 adult

Cheap flight deals from England to Idaho

Keep the following information in mind while searching for England to Idaho flight deals. Data was last updated 22 April 2025.

Round-trip from

£415

One-way from

£276

Popular in

August

Cheapest in

November

Average price

£674
United Airlines
  • United Airlines
  • 16/9-23/9
  • 3 total stops
  • 42h 53m total
  • England to Idaho
11/9
  • 11/9
  • 1 total stop
  • 19h 40m total
  • England to Idaho
Highest demand for flights based on searches. 17% potential increase in price (£112 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from England to Idaho

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 22 April 2025.

Tue 16/916:15LHR - BOI
2 stops28h 15mUnited Airlines
Tue 23/914:42BOI - LHR
1 stop14h 38mUnited Airlines
Deal found 21/4£415
Tue 16/914:20LHR - BOI
1 stop15h 34mFinnair
Tue 23/907:30BOI - LHR
1 stop15h 55mFinnair
Deal found 21/4£540
Tue 16/912:00LHR - BOI
2 stops17h 41mLufthansa
Tue 23/907:00BOI - LHR
2 stops15h 55mLufthansa
Deal found 21/4£552
Mon 19/510:45LGW - GEG
1 stop19h 37mMultiple Airlines
Mon 26/507:10GEG - LGW
1 stop19h 45mMultiple Airlines
Deal found 21/4£560
Tue 16/915:40LGW - BOI
2 stops24h 48mMultiple Airlines
Tue 23/914:25BOI - LGW
2 stops17h 15mMultiple Airlines
Deal found 21/4£587
Mon 15/908:45LCY - BOI
2 stops21h 49mMultiple Airlines
Sun 28/914:45BOI - LCY
2 stops20h 50mMultiple Airlines
Deal found 21/4£605
Mon 28/413:25LHR - BOI
1 stop15h 36mKLM
Mon 12/513:50BOI - LHR
1 stop17h 25mKLM
Deal found 21/4£615
Fri 19/916:15LHR - JAC
2 stops28h 48mUnited Airlines
Sat 27/913:40JAC - LHR
2 stops15h 05mUnited Airlines
Deal found 21/4£622
Tue 26/810:55LHR - GEG
1 stop13h 09mVirgin Atlantic
Sat 13/913:30GEG - LHR
1 stop12h 20mVirgin Atlantic
Deal found 22/4£626
Mon 28/411:45LHR - BOI
2 stops19h 18mDelta
Mon 12/511:30BOI - LHR
2 stops18h 40mDelta
Deal found 21/4£644
Mon 19/506:30LHR - GEG
2 stops17h 30mDelta
Mon 26/515:30GEG - LHR
1 stop14h 45mDelta
Deal found 21/4£649
Tue 21/1015:40LGW - GEG
2 stops16h 19mIcelandair
Tue 28/1011:35GEG - LGW
2 stops16h 20mIcelandair
Deal found 22/4£652

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 22 April 2025.
Use the filters below to find and compare flights from England to Idaho that are best for you.

Fly from

England

Fly to

Idaho

Route

Depart

Return

Price

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 16/9

16:15-13:30

2 stops28h 15m

Boise Air Term. Gowen Fld

Tue 23/9

14:42-12:20

1 stop14h 38m

£415

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 16/9

14:20-22:54

1 stop15h 34m

Boise Air Term. Gowen Fld

Tue 23/9

07:30-06:25

1 stop15h 55m

£540

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 16/9

12:00-22:41

2 stops17h 41m

Boise Air Term. Gowen Fld

Tue 23/9

07:00-05:55

2 stops15h 55m

£552

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Mon 19/5

10:45-22:22

1 stop19h 37m

Spokane

Mon 26/5

07:10-10:55

1 stop19h 45m

£560

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 16/9

15:40-09:28

2 stops24h 48m

Boise Air Term. Gowen Fld

Tue 23/9

14:25-14:40

2 stops17h 15m

£587

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 15/9

08:45-23:34

2 stops21h 49m

Boise Air Term. Gowen Fld

Sun 28/9

14:45-18:35

2 stops20h 50m

£605

LondonJackson

LHR - JAC

LHRJAC

London Heathrow

Fri 19/9

16:15-14:03

2 stops28h 48m

Jackson Hole

Sat 27/9

13:40-11:45

2 stops15h 05m

£622

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 26/8

10:55-16:04

1 stop13h 09m

Spokane

Sat 13/9

13:30-09:50

1 stop12h 20m

£626

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 19/5

06:30-16:00

2 stops17h 30m

Spokane

Mon 26/5

15:30-14:15

1 stop14h 45m

£649

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 4/6

08:40-23:14

2 stops22h 34m

Spokane

Wed 11/6

07:25-11:10

2 stops19h 45m

£665

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 51 results
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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, October is the cheapest month in which you can book a flight from England to Idaho (average of £754). Flying from England to Idaho in August is currently the most expensive (average of £1,152). 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.

What is the cheapest time of day to fly from ENG to ID?

Find hourly flight availability from England to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 April 2025.

When flying from England to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 5.0 - 41.0 inches per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Idaho when rainfall is around 5.0 mm.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

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 22 April 2025.
To help decide which airline to fly from England to Idaho, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.
  • What are the cheapest airlines to fly from England to Idaho one-way?

    The cheapet airlines for a one-way flight from England to Idaho are WestJet (£502), Lufthansa (£625), and Scandinavian Airlines (£666).

  • 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, October is the cheapest month in which you can book a flight from England to Idaho (average of £754). Flying from England to Idaho in August is currently the most expensive (average of £1,152). 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.

Top 8 airlines flying from England to Idaho

Discover the top 8 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 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£491Average£670FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£531Average£806FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£532Average£861FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£539Average£648FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£578Average£789FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£595Average£705FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£612Average£819FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£638Average£793FlexibilityNo cancel feeOn-time76%
Search Icelandair 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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