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Cheap flights from England to Idaho from £318

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
4 May — 11 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 29 April 2025.

Round-trip from

£578

One-way from

£318

Popular in

August

Cheapest in

November

Average price

£667
Lufthansa
  • Lufthansa
  • 26/9-6/10
  • 4 total stops
  • 45h 26m total
  • England to Idaho
15/5
  • 15/5
  • 3 total stops
  • 30h 46m total
  • England to Idaho
Highest demand for flights based on searches. 17% potential increase in price (£110 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£22 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 29 April 2025.

Fri 26/917:40LHR - BOI
2 stops26h 55mLufthansa
Mon 6/1019:09BOI - LHR
2 stops18h 31mLufthansa
Deal found 29/4£578
Mon 19/510:45LGW - GEG
1 stop19h 37mMultiple Airlines
Mon 26/507:10GEG - LGW
1 stop19h 45mMultiple Airlines
Deal found 29/4£588
Mon 9/610:45LGW - BOI
1 stop34h 59mMultiple Airlines
Mon 30/608:18BOI - LGW
1 stop19h 37mMultiple Airlines
Deal found 28/4£613
Mon 19/517:25LHR - GEG
1 stop13h 25mVirgin Atlantic
Mon 26/509:45GEG - LHR
1 stop16h 05mVirgin Atlantic
Deal found 29/4£628
Tue 24/609:55LHR - GEG
2 stops19h 12mDelta
Thu 3/709:40GEG - LHR
2 stops19h 30mDelta
Deal found 28/4£647
Wed 11/613:45LHR - GEG
2 stops41h 29mUnited Airlines
Wed 18/618:00GEG - LHR
1 stop34h 20mUnited Airlines
Deal found 28/4£664
Mon 9/607:25LHR - BOI
2 stops17h 36mUnited Airlines
Mon 30/608:30BOI - LHR
1 stop16h 50mUnited Airlines
Deal found 28/4£667
Tue 24/615:10LHR - GEG
1 stop16h 10mAmerican Airlines
Thu 3/715:10GEG - LHR
1 stop15h 30mAmerican Airlines
Deal found 28/4£667
Tue 3/609:30LHR - BOI
2 stops18h 56mAir Canada
Wed 25/606:30BOI - LHR
2 stops20h 30mAir Canada
Deal found 28/4£691
Thu 12/607:45LCY - GEG
2 stops19h 05mDelta
Thu 19/615:36GEG - LCY
2 stops17h 04mDelta
Deal found 28/4£710
Sat 27/912:20LHR - JAC
2 stops31h 24mLufthansa
Sat 4/1016:20JAC - LHR
1 stop13h 00mLufthansa
Deal found 28/4£719
Fri 13/613:05LHR - GEG
1 stop16h 54mKLM
Fri 20/614:22GEG - LHR
1 stop14h 48mKLM
Deal found 29/4£722

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 29 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

Fri 26/9

17:40-13:35

2 stops26h 55m

Boise Air Term. Gowen Fld

Mon 6/10

19:09-20:40

2 stops18h 31m

£578

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

£588

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 9/6

10:45-14:44

1 stop34h 59m

Boise Air Term. Gowen Fld

Mon 30/6

08:18-10:55

1 stop19h 37m

£613

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 19/5

17:25-22:50

1 stop13h 25m

Spokane

Mon 26/5

09:45-09:50

1 stop16h 05m

£628

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 24/6

09:55-21:07

2 stops19h 12m

Spokane

Thu 3/7

09:40-13:10

2 stops19h 30m

£647

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 11/6

13:45-23:14

2 stops41h 29m

Spokane

Wed 18/6

18:00-12:20

1 stop34h 20m

£664

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 9/6

07:25-18:01

2 stops17h 36m

Boise Air Term. Gowen Fld

Mon 30/6

08:30-08:20

1 stop16h 50m

£667

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 24/6

15:10-23:20

1 stop16h 10m

Spokane

Thu 3/7

15:10-14:40

1 stop15h 30m

£667

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 3/6

09:30-21:26

2 stops18h 56m

Boise Air Term. Gowen Fld

Wed 25/6

06:30-10:00

2 stops20h 30m

£691

LondonSpokane

LCY - GEG

LCYGEG

London City

Thu 12/6

07:45-18:50

2 stops19h 05m

Spokane

Thu 19/6

15:36-16:40

2 stops17h 04m

£710

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 60 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 29 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 29 April 2025.
To help decide which airline to fly from England to Idaho, see what other customers have to say about Delta, Air New Zealand and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 (£494), Lufthansa (£603), and Air New Zealand (£650).

  • 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 9 airlines flying from England to Idaho

Discover the top 9 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£490Average£670FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£531Average£861FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£534Average£804FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£538Average£648FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£577Average£790FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£594Average£704FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£611Average£832FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£637Average£796FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£660Average£710FlexibilityNo cancel feeOn-time77%
Search Air France 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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