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 Lufthansa (£568), Icelandair (£753), and Finnair (£785).

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.

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).

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

Find a great deal and save up to 18% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from England to Idaho within the next two weeks, with the cheapest ticket starting at £617.

What is the cheapest month to fly from England to Idaho?

Flights from England to Idaho lean towards being more expensive in August. Prices are generally better when you fly from England to Idaho in November, with the cheapest ticket starting at £506.

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.

£349+ Flights from England to Idaho

Cheap flight deals from England to Idaho

Round-trip from	£517
One-way from	£349
Popular in	August
Cheapest in	November
Average price	£862

United Airlines
24/9-28/9
4 total stops
58h 45m total
England to Idaho

Search Deals

18/9
2 total stops
53h 34m total
England to Idaho

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£89 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 4 July 2025.

Wed 24/913:45LHR - GEG

2 stops41h 30mUnited Airlines

Sun 28/905:15GEG - LHR

2 stops17h 15mUnited Airlines

Deal found 30/6£517

Wed 24/908:25LHR - GEG

2 stops18h 52mAmerican Airlines

Sun 28/913:30GEG - LHR

1 stop35h 40mAmerican Airlines

Deal found 2/7£519

Wed 24/914:50LHR - GEG

1 stop14h 13mLufthansa

Sun 28/912:35GEG - LHR

1 stop13h 50mLufthansa

Deal found 2/7£542

Wed 24/908:40LCY - GEG

2 stops20h 31mVirgin Atlantic

Sun 28/914:23GEG - LCY

2 stops34h 27mVirgin Atlantic

Deal found 1/7£582

Wed 24/907:45LCY - GEG

2 stops19h 00mDelta

Sun 28/913:18GEG - LCY

2 stops19h 22mDelta

Deal found 2/7£609

Sun 7/912:05LHR - BOI

2 stops17h 36mUnited Airlines

Sat 20/907:00BOI - LHR

2 stops16h 45mUnited Airlines

Deal found 2/7£618

Thu 28/810:45LGW - BOI

1 stop19h 09mMultiple Airlines

Sat 6/920:27BOI - LGW

1 stop31h 28mMultiple Airlines

Deal found 2/7£618

Fri 5/914:50LHR - BOI

1 stop13h 25mLufthansa

Sat 20/912:27BOI - LHR

1 stop12h 53mLufthansa

Deal found 2/7£621

Sat 6/908:40LCY - BOI

2 stops21h 14mMultiple Airlines

Sat 20/908:10BOI - LCY

2 stops22h 05mMultiple Airlines

Deal found 2/7£626

Fri 21/1118:00LHR - BOI

2 stops24h 39mMultiple Airlines

Sun 30/1106:15BOI - LHR

2 stops17h 15mMultiple Airlines

Deal found 3/7£628

Fri 5/906:10LHR - BOI

2 stops22h 38mAmerican Airlines

Sun 21/913:07BOI - LHR

2 stops33h 43mAmerican Airlines

Deal found 2/7£641

Wed 17/914:15MAN - GEG

2 stops29h 40mDelta

Sun 21/922:58GEG - MAN

2 stops30h 27mDelta

Deal found 3/7£645

Best flights from England to Idaho
Discover carefully curated flight deals from England to Idaho that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 July 2025.

Wed 24/913:45LHR - GEG

2 stops41h 30mUnited Airlines

Sun 28/905:15GEG - LHR

2 stops17h 15mUnited Airlines

Deal found 30/6£517

Wed 24/908:25LHR - GEG

2 stops18h 52mAmerican Airlines

Sun 28/913:30GEG - LHR

1 stop35h 40mAmerican Airlines

Deal found 2/7£519

Wed 24/914:50LHR - GEG

1 stop14h 13mLufthansa

Sun 28/912:35GEG - LHR

1 stop13h 50mLufthansa

Deal found 2/7£542

Wed 24/909:20LCY - GEG

2 stops17h 25mDelta

Sun 28/919:25GEG - LCY

2 stops37h 15mDelta

Deal found 30/6£580

Wed 24/908:40LCY - GEG

2 stops20h 31mVirgin Atlantic

Sun 28/914:23GEG - LCY

2 stops34h 27mVirgin Atlantic

Deal found 1/7£582

Thu 28/810:45LGW - BOI

1 stop19h 09mMultiple Airlines

Sat 6/920:27BOI - LGW

1 stop31h 28mMultiple Airlines

Deal found 2/7£618

Sun 17/812:00LHR - GEG

1 stop18h 36mIberia

Sun 24/812:27GEG - LHR

1 stop33h 58mIberia

Deal found 3/7£648

Tue 9/919:10BHX - BOI

2 stops34h 47mScandinavian Airlines

Tue 30/915:45BOI - BHX

2 stops19h 50mScandinavian Airlines

Deal found 3/7£654

Sun 17/809:15LHR - GEG

1 stop35h 07mBritish Airways

Sun 24/813:08GEG - LHR

1 stop34h 12mBritish Airways

Deal found 3/7£677

Wed 27/809:30LHR - BOI

2 stops19h 51mAir Canada

Fri 5/907:45BOI - LHR

2 stops21h 05mAir Canada

Deal found 3/7£680

Mon 18/808:20LHR - BOI

1 stop20h 23mFinnair

Thu 28/807:00BOI - LHR

2 stops16h 20mFinnair

Deal found 3/7£695

Sat 6/913:00LGW - BOI

2 stops16h 40mIcelandair

Sat 20/916:34BOI - LGW

2 stops15h 06mIcelandair

Deal found 2/7£704

Last-minute flights from England to Idaho
Discover last-minute flight deals from England to Idaho. Data last updated 4 July 2025 and is based on user searches.

Thu 10/711:25LHR - BOI

1 stop13h 42mMultiple Airlines

Thu 7/808:30BOI - LHR

1 stop14h 50mMultiple Airlines

Deal found 2/7£772

Thu 10/708:00LHR - BOI

2 stops22h 31mLufthansa

Thu 24/707:00BOI - LHR

2 stops17h 15mLufthansa

Deal found 2/7£772

Thu 10/711:25LHR - BOI

1 stop13h 42mUnited Airlines

Thu 7/810:45BOI - LHR

2 stops14h 35mUnited Airlines

Deal found 2/7£784

Thu 10/712:00LGW - BOI

2 stops19h 09mDelta

Thu 7/808:50BOI - LGW

2 stops18h 10mDelta

Deal found 2/7£799

Thu 10/710:45LGW - BOI

2 stops39h 07mMultiple Airlines

Thu 7/818:51BOI - LGW

1 stop33h 04mMultiple Airlines

Deal found 2/7£869

Thu 10/721:05LHR - BOI

3 stops28h 54mScandinavian Airlines

Thu 7/815:43BOI - LHR

2 stops19h 47mScandinavian Airlines

Deal found 2/7£1,048

Thu 10/708:45LCY - BOI

3 stops21h 07mMultiple Airlines

Thu 7/814:39BOI - LCY

2 stops20h 56mMultiple Airlines

Deal found 2/7£1,234

Thu 10/710:00LCY - BOI

2 stops17h 20mVirgin Atlantic

Thu 7/816:20BOI - LCY

2 stops18h 00mVirgin Atlantic

Deal found 2/7£1,328

Thu 10/710:30LHR - BOI

1 stop19h 46mFinnair

Thu 31/707:16BOI - LHR

1 stop18h 44mFinnair

Deal found 3/7£9,476

Fri 11/715:40LGW - BOI

2 stops38h 06mIcelandair

Fri 25/720:46BOI - LGW

2 stops31h 59mIcelandair

Deal found 2/7£1,331

Sun 17/809:55LHR - GEG

1 stop20h 30mMultiple Airlines

Sun 24/806:25GEG - LHR

1 stop24h 10mMultiple Airlines

Deal found 3/7£605

Sun 17/812:00LHR - GEG

1 stop18h 36mIberia

Sun 24/812:27GEG - LHR

1 stop33h 58mIberia

Deal found 3/7£648

One-way flights from England to Idaho
Search for one-way flight options from England to Idaho. Find affordable one-way fares based on user searches. Data last updated 4 July 2025.

Thu 18/915:05LHR - BOI

2 stops53h 34mMultiple Airlines

Deal found 3/7£349

Fri 17/1020:05LHR - GEG

3 stops36h 13mMultiple Airlines

Deal found 2/7£431

Mon 15/922:15LHR - JAC

3 stops44h 44mMultiple Airlines

Deal found 2/7£522

Thu 11/907:30LHR - BOI

2 stops17h 29mLufthansa

Deal found 2/7£568

Thu 10/706:55LHR - GEG

2 stops18h 32mLufthansa

Deal found 2/7£599

Thu 18/908:45LCY - BOI

2 stops20h 56mLufthansa

Deal found 3/7£639

Thu 10/708:45LCY - GEG

2 stops20h 18mMultiple Airlines

Deal found 2/7£651

Fri 19/908:55LCY - JAC

2 stops16h 37mLufthansa

Deal found 2/7£654

Fri 19/911:05LHR - JAC

1 stop14h 27mLufthansa

Deal found 2/7£664

Tue 8/708:45LCY - GEG

2 stops22h 23mLufthansa

Deal found 2/7£694

Wed 15/1015:40LGW - BOI

2 stops38h 18mIcelandair

Deal found 2/7£753

Sat 9/812:00LHR - BOI

1 stop16h 43mFinnair

Deal found 3/7£785

Cheapflights Fare Finder

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

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 24/9

13:45-23:15

2 stops41h 30m

Spokane

Sun 28/9

12:35-07:25

1 stop34h 50m

£517

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 24/9

08:25-19:17

2 stops18h 52m

Spokane

Sun 28/9

13:30-09:10

1 stop35h 40m

£519

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 24/9

14:50-21:03

1 stop14h 13m

Spokane

Sun 28/9

12:35-10:25

1 stop13h 50m

£542

LondonSpokane

LCY - GEG

LCYGEG

London City

Wed 24/9

08:40-21:11

2 stops20h 31m

Spokane

Sun 28/9

14:23-08:50

2 stops34h 27m

£582

LondonSpokane

LCY - GEG

LCYGEG

London City

Wed 24/9

07:45-18:45

2 stops19h 00m

Spokane

Sun 28/9

13:18-16:40

2 stops19h 22m

£609

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Thu 28/8

10:45-22:54

1 stop19h 09m

Boise Air Term. Gowen Fld

Sat 6/9

20:27-10:55

1 stop31h 28m

£618

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 7/9

12:05-22:41

2 stops17h 36m

Boise Air Term. Gowen Fld

Sat 20/9

07:45-07:25

1 stop16h 40m

£618

LondonBoise

LCY - BOI

LCYBOI

London City

Sat 6/9

08:40-22:54

2 stops21h 14m

Boise Air Term. Gowen Fld

Sat 20/9

08:10-13:15

2 stops22h 05m

£626

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 21/11

18:00-11:39

2 stops24h 39m

Boise Air Term. Gowen Fld

Sun 30/11

06:15-06:30

2 stops17h 15m

£628

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 24/10

08:30-21:24

2 stops19h 54m

Boise Air Term. Gowen Fld

Mon 3/11

14:31-20:35

2 stops23h 04m

£639

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 57 results

...

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?

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.

How much does it cost for a return flight from England to Idaho?

Reviews of airlines servicing Idaho

Read through reviews of airlines operating flights from England to Idaho, such as Delta, Alaska Airlines, andKLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,970 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Alaska Airlines

8.0

Very Good

10,000 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,363 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,304 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

SWISS

7.5

Good

1,654 reviews

Delta

8.0

Very Good

7,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 Lufthansa (£568), Icelandair (£753), and Finnair (£785).
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

Alternative routes for England to Idaho

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Direct flights to United States

Find a return flight route from Idaho

Boise to Heathrow flights

Spokane to Heathrow flights

Boise to Gatwick flights

Spokane to Gatwick flights

Boise to Edinburgh flights

Spokane to Edinburgh flights

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Spokane to Southampton flights

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Jackson to Manchester flights

Top 9 airlines flying from England to Idaho

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£509	Average£675	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£522	Average£728	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£526	Average£782	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£527	Average£633	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Iberia	Cheapest£583	Average£692	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Virgin Atlantic	Cheapest£593	Average£821	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£604	Average£829	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Icelandair	Cheapest£625	Average£769	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air France	Cheapest£645	Average£720	FlexibilityNo cancel fee	On-time77%	Search Air France flights

Fly with Cheapflights

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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Cheap flights from England to Idaho from £349

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 4 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from England to Idaho

Cheapest flights from England to IdahoExplore 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 4 July 2025.

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 4 July 2025.

Cheapflights Fare Finder

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

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.

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?

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 4 July 2025.

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 4 July 2025.

Read through reviews of airlines operating flights from England to Idaho, such as Delta, Alaska Airlines, andKLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

Can I find deals for flights from England to Idaho that include hotel bookings?

How can I find direct flights from England to Idaho?

Can I find deals for business class flights from England to Idaho?

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

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

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?

Why should you use Cheapflights to find cheap flight tickets from England to Idaho?

Can Cheapflights find flights from England to Idaho with no change fees?

Can Cheapflights notify me if prices for flights from England to Idaho become cheaper?

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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 4 July 2025.