What are the cheapest airlines to fly from United Kingdom to Idaho one-way?

The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £590. However, be on the lookout for offers from Icelandair and Finnair, as they are both options that can get you from United Kingdom to Idaho for a low price.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 12 days in advance, which can save you up to 42% on flights from United Kingdom to Idaho compared to booking the week you need them. Waiting 12 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £622. For sooner than that we have options available in the next 3 days from £1,164.

What is the cheapest month to fly from United Kingdom to Idaho?

November can be a great time to fly to Idaho from United Kingdom with a flight ticket averaging about £768. Cheapflights users have found deals in the month of November for as cheap as £555. The most expensive prices can be found in the month of August.

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

Yes. In addition to deals on United Kingdom to Idaho flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Idaho?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Idaho.

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

Yes. Cheapflights offers flight deals from United Kingdom 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.

£790+ Flights from the United Kingdom to Idaho

Cheap flight deals from United Kingdom to Idaho

Round-trip from	£575
One-way from	£359

Finnair
2/2-15/2
3 total stops
51h 12m total
United Kingdom to Idaho

Search Deals

6/2
1 total stop
32h 22m total
United Kingdom to Idaho

Search Deals

Find flight deals from United Kingdom to Idaho

Cheapest flights from United Kingdom to Idaho
Explore the most affordable flight options available from United Kingdom to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 1월 2025.

일 2/211:25LHR - JAC

2 stops31h 42mFinnair

토 15/213:30JAC - LHR

1 stop19h 30mFinnair

Deal found 21/1£575

목 20/209:30LHR - BOI

2 stops19h 29mLufthansa

목 27/212:10BOI - LHR

1 stop16h 05mLufthansa

Deal found 21/1£578

목 20/212:30LHR - BOI

1 stop17h 29mFinnair

목 27/207:05BOI - LHR

1 stop22h 00mFinnair

Deal found 21/1£594

금 7/308:55LHR - GEG

2 stops22h 49mUnited Airlines

금 14/306:00GEG - LHR

2 stops24h 30mUnited Airlines

Deal found 21/1£613

금 28/208:30LHR - BOI

2 stops21h 15mUnited Airlines

금 7/312:50BOI - LHR

2 stops17h 40mUnited Airlines

Deal found 21/1£617

화 2/914:20LHR - BOI

1 stop15h 39mIberia

금 12/913:41BOI - LHR

1 stop14h 09mIberia

Deal found 21/1£650

목 20/209:20LCY - BOI

2 stops21h 38mVirgin Atlantic

목 27/210:35BOI - LCY

2 stops38h 35mVirgin Atlantic

Deal found 21/1£688

화 2/906:15LHR - BOI

2 stops20h 05mVirgin Atlantic

금 12/907:15BOI - LHR

2 stops19h 10mVirgin Atlantic

Deal found 21/1£707

토 8/307:15MAN - GEG

2 stops18h 15mUnited Airlines

토 15/318:30GEG - MAN

2 stops37h 25mUnited Airlines

Deal found 22/1£728

토 15/209:10LHR - BOI

2 stops20h 52mDelta

토 15/311:15BOI - LHR

1 stop16h 45mDelta

Deal found 20/1£743

수 19/307:40LHR - JAC

2 stops19h 24mMultiple Airlines

목 27/315:17JAC - LHR

1 stop14h 43mMultiple Airlines

Deal found 21/1£744

수 14/507:30LHR - JAC

2 stops20h 47mLufthansa

수 21/507:00JAC - LHR

2 stops16h 55mLufthansa

Deal found 21/1£747

Best flights from United Kingdom to Idaho
Discover carefully curated flight deals from United Kingdom to Idaho that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 1월 2025.

일 2/211:25LHR - JAC

2 stops31h 42mFinnair

토 15/213:30JAC - LHR

1 stop19h 30mFinnair

Deal found 21/1£575

목 20/209:30LHR - BOI

2 stops19h 29mLufthansa

목 27/212:10BOI - LHR

1 stop16h 05mLufthansa

Deal found 21/1£578

금 7/308:55LHR - GEG

2 stops22h 49mUnited Airlines

금 14/306:00GEG - LHR

2 stops24h 30mUnited Airlines

Deal found 21/1£613

목 20/209:20LCY - BOI

2 stops21h 38mVirgin Atlantic

목 27/210:35BOI - LCY

2 stops38h 35mVirgin Atlantic

Deal found 21/1£688

토 15/212:10LHR - BOI

1 stop16h 40mIberia

토 15/313:36BOI - LHR

1 stop34h 44mIberia

Deal found 21/1£736

토 15/209:10LHR - BOI

2 stops20h 52mDelta

토 15/311:15BOI - LHR

1 stop16h 45mDelta

Deal found 20/1£743

수 19/307:40LHR - JAC

2 stops19h 24mMultiple Airlines

목 27/315:17JAC - LHR

1 stop14h 43mMultiple Airlines

Deal found 21/1£744

금 27/609:20LHR - BOI

1 stop20h 13mKLM

토 12/714:35BOI - LHR

1 stop15h 55mKLM

Deal found 21/1£797

금 27/615:40LGW - BOI

2 stops37h 40mIcelandair

토 12/717:00BOI - LGW

2 stops14h 40mIcelandair

Deal found 21/1£816

금 28/206:40LHR - BOI

2 stops22h 41mScandinavian Airlines

일 23/307:15BOI - LHR

3 stops29h 35mScandinavian Airlines

Deal found 21/1£923

목 20/212:30LHR - BOI

1 stop17h 29mFinnair

목 27/207:05BOI - LHR

1 stop22h 00mFinnair

Deal found 21/1£594

금 28/208:30LHR - BOI

2 stops21h 15mUnited Airlines

금 7/312:50BOI - LHR

2 stops17h 40mUnited Airlines

Deal found 21/1£617

Last-minute flights from United Kingdom to Idaho
Discover last-minute flight deals from United Kingdom to Idaho. Data last updated 22 1월 2025 and is based on user searches.

일 2/211:25LHR - JAC

2 stops31h 42mFinnair

토 15/213:30JAC - LHR

1 stop19h 30mFinnair

Deal found 21/1£575

일 2/206:50LHR - JAC

2 stops21h 30mLufthansa

토 15/210:50JAC - LHR

2 stops14h 05mLufthansa

Deal found 21/1£810

일 2/210:45LHR - JAC

1 stop15h 17mVirgin Atlantic

토 15/214:28JAC - LHR

1 stop13h 07mVirgin Atlantic

Deal found 21/1£813

토 15/212:10LHR - BOI

1 stop16h 40mIberia

토 15/313:36BOI - LHR

1 stop34h 44mIberia

Deal found 21/1£736

토 15/209:10LHR - BOI

2 stops20h 52mDelta

토 15/311:15BOI - LHR

1 stop16h 45mDelta

Deal found 20/1£743

목 20/209:30LHR - BOI

2 stops19h 29mLufthansa

목 27/212:10BOI - LHR

1 stop16h 05mLufthansa

Deal found 21/1£578

목 20/212:30LHR - BOI

1 stop17h 29mFinnair

목 27/207:05BOI - LHR

1 stop22h 00mFinnair

Deal found 21/1£594

목 20/209:20LCY - BOI

2 stops21h 38mVirgin Atlantic

목 27/210:35BOI - LCY

2 stops38h 35mVirgin Atlantic

Deal found 21/1£688

목 20/211:55LGW - BOI

2 stops17h 46mMultiple Airlines

목 27/209:40BOI - LGW

2 stops18h 15mMultiple Airlines

Deal found 21/1£947

금 28/208:30LHR - BOI

2 stops21h 15mUnited Airlines

금 7/312:50BOI - LHR

2 stops17h 40mUnited Airlines

Deal found 21/1£617

금 28/206:40LHR - BOI

2 stops22h 41mScandinavian Airlines

일 23/307:15BOI - LHR

3 stops29h 35mScandinavian Airlines

Deal found 21/1£923

금 28/206:40LHR - BOI

3 stops24h 19mMultiple Airlines

일 9/307:15BOI - LHR

2 stops28h 25mMultiple Airlines

Deal found 22/1£1,013

One-way flights from United Kingdom to Idaho
Search for one-way flight options from United Kingdom to Idaho. Find affordable one-way fares based on user searches. Data last updated 22 1월 2025.

목 6/212:00LGW - BOI

1 stop32h 22mMultiple Airlines

Deal found 21/1£359

목 6/220:50LHR - BOI

3 stops58h 08mMultiple Airlines

Deal found 21/1£396

토 3/514:10LHR - GEG

2 stops16h 39mWestJet

Deal found 21/1£590

일 2/220:40LHR - BOI

2 stops31h 14mIcelandair

Deal found 21/1£616

월 27/108:20LHR - BOI

1 stop20h 32mFinnair

Deal found 21/1£627

화 22/412:20LHR - BOI

1 stop16h 23mAir New Zealand

Deal found 21/1£628

토 15/311:40LGW - GEG

2 stops28h 02mMultiple Airlines

Deal found 21/1£656

금 14/307:30LHR - GEG

2 stops16h 27mMultiple Airlines

Deal found 21/1£659

토 21/614:50LHR - BOI

1 stop13h 26mLufthansa

Deal found 21/1£659

화 28/111:55LGW - BOI

2 stops15h 57mIcelandair

Deal found 21/1£673

월 7/421:25LHR - GEG

2 stops31h 36mIcelandair

Deal found 20/1£694

금 14/313:45LHR - GEG

1 stop16h 59mLufthansa

Deal found 21/1£708

Find flights from United Kingdom to Idaho within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonJackson

LHR - JAC

LHRJAC

London Heathrow

일 2/2

11:25-12:07

2 stops31h 42m

Jackson Hole

토 15/2

13:30-16:00

1 stop19h 30m

£575

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

목 20/2

09:30-21:59

2 stops19h 29m

Boise Air Term. Gowen Fld

목 27/2

12:10-11:15

1 stop16h 05m

£578

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

목 20/2

12:30-22:59

1 stop17h 29m

Boise Air Term. Gowen Fld

목 27/2

07:05-12:05

1 stop22h 00m

£594

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

금 7/3

08:55-23:44

2 stops22h 49m

Spokane

금 14/3

06:00-13:30

2 stops24h 30m

£613

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

금 28/2

08:30-22:45

2 stops21h 15m

Boise Air Term. Gowen Fld

금 7/3

12:50-13:30

2 stops17h 40m

£617

LondonBoise

LCY - BOI

LCYBOI

London City

목 20/2

09:20-23:58

2 stops21h 38m

Boise Air Term. Gowen Fld

목 27/2

10:35-08:10

2 stops38h 35m

£688

ManchesterSpokane

MAN - GEG

MANGEG

Manchester

토 8/3

07:15-17:30

2 stops18h 15m

Spokane

토 15/3

18:30-14:55

2 stops37h 25m

£728

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

토 15/2

12:10-21:50

1 stop16h 40m

Boise Air Term. Gowen Fld

토 15/3

13:36-06:20

1 stop34h 44m

£736

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

토 15/2

09:10-23:02

2 stops20h 52m

Boise Air Term. Gowen Fld

토 15/3

11:15-10:00

1 stop16h 45m

£743

LondonJackson

LHR - JAC

LHRJAC

London Heathrow

수 19/3

07:40-21:04

2 stops19h 24m

Jackson Hole

목 27/3

15:17-12:00

1 stop14h 43m

£744

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 47 results

...

Best time to book a flight from United Kingdom to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from United Kingdom 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.

Travel insights for flights from United Kingdom to Idaho

Get recent, data-driven insights about flights from United Kingdom to Idaho including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from United Kingdom to Idaho (average of £754). Flying from United Kingdom 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 GB to ID?

When flying from United Kingdom 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

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

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

See what other customers who have flown with Lufthansa, Virgin Atlantic and Icelandair from United Kingdom to Idaho have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

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

Delta

8.0

Very Good

8,521 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

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

Air New Zealand

7.9

Good

483 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

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

KLM

7.8

Good

1,341 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

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

Finnair

7.6

Good

1,286 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

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

Virgin Atlantic

7.5

Good

664 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

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

Related info for your journey

What are the cheapest airlines to fly from United Kingdom to Idaho one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £590. However, be on the lookout for offers from Icelandair and Finnair, as they are both options that can get you from United Kingdom to Idaho for a low price.
Can I find deals for flights from United Kingdom to Idaho that include hotel bookings?
Yes. In addition to deals on United Kingdom to Idaho flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Idaho?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Idaho.
Can I find deals for business class flights from United Kingdom to Idaho?
Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Idaho?
Currently, October is the cheapest month in which you can book a flight from United Kingdom to Idaho (average of £754). Flying from United Kingdom 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 United Kingdom to Idaho

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Heathrow to Ontario flights

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Direct flights to United States

Find a return flight route from Idaho

Boise to Heathrow flights

Boise to Gatwick flights

Spokane to Heathrow flights

Spokane to Gatwick flights

Spokane to Edinburgh flights

Spokane to Manchester flights

Boise to Edinburgh flights

Boise to Manchester flights

Jackson to Heathrow flights

Spokane to Glasgow Intl flights

Lewiston to Heathrow flights

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Jackson to Leeds flights

Spokane to Southampton flights

Top 8 airlines flying from United Kingdom to Idaho

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£535	Average£839	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
United Airlines	Cheapest£576	Average£751	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£579	Average£1,020	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Lufthansa	Cheapest£587	Average£731	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£625	Average£832	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Iberia	Cheapest£648	Average£768	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£666	Average£872	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Icelandair	Cheapest£680	Average£868	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Idaho?

Deals for United Kingdom 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 United Kingdom to Idaho?

Cheapflights helps you find that perfect flight to Idaho from United Kingdom by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Idaho from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for United Kingdom to Idaho flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from the United Kingdom to Idaho from £359

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Idaho

Round-trip from

One-way from

Find flight deals from United Kingdom to Idaho

Cheapest flights from United Kingdom to IdahoExplore the most affordable flight options available from United Kingdom to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 1월 2025.

Explore the most affordable flight options available from United Kingdom to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 1월 2025.

Find flights from United Kingdom to Idaho within your budget

Best time to book a flight from United Kingdom to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from United Kingdom with our price prediction graph.

Travel insights for flights from United Kingdom to Idaho

Get recent, data-driven insights about flights from United Kingdom to Idaho including ideal travel times, pricing trends, and more.

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

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

Find hourly flight availability from United Kingdom 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 1월 2025.

Rainfall in Idaho by month

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

Temperature in Idaho by month

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

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 1월 2025.

See what other customers who have flown with Lufthansa, Virgin Atlantic and Icelandair from United Kingdom to Idaho have to say. 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 United Kingdom 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 United Kingdom to Idaho one-way?

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

How can I find direct flights from United Kingdom to Idaho?

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

What is the cheapest month to book a flight from United Kingdom 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 United Kingdom to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from United Kingdom 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 United Kingdom to Idaho?

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

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

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

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Cheapest flights from United Kingdom to Idaho
Explore the most affordable flight options available from United Kingdom to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 1월 2025.