How long is the flight from London to Idaho?

Airlines like United Airlines, Lufthansa, and Icelandair fly from London to Idaho in about 16h 42m. The time it takes to get you to your destination can typically vary by up to 2h 54m. The distance from London to Idaho is about 4667 mi. Both multi-stop and direct flights can be found to your destination and back.

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).

What are the most popular routes from London to Idaho?

While some choose either London Heathrow - Spokane or London Gatwick - Spokane, London Heathrow - Boise Air Term. Gowen Fld is the most popular route from London to Idaho.

What are the most popular airlines that fly from London to Idaho?

Consider United Airlines, Virgin Atlantic or Lufthansa when booking your flight. These represent the most popular airlines when flying from London to Idaho.

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

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

How can I find direct flights from London to Idaho?

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

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

Yes. Cheapflights offers flight deals from London 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.

£363+ Flights from London to Idaho

Q: How much does it cost for a return flight from London to Idaho?

Airfare is below average for this route at the moment. London to Idaho flights typically cost between £669 and £1,177 in February. The cheapest return flight price found within the last 3 days was £399 on United Airlines (2 Feb-8 Feb).

Cheap flight deals from London to Idaho

Enter your travel dates to find the best prices.

Cheapest flights from London to Idaho
Explore the most affordable flight options available from London to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Tue 9/1208:20LHR - GEG

1 stop16h 20mAmerican Airlines

Sun 14/1213:14GEG - LHR

1 stop35h 01mAmerican Airlines

Deal found 2/12£585

Thu 11/1214:10LHR - GEG

1 stop30h 20mAmerican Airlines

Sun 14/1213:14GEG - LHR

1 stop35h 01mAmerican Airlines

Deal found 2/12£614

Fri 12/1214:10LHR - GEG

1 stop30h 20mAmerican Airlines

Sun 14/1213:14GEG - LHR

1 stop35h 01mAmerican Airlines

Deal found 2/12£671

Tue 9/1208:20LHR - GEG

1 stop16h 20mAmerican Airlines

Mon 15/1215:05GEG - LHR

1 stop14h 10mAmerican Airlines

Deal found 2/12£710

Wed 31/1217:20LHR - GEG

1 stop35h 26mAir France

Wed 7/106:30GEG - LHR

1 stop16h 35mAir France

Deal found 4/12£737

Tue 9/1208:20LHR - GEG

1 stop16h 20mAmerican Airlines

Tue 16/1205:17GEG - LHR

1 stop19h 18mAmerican Airlines

Deal found 2/12£738

Thu 11/1208:20LHR - GEG

1 stop20h 37mAmerican Airlines

Mon 15/1215:05GEG - LHR

1 stop14h 10mAmerican Airlines

Deal found 2/12£740

Thu 11/1214:10LHR - GEG

1 stop30h 20mAmerican Airlines

Tue 16/1205:17GEG - LHR

1 stop19h 18mAmerican Airlines

Deal found 2/12£767

Thu 11/1208:20LHR - GEG

1 stop20h 37mMultiple Airlines

Wed 17/1207:15GEG - LHR

2 stops18h 15mMultiple Airlines

Deal found 2/12£772

Fri 12/1208:20LHR - GEG

1 stop16h 20mAmerican Airlines

Mon 15/1215:05GEG - LHR

1 stop14h 10mAmerican Airlines

Deal found 2/12£797

Wed 31/1211:05LHR - BOI

1 stop19h 48mDelta

Wed 7/105:45BOI - LHR

2 stops18h 20mDelta

Deal found 3/12£801

Thu 11/1216:30LHR - GEG

1 stop32h 10mIberia

Wed 17/1205:17GEG - LHR

1 stop20h 43mIberia

Deal found 2/12£824

Best flights from London to Idaho
Discover carefully curated flight deals from London to Idaho that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 December 2025.

Mon 2/207:40LHR - GEG

2 stops19h 36mUnited Airlines

Wed 11/211:25GEG - LHR

2 stops15h 40mUnited Airlines

Deal found 3/12£503

Wed 11/308:30LHR - GEG

2 stops19h 33mLufthansa

Wed 18/312:41GEG - LHR

2 stops17h 49mLufthansa

Deal found 2/12£504

Tue 10/311:55LGW - GEG

2 stops16h 42mIcelandair

Tue 17/312:00GEG - LGW

2 stops15h 55mIcelandair

Deal found 4/12£583

Tue 10/311:55LGW - GEG

2 stops16h 42mMultiple Airlines

Tue 17/312:00GEG - LGW

2 stops15h 55mMultiple Airlines

Deal found 3/12£636

Thu 19/208:20LHR - IDA

2 stops21h 47mAmerican Airlines

Mon 23/214:02IDA - LHR

2 stops37h 08mAmerican Airlines

Deal found 1/12£666

Sat 10/120:00LHR - SUN

2 stops23h 13mDelta

Sat 17/115:30SUN - LHR

2 stops21h 40mDelta

Deal found 3/12£789

Tue 10/306:35LHR - GEG

2 stops21h 43mUnited Airlines

Tue 17/307:02GEG - LHR

2 stops19h 38mUnited Airlines

Deal found 3/12£503

Fri 20/210:25LHR - BOI

1 stop33h 08mLufthansa

Mon 2/310:53BOI - LHR

1 stop18h 07mLufthansa

Deal found 3/12£510

Fri 27/211:10LHR - BOI

2 stops19h 38mUnited Airlines

Mon 9/314:40BOI - LHR

1 stop13h 00mUnited Airlines

Deal found 3/12£503

Fri 20/206:30LHR - BOI

2 stops21h 25mUnited Airlines

Mon 2/310:53BOI - LHR

1 stop13h 32mUnited Airlines

Deal found 3/12£504

Mon 20/409:15LCY - BOI

2 stops19h 21mLufthansa

Mon 27/412:00BOI - LCY

2 stops23h 35mLufthansa

Deal found 3/12£557

Mon 2/211:55LGW - GEG

2 stops17h 30mIcelandair

Wed 11/212:10GEG - LGW

2 stops14h 45mIcelandair

Deal found 3/12£615

Wed 11/206:30LHR - BOI

2 stops20h 21mUnited Airlines

Sun 15/208:41BOI - LHR

1 stop15h 44mUnited Airlines

Deal found 2/12£504

Mon 20/413:00LHR - BOI

1 stop32h 56mLufthansa

Mon 27/408:20BOI - LHR

1 stop19h 50mLufthansa

Deal found 4/12£575

Mon 20/415:40LGW - BOI

2 stops37h 41mIcelandair

Mon 27/417:30BOI - LGW

2 stops38h 10mIcelandair

Deal found 3/12£640

Mon 5/108:55LHR - IDA

2 stops44h 24mVirgin Atlantic

Sat 10/113:15IDA - LHR

2 stops35h 35mVirgin Atlantic

Deal found 4/12£1,432

Wed 11/308:30LHR - GEG

2 stops19h 33mUnited Airlines

Wed 18/313:43GEG - LHR

1 stop12h 57mUnited Airlines

Deal found 2/12£504

Sat 10/110:45LHR - SUN

1 stop18h 10mMultiple Airlines

Sat 17/112:55SUN - LHR

1 stop14h 05mMultiple Airlines

Deal found 3/12£789

Mon 4/515:40LGW - GEG

2 stops16h 33mIcelandair

Sun 10/511:35GEG - LGW

2 stops19h 05mIcelandair

Deal found 3/12£669

Tue 10/307:30LHR - GEG

2 stops20h 48mUnited Airlines

Wed 25/305:00GEG - LHR

1 stop21h 40mUnited Airlines

Deal found 2/12£504

Fri 16/113:30LHR - GEG

2 stops29h 14mUnited Airlines

Fri 23/112:24GEG - LHR

1 stop35h 01mUnited Airlines

Deal found 2/12£504

Wed 31/1208:40LCY - GEG

2 stops22h 36mDelta

Wed 7/106:30GEG - LCY

2 stops17h 40mDelta

Deal found 4/12£972

Thu 15/111:55LGW - GEG

2 stops17h 30mIcelandair

Mon 19/112:10GEG - LGW

2 stops14h 45mIcelandair

Deal found 3/12£737

Thu 12/306:35LHR - GEG

2 stops21h 43mUnited Airlines

Mon 23/305:00GEG - LHR

2 stops23h 15mUnited Airlines

Deal found 2/12£504

Wed 17/1220:05LCY - BOI

2 stops33h 18mKLM

Wed 31/1208:20BOI - LCY

2 stops18h 40mKLM

Deal found 4/12£2,139

Thu 12/306:35LHR - GEG

2 stops21h 43mUnited Airlines

Sat 21/307:02GEG - LHR

2 stops43h 38mUnited Airlines

Deal found 2/12£504

Fri 17/409:15LCY - JAC

2 stops42h 38mLufthansa

Tue 21/414:33JAC - LCY

2 stops21h 02mLufthansa

Deal found 1/12£813

Wed 11/211:55LGW - BOI

2 stops16h 10mIcelandair

Sun 15/211:54BOI - LGW

2 stops16h 01mIcelandair

Deal found 2/12£784

Tue 10/307:30LHR - GEG

2 stops20h 48mUnited Airlines

Tue 24/312:42GEG - LHR

1 stop35h 43mUnited Airlines

Deal found 2/12£504

Sun 18/112:00LHR - JAC

1 stop31h 58mLufthansa

Sun 25/115:27JAC - LHR

1 stop32h 58mLufthansa

Deal found 4/12£838

Last-minute flights from London to Idaho
Discover last-minute flight deals from London to Idaho. Data last updated 5 December 2025 and is based on user searches.

Sun 28/1210:45LHR - BOI

1 stop13h 54mDelta

Tue 13/113:40BOI - LHR

1 stop13h 50mDelta

Deal found 3/12£828

Sun 28/1213:25LHR - BOI

2 stops31h 11mAir Canada

Tue 13/106:10BOI - LHR

2 stops17h 20mAir Canada

Deal found 3/12£839

Wed 31/1217:20LHR - GEG

1 stop35h 26mAir France

Wed 7/106:30GEG - LHR

1 stop16h 35mAir France

Deal found 4/12£737

Wed 31/1211:05LHR - BOI

1 stop19h 48mDelta

Wed 7/105:45BOI - LHR

2 stops18h 20mDelta

Deal found 3/12£801

Sat 10/120:00LHR - SUN

2 stops23h 13mDelta

Sat 17/115:30SUN - LHR

2 stops21h 40mDelta

Deal found 3/12£789

Thu 15/111:35LHR - GEG

1 stop17h 47mUnited Airlines

Mon 19/105:00GEG - LHR

1 stop20h 40mUnited Airlines

Deal found 3/12£610

Thu 15/111:55LGW - GEG

2 stops17h 30mIcelandair

Mon 19/112:10GEG - LGW

2 stops14h 45mIcelandair

Deal found 3/12£737

Sun 18/113:25LHR - GEG

2 stops37h 51mMultiple Airlines

Sun 25/112:24GEG - LHR

1 stop35h 01mMultiple Airlines

Deal found 4/12£614

Sun 18/113:45LHR - GEG

1 stop37h 31mLufthansa

Sun 25/112:24GEG - LHR

1 stop35h 01mLufthansa

Deal found 4/12£618

Sun 18/110:25LHR - GEG

2 stops18h 57mUnited Airlines

Sun 25/111:25GEG - LHR

2 stops15h 25mUnited Airlines

Deal found 4/12£640

Sun 18/111:35LHR - JAC

1 stop34h 43mLufthansa

Sun 25/110:40JAC - LHR

2 stops26h 55mLufthansa

Deal found 4/12£838

Thu 22/107:40LHR - BOI

2 stops19h 11mUnited Airlines

Mon 26/109:48BOI - LHR

2 stops15h 07mUnited Airlines

Deal found 3/12£610

One-way flights from London to Idaho
Search for one-way flight options from London to Idaho. Find affordable one-way fares based on user searches. Data last updated 5 December 2025.

Thu 26/214:50LHR - GEG

2 stops17h 09mMultiple Airlines

Deal found 3/12£363

Wed 11/214:50LHR - BOI

2 stops15h 11mMultiple Airlines

Deal found 4/12£379

Mon 1/619:50LHR - BOI

3 stops31h 14mMultiple Airlines

Deal found 2/12£440

Sat 23/513:55LHR - GEG

3 stops51h 11mMultiple Airlines

Deal found 4/12£452

Thu 26/209:40LCY - GEG

2 stops19h 27mLufthansa

Deal found 3/12£466

Wed 11/212:20LHR - BOI

1 stop13h 08mVirgin Atlantic

Deal found 4/12£474

Fri 16/114:50LHR - JAC

3 stops51h 18mMultiple Airlines

Deal found 3/12£484

Mon 1/619:50LHR - SUN

3 stops44h 42mMultiple Airlines

Deal found 2/12£527

Sat 23/506:30LHR - GEG

2 stops20h 04mLufthansa

Deal found 4/12£528

Mon 4/507:25LHR - JAC

2 stops20h 37mLufthansa

Deal found 3/12£566

Mon 1/610:05LHR - BOI

1 stop20h 00mFinnair

Deal found 2/12£570

Mon 4/509:15LCY - JAC

2 stops18h 47mLufthansa

Deal found 3/12£576

Find flight deals from London to Idaho

Round-trip from	£399
One-way from	£363
Popular in	December
Cheapest in	September
Average price	£1,116

United Airlines
2/2-8/2
2 total stops
29h 20m total
London to Idaho

Search Deals

26/2
2 total stops
17h 09m total
London to Idaho

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£61 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 2/2

07:40-19:16

2 stops19h 36m

Spokane

Wed 11/2

11:25-11:05

2 stops15h 40m

£503

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 10/3

06:35-21:18

2 stops21h 43m

Spokane

Tue 17/3

07:02-09:40

2 stops19h 38m

£503

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 27/2

11:10-23:48

2 stops19h 38m

Boise Air Term. Gowen Fld

Mon 9/3

14:40-09:40

1 stop13h 00m

£503

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 20/2

06:30-20:55

2 stops21h 25m

Boise Air Term. Gowen Fld

Mon 2/3

10:53-07:25

1 stop13h 32m

£504

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/2

06:30-19:51

2 stops20h 21m

Boise Air Term. Gowen Fld

Sun 15/2

08:41-07:25

1 stop15h 44m

£504

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 11/3

08:30-21:03

2 stops19h 33m

Spokane

Wed 18/3

12:41-13:30

2 stops17h 49m

£504

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 11/3

08:30-21:03

2 stops19h 33m

Spokane

Wed 18/3

13:43-09:40

1 stop12h 57m

£504

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 10/3

07:30-21:18

2 stops20h 48m

Spokane

Wed 25/3

05:00-09:40

1 stop21h 40m

£504

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Fri 16/1

13:30-10:44

2 stops29h 14m

Spokane

Fri 23/1

12:24-07:25

1 stop35h 01m

£504

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 12/3

06:35-21:18

2 stops21h 43m

Spokane

Mon 23/3

05:00-11:15

2 stops23h 15m

£504

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 52 results

...

Best time to book a flight from London to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from London 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 London to Idaho

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

Currently, May is the cheapest month in which you can book a flight from London to Idaho (average of £541). Flying from London to Idaho in December is currently the most expensive (average of £684). 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 LON to ID?

A simple way to save on the total cost of your ticket is to fly from London to Idaho in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the morning.

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

Reviews of airlines servicing Idaho

Get a feel of what it's like to fly with KLM, Virgin Atlantic, andUnited Airlines from London to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.7

Good

1,430 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

KLM

7.7

Good

1,430 reviews

KLM

7.7

Good

1,430 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Virgin Atlantic

7.5

Good

675 reviews

KLM

7.7

Good

1,430 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

United Airlines

7.4

Good

9,066 reviews

KLM

7.7

Good

1,430 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Lufthansa

6.8

Okay

7,612 reviews

KLM

7.7

Good

1,430 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

British Airways

6.7

Okay

7,562 reviews

KLM

7.7

Good

1,430 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

How long is the flight from London to Idaho?
Airlines like United Airlines, Lufthansa, and Icelandair fly from London to Idaho in about 16h 42m. The time it takes to get you to your destination can typically vary by up to 2h 54m. The distance from London to Idaho is about 4667 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from London to Idaho?
While some choose either London Heathrow - Spokane or London Gatwick - Spokane, London Heathrow - Boise Air Term. Gowen Fld is the most popular route from London to Idaho.
Can I find deals for flights from London to Idaho that include hotel bookings?
Yes. In addition to deals on London to Idaho flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Idaho?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Idaho.
Can I find deals for business class flights from London to Idaho?
Yes. Cheapflights offers flight deals from London 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 London to Idaho?
Currently, May is the cheapest month in which you can book a flight from London to Idaho (average of £541). Flying from London to Idaho in December is currently the most expensive (average of £684). 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 London to Idaho

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Heathrow to Newark flights

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Gatwick to Miami flights

Heathrow to Hobby flights

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Heathrow to Atlanta flights

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Edinburgh to Newark flights

London City to Orlando flights

Gatwick to Dallas/Fort Worth flights

Stansted to Miami flights

Gatwick to San Francisco flights

Stansted to Los Angeles flights

London City to Boston flights

Heathrow to Ontario flights

Edinburgh to John F Kennedy Intl flights

Manchester to Newark flights

Luton to Los Angeles flights

Gatwick to Las Vegas flights

London City to San Francisco flights

Direct flights to United States

Top 3 airlines flying from London to Idaho

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£543	Average£852	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£546	Average£658	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£603	Average£849	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Idaho?

Deals for London 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 London to Idaho?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Idaho for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from London to Idaho with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from London to Idaho and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from London to Idaho from £363

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Idaho

Cheapest flights from London to IdahoExplore the most affordable flight options available from London to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Explore the most affordable flight options available from London to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Find flight deals from London to Idaho

Keep the following information in mind while searching for London to Idaho flight deals. Data was last updated 5 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from London to Idaho

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

Cheapflights Insights

Everything you need to know about your flight from London to Idaho

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

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

Find hourly flight availability from London 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 5 December 2025.

How much does it cost for a return flight from London 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 5 December 2025.

Get a feel of what it's like to fly with KLM, Virgin Atlantic, andUnited Airlines from London to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London 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 London to Idaho?

What are the most popular routes from London to Idaho?

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

How can I find direct flights from London to Idaho?

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

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

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Cheapest flights from London to Idaho
Explore the most affordable flight options available from London to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.