How long is the flight from London to Idaho?

Airlines like United Airlines, Icelandair, and Lufthansa fly from London to Idaho in about 16h 04m. The time it takes to get you to your destination can typically vary by up to 16h 25m. 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 cheapest airlines to fly from London to Idaho one-way?

£495 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Lufthansa and United Airlines, with prices starting from £557 and £562, respectively.

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 Gatwick - Boise Air Term. Gowen Fld or London City - Boise Air Term. Gowen Fld, 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.

£286+ Cheap 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 £625 and £750 in December. The cheapest return flight price found within the last 3 days was £535 on United Airlines (8 Dec-15 Dec).

Find 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 24 October 2025.

Wed 19/1109:00LHR - GEG

2 stops22h 29mUnited Airlines

Wed 26/1111:25GEG - LHR

2 stops35h 15mUnited Airlines

Deal found 22/10£532

Mon 8/1207:40LHR - BOI

2 stops33h 19mUnited Airlines

Mon 15/1208:15BOI - LHR

1 stop14h 40mUnited Airlines

Deal found 22/10£535

Wed 19/1111:35LHR - GEG

1 stop17h 10mLufthansa

Wed 26/1106:00GEG - LHR

1 stop17h 25mLufthansa

Deal found 22/10£545

Mon 8/1211:35LHR - BOI

1 stop13h 32mLufthansa

Mon 15/1214:49BOI - LHR

1 stop11h 51mLufthansa

Deal found 21/10£547

Mon 8/1218:00LHR - BOI

2 stops35h 45mMultiple Airlines

Mon 15/1214:49BOI - LHR

1 stop11h 51mMultiple Airlines

Deal found 21/10£550

Fri 5/1206:35LHR - GEG

2 stops22h 24mLufthansa

Sun 7/1212:33GEG - LHR

1 stop34h 52mLufthansa

Deal found 22/10£568

Fri 5/1206:35LHR - GEG

2 stops22h 24mUnited Airlines

Sun 7/1213:47GEG - LHR

2 stops22h 48mUnited Airlines

Deal found 22/10£573

Mon 8/1218:00LHR - BOI

2 stops26h 39mAir Canada

Mon 15/1206:20BOI - LHR

2 stops17h 10mAir Canada

Deal found 21/10£588

Sun 7/1208:30LHR - BOI

2 stops21h 15mUnited Airlines

Sun 14/1217:25BOI - LHR

2 stops20h 55mUnited Airlines

Deal found 23/10£593

Sat 6/1206:35LHR - GEG

2 stops22h 24mUnited Airlines

Sat 13/1216:10GEG - LHR

2 stops20h 25mUnited Airlines

Deal found 22/10£595

Fri 5/1208:30LHR - BOI

2 stops21h 15mUnited Airlines

Fri 12/1219:11BOI - LHR

2 stops18h 24mUnited Airlines

Deal found 21/10£598

Mon 17/1111:35LHR - BOI

1 stop16h 46mLufthansa

Mon 24/1114:31BOI - LHR

1 stop12h 09mLufthansa

Deal found 21/10£601

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 24 October 2025.

Wed 19/1109:00LHR - GEG

2 stops22h 29mUnited Airlines

Wed 26/1112:45GEG - LHR

1 stop34h 40mUnited Airlines

Deal found 22/10£532

Wed 19/1111:35LHR - GEG

1 stop17h 10mLufthansa

Wed 26/1106:00GEG - LHR

1 stop17h 25mLufthansa

Deal found 22/10£545

Mon 2/309:50LCY - GEG

2 stops19h 17mMultiple Airlines

Mon 9/306:05GEG - LCY

2 stops23h 45mMultiple Airlines

Deal found 22/10£559

Tue 10/311:55LGW - GEG

2 stops16h 04mIcelandair

Tue 17/312:00GEG - LGW

2 stops15h 55mIcelandair

Deal found 23/10£586

Tue 10/308:40LCY - GEG

2 stops21h 36mVirgin Atlantic

Tue 17/313:30GEG - LCY

2 stops20h 05mVirgin Atlantic

Deal found 22/10£662

Sat 22/1106:20LHR - IDA

2 stops18h 57mDelta

Wed 26/1118:57IDA - LHR

2 stops18h 13mDelta

Deal found 23/10£753

Thu 20/1106:20LHR - IDA

2 stops18h 57mAir France

Thu 27/1106:00IDA - LHR

2 stops17h 50mAir France

Deal found 23/10£754

Mon 8/1207:40LHR - BOI

2 stops33h 19mUnited Airlines

Mon 15/1206:20BOI - LHR

2 stops16h 35mUnited Airlines

Deal found 22/10£535

Fri 27/312:35LHR - JAC

1 stop29h 28mAmerican Airlines

Tue 31/316:11JAC - LHR

1 stop15h 14mAmerican Airlines

Deal found 22/10£1,156

Mon 2/309:00LHR - GEG

2 stops20h 07mUnited Airlines

Mon 9/307:00GEG - LHR

1 stop17h 25mUnited Airlines

Deal found 22/10£536

Fri 5/1218:15LCY - GEG

2 stops32h 29mLufthansa

Sun 7/1213:47GEG - LCY

2 stops43h 53mLufthansa

Deal found 22/10£625

Mon 20/415:40LGW - BOI

2 stops37h 41mIcelandair

Mon 27/417:30BOI - LGW

2 stops38h 10mIcelandair

Deal found 22/10£626

Tue 11/1111:55LGW - BOI

2 stops29h 34mMultiple Airlines

Mon 24/1118:00BOI - LGW

2 stops33h 55mMultiple Airlines

Deal found 21/10£643

Tue 10/306:35LHR - GEG

2 stops21h 45mUnited Airlines

Tue 17/306:05GEG - LHR

2 stops17h 15mUnited Airlines

Deal found 23/10£538

Mon 2/311:55LGW - GEG

2 stops15h 49mIcelandair

Mon 9/312:00GEG - LGW

2 stops15h 55mIcelandair

Deal found 22/10£628

Wed 11/206:30LHR - BOI

2 stops20h 21mUnited Airlines

Tue 17/208:41BOI - LHR

1 stop15h 44mUnited Airlines

Deal found 22/10£541

Mon 8/1208:40LCY - BOI

2 stops22h 29mVirgin Atlantic

Mon 15/1205:35BOI - LCY

2 stops28h 45mVirgin Atlantic

Deal found 24/10£730

Mon 8/1211:55LGW - BOI

2 stops16h 50mMultiple Airlines

Tue 16/1211:45BOI - LGW

2 stops16h 10mMultiple Airlines

Deal found 23/10£673

Thu 20/1106:20LHR - IDA

2 stops18h 57mDelta

Thu 27/1106:00IDA - LHR

2 stops17h 20mDelta

Deal found 23/10£754

Mon 20/409:15LCY - BOI

2 stops19h 01mLufthansa

Mon 27/408:40BOI - LCY

2 stops17h 00mLufthansa

Deal found 22/10£706

Wed 11/206:30LHR - BOI

2 stops20h 21mUnited Airlines

Mon 16/213:27BOI - LHR

1 stop15h 33mUnited Airlines

Deal found 21/10£543

Mon 2/311:55LGW - BOI

2 stops17h 25mIcelandair

Sun 15/313:30BOI - LGW

2 stops15h 25mIcelandair

Deal found 21/10£676

Thu 20/1106:20LHR - IDA

2 stops18h 57mDelta

Sun 30/1118:57IDA - LHR

2 stops29h 08mDelta

Deal found 22/10£755

Mon 8/1208:40LCY - BOI

2 stops22h 29mVirgin Atlantic

Tue 16/1214:04BOI - LCY

2 stops19h 31mVirgin Atlantic

Deal found 23/10£778

Fri 5/1218:15LCY - GEG

3 stops32h 29mMultiple Airlines

Sun 7/1205:25GEG - LCY

2 stops27h 15mMultiple Airlines

Deal found 22/10£721

Wed 11/206:30LHR - BOI

2 stops20h 21mUnited Airlines

Sun 15/212:16BOI - LHR

1 stop34h 39mUnited Airlines

Deal found 21/10£550

Mon 8/1211:55LGW - BOI

2 stops16h 50mIcelandair

Mon 15/1212:19BOI - LGW

2 stops15h 36mIcelandair

Deal found 21/10£701

Mon 20/416:25LHR - BOI

2 stops35h 51mUnited Airlines

Mon 27/417:22BOI - LHR

1 stop11h 58mUnited Airlines

Deal found 22/10£552

Fri 5/1211:55LGW - GEG

2 stops17h 33mMultiple Airlines

Sun 7/1210:00GEG - LGW

2 stops16h 55mMultiple Airlines

Deal found 22/10£739

Thu 11/1211:55LGW - BOI

2 stops16h 50mIcelandair

Fri 9/111:35BOI - LGW

2 stops16h 20mIcelandair

Deal found 23/10£702

Last-minute flights from London to Idaho
Discover last-minute flight deals from London to Idaho. Data last updated 24 October 2025 and is based on user searches.

Tue 11/1106:40LHR - BOI

2 stops22h 59mScandinavian Airlines

Mon 24/1115:54BOI - LHR

2 stops22h 46mScandinavian Airlines

Deal found 21/10£593

Tue 11/1108:30LHR - BOI

2 stops21h 15mUnited Airlines

Mon 24/1105:00BOI - LHR

1 stop21h 40mUnited Airlines

Deal found 21/10£707

Tue 11/1111:35LHR - BOI

1 stop15h 10mLufthansa

Mon 24/1112:45BOI - LHR

1 stop12h 10mLufthansa

Deal found 21/10£717

Mon 17/1111:35LHR - BOI

1 stop16h 46mLufthansa

Mon 24/1114:31BOI - LHR

1 stop12h 09mLufthansa

Deal found 21/10£601

Mon 17/1111:35LHR - BOI

1 stop16h 46mMultiple Airlines

Mon 24/1106:20BOI - LHR

2 stops17h 10mMultiple Airlines

Deal found 21/10£605

Mon 17/1107:05LHR - BOI

3 stops22h 34mScandinavian Airlines

Mon 24/1115:54BOI - LHR

2 stops22h 46mScandinavian Airlines

Deal found 21/10£745

Wed 19/1109:00LHR - GEG

2 stops22h 29mUnited Airlines

Wed 26/1112:45GEG - LHR

1 stop34h 40mUnited Airlines

Deal found 22/10£532

Wed 19/1111:35LHR - GEG

1 stop17h 10mLufthansa

Wed 26/1106:00GEG - LHR

1 stop17h 25mLufthansa

Deal found 22/10£545

Thu 20/1106:20LHR - IDA

2 stops18h 57mDelta

Thu 27/1106:00IDA - LHR

2 stops17h 20mDelta

Deal found 23/10£754

Thu 20/1110:45LHR - IDA

1 stop14h 32mMultiple Airlines

Thu 27/1106:00IDA - LHR

2 stops17h 50mMultiple Airlines

Deal found 23/10£763

Thu 20/1110:45LHR - IDA

1 stop18h 34mDelta

Sun 30/1118:57IDA - LHR

2 stops29h 08mDelta

Deal found 22/10£764

Sat 22/1106:20LHR - IDA

2 stops23h 13mDelta

Wed 26/1113:15IDA - LHR

1 stop13h 45mDelta

Deal found 23/10£753

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 24 October 2025.

Fri 30/114:00LGW - BOI

3 stops52h 59mMultiple Airlines

Deal found 22/10£286

Mon 26/114:00LGW - BOI

2 stops32h 10mMultiple Airlines

Deal found 22/10£314

Thu 29/114:00LGW - BOI

2 stops32h 10mMultiple Airlines

Deal found 22/10£322

Tue 27/109:50LGW - BOI

3 stops36h 20mMultiple Airlines

Deal found 22/10£325

Tue 27/118:50LHR - BOI

3 stops51h 20mMultiple Airlines

Deal found 22/10£347

Wed 28/119:25LGW - BOI

3 stops44h 55mMultiple Airlines

Deal found 22/10£349

Wed 28/109:55LHR - BOI

3 stops36h 15mMultiple Airlines

Deal found 22/10£368

Mon 26/114:50LHR - BOI

2 stops33h 39mMultiple Airlines

Deal found 22/10£379

Thu 29/114:50LHR - BOI

2 stops38h 19mMultiple Airlines

Deal found 22/10£385

Fri 30/114:50LHR - BOI

3 stops28h 59mMultiple Airlines

Deal found 22/10£388

Wed 28/108:20LHR - BOI

1 stop18h 05mFinnair

Deal found 22/10£482

Mon 26/110:15LHR - BOI

1 stop16h 10mFinnair

Deal found 22/10£490

Cheap flight deals from London to Idaho

Round-trip from	£532
One-way from	£286
Popular in	July
Cheapest in	September
Average price	£730

United Airlines
19/11-26/11
3 total stops
57h 09m total
London to Idaho

Search Deals

30/1
3 total stops
52h 59m total
London to Idaho

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£90 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 19/11

09:00-23:29

2 stops22h 29m

Spokane

Wed 26/11

12:45-07:25

1 stop34h 40m

£532

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/12

07:40-09:59

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 15/12

06:20-05:55

2 stops16h 35m

£535

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 2/3

09:00-21:07

2 stops20h 07m

Spokane

Mon 9/3

07:00-07:25

1 stop17h 25m

£536

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 10/3

06:35-21:20

2 stops21h 45m

Spokane

Tue 17/3

06:05-06:20

2 stops17h 15m

£538

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/2

06:30-19:51

2 stops20h 21m

Boise Air Term. Gowen Fld

Tue 17/2

08:41-07:25

1 stop15h 44m

£541

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/2

06:30-19:51

2 stops20h 21m

Boise Air Term. Gowen Fld

Mon 16/2

13:27-12:00

1 stop15h 33m

£543

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 19/11

11:35-20:45

1 stop17h 10m

Spokane

Wed 26/11

06:00-07:25

1 stop17h 25m

£545

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/2

06:30-19:51

2 stops20h 21m

Boise Air Term. Gowen Fld

Sun 15/2

12:16-05:55

1 stop34h 39m

£550

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

16:25-21:16

2 stops35h 51m

Boise Air Term. Gowen Fld

Mon 27/4

17:22-12:20

1 stop11h 58m

£552

LondonSpokane

LCY - GEG

LCYGEG

London City

Mon 2/3

09:50-21:07

2 stops19h 17m

Spokane

Mon 9/3

06:05-12:50

2 stops23h 45m

£559

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 59 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 July is currently the most expensive (average of £679). 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 13% 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

1,405 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

KLM

7.7

Good

1,405 reviews

KLM

7.7

Good

1,405 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Virgin Atlantic

7.5

Good

670 reviews

KLM

7.7

Good

1,405 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

United Airlines

7.4

Good

8,995 reviews

KLM

7.7

Good

1,405 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Lufthansa

6.8

Okay

7,518 reviews

KLM

7.7

Good

1,405 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

British Airways

6.7

Okay

7,469 reviews

KLM

7.7

Good

1,405 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

How long is the flight from London to Idaho?
Airlines like United Airlines, Icelandair, and Lufthansa fly from London to Idaho in about 16h 04m. The time it takes to get you to your destination can typically vary by up to 16h 25m. 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 cheapest airlines to fly from London to Idaho one-way?
£495 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Lufthansa and United Airlines, with prices starting from £557 and £562, respectively.
What are the most popular routes from London to Idaho?
While some choose either London Gatwick - Boise Air Term. Gowen Fld or London City - Boise Air Term. Gowen Fld, 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 July is currently the most expensive (average of £679). 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 Dulles Intl flights

Heathrow to San Francisco flights

Gatwick to Los Angeles flights

Heathrow to O'Hare Intl flights

Heathrow to Dallas/Fort Worth flights

Heathrow to Las Vegas flights

Gatwick to Miami flights

Gatwick to Orlando flights

London City to Miami flights

Heathrow to Baltimore flights

Manchester to Orlando flights

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Manchester to Newark flights

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Stansted to Los Angeles flights

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Heathrow to Austin flights

Heathrow to Ontario flights

Heathrow to Philadelphia flights

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Edinburgh to John F Kennedy Intl flights

Gatwick to Dulles Intl flights

Direct flights to United States

Top 5 airlines flying from London to Idaho

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£521	Average£642	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
United Airlines	Cheapest£544	Average£858	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£546	Average£642	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
KLM	Cheapest£575	Average£700	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£604	Average£846	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 £286

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find 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 24 October 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 24 October 2025.

Cheap flight deals from London to Idaho

Keep the following information in mind while searching for London to Idaho flight deals. Data was last updated 24 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Best time to book a flight from London to Idaho

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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 24 October 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 24 October 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 cheapest airlines to fly from London to Idaho one-way?

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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Alternative routes for London to Idaho

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Top 5 airlines flying 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 24 October 2025.