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Cheap flights from London to Idaho from £525

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BOI
29 Dec — 5 Jan1
1 adult

Cheap flight deals from London to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 December 2024.

Round-trip from

£525
10/2-24/2
  • 10/2-24/2
  • 4 total stops
  • 35h 43m total
  • London to Idaho

Find flight deals from London to Idaho

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 December 2024.

Tue 31/1209:30LHR - BOI
2 stops19h 22mAmerican Airlines
Wed 14/507:24BOI - LHR
2 stops19h 51mAmerican Airlines
Deal found 23/12£622
Tue 31/1209:10LHR - BOI
1 stop21h 45mVirgin Atlantic
Wed 14/514:35BOI - LHR
1 stop13h 50mVirgin Atlantic
Deal found 23/12£624
Tue 31/1206:20LHR - BOI
2 stops18h 27mDelta
Wed 14/509:25BOI - LHR
2 stops16h 50mDelta
Deal found 23/12£638
Sun 29/1220:15LHR - GEG
2 stops32h 49mLufthansa
Wed 8/107:02GEG - LHR
2 stops38h 53mLufthansa
Deal found 23/12£1,024
Tue 24/1210:05LHR - GEG
1 stop16h 20mUnited Airlines
Tue 28/107:02GEG - LHR
2 stops19h 48mUnited Airlines
Deal found 23/12£1,088
Tue 24/1218:15LCY - GEG
2 stops34h 49mLufthansa
Tue 28/107:02GEG - LCY
2 stops26h 38mLufthansa
Deal found 23/12£1,194
Mon 23/1220:25LHR - GEG
2 stops26h 22mKLM
Tue 7/106:00GEG - LHR
1 stop17h 05mKLM
Deal found 23/12£1,327
Sun 29/1211:55LGW - GEG
2 stops16h 24mIcelandair
Wed 8/111:34GEG - LGW
2 stops15h 21mIcelandair
Deal found 23/12£1,337
Tue 24/1211:55LGW - GEG
2 stops16h 55mMultiple Airlines
Tue 28/111:34GEG - LGW
2 stops15h 21mMultiple Airlines
Deal found 23/12£1,383
Tue 24/1214:50LHR - GEG
3 stops35h 35mMultiple Airlines
Tue 28/111:34GEG - LHR
2 stops15h 16mMultiple Airlines
Deal found 23/12£1,570
Tue 31/1220:00LHR - BOI
3 stops46h 02mMultiple Airlines
Wed 14/521:49BOI - LHR
2 stops31h 16mMultiple Airlines
Deal found 23/12£1,657
Tue 31/1206:40LHR - BOI
2 stops21h 48mScandinavian Airlines
Wed 14/512:30BOI - LHR
3 stops23h 00mScandinavian Airlines
Deal found 23/12£1,787

Find flights from London to Idaho within your budget

Customise your flight search to find flights from London to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 December 2024.

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Fly to

Any airport

Route

Depart

Return

Price

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 10/2

11:55-22:23

2 stops17h 28m

Boise Air Term. Gowen Fld

Mon 24/2

09:40-10:55

2 stops18h 15m

£525

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 25/2

09:30-20:38

2 stops19h 08m

Spokane

Sun 2/3

15:37-09:40

2 stops34h 03m

£555

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 10/2

07:40-19:27

2 stops18h 47m

Boise Air Term. Gowen Fld

Mon 24/2

14:36-09:40

1 stop12h 04m

£562

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 10/2

13:35-12:20

1 stop29h 45m

Boise Air Term. Gowen Fld

Mon 24/2

11:05-07:25

1 stop13h 20m

£572

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 21/1

15:00-15:12

2 stops32h 12m

Spokane

Tue 28/1

07:02-07:25

1 stop16h 23m

£574

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 25/2

13:45-21:11

1 stop15h 26m

Spokane

Sun 2/3

15:37-07:25

1 stop31h 48m

£581

LondonSpokane

LCY - GEG

LCYGEG

London City

Tue 25/2

10:00-20:38

2 stops18h 38m

Spokane

Sun 2/3

15:37-16:40

2 stops41h 03m

£592

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 20/1

11:45-12:25

2 stops31h 40m

Idaho Falls Fanning Field

Thu 30/1

12:55-09:40

1 stop13h 45m

£594

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 17/2

18:00-21:29

2 stops34h 29m

Boise Air Term. Gowen Fld

Mon 3/3

18:58-06:30

2 stops28h 32m

£622

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 21/1

06:20-18:17

2 stops18h 57m

Idaho Falls Fanning Field

Tue 28/1

06:00-07:05

2 stops18h 05m

£641

Flights are sorted by cheapest return flights first.

Deals found on 24/12

Showing 1-10 of 33 results
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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.

Travel insights for flights from London to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from London to Idaho (average of £754). Flying from London 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 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 December 2024.

When flying from London to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 5.0 - 41.0 inches per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Idaho when rainfall is around 5.0 mm.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated 24 December 2024.
See what other customers who have flown with United Airlines, Lufthansa and Virgin Atlantic from London to Idaho have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,588 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

8.0
Very Good
8,588 reviews
8.0
Very Good
8,588 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.8
Good
1,346 reviews
8.0
Very Good
8,588 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.5
Good
666 reviews
8.0
Very Good
8,588 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.4
Good
9,009 reviews
8.0
Very Good
8,588 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.2
Good
10,000 reviews
8.0
Very Good
8,588 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.6

Food

7.3

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

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.
  • What are the cheapest airlines to fly from London to Idaho one-way?

    £620 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Lufthansa and Icelandair, with prices starting from £813 and £860, respectively.

  • What are the most popular routes 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, October is the cheapest month in which you can book a flight from London to Idaho (average of £754). Flying from London to Idaho in August is currently the most expensive (average of £1,152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Idaho

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

Top 7 airlines flying from London to Idaho

Discover the top 7 airlines that operate flights from London to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 December 2024.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£510Average£699FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£562Average£670FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£567Average£980FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£573Average£651FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£612Average£867FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£666Average£865FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£716Average£917FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from 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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