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$769+ Cheap flights from London (LON) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BOI
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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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 November 21, 2024.

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 November 21, 2024.

This Norse deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/512:00 pmLGW - BOI
1 stop29h 58mMultiple Airlines
Mon 12/94:01 pmBOI - LGW
1 stop35h 34mMultiple Airlines
Deal found 11/20$818
This United Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2610:25 amLHR - BOI
2 stops18h 08mUnited Airlines
Sat 1/118:25 amBOI - LHR
2 stops15h 30mUnited Airlines
Deal found 11/21$868
This The Travel House deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/299:30 amLHR - GEG
2 stops23h 09mFinnair
Tue 1/73:21 pmGEG - LHR
2 stops56h 29mFinnair
Deal found 11/21$897
This The Travel House deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:05 amLHR - GEG
1 stop21h 47mLufthansa
Wed 1/84:20 pmGEG - LHR
2 stops31h 35mLufthansa
Deal found 11/21$917
This Netflights deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/512:40 pmLHR - GEG
1 stop16h 25mVirgin Atlantic
Wed 12/111:25 pmGEG - LHR
1 stop12h 35mVirgin Atlantic
Deal found 11/21$944
This The Travel House deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/411:55 amLGW - GEG
2 stops15h 44mIcelandair
Tue 12/1011:47 amGEG - LGW
2 stops15h 08mIcelandair
Deal found 11/21$952
This Delta deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:30 amLHR - BOI
2 stops24h 40mDelta
Mon 12/97:30 pmBOI - LHR
2 stops17h 40mDelta
Deal found 11/21$954
This American Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/512:30 pmLGW - BOI
2 stops31h 07mAmerican Airlines
Mon 12/96:40 amBOI - LGW
2 stops19h 20mAmerican Airlines
Deal found 11/21$974
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/63:50 pmLHR - GEG
1 stop15h 15mDelta
Sun 12/159:15 amGEG - LHR
1 stop17h 55mDelta
Deal found 11/20$1,009
This United Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/293:00 pmLHR - GEG
2 stops39h 17mUnited Airlines
Wed 1/81:50 pmGEG - LHR
2 stops33h 40mUnited Airlines
Deal found 11/21$1,044
This TravelUp deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/62:30 pmLHR - GEG
2 stops30h 17mAir Canada
Sun 12/155:15 amGEG - LHR
2 stops19h 15mAir Canada
Deal found 11/20$1,052
This Voliamo deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Voliamo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:15 pmLCY - GEG
2 stops38h 00mLufthansa
Wed 12/113:55 pmGEG - LCY
2 stops41h 45mLufthansa
Deal found 11/21$1,063

Find flights from London to Idaho within your budget

Customize 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 1/9

3:00 pm-8:53 pm

2 stops37h 53m

Spokane

Sun 1/19

4:20 pm-12:00 pm

1 stop35h 40m

$769

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 2/28

3:00 pm-9:29 pm

2 stops37h 29m

Boise Air Term. Gowen Fld

Sun 3/9

12:50 pm-7:25 am

1 stop36h 35m

$769

LondonJackson

LHR - JAC

LHRJAC

London Heathrow

Mon 2/17

2:10 pm-12:13 pm

1 stop29h 03m

Jackson Hole

Fri 2/28

1:30 pm-12:00 pm

1 stop15h 30m

$788

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Thu 12/5

12:00 pm-10:58 am

1 stop29h 58m

Boise Air Term. Gowen Fld

Mon 12/9

4:01 pm-10:35 am

1 stop35h 34m

$818

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 1/9

11:35 am-8:53 pm

1 stop17h 18m

Spokane

Sat 2/1

7:02 am-7:25 am

1 stop16h 23m

$833

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Sun 12/29

9:30 am-12:39 am

2 stops23h 09m

Spokane

Tue 1/7

3:21 pm-7:50 am

2 stops56h 29m

$897

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Sun 12/29

10:05 am-11:52 pm

1 stop21h 47m

Spokane

Wed 1/8

4:20 pm-7:55 am

2 stops31h 35m

$917

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 12/5

12:40 pm-9:05 pm

1 stop16h 25m

Spokane

Wed 12/11

1:25 pm-10:00 am

1 stop12h 35m

$944

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Wed 12/4

11:55 am-7:39 pm

2 stops15h 44m

Spokane

Tue 12/10

11:47 am-10:55 am

2 stops15h 08m

$952

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 12/5

6:30 am-12:10 am

2 stops24h 40m

Boise Air Term. Gowen Fld

Mon 12/9

7:30 pm-8:10 pm

2 stops17h 40m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 43 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 round-trip 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, January is the cheapest month in which you can book a flight from London to Idaho (average of $310). Flying from London to Idaho in June is currently the most expensive (average of $436). 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.

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 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 November 21, 2024.
Read through reviews of airlines operating flights from London to Idaho, such as Delta, American Airlines and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
8,755 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
1,349 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
663 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

Air France
7.4
Good
1,525 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

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?

    $885 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Icelandair and KLM, with prices starting from $1,051 and $1,567, respectively.

  • What are the most popular routes from London to Idaho?

    When deciding which route to take from London to Idaho consider London Heathrow - Boise Air Term. Gowen Fld, London Heathrow - Spokane or London Gatwick - Boise Air Term. Gowen Fld as they are the most popular.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from London to Idaho (average of $310). Flying from London to Idaho in June is currently the most expensive (average of $436). 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

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Alternative routes for London to Idaho

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