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$443+ Cheap flights from London (LON) to Idaho

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BOI
Dec 25 — Jan 11
Wed 12/25
Wed 1/1
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 December 20, 2024.

Round-trip from

$695
(The Travel House)

One-way from

$443
(Kiwi.com)
From London (LON) to Idaho
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One-way flight from London (LON) to Idaho
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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 December 20, 2024.

This Virgin Atlantic deal was found by Cheapflights users on 12/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:10 amLHR - BOI
2 stops21h 00mVirgin Atlantic
Wed 5/141:15 pmBOI - LHR
2 stops17h 15mVirgin Atlantic
Deal found 12/19$812
This Netflights deal was found by Cheapflights users on 12/19. 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.
Sun 12/2910:45 amLHR - GEG
1 stop15h 35mVirgin Atlantic
Wed 1/81:15 pmGEG - LHR
2 stops33h 10mVirgin Atlantic
Deal found 12/19$826
This Delta deal was found by Cheapflights users on 12/19. 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.
Sun 12/293:50 pmLHR - GEG
1 stop30h 45mDelta
Wed 1/87:24 pmGEG - LHR
1 stop31h 46mDelta
Deal found 12/19$850
This KLM deal was found by Cheapflights users on 12/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:30 amLHR - GEG
2 stops16h 05mKLM
Wed 1/810:00 amGEG - LHR
1 stop16h 00mKLM
Deal found 12/19$1,150
This United Airlines deal was found by Cheapflights users on 12/19. 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.
Mon 12/3011:35 amLHR - GEG
1 stop13h 54mUnited Airlines
Wed 1/83:55 pmGEG - LHR
1 stop33h 45mUnited Airlines
Deal found 12/19$1,153
This Lufthansa deal was found by Cheapflights users on 12/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:35 amLHR - GEG
1 stop17h 29mMultiple Airlines
Tue 1/77:02 amGEG - LHR
1 stop16h 23mMultiple Airlines
Deal found 12/19$1,251
This EaseMyTrip deal was found by Cheapflights users on 12/19. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:40 pmLHR - GEG
2 stops32h 10mIcelandair
Tue 1/711:34 amGEG - LHR
2 stops23h 56mIcelandair
Deal found 12/19$1,252
This Lufthansa deal was found by Cheapflights users on 12/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:05 amLHR - GEG
1 stop16h 20mLufthansa
Wed 1/87:02 amGEG - LHR
1 stop16h 23mLufthansa
Deal found 12/19$1,289
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2912:00 pmLGW - GEG
2 stops31h 06mMultiple Airlines
Sun 1/59:31 amGEG - LGW
1 stop17h 04mMultiple Airlines
Deal found 12/19$1,304
This Icelandair deal was found by Cheapflights users on 12/19. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3011:55 amLGW - GEG
2 stops16h 55mIcelandair
Tue 12/3112:00 pmGEG - LGW
2 stops14h 55mIcelandair
Deal found 12/19$1,493
This StudentUniverse deal was found by Cheapflights users on 12/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:05 pmLCY - GEG
2 stops26h 30mMultiple Airlines
Wed 1/810:00 amGEG - LCY
2 stops22h 35mMultiple Airlines
Deal found 12/19$1,550
This The Travel House deal was found by Cheapflights users on 12/19. 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.
Mon 12/237:35 pmLHR - GEG
2 stops27h 12mAir France
Tue 1/71:10 pmGEG - LHR
1 stop34h 45mAir France
Deal found 12/19$1,552

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 2,558,603 searches. Data last updated December 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonJackson

LHR - JAC

LHRJAC

London Heathrow

Wed 2/19

4:55 pm-1:00 pm

1 stop27h 05m

Jackson Hole

Sat 3/1

12:37 pm-8:15 am

1 stop12h 38m

$695

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 3/5

8:30 am-10:45 pm

2 stops21h 15m

Boise Air Term. Gowen Fld

Sun 3/9

6:56 pm-9:40 am

2 stops32h 44m

$718

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 1/21

3:00 pm-3:12 pm

2 stops32h 12m

Spokane

Tue 1/28

7:02 am-7:25 am

1 stop16h 23m

$728

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 2/28

7:30 am-9:29 pm

2 stops20h 59m

Boise Air Term. Gowen Fld

Sun 3/9

2:30 pm-11:15 am

2 stops38h 45m

$737

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 1/16

7:30 am-8:53 pm

2 stops21h 23m

Spokane

Thu 5/15

6:00 am-10:25 am

1 stop20h 25m

$738

LondonSpokane

LCY - GEG

LCYGEG

London City

Tue 1/21

6:15 pm-8:53 pm

2 stops34h 38m

Spokane

Tue 1/28

7:02 am-5:40 pm

2 stops26h 38m

$790

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 5/19

2:25 pm-10:33 pm

1 stop16h 08m

Spokane

Thu 5/29

1:40 pm-5:05 pm

2 stops19h 25m

$799

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 1/13

1:15 pm-9:07 pm

1 stop15h 52m

Spokane

Mon 1/27

3:25 pm-11:10 am

1 stop11h 45m

$802

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 1/13

8:25 pm-2:45 pm

2 stops26h 20m

Spokane

Mon 1/27

1:10 pm-10:35 am

1 stop13h 25m

$807

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 12/31

9:10 am-11:10 pm

2 stops21h 00m

Boise Air Term. Gowen Fld

Wed 5/14

1:15 pm-1:30 pm

2 stops17h 15m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 44 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, October is the cheapest month in which you can book a flight from London to Idaho (average of $314). 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 December 20, 2024.
Read through reviews of airlines operating flights from London to Idaho, such as United Airlines, Lufthansa and Virgin Atlantic. 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
8,601 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
8,601 reviews
Delta
8.0
Very good
8,601 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
8,601 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
1,285 reviews
Delta
8.0
Very good
8,601 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
668 reviews
Delta
8.0
Very good
8,601 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
1,502 reviews
Delta
8.0
Very good
8,601 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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?

    $740 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 Lufthansa, with prices starting from $875 and $914, 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 - Spokane 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, October is the cheapest month in which you can book a flight from London to Idaho (average of $314). 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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