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$476+ Cheap flights from Heathrow (LHR) 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.
LHR — BOI
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Heathrow to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 18, 2024.

Round-trip from

$689
(Expedia)

One-way from

$476
(Kiwi.com)
From London Heathrow to Idaho
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One-way flight from London Heathrow to Idaho
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Find flight deals from Heathrow to Idaho

Cheapest flights from Heathrow to Idaho
Explore the most affordable flight options available from Heathrow to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This ChecknFly deal was found by Cheapflights users on 12/17. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:25 amLHR - BOI
1 stop19h 24mLufthansa
Wed 5/146:57 pmBOI - LHR
2 stops27h 58mLufthansa
Deal found 12/17$895
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/318:30 amLHR - BOI
2 stops21h 19mUnited Airlines
Wed 5/1411:10 amBOI - LHR
2 stops16h 30mUnited Airlines
Deal found 12/17$902
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/3110:45 amLHR - BOI
1 stop19h 25mDelta
Wed 5/142:35 pmBOI - LHR
1 stop15h 55mDelta
Deal found 12/17$934
This Virgin Atlantic deal was found by Cheapflights users on 12/17. 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 12/17$960
This The Travel House deal was found by Cheapflights users on 12/17. 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 12/2911:35 amLHR - GEG
1 stop33h 15mLufthansa
Wed 1/83:55 pmGEG - LHR
1 stop33h 45mLufthansa
Deal found 12/17$1,179
This Justfly.com deal was found by Cheapflights users on 12/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/292:30 pmLHR - GEG
2 stops39h 47mAir Canada
Wed 1/85:10 amGEG - LHR
2 stops41h 20mAir Canada
Deal found 12/17$1,203
This The Travel House deal was found by Cheapflights users on 12/17. 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 1/75:35 amGEG - LHR
1 stop20h 25mAir France
Deal found 12/17$1,624
This Scandinavian Airlines deal was found by Cheapflights users on 12/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:40 amLHR - BOI
2 stops21h 48mScandinavian Airlines
Wed 5/1412:30 pmBOI - LHR
3 stops23h 00mScandinavian Airlines
Deal found 12/17$2,259
This Scandinavian Airlines deal was found by Cheapflights users on 12/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:40 amLHR - BOI
2 stops21h 48mMultiple Airlines
Wed 5/141:15 pmBOI - LHR
3 stops21h 25mMultiple Airlines
Deal found 12/17$2,261

Find flights from Heathrow to Idaho within your budget

Customize your flight search to find flights from Heathrow 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 18, 2024.

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Route

Depart

Return

Price

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 3/18

9:30 am-9:07 pm

2 stops18h 37m

Spokane

Tue 4/29

3:25 pm-2:10 pm

1 stop14h 45m

$689

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 1/21

9:30 am-10:01 pm

2 stops19h 31m

Boise Air Term. Gowen Fld

Wed 1/29

7:00 am-9:40 am

1 stop19h 40m

$711

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 1/21

10:25 am-12:20 pm

1 stop32h 55m

Boise Air Term. Gowen Fld

Wed 1/29

10:57 am-12:00 pm

1 stop18h 03m

$719

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Fri 1/31

11:10 am-11:28 pm

2 stops20h 18m

Spokane

Fri 2/7

5:10 am-7:55 am

2 stops18h 45m

$786

LondonHailey

LHR - SUN

LHRSUN

London Heathrow

Wed 3/12

10:45 am-10:00 pm

1 stop17h 15m

Hailey Sun Valley-Friedman

Wed 3/19

3:30 pm-12:40 pm

2 stops15h 10m

$867

LondonHailey

LHR - SUN

LHRSUN

London Heathrow

Wed 2/12

10:45 am-2:55 pm

1 stop35h 10m

Hailey Sun Valley-Friedman

Wed 2/19

1:00 pm-10:00 am

1 stop14h 00m

$870

LondonHailey

LHR - SUN

LHRSUN

London Heathrow

Mon 2/10

11:45 am-2:55 pm

2 stops34h 10m

Hailey Sun Valley-Friedman

Tue 2/18

7:15 am-11:10 am

2 stops20h 55m

$878

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 12/31

10:45 am-11:10 pm

1 stop19h 25m

Boise Air Term. Gowen Fld

Wed 5/14

2:35 pm-1:30 pm

1 stop15h 55m

$934

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

$960

LondonHailey

LHR - SUN

LHRSUN

London Heathrow

Thu 1/9

10:45 am-2:55 pm

1 stop35h 10m

Hailey Sun Valley-Friedman

Thu 1/16

7:15 am-7:05 am

2 stops16h 50m

$962

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 36 results
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Best time to book a flight from Heathrow to Idaho

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

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

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

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Idaho (average of $314). Flying from London Heathrow Airport 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 18, 2024.
Read reviews from past customers who have flown Air France, KLM and United Airlines from London to Idaho. 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
8,604 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,604 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,604 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,604 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

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
1,504 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

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 Heathrow 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 Heathrow Airport to Idaho one-way?

    $792 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on WestJet and Icelandair, with prices starting from $849 and $877, respectively.

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

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

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

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

  • How can I find direct flights from Heathrow to Idaho?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Idaho?

    Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Idaho (average of $314). Flying from London Heathrow Airport 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 Heathrow to Idaho

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