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$633+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
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 January 16, 2025.

Round-trip from

$643
(The Travel House)

One-way from

$633
(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 January 16, 2025.

This The Travel House deal was found by Cheapflights users on 1/16. 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 3/194:55 pmLHR - JAC
1 stop26h 08mFinnair
Wed 3/2612:46 pmJAC - LHR
1 stop15h 14mFinnair
Deal found 1/16$643
This United Airlines deal was found by Cheapflights users on 1/16. 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 3/27:40 amLHR - GEG
2 stops37h 10mUnited Airlines
Sun 3/93:15 pmGEG - LHR
1 stop33h 10mUnited Airlines
Deal found 1/16$728
This Trip.com deal was found by Cheapflights users on 1/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/106:20 amLHR - GEG
2 stops25h 33mMultiple Airlines
Mon 2/247:35 pmGEG - LHR
2 stops16h 35mMultiple Airlines
Deal found 1/16$730
This The Travel House deal was found by Cheapflights users on 1/16. 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.
Fri 2/289:30 amLHR - BOI
2 stops19h 29mLufthansa
Sun 3/96:56 pmBOI - LHR
1 stop30h 29mLufthansa
Deal found 1/16$741
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Fri 5/99:00 amLHR - BOI
2 stops21h 05mUnited Airlines
Fri 5/161:20 pmBOI - LHR
2 stops35h 05mUnited Airlines
Deal found 1/16$757
This TravelUp deal was found by Cheapflights users on 1/16. 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.
Mon 2/108:25 pmLHR - GEG
2 stops26h 20mKLM
Mon 2/246:00 amGEG - LHR
1 stop17h 05mKLM
Deal found 1/16$763
This Trip.com deal was found by Cheapflights users on 1/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2012:40 pmLHR - IDA
1 stop16h 56mMultiple Airlines
Thu 2/278:00 amIDA - LHR
1 stop20h 10mMultiple Airlines
Deal found 1/16$765
This TravelUp deal was found by Cheapflights users on 1/16. 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.
Thu 2/205:50 pmLHR - IDA
2 stops31h 28mKLM
Thu 2/271:10 pmIDA - LHR
2 stops15h 30mKLM
Deal found 1/16$803
This Trip.com deal was found by Cheapflights users on 1/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/91:05 pmLHR - BOI
2 stops17h 50mMultiple Airlines
Sun 6/152:45 pmBOI - LHR
2 stops22h 35mMultiple Airlines
Deal found 1/16$821
This TravelUp deal was found by Cheapflights users on 1/16. 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.
Sat 2/154:25 pmLHR - SUN
2 stops37h 14mVirgin Atlantic
Sat 2/227:15 amSUN - LHR
2 stops29h 00mVirgin Atlantic
Deal found 1/16$851
This The Travel House deal was found by Cheapflights users on 1/16. 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 6/49:30 amLHR - GEG
2 stops18h 59mLufthansa
Fri 6/276:25 pmGEG - LHR
1 stop33h 55mLufthansa
Deal found 1/16$857
This TravelUp deal was found by Cheapflights users on 1/16. 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.
Mon 6/238:10 pmLHR - IDA
2 stops33h 05mVirgin Atlantic
Mon 6/301:05 pmIDA - LHR
1 stop13h 55mVirgin Atlantic
Deal found 1/16$907

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 January 16, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

LondonJackson

LHR - JAC

LHRJAC

London Heathrow

Wed 3/19

4:55 pm-1:03 pm

1 stop26h 08m

Jackson Hole

Wed 3/26

12:46 pm-10:00 am

1 stop15h 14m

$643

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Sun 3/2

7:40 am-12:50 pm

2 stops37h 10m

Spokane

Sun 3/9

3:15 pm-7:25 am

1 stop33h 10m

$728

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 2/10

6:20 am-11:53 pm

2 stops25h 33m

Spokane

Mon 2/24

7:35 pm-8:10 pm

2 stops16h 35m

$730

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 2/28

7:30 am-5:50 pm

2 stops17h 20m

Boise Air Term. Gowen Fld

Sun 3/9

6:56 pm-9:40 am

2 stops32h 44m

$741

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 5/9

9:00 am-11:05 pm

2 stops21h 05m

Boise Air Term. Gowen Fld

Fri 5/16

1:20 pm-7:25 am

2 stops35h 05m

$757

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 2/10

8:25 pm-2:45 pm

2 stops26h 20m

Spokane

Mon 2/24

6:00 am-7:05 am

1 stop17h 05m

$763

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Thu 2/20

12:40 pm-10:36 pm

1 stop16h 56m

Idaho Falls Fanning Field

Thu 2/27

8:00 am-11:10 am

1 stop20h 10m

$765

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Thu 2/20

5:50 pm-6:18 pm

2 stops31h 28m

Idaho Falls Fanning Field

Thu 2/27

1:10 pm-11:40 am

2 stops15h 30m

$803

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 6/9

1:05 pm-11:55 pm

2 stops17h 50m

Boise Air Term. Gowen Fld

Sun 6/15

2:45 pm-8:20 pm

2 stops22h 35m

$821

LondonHailey

LHR - SUN

LHRSUN

London Heathrow

Sat 2/15

4:25 pm-10:39 pm

2 stops37h 14m

Hailey Sun Valley-Friedman

Sat 2/22

7:15 am-7:15 pm

2 stops29h 00m

$851

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 44 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 January 16, 2025.
Read reviews from past customers who have flown Lufthansa, Scandinavian Airlines 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
8,511 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

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
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

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
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

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
664 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

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
1,487 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

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 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?

    $633 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 Virgin Atlantic, with prices starting from $703 and $751, 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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