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$725+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
Nov 19 — Nov 261
1 adult
Tue 11/19
Tue 11/26
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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 November 14, 2024.

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 November 14, 2024.

This SmartFares deal was found by Cheapflights users on 11/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:40 pmLHR - GEG
2 stops36h 04mMultiple Airlines
Tue 12/106:40 amGEG - LHR
2 stops25h 20mMultiple Airlines
Deal found 11/14$800
This SmartFares deal was found by Cheapflights users on 11/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:40 pmLHR - BOI
2 stops33h 15mMultiple Airlines
Sun 12/86:58 pmBOI - LHR
2 stops38h 02mMultiple Airlines
Deal found 11/14$804
This The Travel House deal was found by Cheapflights users on 11/14. 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 1/87:00 amGEG - LHR
2 stops29h 35mLufthansa
Deal found 11/14$871
This ChecknFly deal was found by Cheapflights users on 11/14. 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.
Wed 12/41:35 pmLHR - BOI
1 stop16h 09mLufthansa
Sun 12/85:26 pmBOI - LHR
1 stop33h 14mLufthansa
Deal found 11/14$900
This United Airlines deal was found by Cheapflights users on 11/14. 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 12/1711:35 amLHR - GEG
2 stops35h 36mUnited Airlines
Tue 12/241:47 pmGEG - LHR
2 stops33h 43mUnited Airlines
Deal found 11/14$902
This Netflights deal was found by Cheapflights users on 11/14. 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.
Tue 12/31:15 pmLHR - GEG
1 stop13h 10mVirgin Atlantic
Tue 12/105:50 amGEG - LHR
1 stop17h 15mVirgin Atlantic
Deal found 11/14$909
This KLM deal was found by Cheapflights users on 11/14. 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.
Tue 12/38:25 pmLHR - GEG
2 stops27h 43mKLM
Tue 12/1010:05 amGEG - LHR
1 stop15h 55mKLM
Deal found 11/14$920
This United Airlines deal was found by Cheapflights users on 11/14. 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.
Sat 12/1410:05 amLHR - BOI
2 stops18h 55mUnited Airlines
Sat 12/2812:59 pmBOI - LHR
2 stops17h 31mUnited Airlines
Deal found 11/14$947
This TravelUp deal was found by Cheapflights users on 11/14. 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.
Wed 12/410:45 amLHR - IDA
1 stop14h 39mKLM
Sun 12/81:09 pmIDA - LHR
2 stops16h 31mKLM
Deal found 11/14$951
This TravelUp deal was found by Cheapflights users on 11/14. 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.
Wed 12/44:45 pmLHR - IDA
2 stops32h 39mAir France
Sun 12/86:00 amIDA - LHR
2 stops18h 05mAir France
Deal found 11/14$962
This KLM deal was found by Cheapflights users on 11/14. 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.
Thu 11/2810:45 amLHR - SUN
1 stop13h 13mKLM
Mon 12/27:30 amSUN - LHR
1 stop19h 30mKLM
Deal found 11/14$975
This The Travel House deal was found by Cheapflights users on 11/14. 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
Wed 1/83:21 pmGEG - LHR
2 stops32h 54mFinnair
Deal found 11/14$987

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 2,752,363 searches. Data last updated November 14, 2024.

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Depart

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Price

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 1/7

10:00 am-12:48 pm

2 stops34h 48m

Spokane

Tue 1/14

7:00 am-7:25 am

1 stop16h 25m

$735

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 2/28

3:10 pm-4:16 pm

2 stops32h 06m

Boise Air Term. Gowen Fld

Sun 3/9

6:43 pm-12:00 pm

1 stop35h 17m

$746

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 12/3

6:40 pm-10:44 pm

2 stops36h 04m

Spokane

Tue 12/10

6:40 am-4:00 pm

2 stops25h 20m

$800

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 12/4

6:40 pm-8:55 pm

2 stops33h 15m

Boise Air Term. Gowen Fld

Sun 12/8

6:58 pm-4:00 pm

2 stops38h 02m

$804

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 1/7

10:45 am-11:57 pm

1 stop21h 12m

Spokane

Tue 1/14

1:25 pm-11:10 am

1 stop13h 45m

$856

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Sun 12/29

10:05 am-11:52 pm

1 stop21h 47m

Spokane

Wed 1/8

7:00 am-8:35 pm

2 stops29h 35m

$871

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 1/1

10:45 am-10:26 pm

1 stop18h 41m

Idaho Falls Fanning Field

Sun 1/19

1:10 pm-11:40 am

2 stops15h 30m

$914

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 12/3

8:25 pm-4:08 pm

2 stops27h 43m

Spokane

Tue 12/10

10:05 am-10:00 am

1 stop15h 55m

$920

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 12/14

10:05 am-10:00 pm

2 stops18h 55m

Boise Air Term. Gowen Fld

Sat 12/28

12:59 pm-1:30 pm

2 stops17h 31m

$947

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 12/4

10:45 am-6:24 pm

1 stop14h 39m

Idaho Falls Fanning Field

Sun 12/8

1:09 pm-12:40 pm

2 stops16h 31m

$951

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Idaho (average of $310). 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 November 14, 2024.
Read reviews from past customers who have flown Icelandair, Finnair and Lufthansa 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
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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
8,788 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,346 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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
7.7
Good
1,304 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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
7.6
Good
663 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,538 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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?

    $888 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 Finnair, with prices starting from $924 and $998, respectively.

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

    While some choose either London Heathrow - Boise Air Term. Gowen Fld or London Heathrow - Jackson Hole, London Heathrow - Spokane 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Idaho (average of $310). 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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