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$472+ Cheap flights from Idaho to Heathrow (LHR)

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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
Nov 19 — Nov 261
1 adult
Tue 11/19
Tue 11/26
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Cheap flight deals from Idaho to Heathrow

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

Cheapest flights from Idaho to Heathrow
Explore the most affordable flight options available from Idaho to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2024.

This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:11 amBOI - LHR
2 stops25h 49mMultiple Airlines
Thu 12/126:40 amLHR - BOI
2 stops21h 15mMultiple Airlines
Deal found 11/14$719
This Delta deal was found by Cheapflights users on 11/13. 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 12/291:12 pmGEG - LHR
1 stop13h 58mDelta
Tue 1/148:40 amLHR - GEG
2 stops22h 11mDelta
Deal found 11/13$772
This Virgin Atlantic deal was found by Cheapflights users on 11/13. 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.
Sun 12/291:12 pmGEG - LHR
1 stop13h 58mVirgin Atlantic
Tue 1/141:15 pmLHR - GEG
1 stop15h 52mVirgin Atlantic
Deal found 11/13$785
This Scandinavian Airlines deal was found by Cheapflights users on 11/13. 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.
Sun 12/812:44 pmGEG - LHR
2 stops19h 16mMultiple Airlines
Mon 12/166:40 amLHR - GEG
2 stops24h 04mMultiple Airlines
Deal found 11/13$790
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/125:15 amGEG - LHR
2 stops18h 40mUnited Airlines
Thu 12/1910:05 amLHR - GEG
1 stop16h 20mUnited Airlines
Deal found 11/12$849
This The Travel House deal was found by Cheapflights users on 11/13. 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 12/136:00 amIDA - LHR
1 stop21h 00mAir France
Fri 12/209:10 amLHR - IDA
2 stops40h 05mAir France
Deal found 11/13$938
This KLM deal was found by Cheapflights users on 11/13. 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.
Fri 12/135:50 amGEG - LHR
1 stop17h 15mKLM
Sun 1/128:25 pmLHR - GEG
2 stops27h 57mKLM
Deal found 11/13$942
This Justfly.com deal was found by Cheapflights users on 11/13. 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.
Fri 12/135:15 amGEG - LHR
2 stops41h 15mAir Canada
Sun 1/1211:10 amLHR - GEG
2 stops33h 38mAir Canada
Deal found 11/13$945
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 12/311:20 amBOI - LHR
1 stop15h 40mKLM
Thu 12/126:30 amLHR - BOI
2 stops19h 47mKLM
Deal found 11/14$991
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.
Wed 12/47:00 amJAC - LHR
1 stop20h 00mKLM
Thu 12/1910:45 amLHR - JAC
1 stop17h 21mKLM
Deal found 11/14$993
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.
Mon 12/26:10 amIDA - LHR
1 stop20h 50mMultiple Airlines
Tue 12/1010:45 amLHR - IDA
1 stop14h 30mMultiple Airlines
Deal found 11/14$1,003
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/26:10 amIDA - LHR
2 stops17h 55mDelta
Tue 12/106:20 amLHR - IDA
2 stops18h 55mDelta
Deal found 11/14$1,029

Find flights from Idaho to Heathrow within your budget

Customize your flight search to find flights from Idaho to Heathrow 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.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 2/11

7:15 am-4:00 pm

2 stops25h 45m

London Heathrow

Mon 3/3

6:40 am-10:59 pm

2 stops23h 19m

$692

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Sun 1/19

7:15 am-6:30 pm

2 stops28h 15m

London Heathrow

Sun 2/2

5:00 pm-10:52 pm

2 stops36h 52m

$762

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 4/23

4:00 pm-9:40 pm

2 stops21h 40m

London Heathrow

Thu 5/1

10:20 am-10:33 pm

2 stops20h 13m

$767

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Sun 12/29

1:12 pm-11:10 am

1 stop13h 58m

London Heathrow

Tue 1/14

8:40 am-10:51 pm

2 stops22h 11m

$772

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 3/3

2:03 pm-1:30 pm

1 stop16h 27m

London Heathrow

Tue 3/11

3:00 pm-6:02 pm

2 stops33h 02m

$784

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 1/8

7:00 am-7:25 am

1 stop16h 25m

London Heathrow

Thu 1/23

3:00 pm-8:58 pm

2 stops37h 58m

$784

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Sun 12/29

1:12 pm-11:10 am

1 stop13h 58m

London Heathrow

Tue 1/14

1:15 pm-9:07 pm

1 stop15h 52m

$785

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 1/8

1:11 pm-11:40 am

1 stop14h 29m

London Heathrow

Mon 1/27

8:25 pm-4:22 pm

2 stops27h 57m

$792

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 12/11

1:43 pm-10:35 am

1 stop13h 52m

London Heathrow

Wed 12/18

10:45 am-6:34 pm

1 stop14h 49m

$794

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 3/3

7:05 am-6:20 am

1 stop16h 15m

London Heathrow

Tue 3/11

9:25 am-9:19 pm

1 stop17h 54m

$796

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 Idaho to Heathrow

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

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

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

Currently, November is the cheapest month in which you can book a flight from Idaho to London Heathrow Airport (average of $648). Flying from Idaho to London Heathrow Airport in June is currently the most expensive (average of $1,089). 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.

What is the cheapest time of day to fly from ID to LHR?

Find hourly flight availability from Idaho to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 14, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to London Heathrow Airport as you normally would.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated November 14, 2024.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic and Air France from Idaho to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,788 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,346 reviews
Delta
8.0
Very good
8,788 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,538 reviews
Delta
8.0
Very good
8,788 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Heathrow. 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 Idaho to London Heathrow Airport one-way?

    $472 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Delta and Iberia, with prices starting from $477 and $487, respectively.

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

    Most travelers choose Spokane - London Heathrow, Boise Air Term. Gowen Fld - London Heathrow or Jackson Hole - London Heathrow when deciding on the best route from Idaho to London Heathrow Airport.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Idaho to London Heathrow Airport (average of $648). Flying from Idaho to London Heathrow Airport in June is currently the most expensive (average of $1,089). 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 Idaho to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Los Angeles to London City flights
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Dulles Intl to London City flights
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Boston to Stansted flights
Hobby to Heathrow flights
O'Hare Intl to London City flights
Newark to Stansted flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
Stewart to Luton flights
Newark to Luton flights
San Francisco to Gatwick flights
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Philadelphia to Heathrow flights
San Francisco to London City flights
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Seattle to Gatwick flights
Tampa to Heathrow flights
Seattle to London City flights
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Boston to Luton flights

Top 5 airlines flying from Idaho to Heathrow

Discover the top 5 airlines that operate flights from Idaho to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$555Average$1,208FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$653Average$854FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$659Average$973FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$668Average$964FlexibilityNo cancel feeOn-time69%
DeltaCheapest$705Average$1,002FlexibilityNo cancel feeOn-timeN/A
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