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Cheap flights from Idaho to Heathrow (LHR) from $418

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOI — LHR
Jun 17 — Jun 241
From?
To?
Mon 6/17
Mon 6/24
1 adult, Economy
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How far in advance should I book a flight from Idaho to London Heathrow Airport?

Travelers have found it’s best to book a flight 29 days in advance to save up to 208% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 29 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Idaho to London Heathrow Airport 1-2 weeks in advance for as low as $725, or $2,016 for flights within the next 24 hours.

What is the cheapest month to fly from Idaho to London Heathrow Airport?

Flights from Idaho to London Heathrow Airport lean towards being more expensive in June. Prices are generally better when you fly from Idaho to London Heathrow Airport in March, with the cheapest ticket starting at $602.

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

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.

Cheap Idaho to Heathrow flights in June & July 2024

Find cheap flight options from Idaho to Heathrow specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 12, 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 7/3012:51 amBOI - LHR
1 stop24h 09mAmerican Airlines
Tue 8/136:45 amLHR - BOI
2 stops21h 46mAmerican Airlines
Deal found 6/11$860
Wed 7/3111:46 amBOI - LHR
2 stops15h 44mAmerican Airlines
Tue 8/136:45 amLHR - BOI
2 stops21h 46mAmerican Airlines
Deal found 6/11$864
Wed 7/107:04 amBOI - LHR
2 stops17h 36mAmerican Airlines
Thu 7/1810:05 amLHR - BOI
2 stops19h 05mAmerican Airlines
Deal found 6/11$882
Tue 7/303:44 pmBOI - LHR
1 stop14h 01mAmerican Airlines
Thu 8/89:45 amLHR - BOI
1 stop20h 54mAmerican Airlines
Deal found 6/10$891
Wed 7/313:22 pmGEG - LHR
1 stop15h 28mKLM
Tue 8/134:50 pmLHR - GEG
1 stop13h 58mKLM
Deal found 6/11$891
Wed 7/3112:29 pmGEG - LHR
2 stops17h 26mAmerican Airlines
Tue 8/138:40 amLHR - GEG
1 stop19h 56mAmerican Airlines
Deal found 6/11$893
Tue 7/912:51 amBOI - LHR
1 stop22h 34mAmerican Airlines
Thu 7/1810:05 amLHR - BOI
2 stops19h 05mAmerican Airlines
Deal found 6/11$895
Wed 7/315:45 amGEG - LHR
2 stops16h 45mAmerican Airlines
Tue 8/1310:05 amLHR - GEG
2 stops18h 31mAmerican Airlines
Deal found 6/11$895
Tue 7/3011:46 amBOI - LHR
2 stops16h 04mAmerican Airlines
Thu 8/89:35 amLHR - BOI
2 stops18h 56mAmerican Airlines
Deal found 6/10$896

Idaho to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Idaho and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 10/26:00 amGEG - LHR
1 stop18h 00mAmerican Airlines
Wed 10/97:40 amLHR - GEG
2 stops20h 48mAmerican Airlines
Deal found 6/11$617
Wed 10/26:00 amGEG - LHR
2 stops16h 50mAmerican Airlines
Wed 10/97:40 amLHR - GEG
2 stops20h 48mAmerican Airlines
Deal found 6/11$621
Wed 10/98:45 amBOI - LHR
1 stop22h 25mUnited Airlines
Wed 11/67:40 amLHR - BOI
2 stops22h 33mUnited Airlines
Deal found 6/11$634
Sun 11/176:45 amBOI - LHR
2 stops17h 45mUnited Airlines
Wed 11/2711:10 amLHR - BOI
2 stops19h 03mUnited Airlines
Deal found 6/11$638
Wed 10/97:30 amBOI - LHR
1 stop23h 00mDelta
Thu 11/76:20 amLHR - BOI
2 stops19h 40mDelta
Deal found 6/11$640
Wed 9/251:50 pmBOI - LHR
1 stop18h 00mDelta
Thu 10/106:15 amLHR - BOI
2 stops19h 45mDelta
Deal found 6/11$641
Mon 11/1111:10 amBOI - LHR
1 stop15h 50mKLM
Mon 11/256:50 pmLHR - BOI
2 stops28h 53mKLM
Deal found 6/10$644
Wed 9/251:05 pmBOI - LHR
2 stops17h 10mDelta
Thu 10/106:15 amLHR - BOI
2 stops17h 01mDelta
Deal found 6/11$645
Wed 12/41:15 pmJAC - LHR
1 stop13h 45mKLM
Thu 12/1910:45 amLHR - JAC
1 stop13h 30mKLM
Deal found 6/11$648

Idaho to Heathrow flights leaving soon

Find last-minute flight options from Idaho to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
Book one of these great deals on flights from Idaho to London. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 6/195:10 amGEG - LHR
1 stop23h 10mUnited Airlines
Fri 6/283:20 pmLHR - GEG
1 stop15h 20mUnited Airlines
Deal found 6/11$1,064
Thu 6/2012:34 pmBOI - LHR
1 stop12h 56mUnited Airlines
Fri 6/282:10 pmLHR - BOI
1 stop15h 02mUnited Airlines
Deal found 6/11$1,114
Thu 6/2010:45 amBOI - LHR
2 stops14h 45mUnited Airlines
Fri 6/2811:25 amLHR - BOI
1 stop17h 47mUnited Airlines
Deal found 6/11$1,118
Wed 6/196:28 pmGEG - LHR
2 stops27h 27mUnited Airlines
Fri 6/283:20 pmLHR - GEG
1 stop15h 20mUnited Airlines
Deal found 6/11$1,118
Wed 6/196:37 amGEG - LHR
2 stops16h 03mAmerican Airlines
Fri 6/289:30 amLHR - GEG
2 stops19h 46mAmerican Airlines
Deal found 6/11$1,131
Thu 6/205:30 amBOI - LHR
1 stop18h 45mDelta
Fri 6/2812:10 pmLHR - BOI
2 stops18h 52mDelta
Deal found 6/12$1,138
Tue 6/185:45 amGEG - LHR
1 stop21h 05mAmerican Airlines
Sat 6/298:40 amLHR - GEG
1 stop19h 55mAmerican Airlines
Deal found 6/10$1,177
Tue 6/185:45 amGEG - LHR
1 stop21h 05mAmerican Airlines
Sat 6/299:30 amLHR - GEG
2 stops19h 46mAmerican Airlines
Deal found 6/10$1,182
Thu 6/205:30 amBOI - LHR
1 stop18h 45mDelta
Fri 6/284:50 pmLHR - BOI
1 stop14h 00mDelta
Deal found 6/12$1,197

One-way flights to Heathrow from Idaho

Search for one-way flight options from Idaho to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
If you're seeking multiple options on one-way flights from Idaho to London, be sure to check out these deals, which are updated often. Users needing a return flight from Idaho to London should utilize the search form above.
Tue 10/81:22 pmGEG - LHR
2 stops14h 33mIcelandair
Deal found 6/11$418
Sat 8/176:00 pmBOI - LHR
3 stops34h 55mMultiple Airlines
Deal found 6/11$427
Sat 10/127:10 pmBOI - LHR
2 stops18h 30mUnited Airlines
Deal found 6/11$428
Tue 10/82:30 pmGEG - LHR
1 stop16h 20mKLM
Deal found 6/11$428
Tue 10/85:15 amGEG - LHR
3 stops19h 20mAir Canada
Deal found 6/11$434
Sat 10/127:10 pmBOI - LHR
1 stop32h 15mUnited Airlines
Deal found 6/11$440
Mon 8/199:15 pmBOI - LHR
3 stops34h 20mMultiple Airlines
Deal found 6/12$455
Fri 9/207:00 amBOI - LHR
2 stops16h 20mUnited Airlines
Deal found 6/12$478
Sun 8/189:15 pmBOI - LHR
3 stops31h 40mMultiple Airlines
Deal found 6/11$482

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 3,117,830 searches. Data last updated June 12, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$617 - $768

Route

Depart

Return

Price

SpokaneLondon Heathrow

GEG - LHR

GEGLHR

Spokane

Wed 10/2

1 stop18h 00m

London Heathrow

Wed 10/9

2 stops20h 48m

$617

Boise Air Term. Gowen FldLondon Heathrow

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 10/9

1 stop22h 25m

London Heathrow

Wed 11/6

2 stops22h 33m

$634

Boise Air Term. Gowen FldLondon Heathrow

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 10/9

1 stop23h 00m

London Heathrow

Thu 11/7

2 stops19h 40m

$640

Boise Air Term. Gowen FldLondon Heathrow

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 11/11

1 stop15h 50m

London Heathrow

Mon 11/25

2 stops28h 53m

$644

SpokaneLondon Heathrow

GEG - LHR

GEGLHR

Spokane

Wed 9/18

1 stop17h 35m

London Heathrow

Wed 9/25

2 stops20h 07m

$649

SpokaneLondon Heathrow

GEG - LHR

GEGLHR

Spokane

Tue 9/3

1 stop20h 24m

London Heathrow

Thu 9/12

2 stops15h 35m

$676

Boise Air Term. Gowen FldLondon Heathrow

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 10/21

2 stops28h 20m

London Heathrow

Sun 10/27

2 stops31h 58m

$686

SpokaneLondon Heathrow

GEG - LHR

GEGLHR

Spokane

Tue 9/17

2 stops16h 50m

London Heathrow

Tue 9/24

2 stops39h 10m

$686

Boise Air Term. Gowen FldLondon Heathrow

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 8/12

1 stop14h 31m

London Heathrow

Mon 8/26

1 stop16h 31m

$768

Flights are sorted by cheapest first

Deals found on 6/11

No data available for this route at this time. Please check back soon.

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.

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 June 12, 2024.
Peruse reviews from past customers who have flown with KLM, Delta and American Airlines 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
10,000 reviews

Crew

8.6

Overall

8.0

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,466 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Virgin Atlantic
7.6
Good
714 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.5
Good
1,699 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Idaho to London Heathrow Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from Idaho to London Heathrow Airport for under $700. The cheapest flight booked recently is on American Airlines for just $617, but on average you can expect to pay $644.

  • Are there last-minute flights available from Idaho to London Heathrow Airport for under $1,100?

    There are currently 20+ open flights from Idaho to London Heathrow Airport within the next 7 days for less than $1,100.

  • What are the cheapest airlines to fly from Idaho to London Heathrow Airport one-way?

    $418 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on United Airlines and KLM, with prices starting from $428 and $428, respectively.

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

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

  • What does BOI to LHR mean?

    BOI stands for Boise Air Term. Gowen Fld Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Idaho Falls Fanning Field Airport (IDA), Hailey Sun Valley-Friedman Airport (SUN), Lewiston Nez Perce Rgnl Airport (LWS), Twin Falls Joslin Airport (TWF), Pocatello Airport (PIH) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Idaho to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Idaho to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Idaho to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Idaho to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Idaho to Heathrow that allow pets onboard?

    Many airlines flying from Idaho to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Idaho to Heathrow?

    Yes, you can often find last-minute deals on Idaho to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Idaho to London Heathrow Airport flight deals updated?

    The Idaho to London Heathrow Airport flight deals you see on this page were last updated on 6/11.

  • What are the most popular airlines that fly from Idaho to London Heathrow Airport?

    Consider American Airlines, Delta or KLM when booking your flight. These represent the most popular airlines when flying from Idaho to London Heathrow Airport.

  • 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 $652). Flying from Idaho to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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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Top 6 airlines flying from Idaho to Heathrow

Discover the top 6 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 3,117,830 searches. Data last updated June 12, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$438Average$786FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$661Average$872FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$669Average$925FlexibilityNo cancel feeOn-time69%
DeltaCheapest$675Average$879FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$684Average$849FlexibilityNo cancel feeOn-time71%
KLMCheapest$786Average$946FlexibilityNo cancel feeOn-time75%
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Search flights from Idaho to Heathrow by cabin class

Find flights from Idaho to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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