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Cheap flights from London to Idaho from £252

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 30/5. 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.
LON — BOI
11 May — 18 May1
1 adult
Sat 11/5
Sat 18/5

How far in advance should I book a flight from London to Idaho?

Find a great deal and save up to 48% by booking at least 20 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Idaho within the next two weeks, with the cheapest ticket starting at £610.

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

The best pricing can be found in the month of November. Prices to Idaho from London average £708. You can even find prices in November for less than £708, as users have found deals to Idaho from as low as £516. The month of July appears to be one of the more expensive times to travel to Idaho from London. Flying in the targeted month can save you up to 25%.

When is the cheapest time to fly from London to Idaho (LON - ID)?

When flying from London to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap United Airlines flights from London to Idaho

Explore cheap flight options specifically provided by United Airlines for the route between London and Idaho. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 878,137 searches. Data last updated 6 May 2024.
Check out some of the cheapest United Airlines flights we've come across from London to Idaho. Make sure to double check the flight details before booking.
Fri 20/911:25LHR - BOI
2 stops16h 41mUnited Airlines
Mon 23/914:30BOI - LHR
1 stop12h 10mUnited Airlines
Deal found 3/5£597
Sat 7/912:15LHR - BOI
2 stops17h 08mUnited Airlines
Sat 28/905:00BOI - LHR
2 stops17h 55mUnited Airlines
Deal found 5/5£685
Sat 7/909:30LHR - BOI
2 stops18h 46mUnited Airlines
Sat 28/914:35BOI - LHR
1 stop14h 45mUnited Airlines
Deal found 4/5£686
Fri 23/812:20LHR - BOI
2 stops32h 10mUnited Airlines
Mon 2/914:14BOI - LHR
2 stops33h 41mUnited Airlines
Deal found 4/5£716
Thu 27/608:30LHR - BOI
2 stops16h 25mUnited Airlines
Sun 7/719:05BOI - LHR
1 stop28h 50mUnited Airlines
Deal found 4/5£724
Sun 2/611:05LHR - GEG
1 stop14h 17mUnited Airlines
Sat 15/618:28GEG - LHR
1 stop31h 12mUnited Airlines
Deal found 5/5£746
Sun 12/513:05LHR - IDA
2 stops27h 38mUnited Airlines
Sun 19/517:56IDA - LHR
2 stops28h 59mUnited Airlines
Deal found 5/5£757
Tue 9/711:05LHR - IDA
1 stop13h 12mUnited Airlines
Tue 30/717:58IDA - LHR
2 stops28h 57mUnited Airlines
Deal found 5/5£936
Tue 7/514:10LHR - BOI
2 stops28h 54mUnited Airlines
Tue 14/505:00BOI - LHR
1 stop21h 40mUnited Airlines
Deal found 4/5£1,014

Cheap Finnair flights from London to Idaho

Explore cheap flight options specifically provided by Finnair for the route between London and Idaho. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 878,137 searches. Data last updated 6 May 2024.
Take a gander at the lowest prices we've found on Finnair flights from London to Idaho. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 15/513:05LHR - GEG
1 stop16h 18mFinnair
Wed 22/505:49GEG - LHR
1 stop18h 06mFinnair
Deal found 5/5£579
Wed 15/513:05LHR - GEG
1 stop16h 18mFinnair
Wed 22/505:49GEG - LHR
2 stops20h 41mFinnair
Deal found 5/5£594
Sat 7/911:15LHR - BOI
1 stop17h 45mFinnair
Sat 28/907:31BOI - LHR
1 stop17h 29mFinnair
Deal found 5/5£611
Sat 7/911:15LHR - BOI
1 stop17h 45mFinnair
Sat 28/907:31BOI - LHR
1 stop23h 54mFinnair
Deal found 4/5£613
Wed 29/507:30LHR - GEG
2 stops23h 01mFinnair
Tue 18/614:49GEG - LHR
2 stops16h 21mFinnair
Deal found 5/5£636
Tue 28/516:55LHR - GEG
1 stop37h 36mFinnair
Tue 18/614:49GEG - LHR
2 stops16h 21mFinnair
Deal found 5/5£657
Mon 1/708:40LHR - BOI
1 stop20h 31mFinnair
Tue 9/715:59BOI - LHR
2 stops16h 11mFinnair
Deal found 5/5£678
Mon 1/711:15LHR - BOI
1 stop18h 40mFinnair
Tue 9/707:04BOI - LHR
1 stop17h 56mFinnair
Deal found 5/5£680
Wed 29/513:05LHR - GEG
1 stop16h 18mFinnair
Sun 16/622:33GEG - LHR
1 stop29h 37mFinnair
Deal found 5/5£682

Cheap London to Idaho flights in May & June 2024

Find cheap flight options from London to Idaho specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 878,137 searches. Prices were last updated on 6 May 2024.
The lowest fares we've come across on flights travelling from London to Idaho in May and June 2024. Check back soon for alternative fares.
Wed 15/513:05LHR - GEG
1 stop16h 18mFinnair
Wed 22/505:49GEG - LHR
1 stop18h 06mFinnair
Deal found 5/5£579
Wed 15/513:05LHR - GEG
1 stop16h 18mFinnair
Wed 22/505:49GEG - LHR
2 stops20h 41mFinnair
Deal found 5/5£594
Wed 15/508:10LHR - GEG
2 stops21h 13mAmerican Airlines
Wed 22/505:49GEG - LHR
2 stops21h 26mAmerican Airlines
Deal found 5/5£610
Wed 29/507:30LHR - GEG
2 stops23h 01mFinnair
Tue 18/614:49GEG - LHR
2 stops16h 21mFinnair
Deal found 5/5£636
Tue 28/516:55LHR - GEG
1 stop37h 36mFinnair
Tue 18/614:49GEG - LHR
2 stops16h 21mFinnair
Deal found 5/5£657
Wed 29/513:05LHR - GEG
1 stop16h 18mFinnair
Sun 16/622:33GEG - LHR
1 stop29h 37mFinnair
Deal found 5/5£682
Wed 29/513:40LHR - GEG
2 stops17h 33mFinnair
Sun 16/622:33GEG - LHR
2 stops23h 47mFinnair
Deal found 5/5£683
Sun 12/510:55LHR - IDA
1 stop14h 22mKLM
Sun 19/519:00IDA - LHR
2 stops15h 35mKLM
Deal found 5/5£684
Mon 13/510:45LHR - BOI
1 stop18h 26mDelta
Sat 25/514:31BOI - LHR
1 stop12h 19mDelta
Deal found 4/5£692

London to Idaho 2024 flight deals

Discover exclusive flight deals for travel between London and Idaho in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 878,137 searches. Data last updated 6 May 2024.
The lowest fares we've come across on flights travelling from London to Idaho in May and June 2024. Check back soon for alternative fares.
Wed 15/513:05LHR - GEG
1 stop16h 18mFinnair
Wed 22/505:49GEG - LHR
1 stop18h 06mFinnair
Deal found 5/5£579
Wed 15/513:05LHR - GEG
1 stop16h 18mFinnair
Wed 22/505:49GEG - LHR
2 stops20h 41mFinnair
Deal found 5/5£594
Fri 20/911:25LHR - BOI
2 stops16h 41mUnited Airlines
Mon 23/914:30BOI - LHR
1 stop12h 10mUnited Airlines
Deal found 3/5£597
Wed 15/508:10LHR - GEG
2 stops21h 13mAmerican Airlines
Wed 22/505:49GEG - LHR
2 stops21h 26mAmerican Airlines
Deal found 5/5£610
Sat 7/911:15LHR - BOI
1 stop17h 45mFinnair
Sat 28/907:31BOI - LHR
1 stop17h 29mFinnair
Deal found 5/5£611
Fri 20/915:05LGW - BOI
2 stops37h 11mAmerican Airlines
Tue 24/907:31BOI - LGW
2 stops17h 39mAmerican Airlines
Deal found 3/5£612
Sat 7/911:15LHR - BOI
1 stop17h 45mFinnair
Sat 28/907:31BOI - LHR
1 stop23h 54mFinnair
Deal found 4/5£613
Wed 29/507:30LHR - GEG
2 stops23h 01mFinnair
Tue 18/614:49GEG - LHR
2 stops16h 21mFinnair
Deal found 5/5£636
Fri 23/811:15LHR - BOI
1 stop17h 45mIberia
Mon 2/913:31BOI - LHR
1 stop35h 29mIberia
Deal found 5/5£656

London to Idaho flights leaving soon

Find last-minute flight options from London to Idaho 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 878,137 searches. Data last updated 6 May 2024.
Have a look at some of the last-minute flights available departing from London to Idaho. It's wise to confirm all flight details are correct before booking.
Wed 15/513:05LHR - GEG
1 stop16h 18mFinnair
Wed 22/505:49GEG - LHR
1 stop18h 06mFinnair
Deal found 5/5£579
Wed 15/513:05LHR - GEG
1 stop16h 18mFinnair
Wed 22/505:49GEG - LHR
2 stops20h 41mFinnair
Deal found 5/5£594
Wed 15/508:10LHR - GEG
2 stops21h 13mAmerican Airlines
Wed 22/505:49GEG - LHR
2 stops21h 26mAmerican Airlines
Deal found 5/5£610
Sun 12/510:55LHR - IDA
1 stop14h 22mKLM
Sun 19/519:00IDA - LHR
2 stops15h 35mKLM
Deal found 5/5£684
Mon 13/510:50LHR - BOI
2 stops20h 24mDelta
Sat 25/510:26BOI - LHR
1 stop16h 24mDelta
Deal found 5/5£692
Sun 12/513:05LHR - IDA
2 stops27h 38mUnited Airlines
Sun 19/517:56IDA - LHR
2 stops28h 59mUnited Airlines
Deal found 5/5£757
Sun 12/509:45LHR - IDA
1 stop21h 11mMultiple Airlines
Sun 19/506:00IDA - LHR
1 stop18h 00mMultiple Airlines
Deal found 5/5£768
Fri 10/506:30LHR - BOI
2 stops22h 21mMultiple Airlines
Sun 12/508:25BOI - LHR
2 stops23h 15mMultiple Airlines
Deal found 5/5£846
Tue 7/521:25LHR - BOI
2 stops32h 02mIcelandair
Tue 14/515:00BOI - LHR
2 stops22h 20mIcelandair
Deal found 4/5£884

One-way flights to Idaho from London

Search for one-way flight options from London to Idaho. 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 878,137 searches. Data last updated 6 May 2024.
Some of the best available deals we've found on one-way flights from London to Idaho. Users can also find round-trip London to Idaho flights by using the search form above.
Thu 30/520:50LGW - BOI
3 stops50h 14mMultiple Airlines
Deal found 5/5£252
Fri 31/507:05LHR - BOI
3 stops39h 59mMultiple Airlines
Deal found 5/5£272
Thu 12/912:00LGW - BOI
1 stop15h 45mMultiple Airlines
Deal found 3/5£277
Fri 31/509:20LGW - BOI
3 stops37h 44mMultiple Airlines
Deal found 5/5£284
Wed 29/510:45LGW - BOI
2 stops36h 45mMultiple Airlines
Deal found 5/5£293
Tue 4/618:40LGW - GEG
2 stops35h 51mMultiple Airlines
Deal found 5/5£333
Fri 31/510:45LGW - BOI
2 stops36h 19mMultiple Airlines
Deal found 5/5£346
Tue 4/620:20LGW - GEG
3 stops34h 11mMultiple Airlines
Deal found 5/5£357
Wed 29/507:50LGW - BOI
3 stops39h 40mMultiple Airlines
Deal found 5/5£360

Find flights from London to Idaho within your budget

Customise your flight search to find flights from London 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 878,137 searches. Data last updated 6 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£597 - £876

Route

Depart

Return

Price

London HeathrowBoise Air Term. Gowen Fld

LHR - BOI

LHRBOI

London Heathrow

Fri 20/9

2 stops16h 41m

Boise Air Term. Gowen Fld

Mon 23/9

1 stop12h 10m

£597

London HeathrowBoise Air Term. Gowen Fld

LHR - BOI

LHRBOI

London Heathrow

Sat 7/9

1 stop17h 45m

Boise Air Term. Gowen Fld

Sat 28/9

1 stop17h 29m

£611

London GatwickBoise Air Term. Gowen Fld

LGW - BOI

LGWBOI

London Gatwick

Fri 20/9

2 stops37h 11m

Boise Air Term. Gowen Fld

Tue 24/9

2 stops17h 39m

£612

London HeathrowBoise Air Term. Gowen Fld

LHR - BOI

LHRBOI

London Heathrow

Fri 23/8

1 stop17h 45m

Boise Air Term. Gowen Fld

Mon 2/9

1 stop35h 29m

£656

London GatwickSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 15/10

2 stops17h 44m

Spokane

Fri 25/10

2 stops16h 42m

£665

London CityBoise Air Term. Gowen Fld

LCY - BOI

LCYBOI

London City

Thu 26/9

2 stops37h 16m

Boise Air Term. Gowen Fld

Mon 30/9

2 stops19h 05m

£668

London HeathrowBoise Air Term. Gowen Fld

LHR - BOI

LHRBOI

London Heathrow

Sat 7/9

2 stops16h 41m

Boise Air Term. Gowen Fld

Sat 28/9

1 stop13h 20m

£677

London HeathrowSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 15/10

2 stops15h 48m

Spokane

Fri 25/10

2 stops14h 33m

£681

London HeathrowBoise Air Term. Gowen Fld

LHR - BOI

LHRBOI

London Heathrow

Fri 20/9

2 stops21h 05m

Boise Air Term. Gowen Fld

Mon 23/9

2 stops16h 43m

£876

Flights are sorted by cheapest first

Deals found on 3/5

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

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 6 May 2024.
See what other customers who have flown with United Airlines, Finnair and American Airlines from London to Idaho have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
10,826 reviews

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

8.1
Very Good
10,826 reviews
8.1
Very Good
10,826 reviews

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

7.9
Good
1,603 reviews
8.1
Very Good
10,826 reviews

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

7.8
Good
1,381 reviews
8.1
Very Good
10,826 reviews

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

7.7
Good
740 reviews
8.1
Very Good
10,826 reviews

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

7.6
Good
1,785 reviews
8.1
Very Good
10,826 reviews

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Related info for your journey

Find useful and relevant information for your journey from London to Idaho. 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 London to Idaho for under £600 on Cheapflights?

    Yes, there are multiple flights from London to Idaho for under £600. The cheapest flight booked recently is on United Airlines for just £597, but on average you can expect to pay £659.

  • Are there last-minute flights available from London to Idaho for under £600?

    There are currently 20+ open flights from London to Idaho within the next 7 days for less than £600.

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

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

  • What does LHR to BOI mean?

    London Heathrow Airport is LHR and Boise Air Term. Gowen Fld Airport is BOI. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: 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).

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

    The amount of baggage you can bring on your London to Idaho 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 London to Idaho with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Idaho 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 London to Idaho that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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.

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

    Many airlines flying from London to Idaho 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 London to Idaho?

    Yes, you can often find last-minute deals on London to Idaho 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 London to Idaho flight deals updated?

    The London to Idaho flight deals you see on this page were last updated on 5/5.

See more FAQs

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Alternative routes for London to Idaho
See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from London to Idaho

Discover the top 7 airlines that operate flights from London to Idaho. 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 878,137 searches. Data last updated 6 May 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£534Average£623FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Austrian AirlinesCheapest£535Average£597FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£538Average£696FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£548Average£804FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£556Average£778FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£557Average£779FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£618Average£987FlexibilityNo cancel feeOn-time75%
Search KLM flights

Search flights from London to Idaho by cabin class

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Idaho?

Deals for London to Idaho flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Idaho?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Idaho for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Idaho with no change fees?

Yes, we can. To see specific flights from London to Idaho with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Idaho become cheaper?

Of course! You can now track prices for flights from London to Idaho and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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