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Cheap flights from London to Idaho from £214

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 17/5. 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
23 Apr — 30 Apr1
1 adult
Tue 23/4
Tue 30/4

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

Find a great deal and save up to 14% by booking at least 29 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 £587.

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

The best pricing can be found in the month of February. Prices to Idaho from London average £681. You can even find prices in February for less than £681, as users have found deals to Idaho from as low as £490. 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 30%.

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 899,432 searches. Data last updated 18 April 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 17/512:20LHR - BOI
1 stop15h 55mUnited Airlines
Fri 24/508:17BOI - LHR
1 stop20h 08mUnited Airlines
Deal found 17/4£694
Fri 17/512:00LHR - BOI
2 stops18h 04mUnited Airlines
Fri 24/508:17BOI - LHR
1 stop16h 08mUnited Airlines
Deal found 17/4£697
Thu 27/608:30LHR - BOI
2 stops16h 25mUnited Airlines
Sun 7/714:15BOI - LHR
1 stop34h 10mUnited Airlines
Deal found 17/4£733
Thu 27/608:30LHR - BOI
2 stops19h 50mUnited Airlines
Sun 7/705:05BOI - LHR
2 stops17h 50mUnited Airlines
Deal found 17/4£745
Wed 5/607:25LHR - GEG
2 stops23h 05mUnited Airlines
Wed 12/605:10GEG - LHR
2 stops18h 05mUnited Airlines
Deal found 17/4£747
Wed 5/611:05LHR - GEG
1 stop17h 52mUnited Airlines
Wed 12/605:10GEG - LHR
2 stops18h 05mUnited Airlines
Deal found 17/4£755
Fri 17/510:35LHR - BOI
2 stops19h 29mUnited Airlines
Fri 24/506:54BOI - LHR
2 stops17h 31mUnited Airlines
Deal found 17/4£767
Mon 13/512:20LHR - BOI
1 stop15h 55mUnited Airlines
Sat 25/517:35BOI - LHR
1 stop11h 45mUnited Airlines
Deal found 17/4£819
Mon 13/512:15LHR - BOI
2 stops17h 49mUnited Airlines
Sat 25/510:39BOI - LHR
2 stops14h 51mUnited Airlines
Deal found 18/4£820

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 899,432 searches. Data last updated 18 April 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 5/612:15LHR - GEG
1 stop17h 01mFinnair
Wed 12/622:33GEG - LHR
1 stop25h 07mFinnair
Deal found 17/4£804
Wed 3/713:05LHR - BOI
1 stop16h 06mFinnair
Sat 6/711:43BOI - LHR
1 stop35h 42mFinnair
Deal found 17/4£887

Cheap London to Idaho flights in April & May 2024

Find cheap flight options from London to Idaho specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 899,432 searches. Prices were last updated on 18 April 2024.
The lowest fares we've come across on flights travelling from London to Idaho in April and May 2024. Check back soon for alternative fares.
Fri 17/512:20LHR - BOI
1 stop15h 55mUnited Airlines
Fri 24/508:17BOI - LHR
1 stop20h 08mUnited Airlines
Deal found 17/4£694
Fri 17/512:00LHR - BOI
2 stops18h 04mUnited Airlines
Fri 24/508:17BOI - LHR
1 stop16h 08mUnited Airlines
Deal found 17/4£697
Wed 15/516:50LHR - GEG
1 stop13h 43mVirgin Atlantic
Wed 22/506:45GEG - LHR
1 stop16h 30mVirgin Atlantic
Deal found 18/4£722
Thu 16/513:00LGW - GEG
2 stops15h 49mIcelandair
Thu 23/513:33GEG - LGW
2 stops38h 12mIcelandair
Deal found 17/4£726
Wed 15/513:00LHR - GEG
2 stops17h 52mVirgin Atlantic
Wed 22/515:40GEG - LHR
2 stops16h 50mVirgin Atlantic
Deal found 18/4£727
Wed 22/521:25LHR - GEG
2 stops24h 49mIcelandair
Wed 29/520:50GEG - LHR
2 stops15h 30mIcelandair
Deal found 18/4£746
Thu 16/519:40LHR - GEG
2 stops33h 43mAmerican Airlines
Thu 23/505:49GEG - LHR
2 stops20h 21mAmerican Airlines
Deal found 17/4£749
Thu 16/513:05LHR - GEG
1 stop16h 18mAmerican Airlines
Thu 23/505:49GEG - LHR
2 stops20h 21mAmerican Airlines
Deal found 17/4£758
Fri 17/510:35LHR - BOI
2 stops19h 29mUnited Airlines
Fri 24/506:54BOI - LHR
2 stops17h 31mUnited Airlines
Deal found 17/4£767

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 899,432 searches. Data last updated 18 April 2024.
The lowest fares we've come across on flights travelling from London to Idaho in April and May 2024. Check back soon for alternative fares.
Tue 3/908:00LHR - GEG
2 stops20h 41mUnited Airlines
Tue 1/1005:15GEG - LHR
2 stops16h 40mUnited Airlines
Deal found 18/4£625
Tue 15/1021:25LHR - GEG
2 stops31h 24mIcelandair
Fri 25/1013:33GEG - LHR
2 stops14h 22mIcelandair
Deal found 18/4£664
Fri 17/512:20LHR - BOI
1 stop15h 55mUnited Airlines
Fri 24/508:17BOI - LHR
1 stop20h 08mUnited Airlines
Deal found 17/4£694
Fri 17/512:00LHR - BOI
2 stops18h 04mUnited Airlines
Fri 24/508:17BOI - LHR
1 stop16h 08mUnited Airlines
Deal found 17/4£697
Tue 15/1013:00LGW - GEG
2 stops15h 49mIcelandair
Fri 25/1013:33GEG - LGW
2 stops14h 12mIcelandair
Deal found 18/4£699
Thu 14/1115:00LGW - IDA
2 stops52h 48mAmerican Airlines
Mon 18/1113:50IDA - LGW
2 stops35h 15mAmerican Airlines
Deal found 16/4£701
Thu 14/1115:00LGW - IDA
2 stops52h 48mAmerican Airlines
Mon 18/1113:50IDA - LGW
2 stops59h 15mAmerican Airlines
Deal found 17/4£702
Thu 14/1108:15LHR - IDA
2 stops35h 33mAmerican Airlines
Mon 18/1113:50IDA - LHR
2 stops22h 05mAmerican Airlines
Deal found 17/4£706
Tue 15/1011:05LHR - GEG
1 stop17h 51mMultiple Airlines
Fri 25/1015:50GEG - LHR
1 stop14h 20mMultiple Airlines
Deal found 18/4£708

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 899,432 searches. Data last updated 18 April 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.
Fri 17/507:45LHR - BOI
3 stops39h 19mMultiple Airlines
Deal found 17/4£214
Fri 17/519:40LGW - BOI
3 stops50h 50mMultiple Airlines
Deal found 17/4£370
Mon 30/913:00LGW - GEG
2 stops18h 56mIcelandair
Deal found 17/4£436
Mon 30/913:05LHR - GEG
2 stops18h 51mIcelandair
Deal found 17/4£437
Sat 25/514:00LGW - IDA
2 stops31h 52mMultiple Airlines
Deal found 17/4£442
Sat 22/621:00LHR - IDA
3 stops49h 12mMultiple Airlines
Deal found 18/4£504
Fri 17/513:00LGW - BOI
2 stops16h 00mIcelandair
Deal found 17/4£592
Fri 17/514:10LHR - BOI
2 stops32h 54mMultiple Airlines
Deal found 17/4£635
Sat 25/522:05LHR - IDA
3 stops48h 10mMultiple Airlines
Deal found 17/4£649

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 899,432 searches. Data last updated 18 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£694 - £816

Route

Depart

Return

Price

London HeathrowBoise Air Term. Gowen Fld

LHR - BOI

LHRBOI

London Heathrow

Fri 17/5

1 stop15h 55m

Boise Air Term. Gowen Fld

Fri 24/5

1 stop20h 08m

£694

London GatwickSpokane

LGW - GEG

LGWGEG

London Gatwick

Wed 5/6

1 stop19h 46m

Spokane

Wed 12/6

2 stops41h 25m

£694

London GatwickSpokane

LGW - GEG

LGWGEG

London Gatwick

Wed 5/6

2 stops15h 49m

Spokane

Wed 12/6

2 stops30h 55m

£700

London HeathrowSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 15/5

1 stop13h 43m

Spokane

Wed 22/5

1 stop16h 30m

£722

London HeathrowBoise Air Term. Gowen Fld

LHR - BOI

LHRBOI

London Heathrow

Fri 21/6

1 stop17h 15m

Boise Air Term. Gowen Fld

Fri 12/7

1 stop12h 13m

£746

London HeathrowSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 16/5

2 stops33h 43m

Spokane

Thu 23/5

2 stops20h 21m

£749

London HeathrowSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 16/5

1 stop21h 32m

Spokane

Thu 23/5

1 stop17h 05m

£790

London HeathrowSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 5/6

1 stop17h 01m

Spokane

Wed 12/6

1 stop25h 07m

£804

London HeathrowBoise Air Term. Gowen Fld

LHR - BOI

LHRBOI

London Heathrow

Mon 13/5

2 stops19h 05m

Boise Air Term. Gowen Fld

Sat 25/5

1 stop18h 52m

£816

Flights are sorted by cheapest first

Deals found on 17/4

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 18 April 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
11,104 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

8.1
Very Good
11,104 reviews
8.1
Very Good
11,104 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.9
Good
1,646 reviews
8.1
Very Good
11,104 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.8
Good
1,388 reviews
8.1
Very Good
11,104 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.7
Good
750 reviews
8.1
Very Good
11,104 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.6
Good
1,825 reviews
8.1
Very Good
11,104 reviews

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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 £700 on Cheapflights?

    Yes, there are multiple flights from London to Idaho for under £700. The cheapest flight booked recently is on United Airlines for just £694, but on average you can expect to pay £740.

  • 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 18/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 899,432 searches. Data last updated 18 April 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£537Average£634FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Austrian AirlinesCheapest£539Average£602FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£540Average£701FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£552Average£810FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£554Average£779FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£561Average£784FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£623Average£994FlexibilityNo 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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