This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BOI
14 Dec — 21 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Boise Air Term. Gowen Fld are usually found in September or February, booked 16 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Cheap flight deals from London to Boise
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Boise (BOI). 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 14 November 2025.
Explore the most affordable flight options available from London to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.
Sat 6/1211:55LGW - BOI
2 stops16h 50mIcelandair
Thu 11/1212:19BOI - LGW
2 stops15h 36mIcelandair
Deal found 13/11£657
Sat 6/1212:15LHR - BOI
2 stops16h 30mIcelandair
Thu 11/1212:19BOI - LHR
2 stops15h 31mIcelandair
Deal found 13/11£660
Thu 11/1207:40LHR - BOI
2 stops17h 27mLufthansa
Fri 9/112:19BOI - LHR
1 stop12h 36mLufthansa
Deal found 13/11£668
Mon 8/1212:15LHR - BOI
2 stops17h 55mMultiple Airlines
Tue 16/1211:45BOI - LHR
2 stops16h 05mMultiple Airlines
Deal found 12/11£699
Tue 9/1212:15LHR - BOI
2 stops17h 41mMultiple Airlines
Mon 15/1211:45BOI - LHR
2 stops16h 05mMultiple Airlines
Deal found 13/11£711
Thu 4/1211:55LGW - BOI
2 stops18h 55mMultiple Airlines
Mon 15/1220:16BOI - LGW
2 stops31h 39mMultiple Airlines
Deal found 13/11£714
Mon 8/1220:35LHR - BOI
2 stops32h 10mMultiple Airlines
Mon 15/1205:45BOI - LHR
2 stops22h 05mMultiple Airlines
Deal found 13/11£715
Tue 9/1211:05LHR - BOI
1 stop20h 04mVirgin Atlantic
Sun 14/1215:54BOI - LHR
2 stops32h 56mVirgin Atlantic
Deal found 12/11£717
Thu 11/1211:55LGW - BOI
2 stops18h 15mMultiple Airlines
Fri 9/109:02BOI - LGW
2 stops18h 53mMultiple Airlines
Deal found 12/11£758
Mon 8/1211:45LGW - BOI
2 stops31h 42mIberia
Tue 16/1206:44BOI - LGW
2 stops29h 16mIberia
Deal found 12/11£805
Mon 8/1209:50LCY - BOI
2 stops32h 44mMultiple Airlines
Mon 15/1208:15BOI - LCY
2 stops21h 40mMultiple Airlines
Deal found 13/11£805
Mon 8/1211:55LGW - BOI
2 stops16h 50mMultiple Airlines
Tue 16/1211:45BOI - LGW
2 stops16h 10mMultiple Airlines
Deal found 14/11£825
Best flights from London to Boise
Discover carefully curated flight deals from London to Boise that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 November 2025.
Mon 20/407:25LHR - BOI
2 stops33h 29mUnited Airlines
Mon 27/417:30BOI - LHR
2 stops20h 10mUnited Airlines
Deal found 13/11£569
Tue 7/415:40LGW - BOI
2 stops37h 41mIcelandair
Tue 14/416:30BOI - LGW
2 stops15h 10mIcelandair
Deal found 13/11£632
Mon 9/209:50LCY - BOI
2 stops32h 35mMultiple Airlines
Mon 16/210:25BOI - LCY
2 stops24h 15mMultiple Airlines
Deal found 13/11£679
Mon 8/1211:45LGW - BOI
2 stops31h 42mIberia
Tue 16/1206:44BOI - LGW
2 stops29h 16mIberia
Deal found 12/11£805
Mon 8/1208:40LCY - BOI
2 stops22h 29mVirgin Atlantic
Mon 15/1212:55BOI - LCY
2 stops21h 25mVirgin Atlantic
Deal found 13/11£859
Wed 29/410:50LHR - BOI
2 stops18h 45mUnited Airlines
Sun 3/514:11BOI - LHR
1 stop36h 59mUnited Airlines
Deal found 12/11£578
Mon 9/210:25LHR - BOI
1 stop19h 32mUnited Airlines
Thu 19/208:41BOI - LHR
1 stop15h 44mUnited Airlines
Deal found 13/11£581
Sat 6/1211:55LGW - BOI
2 stops16h 50mIcelandair
Thu 11/1212:19BOI - LGW
2 stops15h 36mIcelandair
Deal found 13/11£657
Sat 10/112:15LCY - BOI
3 stops41h 42mMultiple Airlines
Wed 21/112:19BOI - LCY
2 stops17h 36mMultiple Airlines
Deal found 13/11£687
Wed 11/210:05LHR - BOI
1 stop18h 18mUnited Airlines
Wed 18/206:25BOI - LHR
1 stop20h 15mUnited Airlines
Deal found 13/11£581
Mon 20/415:40LGW - BOI
2 stops37h 41mIcelandair
Mon 27/417:30BOI - LGW
2 stops14h 10mIcelandair
Deal found 13/11£658
Tue 10/213:45LHR - BOI
1 stop14h 38mUnited Airlines
Thu 19/208:41BOI - LHR
1 stop15h 44mUnited Airlines
Deal found 13/11£581
Thu 4/1211:55LGW - BOI
2 stops18h 55mMultiple Airlines
Mon 15/1220:16BOI - LGW
2 stops31h 39mMultiple Airlines
Deal found 13/11£714
Mon 9/210:25LHR - BOI
1 stop19h 32mUnited Airlines
Tue 17/210:53BOI - LHR
1 stop13h 32mUnited Airlines
Deal found 13/11£581
Mon 9/211:55LGW - BOI
2 stops16h 10mMultiple Airlines
Mon 16/211:54BOI - LGW
2 stops16h 01mMultiple Airlines
Deal found 13/11£726
Mon 8/1208:40LCY - BOI
2 stops22h 29mVirgin Atlantic
Tue 16/1214:04BOI - LCY
2 stops19h 31mVirgin Atlantic
Deal found 12/11£913
Mon 9/213:45LHR - BOI
1 stop14h 38mUnited Airlines
Wed 18/212:16BOI - LHR
1 stop12h 39mUnited Airlines
Deal found 13/11£581
Thu 11/1211:55LGW - BOI
2 stops18h 15mMultiple Airlines
Fri 9/109:02BOI - LGW
2 stops18h 53mMultiple Airlines
Deal found 12/11£758
Tue 10/211:35LHR - BOI
1 stop17h 17mUnited Airlines
Mon 16/210:53BOI - LHR
1 stop13h 32mUnited Airlines
Deal found 13/11£581
Wed 1/415:40LGW - BOI
2 stops37h 41mIcelandair
Sat 11/416:30BOI - LGW
2 stops15h 10mIcelandair
Deal found 12/11£853
Wed 11/211:35LHR - BOI
1 stop13h 32mUnited Airlines
Mon 16/205:00BOI - LHR
1 stop21h 40mUnited Airlines
Deal found 13/11£581
Mon 8/1209:50LCY - BOI
2 stops32h 44mMultiple Airlines
Mon 15/1208:15BOI - LCY
2 stops21h 40mMultiple Airlines
Deal found 13/11£805
Tue 10/211:35LHR - BOI
1 stop13h 32mUnited Airlines
Wed 18/214:40BOI - LHR
1 stop12h 00mUnited Airlines
Deal found 13/11£581
Mon 8/1211:55LGW - BOI
2 stops16h 50mMultiple Airlines
Tue 16/1211:45BOI - LGW
2 stops16h 10mMultiple Airlines
Deal found 14/11£825
Thu 4/1209:40LCY - BOI
2 stops32h 54mMultiple Airlines
Mon 15/1208:15BOI - LCY
2 stops21h 40mMultiple Airlines
Deal found 13/11£835
Mon 8/1211:55LGW - BOI
2 stops16h 50mMultiple Airlines
Mon 15/1211:45BOI - LGW
2 stops16h 10mMultiple Airlines
Deal found 14/11£862
Tue 7/406:45LCY - BOI
2 stops21h 52mMultiple Airlines
Tue 14/412:55BOI - LCY
2 stops22h 25mMultiple Airlines
Deal found 13/11£987
Last-minute flights from London to Boise
Discover last-minute flight deals from London to Boise. Data last updated 14 November 2025 and is based on user searches.
Thu 4/1211:55LGW - BOI
2 stops18h 55mMultiple Airlines
Mon 15/1220:16BOI - LGW
2 stops31h 39mMultiple Airlines
Deal found 13/11£714
Sat 6/1211:55LGW - BOI
2 stops16h 50mIcelandair
Thu 11/1212:19BOI - LGW
2 stops15h 36mIcelandair
Deal found 13/11£657
Sat 6/1212:15LHR - BOI
2 stops16h 30mIcelandair
Thu 11/1212:19BOI - LHR
2 stops15h 31mIcelandair
Deal found 13/11£660
Mon 8/1212:15LHR - BOI
2 stops17h 55mMultiple Airlines
Tue 16/1211:45BOI - LHR
2 stops16h 05mMultiple Airlines
Deal found 12/11£699
Mon 8/1220:35LHR - BOI
2 stops32h 10mMultiple Airlines
Mon 15/1205:45BOI - LHR
2 stops22h 05mMultiple Airlines
Deal found 13/11£715
Mon 8/1211:45LGW - BOI
2 stops31h 42mIberia
Tue 16/1206:44BOI - LGW
2 stops29h 16mIberia
Deal found 12/11£805
Mon 8/1209:50LCY - BOI
2 stops32h 44mMultiple Airlines
Mon 15/1208:15BOI - LCY
2 stops21h 40mMultiple Airlines
Deal found 13/11£805
Mon 8/1211:55LGW - BOI
2 stops16h 50mMultiple Airlines
Tue 16/1211:45BOI - LGW
2 stops16h 10mMultiple Airlines
Deal found 14/11£825
Tue 9/1212:15LHR - BOI
2 stops17h 41mMultiple Airlines
Mon 15/1211:45BOI - LHR
2 stops16h 05mMultiple Airlines
Deal found 13/11£711
Tue 9/1211:05LHR - BOI
1 stop20h 04mVirgin Atlantic
Sun 14/1215:54BOI - LHR
2 stops32h 56mVirgin Atlantic
Deal found 12/11£717
Thu 11/1207:40LHR - BOI
2 stops17h 27mLufthansa
Fri 9/112:19BOI - LHR
1 stop12h 36mLufthansa
Deal found 13/11£668
Thu 11/1211:55LGW - BOI
2 stops18h 15mMultiple Airlines
Fri 9/109:02BOI - LGW
2 stops18h 53mMultiple Airlines
Deal found 12/11£758
One-way flights from London to Boise
Search for one-way flight options from London to Boise. Find affordable one-way fares based on user searches. Data last updated 14 November 2025.
Thu 18/1210:05LHR - BOI
2 stops19h 02mMultiple Airlines
Deal found 13/11£813
Thu 18/1210:20LHR - BOI
2 stops18h 45mScandinavian Airlines
Deal found 12/11£928
Thu 18/1210:05LHR - BOI
1 stop16h 08mAir New Zealand
Deal found 13/11£950
Cheapflights Fare Finder
Customise your flight search to find flights from London to Boise 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 858,174 searches. Data last updated 14 November 2025.
Use the filters below to find and compare flights from London to Boise that are best for you.
Fly from
London
Fly to
Boise
Route
Depart
Return
Price
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Mon 20/4
07:25-09:54
2 stops33h 29m
Boise Air Term. Gowen Fld
Mon 27/4
17:30-20:40
2 stops20h 10m
£569
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Wed 29/4
10:50-22:35
2 stops18h 45m
Boise Air Term. Gowen Fld
Sun 3/5
14:11-10:10
1 stop36h 59m
£578
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Mon 9/2
10:25-22:57
1 stop19h 32m
Boise Air Term. Gowen Fld
Thu 19/2
08:41-07:25
1 stop15h 44m
£581
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Wed 11/2
10:05-21:23
1 stop18h 18m
Boise Air Term. Gowen Fld
Wed 18/2
06:25-09:40
1 stop20h 15m
£581
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Tue 10/2
13:45-21:23
1 stop14h 38m
Boise Air Term. Gowen Fld
Thu 19/2
08:41-07:25
1 stop15h 44m
£581
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Mon 9/2
10:25-22:57
1 stop19h 32m
Boise Air Term. Gowen Fld
Tue 17/2
10:53-07:25
1 stop13h 32m
£581
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Mon 9/2
13:45-21:23
1 stop14h 38m
Boise Air Term. Gowen Fld
Wed 18/2
12:16-07:55
1 stop12h 39m
£581
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Tue 10/2
11:35-21:52
1 stop17h 17m
Boise Air Term. Gowen Fld
Mon 16/2
10:53-07:25
1 stop13h 32m
£581
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Wed 11/2
11:35-18:07
1 stop13h 32m
Boise Air Term. Gowen Fld
Mon 16/2
05:00-09:40
1 stop21h 40m
£581
LondonBoise
LHR - BOI
LHRBOI
London Heathrow
Tue 10/2
11:35-18:07
1 stop13h 32m
Boise Air Term. Gowen Fld
Wed 18/2
14:40-09:40
1 stop12h 00m
£581
Flights are sorted by cheapest return flights first.
Deals found on 13/11
Showing 1-10 of 30 results
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Best time to book a flight from London to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from London with our price prediction graph.
Estimated return 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.
Cheapflights Insights
Everything you need to know about your flight from London to Boise
How far ahead should I book a flight from London to Boise?
Use this chart to determine the optimal time to book a return flight from London to Boise. Price data was last updated on 7 November 2025.
To ensure you get the cheapest price possible for a flight from London to Boise, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London to Boise?
Currently, May is the cheapest month in which you can book a flight from London to Boise (average of £549). Flying from London to Boise in December is currently the most expensive (average of £736). 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 LON to BOI?
Find hourly flight availability from London to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.
It’s typically best to fly out from London to Boise at midday. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.
How much does it cost for a return flight from London to Boise?
What’s the top stopover airport for flights from London to Boise?
Share of one-stop return flights from London to Boise chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Denver (DEN) – chosen by Cheapflights users on 49% of one-stop itineraries from London to Boise on Cheapflights.
What’s the cheapest stopover airport for flights from London to Boise?
Average return fare for one-stop flights from London to Boise, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Salt Lake City (SLC) is the most affordable one-stop option, with an average return flight price of £640.
What’s the fastest stopover option from London to Boise?
Shortest average travel time for one-stop one-way flights from London to Boise, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Salt Lake City (SLC) have the shortest average one-way travel time for one-stop routes: 13h 00m.
Which airport typically offers the quickest stopover for flights from London to Boise?
Average stopover duration for one-stop one-way flights from London to Boise, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 27m.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated 14 November 2025.
See what other customers who have flown with KLM, Virgin Atlantic, andUnited Airlines from London to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Related info for your journey
Find useful and relevant information for your journey from London to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Boise from London?
Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld is the airport most travelers will use when flying to Boise from London. Booking flights from London to Air Term. Gowen Fld (BOI) should be relatively easy as there are 0 daily inbound flights from London from 4 different airlines.
How long is the flight from London to Boise?
Departing from London to Boise will take you 33h 29m. London and Boise are separated by a distance of 4829 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London to Boise round-trip?
According to our current data, Finnair (£528), United Airlines (£551), and Lufthansa (£553) offers the cheapest pricing from London to Boise. Finnair is priced at 28% lower than the current average price of a flight leaving 3 months from now.
What are the most popular routes from London to Boise?
The most popular flight routes from London to Boise are London Heathrow - Boise Air Term. Gowen Fld, London Gatwick - Boise Air Term. Gowen Fld and London City - Boise Air Term. Gowen Fld.
Can I find deals for flights from London to Boise that include hotel bookings?
Yes. In addition to deals on London to Boise flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Boise.
Can I find deals for business class flights from London to Boise?
Yes. Cheapflights offers flight deals from London to Boise 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 to Boise?
Currently, May is the cheapest month in which you can book a flight from London to Boise (average of £549). Flying from London to Boise in December is currently the most expensive (average of £736). 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.
Discover the top 4 airlines that operate flights from London to Boise. 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 858,174 searches. Data last updated 14 November 2025.
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 Boise?
Deals for London to Boise 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 Boise?
Cheapflights helps you find that perfect flight to Boise from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from London to Boise with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Boise flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from London to Boise become cheaper?
Yes, Cheapflights offers price alerts on London to Boise flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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