How long is the flight from London to Boise?

Departing from London to Boise will take you 20h 57m. 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, Lufthansa (£503), United Airlines (£520), and Virgin Atlantic (£712) offers the cheapest pricing from London to Boise. Lufthansa is priced at 38% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Boise ranges from 5.0 - 41.0 inches per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Boise when rainfall is around 5.0 mm.

If weather is an important factor for your trip to Boise, 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 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

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.

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

Before booking your flight from London to Boise check out the most popular airlines for this route: Virgin Atlantic, United Airlines or Lufthansa.

What is the cheapest time of day to fly from LON to BOI?

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

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.

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.

£368+ Cheap Flights from London to Boise

Cheap flight deals from London to Boise

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to Boise
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 31 August 2026.

Tue 13/1014:30 -

1 stop15h 27m

Tue 20/1007:20 -

1 stop19h 55m

Deal found 28/8£596

Thu 15/1017:00 -

1 stop13h 59m

Tue 27/1016:18 -

1 stop14h 02m

Deal found 28/8£639

Sun 11/1011:40 -

1 stop19h 19m

Sun 18/1016:18 -

1 stop16h 17m

Deal found 27/8£665

Mon 16/1107:30 -

2 stops22h 21m

Mon 30/1114:51 -

1 stop11h 49m

Deal found 26/8£668

Mon 28/913:05 -

2 stops30h 53m

Wed 14/1017:30 -

1 stop12h 05m

Deal found 27/8£689

Tue 29/915:05 -

2 stops28h 58m

Wed 14/1010:30 -

2 stops19h 50m

Deal found 27/8£689

Sat 31/1006:35 -

2 stops20h 57m

Sun 6/1216:24 -

2 stops31h 46m

Deal found 29/8£695

Mon 28/908:30 -

2 stops35h 28m

Wed 14/1010:30 -

2 stops19h 50m

Deal found 27/8£696

Tue 29/917:00 -

1 stop28h 22m

Thu 15/1014:06 -

1 stop17h 59m

Deal found 27/8£697

Sat 31/1007:40 -

2 stops36h 28m

Sun 6/1215:10 -

1 stop14h 10m

Deal found 29/8£707

Mon 16/1110:25 -

2 stops18h 55m

Mon 30/1114:00 -

2 stops18h 00m

Deal found 26/8£739

Tue 13/1010:20 -

2 stops16h 46m

Tue 20/1014:06 -

2 stops21h 44m

Deal found 28/8£771

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 31 August 2026.

Mon 16/1108:30 -

2 stops21h 21m

Mon 30/1112:31 -

2 stops17h 19m

Deal found 26/8£672

Sat 31/1006:35 -

2 stops20h 57m

Sun 6/1216:24 -

2 stops31h 46m

Deal found 29/8£695

Mon 16/1110:25 -

2 stops18h 55m

Mon 30/1114:00 -

2 stops18h 00m

Deal found 26/8£739

Thu 15/1017:00 -

2 stops26h 28m

Tue 27/1007:20 -

2 stops23h 00m

Deal found 28/8£751

Tue 29/915:40 -

2 stops39h 04m

Thu 15/1016:18 -

2 stops15h 22m

Deal found 27/8£877

Mon 16/1119:15 -

2 stops25h 30m

Mon 30/1107:00 -

2 stops24h 15m

Deal found 27/8£892

Thu 1/1006:40 -

3 stops23h 19m

Sat 10/1012:08 -

3 stops21h 52m

Deal found 27/8£1,067

Sat 10/1010:50 -

2 stops18h 43m

Sat 17/1008:08 -

2 stops17h 27m

Deal found 26/8£753

Sat 21/1107:30 -

2 stops21h 04m

Sat 28/1112:31 -

2 stops17h 19m

Deal found 30/8£770

Tue 13/1010:20 -

2 stops16h 46m

Tue 20/1014:06 -

2 stops21h 44m

Deal found 29/8£773

Sun 27/906:50 -

2 stops23h 08m

Sun 4/1014:51 -

2 stops32h 54m

Deal found 30/8£763

Thu 15/1010:20 -

2 stops18h 46m

Tue 27/1014:06 -

2 stops23h 14m

Deal found 28/8£775

Wed 30/915:40 -

2 stops37h 58m

Thu 15/1016:18 -

2 stops39h 22m

Deal found 27/8£877

Thu 1/1019:15 -

2 stops34h 12m

Sat 10/1014:41 -

2 stops41h 34m

Deal found 27/8£909

Sun 11/1010:20 -

2 stops20h 39m

Sun 18/1014:06 -

2 stops21h 44m

Deal found 27/8£853

Wed 30/915:40 -

2 stops37h 58m

Wed 14/1016:18 -

2 stops15h 22m

Deal found 27/8£989

Tue 29/910:00 -

2 stops19h 34m

Thu 15/1010:34 -

2 stops15h 56m

Deal found 27/8£2,226

Thu 15/1009:10 -

2 stops19h 10m

Tue 27/1008:57 -

2 stops30h 28m

Deal found 29/8£1,093

Tue 13/1009:10 -

2 stops19h 10m

Tue 20/1016:18 -

2 stops22h 17m

Deal found 29/8£1,105

Sat 31/1006:30 -

2 stops34h 24m

Sun 6/1215:55 -

2 stops23h 40m

Deal found 29/8£1,267

Sun 25/1006:30 -

2 stops34h 15m

Fri 30/1016:00 -

2 stops24h 35m

Deal found 27/8£3,514

Mon 26/1014:40 -

2 stops37h 26m

Thu 29/1013:32 -

2 stops15h 23m

Deal found 27/8£3,633

Thu 1/1016:05 -

3 stops36h 18m

Sat 10/1008:25 -

3 stops43h 20m

Deal found 27/8£10,121

Find flight deals from London to Boise

Round-trip from	£596
One-way from	£368
Popular in	December
Cheapest in	January
Average price	£1,097

13/10-20/10
2 total stops
35h 22m total
London to Boise

Search Deals

21/10
3 total stops
39h 13m total
London to Boise

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Mon 16/11

08:30-22:51

2 stops21h 21m

Boise Air Term. Gowen Fld

Mon 30/11

12:31-12:50

2 stops17h 19m

£672

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 31/10

06:35-21:32

2 stops20h 57m

Boise Air Term. Gowen Fld

Sun 6/12

16:24-07:10

2 stops31h 46m

£695

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Mon 16/11

10:25-22:20

2 stops18h 55m

Boise Air Term. Gowen Fld

Mon 30/11

14:00-15:00

2 stops18h 00m

£739

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Thu 15/10

17:00-12:28

2 stops26h 28m

Boise Air Term. Gowen Fld

Tue 27/10

07:20-12:20

2 stops23h 00m

£751

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 10/10

10:50-22:33

2 stops18h 43m

Boise Air Term. Gowen Fld

Sat 17/10

08:08-08:35

2 stops17h 27m

£753

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sun 27/9

06:50-22:58

2 stops23h 08m

Boise Air Term. Gowen Fld

Sun 4/10

14:51-06:45

2 stops32h 54m

£763

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 21/11

07:30-21:34

2 stops21h 04m

Boise Air Term. Gowen Fld

Sat 28/11

12:31-12:50

2 stops17h 19m

£770

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Tue 13/10

10:20-20:06

2 stops16h 46m

Boise Air Term. Gowen Fld

Tue 20/10

14:06-18:50

2 stops21h 44m

£773

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Thu 15/10

10:20-22:06

2 stops18h 46m

Boise Air Term. Gowen Fld

Tue 27/10

14:06-19:20

2 stops23h 14m

£775

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Sun 11/10

10:20-23:59

2 stops20h 39m

Boise Air Term. Gowen Fld

Sun 18/10

14:06-18:50

2 stops21h 44m

£853

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 51 resultsSorted by cheapest first

...

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.

LON-BOI

LHR-BOI

LGW-BOI

LCY-BOI

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

LON-BOI

LHR-BOI

LGW-BOI

LCY-BOI

What is the cheapest month to book a flight from London to Boise?

Currently, April is the cheapest month in which you can book a flight from London to Boise (average of £625). Flying from London to Boise in December is currently the most expensive (average of £1,151). 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.

How much does it cost for a return flight from London to Boise?

Airfare is typical for this route at the moment.

London to Boise flights typically cost between £591 and £769 in October.
The cheapest return price found within the last 5 days was £596 on Multiple Airlines (13 Oct–20 Oct).

What’s the top stopover airport for flights from London to Boise?

Denver (DEN) – chosen by Cheapflights users on 47% of one-stop itineraries from London to Boise on Cheapflights.

What’s the cheapest stopover airport for flights from London to Boise?

Denver (DEN) is the most affordable one-stop option, with an average return flight price of £723.

What’s the fastest stopover option from London to Boise?

Flights via Salt Lake City (SLC) have the shortest average one-way travel time for one-stop routes: 12h 53m.

Which airport typically offers the quickest stopover for flights from London to Boise?

Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 21m.

Reviews of airlines servicing Boise

See what other customers who have flown with United Airlines,Virgin Atlantic, andLufthansa 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.

United Airlines

7.4

Good

10,147 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!

United Airlines

7.4

Good

10,147 reviews

United Airlines

7.4

Good

10,147 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Virgin Atlantic

7.4

Good

695 reviews

United Airlines

7.4

Good

10,147 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Lufthansa

6.8

Okay

8,227 reviews

United Airlines

7.4

Good

10,147 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Related info for your journey

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 20h 57m. 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, Lufthansa (£503), United Airlines (£520), and Virgin Atlantic (£712) offers the cheapest pricing from London to Boise. Lufthansa is priced at 38% 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, April is the cheapest month in which you can book a flight from London to Boise (average of £625). Flying from London to Boise in December is currently the most expensive (average of £1,151). 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 London to Boise

Top 4 airlines flying from London to Boise

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest£503	Average£760	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£520	Average£693	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest£712	Average£840	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Alaska Airlines	Cheapest£728	Average£941	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights

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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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Cheap flights from London to Boise from £368

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Boise

Cheapest flights from London to BoiseExplore 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 31 August 2026.

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 31 August 2026.

Best flights from London to BoiseDiscover 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 31 August 2026.

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 31 August 2026.

Last-minute flights from London to BoiseDiscover last-minute flight deals from London to Boise. Data last updated 31 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Boise. Data last updated 31 August 2026 and is based on user searches.

One-way flights from London to BoiseSearch for one-way flight options from London to Boise. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Search for one-way flight options from London to Boise. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Find flight deals from London to Boise

Round-trip from

One-way from

Popular in

Cheapest in

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Boise that are best for you.

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.

Cheapflights Insights

What is the cheapest month to book a flight from London to Boise?

How much does it cost for a return flight from London to Boise?

Airfare is typical for this route at the moment.

London to Boise flights typically cost between £591 and £769 in October.The cheapest return price found within the last 5 days was £596 on Multiple Airlines (13 Oct–20 Oct).

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 47% 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.

Denver (DEN) is the most affordable one-stop option, with an average return flight price of £723.

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: 12h 53m.

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 21m.

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 31 August 2026.

See what other customers who have flown with United Airlines,Virgin Atlantic, andLufthansa 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.

Related info for your journey

What airport do you fly into for flights to Boise from London?

How long is the flight from London to Boise?

What are the cheapest airlines flying from London to Boise round-trip?

What are the most popular routes from London to Boise?

Can I find deals for flights from London to Boise that include hotel bookings?

How can I find direct flights from London to Boise?

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

What is the cheapest month to book a flight from London to Boise?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Boise

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Boise by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from London to Boise by cabin class

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

London and Boise flights

Browse other London and Boise flight options. Last updated on 31 August 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 31 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 4 airlines flying from London to Boise

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

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

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

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

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Cheapest flights from London to Boise
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 31 August 2026.

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 31 August 2026.

Last-minute flights from London to Boise
Discover last-minute flight deals from London to Boise. Data last updated 31 August 2026 and is based on user searches.

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 31 August 2026.

London to Boise flights typically cost between £591 and £769 in October.
The cheapest return price found within the last 5 days was £596 on Multiple Airlines (13 Oct–20 Oct).