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Cheap flights from London to Boise from £365

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Boise departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 21:15
LHR
-
BOI
20h 45m
2 stops
Multiple Airlines Logo
14:22 - 06:50
BOI
-
LHR
34h 28m
2 stops
£520Multiple Airlines
Wed, 11 Mar - Fri, 20 Mar
Multiple Airlines Logo
12:20 - 21:15
LHR
-
BOI
14h 55m
1 stop
Multiple Airlines Logo
16:15 - 06:50
BOI
-
LHR
32h 35m
2 stops
£537Multiple Airlines
Wed, 11 Mar - Fri, 20 Mar
United Airlines Logo
09:00 - 21:11
LHR
-
BOI
19h 11m
2 stops
United Airlines Logo
07:47 - 11:15
BOI
-
LHR
21h 28m
1 stop
£554United Airlines
Tue, 3 Mar - Tue, 10 Mar
United Airlines Logo
08:30 - 22:56
LHR
-
BOI
20h 26m
2 stops
United Airlines Logo
08:39 - 09:40
BOI
-
LHR
19h 01m
2 stops
£558United Airlines
Wed, 18 Mar - Wed, 25 Mar
United Airlines Logo
06:55 - 22:35
LHR
-
BOI
22h 40m
2 stops
United Airlines Logo
06:15 - 09:40
BOI
-
LHR
20h 25m
1 stop
£569United Airlines
Mon, 20 Apr - Mon, 27 Apr
Lufthansa Logo
10:25 - 18:47
LHR
-
BOI
15h 22m
1 stop
Lufthansa Logo
07:47 - 07:55
BOI
-
LHR
18h 08m
1 stop
£573Lufthansa
Tue, 3 Mar - Tue, 10 Mar
Lufthansa Logo
13:05 - 22:03
LHR
-
BOI
15h 58m
1 stop
Lufthansa Logo
06:15 - 09:40
BOI
-
LHR
20h 25m
1 stop
£586Lufthansa
Mon, 20 Apr - Mon, 27 Apr
Icelandair Logo
11:55 - 22:57
LGW
-
BOI
17h 02m
2 stops
Icelandair Logo
11:58 - 10:55
BOI
-
LGW
16h 57m
2 stops
£688Icelandair
Wed, 18 Mar - Wed, 25 Mar
Icelandair Logo
11:55 - 21:15
LGW
-
BOI
16h 20m
2 stops
Icelandair Logo
09:00 - 10:55
BOI
-
LGW
19h 55m
2 stops
£719Icelandair
Tue, 3 Mar - Tue, 10 Mar
KLM Logo
20:05 - 18:43
LCY
-
BOI
28h 38m
2 stops
KLM Logo
23:30 - 07:15
BOI
-
LCY
25h 45m
2 stops
£765KLM
Sun, 15 Mar - Sun, 22 Mar

Icelandair flights from London to Boise

Our best Icelandair deals on London to Boise flight tickets
Icelandair
18 Mar
LGW11:55London Gatwick
17h 02m
2 stops
BOI22:57Boise Air Term. Gowen Fld
25 Mar
BOI11:58Boise Air Term. Gowen Fld
16h 57m
2 stops
LGW10:55London Gatwick
£688
Icelandair
27 Feb
LHR20:35London Heathrow
31h 40m
2 stops
BOI21:15Boise Air Term. Gowen Fld
9 Mar
BOI13:00Boise Air Term. Gowen Fld
15h 50m
2 stops
LHR10:50London Heathrow
£694
Icelandair
3 Mar
LGW11:55London Gatwick
16h 20m
2 stops
BOI21:15Boise Air Term. Gowen Fld
10 Mar
BOI09:00Boise Air Term. Gowen Fld
19h 55m
2 stops
LGW10:55London Gatwick
£719

Virgin Atlantic flights from London to Boise

Our best Virgin Atlantic deals on London to Boise flight tickets
Virgin Atlantic
20 Feb
LHR12:20London Heathrow
14h 55m
1 stop
BOI20:15Boise Air Term. Gowen Fld
2 Mar
BOI13:43Boise Air Term. Gowen Fld
35h 07m
1 stop
LHR07:50London Heathrow
£741
Virgin Atlantic
26 Feb
LHR10:45London Heathrow
14h 04m
1 stop
BOI17:49Boise Air Term. Gowen Fld
28 Feb
BOI13:43Boise Air Term. Gowen Fld
33h 42m
1 stop
LHR06:25London Heathrow
£780
Virgin Atlantic
28 Jun
LHR17:45London Heathrow
31h 50m
1 stop
BOI18:35Boise Air Term. Gowen Fld
3 Jul
BOI13:15Boise Air Term. Gowen Fld
13h 45m
1 stop
LHR10:00London Heathrow
£889

momondo 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, momondo users made 279,928 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from London to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/3

06:30-21:15

2 stops20h 45m

Boise Air Term. Gowen Fld

Fri 20/3

14:22-06:50

2 stops34h 28m

£520

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/3

12:20-21:15

1 stop14h 55m

Boise Air Term. Gowen Fld

Fri 20/3

16:15-06:50

2 stops32h 35m

£537

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 3/3

09:00-21:11

2 stops19h 11m

Boise Air Term. Gowen Fld

Tue 10/3

07:47-11:15

1 stop21h 28m

£554

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 18/3

08:30-22:56

2 stops20h 26m

Boise Air Term. Gowen Fld

Wed 25/3

08:39-09:40

2 stops19h 01m

£558

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

06:55-22:35

2 stops22h 40m

Boise Air Term. Gowen Fld

Mon 27/4

06:15-09:40

1 stop20h 25m

£569

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 3/3

10:25-18:47

1 stop15h 22m

Boise Air Term. Gowen Fld

Tue 10/3

07:47-07:55

1 stop18h 08m

£573

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

13:05-22:03

1 stop15h 58m

Boise Air Term. Gowen Fld

Mon 27/4

06:15-09:40

1 stop20h 25m

£586

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 18/3

11:55-22:57

2 stops17h 02m

Boise Air Term. Gowen Fld

Wed 25/3

11:58-10:55

2 stops16h 57m

£688

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 3/3

11:55-21:15

2 stops16h 20m

Boise Air Term. Gowen Fld

Tue 10/3

09:00-10:55

2 stops19h 55m

£719

LondonBoise

LCY - BOI

LCYBOI

London City

Sun 15/3

20:05-18:43

2 stops28h 38m

Boise Air Term. Gowen Fld

Sun 22/3

23:30-07:15

2 stops25h 45m

£765

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boise from

How to get the cheapest flight ticket from London to Boise

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boise?

The month of January is, on average, the cheapest month to fly to Boise from London, with most prices found around £567. If you aren’t able to travel during the month of January, then book flights to Boise from London during September instead. Flights to Boise in September, while not as cheap as those in January, still average around £574.

How far in advance should I book a flight to Boise?

You are more likely to see cheaper flights to Boise from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around £726 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from London for as low as £560 on momondo.

Can stopping save me money on London to Boise flights?

You could potentially save up to 47% on your flight if you consider stops on a London to Boise flight.

When to book flights from London to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from London to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Boise (LON to BOI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Boise

Fastest flight time

16h 20m

Direct flights

None
The fastest flight from London to Boise takes 16h 20m
There are no direct flights from London to Boise. There are no popular flight routes from London to Boise.
Search flight deals

  • How far is London to Boise Air Term. Gowen Fld by plane?

    Boise Air Term. Gowen Fld is 4834.5 mi away from London. A reasonable flight in good conditions will take 16h 20m.

  • When did momondo last update prices for flights from London to Boise Air Term. Gowen Fld Airport?

    Prices for flights from London to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from London to Boise Air Term. Gowen Fld Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The travel and health documents required for your trip to Boise Air Term. Gowen Fld Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boise Air Term. Gowen Fld Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from London to Boise?

Best airlines flying from London to Boise

Compare and see reviews for airlines that fly from London to Boise with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £526Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
United AirlinesPriceFrom £528Free CancellationRating
7.4
9,234 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £589Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights

Travelling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Caldwell

Why use momondo?

Why should I use momondo to find a flight deal from London to Boise?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boise from London.

Can I find flights from London to Boise with flexible booking policies on momondo?

All flight searches from London to Boise on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Boise?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boise from London.

I’m not ready to book a flight from London to Boise right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Boise now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boise and let you know when they change.

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