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Cheap flights from Boise to London from £258

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to London departing on 6/5. 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.
Lufthansa Logo
14:40 - 09:40
BOI
-
LHR
12h 00m1 stop
Lufthansa Logo
07:30 - 21:32
LHR
-
BOI
21h 02m2 stops
£455Lufthansa
Tue, 17 Feb - Tue, 24 Feb
Virgin Atlantic Logo
13:40 - 10:30
BOI
-
LHR
13h 50m1 stop
Virgin Atlantic Logo
11:45 - 20:12
LHR
-
BOI
39h 27m2 stops
£459Virgin Atlantic
Thu, 8 Jan - Wed, 21 Jan
Virgin Atlantic Logo
16:55 - 11:55
BOI
-
LHR
12h 00m1 stop
Virgin Atlantic Logo
12:20 - 20:10
LHR
-
BOI
14h 50m1 stop
£463Virgin Atlantic
Tue, 17 Feb - Thu, 26 Feb
United Airlines Logo
10:53 - 07:25
BOI
-
LHR
13h 32m1 stop
United Airlines Logo
06:35 - 10:12
LHR
-
BOI
34h 37m2 stops
£464United Airlines
Tue, 17 Feb - Thu, 26 Feb
Virgin Atlantic Logo
13:51 - 10:30
BOI
-
LHR
13h 39m1 stop
Virgin Atlantic Logo
11:05 - 20:55
LHR
-
BOI
16h 50m1 stop
£465Virgin Atlantic
Tue, 17 Feb - Thu, 26 Feb
United Airlines Logo
10:53 - 07:25
BOI
-
LHR
13h 32m1 stop
United Airlines Logo
06:35 - 10:12
LHR
-
BOI
34h 37m2 stops
£466United Airlines
Tue, 17 Feb - Thu, 26 Feb
KLM Logo
13:40 - 10:30
BOI
-
LHR
13h 50m1 stop
KLM Logo
06:30 - 16:17
LHR
-
BOI
16h 47m2 stops
£466KLM
Mon, 19 Jan - Mon, 26 Jan
Air Canada Logo
17:16 - 07:10
BOI
-
LHR
30h 54m2 stops
Air Canada Logo
14:30 - 16:10
LHR
-
BOI
32h 40m2 stops
£469Air Canada
Thu, 8 Jan - Wed, 21 Jan
Icelandair Logo
11:35 - 10:55
BOI
-
LGW
16h 20m2 stops
Icelandair Logo
11:55 - 21:05
LGW
-
BOI
16h 10m2 stops
£613Icelandair
Wed, 21 Jan - Wed, 28 Jan
Icelandair Logo
17:55 - 10:55
BOI
-
LGW
34h 00m2 stops
Icelandair Logo
11:55 - 21:05
LGW
-
BOI
16h 10m2 stops
£621Icelandair
Tue, 13 Jan - Tue, 27 Jan

Lufthansa flights from Boise to London

Our best Lufthansa deals on Boise to London flight tickets
Lufthansa
17 Feb
BOI14:40Boise Air Term. Gowen Fld
12h 00m
1 stop
LHR09:40London Heathrow
24 Feb
LHR07:30London Heathrow
21h 02m
2 stops
BOI21:32Boise Air Term. Gowen Fld
£455
Find similar
Lufthansa
17 Feb
BOI14:40Boise Air Term. Gowen Fld
12h 00m
1 stop
LHR09:40London Heathrow
24 Feb
LHR11:35London Heathrow
16h 57m
1 stop
BOI21:32Boise Air Term. Gowen Fld
£489
Find similar
Lufthansa
17 Feb
BOI14:40Boise Air Term. Gowen Fld
12h 00m
1 stop
LHR09:40London Heathrow
24 Feb
LHR06:35London Heathrow
19h 12m
2 stops
BOI18:47Boise Air Term. Gowen Fld
£563
Find similar

Virgin Atlantic flights from Boise to London

Our best Virgin Atlantic deals on Boise to London flight tickets
Virgin Atlantic
8 Jan
BOI13:40Boise Air Term. Gowen Fld
13h 50m
1 stop
LHR10:30London Heathrow
21 Jan
LHR11:45London Heathrow
39h 27m
2 stops
BOI20:12Boise Air Term. Gowen Fld
£459
Find similar
Virgin Atlantic
17 Feb
BOI16:55Boise Air Term. Gowen Fld
12h 00m
1 stop
LHR11:55London Heathrow
26 Feb
LHR12:20London Heathrow
14h 50m
1 stop
BOI20:10Boise Air Term. Gowen Fld
£463
Find similar
Virgin Atlantic
17 Feb
BOI13:51Boise Air Term. Gowen Fld
13h 39m
1 stop
LHR10:30London Heathrow
26 Feb
LHR11:05London Heathrow
16h 50m
1 stop
BOI20:55Boise Air Term. Gowen Fld
£465
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Boise to London 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 7 December 2025.
Use the filters below to find and compare flights from Boise to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

14:40-09:40

1 stop12h 00m

London Heathrow

Tue 24/2

07:30-21:32

2 stops21h 02m

£455

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Thu 8/1

13:40-10:30

1 stop13h 50m

London Heathrow

Wed 21/1

11:45-20:12

2 stops39h 27m

£459

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

16:55-11:55

1 stop12h 00m

London Heathrow

Thu 26/2

12:20-20:10

1 stop14h 50m

£463

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

10:53-07:25

1 stop13h 32m

London Heathrow

Thu 26/2

06:35-10:12

2 stops34h 37m

£464

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

13:51-10:30

1 stop13h 39m

London Heathrow

Thu 26/2

11:05-20:55

1 stop16h 50m

£465

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

10:53-07:25

1 stop13h 32m

London Heathrow

Thu 26/2

06:35-10:12

2 stops34h 37m

£466

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 19/1

13:40-10:30

1 stop13h 50m

London Heathrow

Mon 26/1

06:30-16:17

2 stops16h 47m

£466

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Thu 8/1

17:16-07:10

2 stops30h 54m

London Heathrow

Wed 21/1

14:30-16:10

2 stops32h 40m

£469

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Wed 21/1

11:35-10:55

2 stops16h 20m

London Gatwick

Wed 28/1

11:55-21:05

2 stops16h 10m

£613

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 13/1

17:55-10:55

2 stops34h 00m

London Gatwick

Tue 27/1

11:55-21:05

2 stops16h 10m

£621

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from Boise to London

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 London?

The cheapest month to fly to London from Boise is in October. Flight prices, which tend to average around £496, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Boise averaging around £591.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £534. Flights in the afternoon are often more expensive, with an average ticket price of £610.

How have Boise to London flight prices changed over time?

As of December 2025, prices for Boise to London flights are approximately 40% cheaper when compared to flights at the same time last year.

When to book flights from Boise to London

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

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

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

Fastest flight time

11h 51m

Direct flights

None
The fastest flight from Boise to London takes 11h 51m
There are no direct flights from Boise to London. There are no popular flight routes from Boise to London.
Search flight deals

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

    There are 4834.5 mi between Boise Air Term. Gowen Fld and London. A reasonable flight in good conditions will take 12h 00m.

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

    Prices for flights from Boise Air Term. Gowen Fld Airport to London refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
Hounslow
Stansted

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boise to London. momondo saves you time and could save you money on your trip.

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

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

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

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 London from Boise.

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

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

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport