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Cheap flights from Boise to London from £293

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 13/5. 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.
United Airlines Logo
10:49 - 12:00
BOI
-
LHR
19h 11m
1 stop
United Airlines Logo
06:35 - 21:29
LHR
-
BOI
20h 54m
2 stops
£464United Airlines
Wed, 11 Mar - Tue, 17 Mar
United Airlines Logo
08:39 - 12:00
BOI
-
LHR
20h 21m
1 stop
United Airlines Logo
06:35 - 21:29
LHR
-
BOI
20h 54m
2 stops
£465United Airlines
Fri, 6 Mar - Fri, 13 Mar
United Airlines Logo
05:00 - 05:55
BOI
-
LHR
18h 55m
2 stops
United Airlines Logo
07:40 - 17:46
LHR
-
BOI
40h 06m
2 stops
£467United Airlines
Wed, 11 Mar - Mon, 16 Mar
Lufthansa Logo
14:37 - 16:40
BOI
-
LHR
19h 03m
2 stops
Lufthansa Logo
09:30 - 21:22
LHR
-
BOI
18h 52m
2 stops
£474Lufthansa
Wed, 15 Apr - Wed, 22 Apr
Scandinavian Airlines Logo
07:05 - 16:50
BOI
-
LHR
27h 45m
1 stop
Scandinavian Airlines Logo
14:30 - 22:04
LHR
-
BOI
13h 34m
1 stop
£485Scandinavian Airlines
Wed, 11 Mar - Mon, 16 Mar
Multiple Airlines Logo
10:35 - 10:00
BOI
-
LHR
17h 25m
1 stop
Multiple Airlines Logo
11:20 - 21:35
LHR
-
BOI
16h 15m
1 stop
£485Multiple Airlines
Tue, 17 Mar - Thu, 26 Mar
Multiple Airlines Logo
12:15 - 18:50
BOI
-
LGW
23h 35m
2 stops
Multiple Airlines Logo
10:20 - 23:02
LGW
-
BOI
19h 42m
2 stops
£652Multiple Airlines
Wed, 22 Apr - Sun, 26 Apr
Icelandair Logo
11:58 - 14:40
BOI
-
LGW
19h 42m
2 stops
Icelandair Logo
13:00 - 22:24
LGW
-
BOI
16h 24m
2 stops
£684Icelandair
Tue, 14 Apr - Tue, 19 May
Icelandair Logo
16:38 - 14:40
BOI
-
LGW
15h 02m
2 stops
Icelandair Logo
15:40 - 23:02
LGW
-
BOI
38h 22m
2 stops
£691Icelandair
Mon, 4 May - Mon, 11 May
Lufthansa Logo
14:33 - 17:55
BOI
-
LCY
20h 22m
2 stops
Lufthansa Logo
09:15 - 21:34
LCY
-
BOI
19h 19m
2 stops
£930Lufthansa
Wed, 20 May - Mon, 1 Jun

United Airlines flights from Boise to London

Our best United Airlines deals on Boise to London flight tickets
United Airlines
11 Mar
BOI10:49Boise Air Term. Gowen Fld
14h 36m
1 stop
LHR07:25London Heathrow
16 Mar
LHR06:50London Heathrow
22h 06m
2 stops
BOI22:56Boise Air Term. Gowen Fld
£464
United Airlines
6 Mar
BOI08:39Boise Air Term. Gowen Fld
20h 21m
1 stop
LHR12:00London Heathrow
13 Mar
LHR06:35London Heathrow
20h 54m
2 stops
BOI21:29Boise Air Term. Gowen Fld
£465
United Airlines
11 Mar
BOI05:00Boise Air Term. Gowen Fld
18h 55m
2 stops
LHR05:55London Heathrow
16 Mar
LHR07:40London Heathrow
40h 06m
2 stops
BOI17:46Boise Air Term. Gowen Fld
£467

Lufthansa flights from Boise to London

Our best Lufthansa deals on Boise to London flight tickets
Lufthansa
15 Apr
BOI14:37Boise Air Term. Gowen Fld
19h 03m
2 stops
LHR16:40London Heathrow
22 Apr
LHR09:30London Heathrow
18h 52m
2 stops
BOI21:22Boise Air Term. Gowen Fld
£474
Lufthansa
4 Mar
BOI14:40Boise Air Term. Gowen Fld
21h 05m
2 stops
LHR18:45London Heathrow
8 Mar
LHR20:15London Heathrow
31h 14m
2 stops
BOI21:29Boise Air Term. Gowen Fld
£597
Lufthansa
17 Feb
BOI12:16Boise Air Term. Gowen Fld
20h 34m
2 stops
LHR15:50London Heathrow
24 Feb
LHR06:30London Heathrow
19h 17m
2 stops
BOI18:47Boise Air Term. Gowen Fld
£1,026

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 9 February 2026.
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

Wed 11/3

10:49-12:00

1 stop19h 11m

London Heathrow

Tue 17/3

06:35-21:29

2 stops20h 54m

£464

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Fri 6/3

08:39-12:00

1 stop20h 21m

London Heathrow

Fri 13/3

06:35-21:29

2 stops20h 54m

£465

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 11/3

05:00-05:55

2 stops18h 55m

London Heathrow

Mon 16/3

07:40-17:46

2 stops40h 06m

£467

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 15/4

14:37-16:40

2 stops19h 03m

London Heathrow

Wed 22/4

09:30-21:22

2 stops18h 52m

£474

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 11/3

07:05-16:50

1 stop27h 45m

London Heathrow

Mon 16/3

14:30-22:04

1 stop13h 34m

£485

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/3

10:35-10:00

1 stop17h 25m

London Heathrow

Thu 26/3

11:20-21:35

1 stop16h 15m

£485

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Wed 22/4

12:15-18:50

2 stops23h 35m

London Gatwick

Sun 26/4

10:20-23:02

2 stops19h 42m

£652

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 14/4

11:58-14:40

2 stops19h 42m

London Gatwick

Tue 19/5

13:00-22:24

2 stops16h 24m

£684

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 4/5

16:38-14:40

2 stops15h 02m

London Gatwick

Mon 11/5

15:40-23:02

2 stops38h 22m

£691

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 20/5

14:33-17:55

2 stops20h 22m

London City

Mon 1/6

09:15-21:34

2 stops19h 19m

£930

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 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 £512, 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 £523.

How have Boise to London flight prices changed over time?

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

12h 07m

Direct flights

None
The fastest flight from Boise to London takes 12h 07m
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 07m.

  • 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
Slough
Maidstone
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Wembley
Dover
Folkestone
Colchester
Bedford
Worthing
Ramsgate

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