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Cheap flights from London to Boise from $516

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 6/3. 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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Find the cheapest flights from London to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:55 am - 5:53 pm
LHR
-
BOI
17h 58m
2 stops
United Airlines Logo
7:00 am - 7:55 am
BOI
-
LHR
17h 55m
2 stops
$886United Airlines
Tue, Sep 1 - Tue, Sep 29
United Airlines Logo
10:50 am - 11:50 pm
LHR
-
BOI
20h 00m
2 stops
United Airlines Logo
7:01 pm - 7:25 am
BOI
-
LHR
29h 24m
1 stop
$888United Airlines
Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
7:30 am - 9:19 pm
LHR
-
BOI
20h 49m
2 stops
United Airlines Logo
12:23 pm - 10:40 am
BOI
-
LHR
15h 17m
2 stops
$889United Airlines
Tue, Sep 8 - Tue, Sep 22
Lufthansa Logo
2:50 pm - 9:25 pm
LHR
-
BOI
13h 35m
1 stop
Lufthansa Logo
2:43 pm - 9:40 am
BOI
-
LHR
11h 57m
1 stop
$895Lufthansa
Tue, Sep 1 - Tue, Sep 29
Lufthansa Logo
2:50 pm - 9:25 pm
LHR
-
BOI
13h 35m
1 stop
Lufthansa Logo
2:44 pm - 9:40 am
BOI
-
LHR
11h 56m
1 stop
$897Lufthansa
Tue, Sep 8 - Tue, Sep 22
Multiple Airlines Logo
1:00 pm - 10:33 pm
LGW
-
BOI
16h 33m
2 stops
Multiple Airlines Logo
6:20 am - 2:40 pm
BOI
-
LGW
25h 20m
2 stops
$989Multiple Airlines
Tue, Sep 1 - Tue, Sep 29
Icelandair Logo
3:40 pm - 11:02 pm
LGW
-
BOI
38h 22m
2 stops
Icelandair Logo
4:19 pm - 2:40 pm
BOI
-
LGW
15h 21m
2 stops
$1,077Icelandair
Wed, May 6 - Wed, Jun 3
Air France Logo
10:35 am - 10:28 pm
LGW
-
BOI
18h 53m
2 stops
Air France Logo
10:39 am - 9:25 am
BOI
-
LGW
15h 46m
2 stops
$1,123Air France
Tue, May 5 - Tue, May 19
Multiple Airlines Logo
10:20 am - 8:24 pm
LGW
-
BOI
17h 04m
2 stops
Multiple Airlines Logo
10:14 am - 2:40 pm
BOI
-
LGW
21h 26m
2 stops
$1,125Multiple Airlines
Tue, Sep 8 - Tue, Sep 22
Icelandair Logo
3:40 pm - 6:14 pm
LGW
-
BOI
33h 34m
2 stops
Icelandair Logo
4:19 pm - 2:40 pm
BOI
-
LGW
15h 21m
2 stops
$1,168Icelandair
Wed, May 27 - Wed, Jun 3

Icelandair flights from London to Boise

Our best Icelandair deals on London to Boise flight tickets
Icelandair
May 5
LHR1:05 pmLondon Heathrow
16h 57m
2 stops
BOI11:02 pmBoise Air Term. Gowen Fld
May 13
BOI4:19 pmBoise Air Term. Gowen Fld
21h 01m
2 stops
LHR8:20 pmLondon Heathrow
$1,018
Icelandair
May 5
LHR1:05 pmLondon Heathrow
16h 57m
2 stops
BOI11:02 pmBoise Air Term. Gowen Fld
May 19
BOI4:19 pmBoise Air Term. Gowen Fld
36h 36m
2 stops
LHR11:55 amLondon Heathrow
$1,053
Icelandair
May 6
LHR1:05 pmLondon Heathrow
16h 57m
2 stops
BOI11:02 pmBoise Air Term. Gowen Fld
Jun 3
BOI8:51 pmBoise Air Term. Gowen Fld
16h 29m
2 stops
LHR8:20 pmLondon Heathrow
$1,054

Air Canada flights from London to Boise

Our best Air Canada deals on London to Boise flight tickets
Air Canada
Jul 6
LHR2:10 pmLondon Heathrow
33h 34m
2 stops
BOI4:44 pmBoise Air Term. Gowen Fld
Jul 26
BOI12:38 pmBoise Air Term. Gowen Fld
34h 52m
2 stops
LHR6:30 amLondon Heathrow
$1,089
Air Canada
Jul 6
LHR8:30 amLondon Heathrow
39h 14m
2 stops
BOI4:44 pmBoise Air Term. Gowen Fld
Jul 22
BOI5:46 pmBoise Air Term. Gowen Fld
33h 14m
2 stops
LHR10:00 amLondon Heathrow
$1,093

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated April 14, 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

Cheapest round-trip

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/1

6:55 am-5:53 pm

2 stops17h 58m

Boise Air Term. Gowen Fld

Tue 9/29

7:00 am-7:55 am

2 stops17h 55m

$886

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 9/16

10:50 am-11:50 pm

2 stops20h 00m

Boise Air Term. Gowen Fld

Sun 9/20

7:01 pm-7:25 am

1 stop29h 24m

$888

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/8

7:30 am-9:19 pm

2 stops20h 49m

Boise Air Term. Gowen Fld

Tue 9/22

12:23 pm-10:40 am

2 stops15h 17m

$889

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/1

2:50 pm-9:25 pm

1 stop13h 35m

Boise Air Term. Gowen Fld

Tue 9/29

2:43 pm-9:40 am

1 stop11h 57m

$895
Quickest round-trip

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/8

2:50 pm-9:25 pm

1 stop13h 35m

Boise Air Term. Gowen Fld

Tue 9/22

2:44 pm-9:40 am

1 stop11h 56m

$897

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 9/1

1:00 pm-10:33 pm

2 stops16h 33m

Boise Air Term. Gowen Fld

Tue 9/29

6:20 am-2:40 pm

2 stops25h 20m

$989

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 5/6

3:40 pm-11:02 pm

2 stops38h 22m

Boise Air Term. Gowen Fld

Wed 6/3

4:19 pm-2:40 pm

2 stops15h 21m

$1,077

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 5/5

10:35 am-10:28 pm

2 stops18h 53m

Boise Air Term. Gowen Fld

Tue 5/19

10:39 am-9:25 am

2 stops15h 46m

$1,123

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 9/8

10:20 am-8:24 pm

2 stops17h 04m

Boise Air Term. Gowen Fld

Tue 9/22

10:14 am-2:40 pm

2 stops21h 26m

$1,125

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 5/27

3:40 pm-6:14 pm

2 stops33h 34m

Boise Air Term. Gowen Fld

Wed 6/3

4:19 pm-2:40 pm

2 stops15h 21m

$1,168

Flights are sorted by cheapest round-trip 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 typical price of a round-trip flight between London and Boise?

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 $765. 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 $809.

Can stopping save me money on London to Boise flights?

You could potentially save up to 17% 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 round-trip 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 33m

Direct flights

None
The fastest flight from London to Boise takes 16h 33m
There are no direct flights from London to Boise. There are no popular flight routes from London to Boise.
Search flight deals

Frequently asked questions about flying from London to Boise

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

    The straight-line distance from London to Boise Air Term. Gowen Fld is 4834.5 mi. Typically, this will take 16h 33m by plane in normal conditions.

  • 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 updated daily.

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

    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 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.

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
McCall
Ontario
Caldwell
Eagle

Why use momondo?

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

Finding the right flight to Boise from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boise quick and easy, saving you time and money.

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?

Yes. momondo can track prices for London to Boise flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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