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Cheap flights from London Heathrow Airport to Boise from £392

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 Heathrow Airport to Boise departing on 13/4. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from London Heathrow Airport to Boise

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:35 - 21:17
LHR
-
BOI
17h 42m
1 stop
United Airlines Logo
06:23 - 07:25
BOI
-
LHR
18h 02m
1 stop
£506United Airlines
Mon, 27 Apr - Sun, 3 May
United Airlines Logo
07:25 - 19:53
LHR
-
BOI
19h 28m
2 stops
United Airlines Logo
10:35 - 10:25
BOI
-
LHR
16h 50m
2 stops
£604United Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
07:25 - 19:53
LHR
-
BOI
19h 28m
2 stops
United Airlines Logo
06:15 - 07:15
BOI
-
LHR
18h 00m
2 stops
£615United Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
07:25 - 19:53
LHR
-
BOI
19h 28m
2 stops
United Airlines Logo
16:05 - 14:10
BOI
-
LHR
15h 05m
1 stop
£616United Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
06:55 - 17:53
LHR
-
BOI
17h 58m
2 stops
United Airlines Logo
06:30 - 09:40
BOI
-
LHR
20h 10m
1 stop
£618United Airlines
Tue, 1 Sep - Tue, 15 Sep
United Airlines Logo
09:30 - 21:25
LHR
-
BOI
18h 55m
2 stops
United Airlines Logo
06:23 - 07:25
BOI
-
LHR
18h 02m
1 stop
£619United Airlines
Wed, 2 Sep - Wed, 16 Sep
United Airlines Logo
07:25 - 19:53
LHR
-
BOI
19h 28m
2 stops
United Airlines Logo
12:04 - 10:40
BOI
-
LHR
15h 36m
2 stops
£622United Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
14:50 - 22:35
LHR
-
BOI
14h 45m
1 stop
United Airlines Logo
12:30 - 11:10
BOI
-
LHR
15h 40m
1 stop
£629United Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
14:10 - 23:02
LHR
-
BOI
15h 52m
1 stop
United Airlines Logo
12:04 - 08:30
BOI
-
LHR
13h 26m
1 stop
£640United Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
16:15 - 23:50
LHR
-
BOI
14h 35m
1 stop
United Airlines Logo
10:37 - 09:40
BOI
-
LHR
16h 03m
1 stop
£642United Airlines
Tue, 1 Sep - Mon, 14 Sep

Lufthansa flights from London Heathrow Airport to Boise

Our best Lufthansa deals on London Heathrow Airport to Boise flight tickets
Lufthansa
30 Apr
LHR14:50London Heathrow
13h 27m
1 stop
BOI21:17Boise Air Term. Gowen Fld
7 May
BOI14:33Boise Air Term. Gowen Fld
12h 07m
1 stop
LHR09:40London Heathrow
£657
Lufthansa
12 Apr
LHR11:25London Heathrow
16h 57m
1 stop
BOI21:22Boise Air Term. Gowen Fld
19 Apr
BOI10:35Boise Air Term. Gowen Fld
19h 00m
1 stop
LHR12:35London Heathrow
£686
Lufthansa
10 Jun
LHR11:25London Heathrow
13h 31m
1 stop
BOI17:56Boise Air Term. Gowen Fld
17 Jun
BOI14:40Boise Air Term. Gowen Fld
14h 40m
1 stop
LHR12:20London Heathrow
£713

United Airlines flights from London Heathrow Airport to Boise

Our best United Airlines deals on London Heathrow Airport to Boise flight tickets
United Airlines
27 Apr
LHR13:00London Heathrow
15h 17m
1 stop
BOI21:17Boise Air Term. Gowen Fld
3 May
BOI08:34Boise Air Term. Gowen Fld
15h 11m
1 stop
LHR06:45London Heathrow
£506
United Airlines
20 Apr
LHR07:25London Heathrow
19h 28m
2 stops
BOI19:53Boise Air Term. Gowen Fld
27 Apr
BOI06:15Boise Air Term. Gowen Fld
18h 00m
2 stops
LHR07:15London Heathrow
£615
United Airlines
20 Apr
LHR07:25London Heathrow
19h 28m
2 stops
BOI19:53Boise Air Term. Gowen Fld
27 Apr
BOI16:05Boise Air Term. Gowen Fld
15h 05m
1 stop
LHR14:10London Heathrow
£616

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 17 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 27/4

10:35-21:17

1 stop17h 42m

Boise Air Term. Gowen Fld

Sun 3/5

06:23-07:25

1 stop18h 02m

£506

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

07:25-19:53

2 stops19h 28m

Boise Air Term. Gowen Fld

Mon 27/4

10:35-10:25

2 stops16h 50m

£604

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

07:25-19:53

2 stops19h 28m

Boise Air Term. Gowen Fld

Mon 27/4

06:15-07:15

2 stops18h 00m

£615

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

07:25-19:53

2 stops19h 28m

Boise Air Term. Gowen Fld

Mon 27/4

16:05-14:10

1 stop15h 05m

£616

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 1/9

06:55-17:53

2 stops17h 58m

Boise Air Term. Gowen Fld

Tue 15/9

06:30-09:40

1 stop20h 10m

£618

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 2/9

09:30-21:25

2 stops18h 55m

Boise Air Term. Gowen Fld

Wed 16/9

06:23-07:25

1 stop18h 02m

£619

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

07:25-19:53

2 stops19h 28m

Boise Air Term. Gowen Fld

Mon 27/4

12:04-10:40

2 stops15h 36m

£622

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

14:50-22:35

1 stop14h 45m

Boise Air Term. Gowen Fld

Mon 27/4

12:30-11:10

1 stop15h 40m

£629
Fastest return journey

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

14:10-23:02

1 stop15h 52m

Boise Air Term. Gowen Fld

Mon 27/4

12:04-08:30

1 stop13h 26m

£640

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 1/9

16:15-23:50

1 stop14h 35m

Boise Air Term. Gowen Fld

Mon 14/9

10:37-09:40

1 stop16h 03m

£642

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Boise from

How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow Airport and Boise?

What is the cheapest month to fly to Boise?

The month of November is, on average, the cheapest month to fly to Boise from London Heathrow Airport, with most prices found around £587. If you aren’t able to travel during the month of November, then book flights to Boise from London Heathrow Airport during April instead. Flights to Boise in April, while not as cheap as those in November, still average around £633.

Can stopping save me money on London Heathrow Airport to Boise flights?

You could potentially save up to 56% on your flight if you consider stops on a London Heathrow Airport to Boise flight.

When to book flights from London Heathrow Airport to Boise

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

Cheap London Heathrow Airport to Boise (LHR to BOI) flight deals and tips

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

Fastest flight time

13h 31m

Direct flights

None
The fastest flight from London Heathrow Airport to Boise takes 13h 31m
There are no direct flights from London Heathrow Airport to Boise. There are no popular flight routes from London Heathrow Airport to Boise.
Search flight deals

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

    There are 4826.1 mi between London Heathrow and Boise Air Term. Gowen Fld. In terms of flight time, this usually takes a little over 13h 31m.

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

    Prices for flights from London Heathrow Airport to Boise Air Term. Gowen Fld Airport are updated daily.

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

  • How old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport 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 you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from London Heathrow Airport to Boise

Compare and see reviews for airlines that fly from London Heathrow Airport to Boise with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £511Free CancellationRating
6.8
7,858 reviews
Search Lufthansa flights
United AirlinesPriceFrom £550Free CancellationRating
7.4
9,431 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £604Free CancellationRating
7.5
682 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?

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?

Yes. momondo allows you to filter the results for London to Boise flights to just show those with 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 simply researching potential flights to Boise, momondo offers a useful price alert feature which will track prices for flights to Boise from London and alert you when they change.

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