Find flights
When to book
Airlines
FAQs

Cheap flights from the United Kingdom to Boise from £432

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Boise

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Boise
Explore the most affordable flight options available from United Kingdom to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 July 2026.

Wed 30/914:10
LHR
-
BOI
1 stop15h 48m
United Airlines
Thu 8/1008:08
BOI
-
LHR
1 stop15h 37m
United Airlines
Deal found 20/7£560
Fri 11/906:40
LHR
-
BOI
2 stops19h 00m
Scandinavian Airlines
Sat 26/910:34
BOI
-
LHR
2 stops24h 06m
Scandinavian Airlines
Deal found 23/7£569
Sat 3/1006:40
LHR
-
BOI
2 stops22h 54m
Scandinavian Airlines
Sat 10/1010:34
BOI
-
LHR
3 stops22h 51m
Scandinavian Airlines
Deal found 24/7£585
Tue 6/1008:00
LHR
-
BOI
2 stops22h 59m
United Airlines
Tue 13/1014:20
BOI
-
LHR
1 stop13h 50m
United Airlines
Deal found 23/7£689
Wed 30/913:05
LHR
-
BOI
2 stops17h 39m
Multiple Airlines
Thu 8/1008:25
BOI
-
LHR
2 stops28h 55m
Multiple Airlines
Deal found 21/7£692
Sat 24/1009:50
LHR
-
BOI
2 stops18h 30m
Multiple Airlines
Sat 7/1120:52
BOI
-
LHR
1 stop32h 28m
Multiple Airlines
Deal found 21/7£693
Sun 20/919:30
LHR
-
BOI
2 stops34h 29m
Scandinavian Airlines
Sat 26/912:14
BOI
-
LHR
2 stops22h 26m
Scandinavian Airlines
Deal found 20/7£698
Sat 24/1010:20
LGW
-
BOI
2 stops18h 46m
Multiple Airlines
Sun 8/1113:51
BOI
-
LGW
2 stops22h 29m
Multiple Airlines
Deal found 21/7£732
Tue 6/1015:40
LGW
-
BOI
2 stops37h 26m
Multiple Airlines
Tue 13/1012:55
BOI
-
LGW
2 stops18h 45m
Multiple Airlines
Deal found 23/7£757
Fri 23/1010:20
LGW
-
BOI
2 stops18h 46m
Multiple Airlines
Sat 7/1110:49
BOI
-
LGW
2 stops25h 31m
Multiple Airlines
Deal found 20/7£760
Wed 16/909:40
EDI
-
BOI
2 stops18h 51m
United Airlines
Sun 20/919:05
BOI
-
EDI
2 stops30h 20m
United Airlines
Deal found 23/7£766
Sat 24/1010:20
LGW
-
BOI
2 stops16h 46m
Multiple Airlines
Sat 7/1113:51
BOI
-
LGW
2 stops17h 59m
Multiple Airlines
Deal found 21/7£784

Find flight deals from United Kingdom to Boise

Keep the following information in mind while searching for United Kingdom to Boise flight deals. Data was last updated 25 July 2026.

Round-trip from

£560

One-way from

£432

Popular in

December

Cheapest in

January

Average price

£925
United Airlines
  • United Airlines
  • 30/9-8/10
  • 2 total stops
  • 31h 25m total
  • United Kingdom to Boise
Search Deals
27/9
  • 27/9
  • 3 total stops
  • 45h 33m total
  • United Kingdom to Boise
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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, Cheapflights users made 858,174 searches. Data last updated 25 July 2026.
Use the filters below to find and compare flights from the United Kingdom to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 3/10

06:40-22:34

2 stops22h 54m

Boise Air Term. Gowen Fld

Sat 10/10

10:34-16:25

3 stops22h 51m

£585

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 6/10

08:00-23:59

2 stops22h 59m

Boise Air Term. Gowen Fld

Tue 13/10

10:30-10:25

2 stops16h 55m

£689

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 4/12

07:40-23:59

2 stops23h 19m

Boise Air Term. Gowen Fld

Mon 7/12

10:39-07:55

2 stops14h 16m

£718

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 20/9

16:40-11:06

2 stops25h 26m

Boise Air Term. Gowen Fld

Sun 27/9

18:50-07:25

1 stop29h 35m

£723

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sat 24/10

10:20-22:06

2 stops18h 46m

Boise Air Term. Gowen Fld

Sun 8/11

13:51-19:20

2 stops22h 29m

£732

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 11/9

14:10-15:31

2 stops32h 21m

Boise Air Term. Gowen Fld

Sat 26/9

14:44-12:25

1 stop14h 41m

£750

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 20/9

10:35-19:19

1 stop15h 44m

Boise Air Term. Gowen Fld

Sat 26/9

18:50-06:45

2 stops28h 55m

£753

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 6/10

15:40-22:06

2 stops37h 26m

Boise Air Term. Gowen Fld

Tue 13/10

12:55-14:40

2 stops18h 45m

£757

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 24/10

06:40-23:04

2 stops23h 24m

Boise Air Term. Gowen Fld

Sun 8/11

16:00-18:30

2 stops19h 30m

£760

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 24/10

06:40-23:04

2 stops23h 24m

Boise Air Term. Gowen Fld

Sat 7/11

16:00-21:40

2 stops22h 40m

£760

Flights are sorted by cheapest return flights first.

Deals found on 23/7

Showing 1-10 of 40 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from United Kingdom to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Boise

What is the cheapest month to book a flight from United Kingdom to Boise?

Currently, April is the cheapest month in which you can book a flight from United Kingdom to Boise (average of £637). Flying from United Kingdom to Boise in August is currently the most expensive (average of £1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated 25 July 2026.
See what other customers who have flown with KLM,Virgin Atlantic, andUnited Airlines from the United Kingdom to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,545 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Virgin Atlantic
7.5
Good
695 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
United Airlines
7.4
Good
10,034 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Icelandair
7.0
Good
715 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Lufthansa
6.8
Okay
8,155 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boise from United Kingdom?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from United Kingdom to Boise. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

  • How long is the flight from United Kingdom to Boise?

    There are many flights that can get you from United Kingdom to Boise in 20h 59m. Fly via Scandinavian Airlines, United Airlines, or Virgin Atlantic to get the fastest option. There are 4843 mi between United Kingdom and Boise. This flight may include one or multiple stops.

  • What are the most popular routes from United Kingdom to Boise?

    When deciding which route to take from United Kingdom to Boise consider London Heathrow - Boise Air Term. Gowen Fld, London Gatwick - Boise Air Term. Gowen Fld or London City - Boise Air Term. Gowen Fld as they are the most popular.

  • Can I find deals for flights from United Kingdom to Boise that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Boise flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Boise.

  • Can I find deals for business class flights from United Kingdom to Boise?

    Yes. Cheapflights offers flight deals from United Kingdom to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Boise?

    Currently, April is the cheapest month in which you can book a flight from United Kingdom to Boise (average of £637). Flying from United Kingdom to Boise in August is currently the most expensive (average of £1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from United Kingdom to Boise

Discover the top 7 airlines that operate flights from United Kingdom to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£512Average£677FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£556Average£713FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£604Average£802FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£660Average£1,108FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£705Average£716FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Alaska AirlinesCheapest£740Average£956FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest£1,045Average£1,173FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Boise?

Cheapflights makes it easy to find United Kingdom to Boise flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Boise?

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom to Boise for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from United Kingdom to Boise with no change fees?

Yes, we can. To see specific flights from United Kingdom to Boise with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from United Kingdom to Boise become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boise from United Kingdom today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.