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Cheap flights from the United Kingdom to Boise from £385

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
28 Jul — 4 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 28 June 2026.

Tue 1/906:40
LHR
-
BOI
2 stops19h 08m
Scandinavian Airlines
Sun 13/912:14
BOI
-
LHR
2 stops23h 16m
Scandinavian Airlines
Deal found 26/6£567
Fri 18/906:40
LHR
-
BOI
2 stops18h 59m
Scandinavian Airlines
Sun 27/912:14
BOI
-
LHR
2 stops26h 26m
Scandinavian Airlines
Deal found 26/6£582
Tue 15/906:40
LHR
-
BOI
2 stops22h 54m
Scandinavian Airlines
Sun 27/912:14
BOI
-
LHR
2 stops26h 26m
Scandinavian Airlines
Deal found 26/6£593
Tue 1/906:40
LHR
-
BOI
2 stops22h 50m
Scandinavian Airlines
Wed 16/916:00
BOI
-
LHR
2 stops41h 00m
Scandinavian Airlines
Deal found 28/6£645
Thu 3/1207:40
LHR
-
BOI
2 stops23h 19m
United Airlines
Sun 6/1218:55
BOI
-
LHR
1 stop33h 20m
United Airlines
Deal found 27/6£655
Mon 21/907:30
LHR
-
BOI
2 stops17h 28m
United Airlines
Tue 29/914:20
BOI
-
LHR
1 stop16h 50m
United Airlines
Deal found 26/6£661
Tue 1/909:30
LHR
-
BOI
2 stops19h 07m
Lufthansa
Wed 16/910:31
BOI
-
LHR
1 stop16h 09m
Lufthansa
Deal found 28/6£668
Sat 11/706:40
LHR
-
BOI
2 stops19h 43m
Scandinavian Airlines
Sat 3/1010:34
BOI
-
LHR
2 stops28h 06m
Scandinavian Airlines
Deal found 24/6£684
Tue 15/914:10
LHR
-
BOI
1 stop15h 43m
United Airlines
Tue 29/914:44
BOI
-
LHR
1 stop11h 56m
United Airlines
Deal found 26/6£685
Sat 11/706:40
LHR
-
BOI
2 stops22h 38m
Scandinavian Airlines
Sat 10/1012:42
BOI
-
LHR
3 stops23h 08m
Scandinavian Airlines
Deal found 24/6£687
Tue 1/910:20
LGW
-
BOI
2 stops20h 24m
Multiple Airlines
Wed 16/913:15
BOI
-
LGW
2 stops22h 30m
Multiple Airlines
Deal found 28/6£694
Tue 1/910:20
LGW
-
BOI
2 stops20h 24m
Multiple Airlines
Sun 13/910:14
BOI
-
LGW
2 stops25h 36m
Multiple Airlines
Deal found 26/6£716

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 28 June 2026.

Round-trip from

£567

One-way from

£385

Popular in

December

Cheapest in

January

Average price

£823
Scandinavian Airlines
  • Scandinavian Airlines
  • 1/9-13/9
  • 4 total stops
  • 42h 24m total
  • United Kingdom to Boise
Search Deals
14/10
  • 14/10
  • 3 total stops
  • 22h 32m total
  • United Kingdom to Boise
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 28 June 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 11/7

06:40-22:18

2 stops22h 38m

Boise Air Term. Gowen Fld

Sat 10/10

12:42-18:50

3 stops23h 08m

£687

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 12/11

06:35-21:19

2 stops21h 44m

Boise Air Term. Gowen Fld

Mon 16/11

08:22-11:15

1 stop19h 53m

£691

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 1/9

10:20-23:44

2 stops20h 24m

Boise Air Term. Gowen Fld

Wed 16/9

13:15-18:45

2 stops22h 30m

£694
Fastest return journey

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 19/9

11:25-17:58

1 stop13h 33m

Boise Air Term. Gowen Fld

Mon 28/9

17:30-12:25

1 stop11h 55m

£715

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 15/9

11:25-17:58

1 stop13h 33m

Boise Air Term. Gowen Fld

Fri 25/9

17:30-12:25

1 stop11h 55m

£715

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 1/9

10:20-23:44

2 stops20h 24m

Boise Air Term. Gowen Fld

Sun 13/9

10:14-18:50

2 stops25h 36m

£716

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 3/12

10:05-21:15

1 stop18h 10m

Boise Air Term. Gowen Fld

Sun 6/12

12:29-07:55

1 stop12h 26m

£744

BirminghamBoise

BHX - BOI

BHXBOI

Birmingham

Wed 18/11

06:10-16:59

3 stops41h 49m

Boise Air Term. Gowen Fld

Wed 9/12

09:40-12:35

2 stops19h 55m

£771

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/7

21:05-18:46

3 stops28h 41m

Boise Air Term. Gowen Fld

Sun 9/8

12:23-18:30

2 stops23h 07m

£790

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Thu 29/10

09:25-16:59

3 stops37h 34m

Boise Air Term. Gowen Fld

Mon 2/11

18:59-07:55

2 stops29h 56m

£795

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 55 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from United Kingdom to Boise (average of £510). Flying from United Kingdom to Boise in July is currently the most expensive (average of £670). 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 28 June 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
1,531 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,531 reviews
KLM
7.8
Good
1,531 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.5
Good
690 reviews
KLM
7.8
Good
1,531 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,899 reviews
KLM
7.8
Good
1,531 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
692 reviews
KLM
7.8
Good
1,531 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,103 reviews
KLM
7.8
Good
1,531 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 19h 22m. Fly via United Airlines, Lufthansa, or KLM 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, Edinburgh Turnhouse - Boise Air Term. Gowen Fld or London Gatwick - 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, January is the cheapest month in which you can book a flight from United Kingdom to Boise (average of £510). Flying from United Kingdom to Boise in July is currently the most expensive (average of £670). 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 28 June 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£516Average£676FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£556Average£693FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£605Average£810FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£666Average£1,121FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£712Average£725FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Alaska AirlinesCheapest£747Average£965FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest£1,055Average£1,183FlexibilityNo 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.

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