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Cheap flights from the United Kingdom to Boise from £292

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
15 2월 — 22 2월1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 1월 2026.

Round-trip from

£539

One-way from

£292

Popular in

December

Cheapest in

January

Average price

£579
Lufthansa
  • Lufthansa
  • 11/2-18/2
  • 3 total stops
  • 33h 22m total
  • United Kingdom to Boise
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12/4
  • 12/4
  • 3 total stops
  • 47h 13m total
  • United Kingdom to Boise
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 16 1월 2026.

수 11/206:35
LHR
-
BOI
2 stops18h 32m
Lufthansa
수 18/208:05
BOI
-
LHR
1 stop14h 50m
Lufthansa
Deal found 14/1£539
수 15/406:55
LHR
-
BOI
2 stops21h 27m
Lufthansa
수 29/414:37
BOI
-
LHR
1 stop14h 43m
Lufthansa
Deal found 14/1£563
월 20/407:25
LHR
-
BOI
2 stops33h 29m
United Airlines
월 27/405:00
BOI
-
LHR
2 stops18h 55m
United Airlines
Deal found 15/1£571
금 20/206:30
LHR
-
BOI
2 stops21h 25m
United Airlines
월 2/317:24
BOI
-
LHR
1 stop33h 16m
United Airlines
Deal found 15/1£582
일 1/308:30
LHR
-
BOI
2 stops21h 26m
United Airlines
일 8/317:31
BOI
-
LHR
1 stop34h 09m
United Airlines
Deal found 15/1£591
월 20/415:40
LGW
-
BOI
2 stops38h 17m
Icelandair
월 27/416:38
BOI
-
LGW
2 stops39h 02m
Icelandair
Deal found 15/1£667
수 21/109:25
EDI
-
BOI
2 stops21h 23m
United Airlines
일 25/106:10
BOI
-
EDI
2 stops18h 45m
United Airlines
Deal found 13/1£702
금 7/810:55
LGW
-
BOI
1 stop18h 56m
Multiple Airlines
금 21/806:00
BOI
-
LGW
2 stops21h 55m
Multiple Airlines
Deal found 14/1£744
토 28/211:55
LGW
-
BOI
2 stops16h 20m
Icelandair
토 7/305:40
BOI
-
LGW
2 stops22h 15m
Icelandair
Deal found 14/1£760
토 28/211:55
LGW
-
BOI
2 stops17h 45m
Multiple Airlines
토 7/309:52
BOI
-
LGW
2 stops18h 03m
Multiple Airlines
Deal found 14/1£788
금 1/509:00
EDI
-
BOI
2 stops41h 16m
Air Canada
금 15/506:15
BOI
-
EDI
2 stops42h 05m
Air Canada
Deal found 14/1£810
금 1/509:00
EDI
-
BOI
1 stop20h 28m
Delta
금 15/512:42
BOI
-
EDI
2 stops20h 28m
Delta
Deal found 15/1£818

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 16 1월 2026.
Use the filters below to find and compare flights from the United Kingdom to Boise that are best for you.

Fly from

United Kingdom

Fly to

Boise

Route

Depart

Return

Price

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

수 11/2

07:40-18:07

2 stops17h 27m

Boise Air Term. Gowen Fld

수 18/2

14:40-14:45

2 stops17h 05m

£565

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

월 20/4

07:25-09:54

2 stops33h 29m

Boise Air Term. Gowen Fld

월 27/4

05:00-06:55

2 stops18h 55m

£571

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

금 27/2

06:30-20:55

2 stops21h 25m

Boise Air Term. Gowen Fld

월 9/3

05:00-09:40

1 stop22h 40m

£582

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

금 20/2

06:30-20:55

2 stops21h 25m

Boise Air Term. Gowen Fld

월 2/3

06:25-09:40

1 stop20h 15m

£582

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

월 20/4

15:40-22:57

2 stops38h 17m

Boise Air Term. Gowen Fld

월 27/4

16:38-14:40

2 stops39h 02m

£667

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

토 28/2

11:55-21:15

2 stops16h 20m

Boise Air Term. Gowen Fld

토 7/3

05:40-10:55

2 stops22h 15m

£760

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

토 28/2

11:55-22:40

2 stops17h 45m

Boise Air Term. Gowen Fld

토 7/3

09:52-10:55

2 stops18h 03m

£788

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

금 1/5

09:00-19:16

2 stops41h 16m

Boise Air Term. Gowen Fld

금 15/5

06:15-07:20

2 stops42h 05m

£810

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

금 1/5

09:00-22:28

1 stop20h 28m

Boise Air Term. Gowen Fld

금 15/5

12:42-16:10

2 stops20h 28m

£818

BirminghamBoise

BHX - BOI

BHXBOI

Birmingham

목 5/2

06:00-23:48

2 stops24h 48m

Boise Air Term. Gowen Fld

일 8/2

10:48-12:35

2 stops18h 47m

£828

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 40 results
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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, March is the cheapest month in which you can book a flight from United Kingdom to Boise (average of £509). Flying from United Kingdom to Boise in July is currently the most expensive (average of £675). 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 16 1월 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
7.7
Good
1,440 reviews
Check prices

Entertainment

7.1

Food

7.2

Comfort

7.6

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,440 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Entertainment

7.1

Food

7.2

Comfort

7.6

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Entertainment

7.1

Food

7.2

Comfort

7.6

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,164 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Entertainment

7.1

Food

7.2

Comfort

7.6

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Icelandair
7.1
Good
596 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Entertainment

7.1

Food

7.2

Comfort

7.6

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,718 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Entertainment

7.1

Food

7.2

Comfort

7.6

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 17h 27m. Fly via Lufthansa, United Airlines, or Icelandair to get the fastest option. There are 4829 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 Birmingham - 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, March is the cheapest month in which you can book a flight from United Kingdom to Boise (average of £509). Flying from United Kingdom to Boise in July is currently the most expensive (average of £675). 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 16 1월 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£536Average£694FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£536Average£703FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£600Average£808FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£603Average£936FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£649Average£729FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£657Average£779FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£686Average£804FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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