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Cheap flights from the United Kingdom to Boise from £361

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
17 May — 24 May1
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 17 April 2026.

Wed 16/910:50
LHR
-
BOI
2 stops20h 00m
United Airlines
Sun 20/919:01
BOI
-
LHR
1 stop29h 24m
United Airlines
Deal found 12/4£656
Sat 5/906:40
LHR
-
BOI
2 stops18h 55m
Scandinavian Airlines
Sat 19/910:23
BOI
-
LHR
2 stops24h 17m
Scandinavian Airlines
Deal found 14/4£691
Sat 31/1011:10
LHR
-
BOI
2 stops37h 45m
Lufthansa
Sat 14/1117:22
BOI
-
LHR
2 stops59h 28m
Lufthansa
Deal found 14/4£702
Sat 21/1107:30
LHR
-
BOI
2 stops20h 46m
Lufthansa
Sat 5/1217:22
BOI
-
LHR
2 stops59h 28m
Lufthansa
Deal found 14/4£703
Fri 9/1014:50
LHR
-
BOI
1 stop13h 26m
Lufthansa
Fri 23/1010:39
BOI
-
LHR
1 stop16h 01m
Lufthansa
Deal found 14/4£712
Sat 30/506:40
LHR
-
BOI
2 stops20h 54m
Scandinavian Airlines
Sat 6/612:15
BOI
-
LHR
3 stops23h 35m
Scandinavian Airlines
Deal found 15/4£722
Fri 2/1019:10
EDI
-
BOI
2 stops30h 25m
Scandinavian Airlines
Tue 6/1012:42
BOI
-
EDI
2 stops22h 43m
Scandinavian Airlines
Deal found 12/4£725
Mon 1/619:10
EDI
-
BOI
2 stops34h 01m
Scandinavian Airlines
Mon 8/618:08
BOI
-
EDI
2 stops41h 17m
Scandinavian Airlines
Deal found 17/4£754
Sun 31/514:00
LGW
-
BOI
2 stops40h 58m
Multiple Airlines
Sun 7/608:38
BOI
-
LGW
1 stop19h 17m
Multiple Airlines
Deal found 16/4£785
Thu 24/911:30
EDI
-
BOI
2 stops17h 52m
United Airlines
Mon 28/906:20
BOI
-
EDI
2 stops18h 45m
United Airlines
Deal found 13/4£789
Sat 10/1008:25
LCY
-
BOI
2 stops21h 30m
Multiple Airlines
Sat 24/1008:18
BOI
-
LCY
2 stops22h 57m
Multiple Airlines
Deal found 14/4£798
Mon 1/614:00
LGW
-
BOI
2 stops38h 20m
Multiple Airlines
Mon 15/608:03
BOI
-
LGW
1 stop19h 52m
Multiple Airlines
Deal found 16/4£808

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 17 April 2026.

Round-trip from

£656

One-way from

£361

Popular in

December

Cheapest in

January

Average price

£620
United Airlines
  • United Airlines
  • 16/9-20/9
  • 4 total stops
  • 58h 08m total
  • United Kingdom to Boise
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 39h 23m total
  • United Kingdom to Boise
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£46 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 April 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 17 April 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

Wed 16/9

10:50-23:50

2 stops20h 00m

Boise Air Term. Gowen Fld

Sun 20/9

19:01-07:25

1 stop29h 24m

£656

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 9/10

07:25-17:55

2 stops17h 30m

Boise Air Term. Gowen Fld

Fri 23/10

05:00-06:55

2 stops18h 55m

£715

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Fri 2/10

19:10-18:35

2 stops30h 25m

Boise Air Term. Gowen Fld

Tue 6/10

12:42-18:25

2 stops22h 43m

£725

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 5/9

06:40-20:18

2 stops20h 38m

Boise Air Term. Gowen Fld

Sat 19/9

10:23-16:25

3 stops23h 02m

£746

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 5/5

13:05-23:02

2 stops16h 57m

Boise Air Term. Gowen Fld

Wed 13/5

16:19-20:20

2 stops21h 01m

£752

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sun 31/5

14:00-23:58

2 stops40h 58m

Boise Air Term. Gowen Fld

Sun 7/6

08:38-10:55

1 stop19h 17m

£785

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Thu 24/9

11:30-22:22

2 stops17h 52m

Boise Air Term. Gowen Fld

Mon 28/9

06:20-08:05

2 stops18h 45m

£789

LondonBoise

LCY - BOI

LCYBOI

London City

Sat 10/10

08:25-22:55

2 stops21h 30m

Boise Air Term. Gowen Fld

Sat 24/10

08:18-14:15

2 stops22h 57m

£798

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 1/6

14:00-21:20

2 stops38h 20m

Boise Air Term. Gowen Fld

Mon 15/6

08:03-10:55

1 stop19h 52m

£808

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 9/10

10:20-22:47

2 stops19h 27m

Boise Air Term. Gowen Fld

Fri 23/10

13:00-14:40

2 stops18h 40m

£829

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 57 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 £497). Flying from United Kingdom to Boise in July is currently the most expensive (average of £632). 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 17 April 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
1,499 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,499 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
687 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,603 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.0
Good
634 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,926 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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. Fly via United Airlines, Scandinavian Airlines, or KLM 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 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, January is the cheapest month in which you can book a flight from United Kingdom to Boise (average of £497). Flying from United Kingdom to Boise in July is currently the most expensive (average of £632). 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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£465Average£716FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£504Average£666FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£595Average£786FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£597Average£914FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£695Average£708FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£695Average£815FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£790Average£1,154FlexibilityNo 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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