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Boise

$488+ Cheap flights from the United Kingdom to Boise (BOI)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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Cheap flight deals from United Kingdom to Boise

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 April 17, 2026.

This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:50 am
LHR
-
BOI
2 stops20h 00m
United Airlines
Sun 9/2010:37 am
BOI
-
LHR
2 stops38h 08m
United Airlines
Deal found 4/12$888
This The Travel House deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:40 am
LHR
-
BOI
2 stops18h 55m
Scandinavian Airlines
Sat 9/1910:23 am
BOI
-
LHR
2 stops24h 17m
Scandinavian Airlines
Deal found 4/14$935
This The Travel House deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:10 am
LHR
-
BOI
2 stops37h 45m
Lufthansa
Sat 11/145:22 pm
BOI
-
LHR
2 stops59h 28m
Lufthansa
Deal found 4/14$950
This The Travel House deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:30 am
LHR
-
BOI
2 stops20h 46m
Lufthansa
Sat 12/55:22 pm
BOI
-
LHR
2 stops59h 28m
Lufthansa
Deal found 4/14$951
This Globehunters deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:50 pm
LHR
-
BOI
1 stop13h 26m
Lufthansa
Fri 10/2310:39 am
BOI
-
LHR
1 stop16h 01m
Lufthansa
Deal found 4/14$964
This Scandinavian Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:40 am
LHR
-
BOI
2 stops20h 54m
Scandinavian Airlines
Sat 6/612:15 pm
BOI
-
LHR
3 stops23h 35m
Scandinavian Airlines
Deal found 4/15$977
This Scandinavian Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:10 pm
EDI
-
BOI
2 stops30h 25m
Scandinavian Airlines
Tue 10/612:42 pm
BOI
-
EDI
2 stops22h 43m
Scandinavian Airlines
Deal found 4/12$981
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:10 pm
EDI
-
BOI
2 stops34h 01m
Scandinavian Airlines
Mon 6/86:08 pm
BOI
-
EDI
2 stops41h 17m
Scandinavian Airlines
Deal found 4/17$1,020
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:00 pm
LGW
-
BOI
2 stops40h 58m
Multiple Airlines
Sun 6/78:38 am
BOI
-
LGW
1 stop19h 17m
Multiple Airlines
Deal found 4/16$1,062
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:30 am
EDI
-
BOI
2 stops17h 52m
United Airlines
Mon 9/286:20 am
BOI
-
EDI
2 stops18h 45m
United Airlines
Deal found 4/13$1,068
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:25 am
LCY
-
BOI
2 stops21h 30m
Multiple Airlines
Sat 10/248:18 am
BOI
-
LCY
2 stops22h 57m
Multiple Airlines
Deal found 4/14$1,080
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:00 pm
LGW
-
BOI
2 stops38h 20m
Multiple Airlines
Mon 6/158:03 am
BOI
-
LGW
1 stop19h 52m
Multiple Airlines
Deal found 4/16$1,093

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 April 17, 2026.

Round-trip from

$888
(United Airlines)

One-way from

$488
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$839
From United Kingdom to Boise Air Term. Gowen Fld
Search Deals
One-way flight from United Kingdom to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated April 17, 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 round-trip

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 9/16

10:50 am-11:50 pm

2 stops20h 00m

Boise Air Term. Gowen Fld

Sun 9/20

10:37 am-7:45 am

2 stops38h 08m

$888

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 10/9

7:25 am-5:55 pm

2 stops17h 30m

Boise Air Term. Gowen Fld

Fri 10/23

5:00 am-6:55 am

2 stops18h 55m

$968

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Fri 10/2

7:10 pm-6:35 pm

2 stops30h 25m

Boise Air Term. Gowen Fld

Tue 10/6

12:42 pm-6:25 pm

2 stops22h 43m

$981

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 9/5

6:40 am-8:18 pm

2 stops20h 38m

Boise Air Term. Gowen Fld

Sat 9/19

10:23 am-4:25 pm

3 stops23h 02m

$1,009

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sun 5/31

2:00 pm-11:58 pm

2 stops40h 58m

Boise Air Term. Gowen Fld

Sun 6/7

8:38 am-10:55 am

1 stop19h 17m

$1,062

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Thu 9/24

11:30 am-10:22 pm

2 stops17h 52m

Boise Air Term. Gowen Fld

Mon 9/28

6:20 am-8:05 am

2 stops18h 45m

$1,068

LondonBoise

LCY - BOI

LCYBOI

London City

Sat 10/10

8:25 am-10:55 pm

2 stops21h 30m

Boise Air Term. Gowen Fld

Sat 10/24

8:18 am-2:15 pm

2 stops22h 57m

$1,080

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 6/1

2:00 pm-9:20 pm

2 stops38h 20m

Boise Air Term. Gowen Fld

Mon 6/15

8:03 am-10:55 am

1 stop19h 52m

$1,093

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 10/9

10:20 am-10:47 pm

2 stops19h 27m

Boise Air Term. Gowen Fld

Fri 10/23

1:00 pm-2:40 pm

2 stops18h 40m

$1,122

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Wed 5/13

11:30 am-10:35 pm

2 stops18h 05m

Boise Air Term. Gowen Fld

Wed 5/20

5:00 am-7:20 am

2 stops43h 20m

$1,133

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 52 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 round-trip 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 $673). Flying from United Kingdom to Boise in July is currently the most expensive (average of $855). 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.

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?

    For a flight from United Kingdom to Boise, you will be flying into Air Term. Gowen Fld. Boise Air Term. Gowen Fld (BOI) is just 3.3 mi from the center of the city.

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

    Airlines like United Airlines, Scandinavian Airlines, and Icelandair fly from United Kingdom to Boise in about 20h. The time it takes to get you to your destination can typically vary by up to 13h 34m. There are 4829 mi between United Kingdom and Boise. Both multi-stop and nonstop flights can be found to your destination and back.

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

    When deciding which route to take from United Kingdom to Boise consider Manchester - Boise Air Term. Gowen Fld, London Heathrow - 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 vacation 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 $673). Flying from United Kingdom to Boise in July is currently the most expensive (average of $855). 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

Traveling to a place near Boise?

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