HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$601+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
Aug 9 — Aug 161
Sun 8/9
Sun 8/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from United Kingdom to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 10, 2026.

This FlightHub deal was found by Cheapflights users on 7/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:00 pm
LHR
-
BOI
2 stops36h 34m
Scandinavian Airlines
Fri 9/2512:14 pm
BOI
-
LHR
2 stops38h 06m
Scandinavian Airlines
Deal found 7/6$764
This Scandinavian Airlines deal was found by Cheapflights users on 7/5. 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.
Thu 9/105:00 pm
LHR
-
BOI
2 stops36h 34m
Scandinavian Airlines
Mon 9/144:00 pm
BOI
-
LHR
2 stops41h 00m
Scandinavian Airlines
Deal found 7/5$791
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/162:10 pm
LHR
-
BOI
2 stops27h 56m
United Airlines
Wed 9/235:40 pm
BOI
-
LHR
1 stop11h 55m
United Airlines
Deal found 7/7$848
This United Airlines deal was found by Cheapflights users on 7/5. 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 9/107:25 am
LHR
-
BOI
2 stops18h 54m
United Airlines
Mon 9/1410:31 am
BOI
-
LHR
1 stop16h 09m
United Airlines
Deal found 7/5$922
This Scandinavian Airlines deal was found by Cheapflights users on 7/8. 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.
Thu 9/107:15 pm
BHX
-
BOI
2 stops34h 19m
Scandinavian Airlines
Mon 9/144:00 pm
BOI
-
BHX
2 stops19h 35m
Scandinavian Airlines
Deal found 7/8$929
This Scandinavian Airlines deal was found by Cheapflights users on 7/8. 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.
Thu 9/107:10 pm
EDI
-
BOI
2 stops30h 30m
Scandinavian Airlines
Mon 9/144:00 pm
BOI
-
EDI
2 stops19h 25m
Scandinavian Airlines
Deal found 7/8$931
This United Airlines deal was found by Cheapflights users on 7/6. 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.
Fri 9/182:10 pm
LHR
-
BOI
2 stops32h 21m
United Airlines
Fri 9/255:30 pm
BOI
-
LHR
1 stop11h 55m
United Airlines
Deal found 7/6$932
This FlightHub deal was found by Cheapflights users on 7/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:20 am
LGW
-
BOI
2 stops19h 18m
Multiple Airlines
Fri 9/2510:14 am
BOI
-
LGW
2 stops25h 36m
Multiple Airlines
Deal found 7/6$1,009
This Trip.com deal was found by Cheapflights users on 7/5. 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 10/2410:20 am
LGW
-
BOI
2 stops20h 38m
Multiple Airlines
Sat 11/712:49 pm
BOI
-
LGW
2 stops19h 01m
Multiple Airlines
Deal found 7/5$1,024
This United Airlines deal was found by Cheapflights users on 7/5. 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 12/26:10 am
MAN
-
BOI
2 stops36h 52m
United Airlines
Sun 12/65:22 pm
BOI
-
MAN
2 stops40h 38m
United Airlines
Deal found 7/5$1,036
This Trip.com deal was found by Cheapflights users on 7/7. 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.
Mon 8/107:10 pm
EDI
-
BOI
2 stops30h 38m
Scandinavian Airlines
Mon 8/174:00 pm
BOI
-
EDI
2 stops19h 25m
Scandinavian Airlines
Deal found 7/7$1,039
This Expedia deal was found by Cheapflights users on 7/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:20 am
LGW
-
BOI
2 stops17h 05m
Multiple Airlines
Wed 10/712:58 pm
BOI
-
LGW
2 stops22h 47m
Multiple Airlines
Deal found 7/9$1,053

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 July 10, 2026.

Round-trip from

$764
(FlightHub)

One-way from

$601
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,232
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. 5% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 10, 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

Thu 9/10

5:00 pm-10:34 pm

2 stops36h 34m

Boise Air Term. Gowen Fld

Mon 9/14

4:00 pm-4:00 pm

2 stops41h 00m

$793

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 9/18

9:05 pm-6:40 pm

3 stops28h 35m

Boise Air Term. Gowen Fld

Fri 9/25

12:14 pm-6:30 pm

3 stops23h 16m

$841

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 9/10

7:25 am-7:19 pm

2 stops18h 54m

Boise Air Term. Gowen Fld

Mon 9/14

10:31 am-9:40 am

1 stop16h 09m

$923

BirminghamBoise

BHX - BOI

BHXBOI

Birmingham

Thu 9/10

7:15 pm-10:34 pm

2 stops34h 19m

Boise Air Term. Gowen Fld

Mon 9/14

4:00 pm-6:35 pm

2 stops19h 35m

$929

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Thu 9/10

7:10 pm-6:40 pm

2 stops30h 30m

Boise Air Term. Gowen Fld

Mon 9/14

4:00 pm-6:25 pm

2 stops19h 25m

$931

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 9/16

6:55 am-9:37 pm

2 stops21h 42m

Boise Air Term. Gowen Fld

Wed 9/23

12:28 pm-11:55 am

1 stop16h 27m

$936

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 10/23

2:05 pm-12:58 pm

2 stops29h 53m

Boise Air Term. Gowen Fld

Fri 11/6

8:22 am-7:25 am

1 stop16h 03m

$997

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 9/18

1:00 pm-9:31 pm

1 stop15h 31m

Boise Air Term. Gowen Fld

Fri 9/25

8:08 am-9:00 am

1 stop17h 52m

$1,002

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 9/18

10:20 am-10:38 pm

2 stops19h 18m

Boise Air Term. Gowen Fld

Fri 9/25

10:14 am-6:50 pm

2 stops25h 36m

$1,009

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sat 10/24

10:20 am-11:58 pm

2 stops20h 38m

Boise Air Term. Gowen Fld

Sat 11/7

12:49 pm-2:50 pm

2 stops19h 01m

$1,024

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
3
...
6

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 $884). 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 Scandinavian Airlines, United Airlines, and Lufthansa fly from United Kingdom to Boise in about 18h 54m. The time it takes to get you to your destination can typically vary by up to 17h 40m. 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, Edinburgh Turnhouse - Boise Air Term. Gowen Fld or London Heathrow - 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 $884). 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?

Book flights to Boise if you plan to visit one of these locations
Meridian
Nampa
Caldwell
Ontario

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.

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.