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Boise

$642+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
Jun 16 — Jun 231
Tue 6/16
Tue 6/23
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 May 17, 2026.

This ChecknFly deal was found by Cheapflights users on 5/16. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3012:00 pm
LHR
-
BOI
2 stops18h 06m
Lufthansa
Wed 1/1312:29 pm
BOI
-
LHR
1 stop34h 26m
Lufthansa
Deal found 5/16$882
This ChecknFly deal was found by Cheapflights users on 5/15. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:50 pm
LHR
-
BOI
1 stop13h 45m
Lufthansa
Wed 9/307:05 pm
BOI
-
LHR
2 stops32h 05m
Lufthansa
Deal found 5/15$965
This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:25 am
LHR
-
BOI
2 stops21h 15m
United Airlines
Wed 9/306:25 am
BOI
-
LHR
2 stops17h 50m
United Airlines
Deal found 5/15$969
This Scandinavian Airlines deal was found by Cheapflights users on 5/16. 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 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 stops32h 08m
Scandinavian Airlines
Tue 10/610:38 am
BOI
-
EDI
2 stops24h 47m
Scandinavian Airlines
Deal found 5/16$986
This ChecknFly deal was found by Cheapflights users on 5/15. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:00 pm
LHR
-
BOI
2 stops24h 27m
Lufthansa
Thu 9/248:15 am
BOI
-
LHR
2 stops18h 55m
Lufthansa
Deal found 5/15$1,004
This ChecknFly deal was found by Cheapflights users on 5/17. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:00 am
LHR
-
BOI
2 stops22h 55m
Lufthansa
Sun 6/287:05 pm
BOI
-
LHR
1 stop29h 20m
Lufthansa
Deal found 5/17$1,030
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:45 pm
MAN
-
BOI
2 stops36h 21m
Lufthansa
Tue 11/1710:39 am
BOI
-
MAN
2 stops18h 41m
Lufthansa
Deal found 5/15$1,031
This ChecknFly deal was found by Cheapflights users on 5/15. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:00 pm
LHR
-
BOI
2 stops24h 32m
Lufthansa
Sun 7/55:46 pm
BOI
-
LHR
1 stop32h 54m
Lufthansa
Deal found 5/15$1,042
This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:30 am
MAN
-
BOI
2 stops31h 13m
United Airlines
Tue 11/248:20 am
BOI
-
MAN
2 stops23h 30m
United Airlines
Deal found 5/15$1,045
This United Airlines deal was found by Cheapflights users on 5/12. 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 11/116:10 am
MAN
-
BOI
2 stops36h 52m
United Airlines
Sun 11/1512:29 pm
BOI
-
MAN
2 stops37h 16m
United Airlines
Deal found 5/12$1,049
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/298:00 am
LHR
-
BOI
1 stop21h 56m
Lufthansa
Mon 7/62:41 pm
BOI
-
LHR
1 stop14h 44m
Lufthansa
Deal found 5/12$1,055
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:40 am
EDI
-
BOI
2 stops19h 52m
United Airlines
Tue 10/612:29 pm
BOI
-
EDI
1 stop12h 56m
United Airlines
Deal found 5/16$1,058

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 May 17, 2026.

Round-trip from

$965
(ChecknFly)

One-way from

$642
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$908
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 ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 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

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Fri 10/2

7:10 pm-8:18 pm

2 stops32h 08m

Boise Air Term. Gowen Fld

Tue 10/6

10:38 am-6:25 pm

2 stops24h 47m

$986
Quickest round-trip

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 6/24

8:00 am-5:56 pm

2 stops16h 56m

Boise Air Term. Gowen Fld

Wed 9/30

5:44 pm-12:35 pm

1 stop11h 51m

$1,001

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 6/23

12:00 pm-10:37 pm

2 stops17h 37m

Boise Air Term. Gowen Fld

Sun 7/5

7:05 pm-10:10 am

2 stops32h 05m

$1,030

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Fri 10/2

9:40 am-10:32 pm

2 stops19h 52m

Boise Air Term. Gowen Fld

Tue 10/6

12:29 pm-8:25 am

1 stop12h 56m

$1,058

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 6/29

8:00 am-10:56 pm

1 stop21h 56m

Boise Air Term. Gowen Fld

Mon 7/6

2:41 pm-6:25 pm

2 stops20h 44m

$1,059

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 6/23

8:00 am-10:56 pm

1 stop21h 56m

Boise Air Term. Gowen Fld

Sat 7/4

2:40 pm-5:55 am

2 stops32h 15m

$1,068

BirminghamBoise

BHX - BOI

BHXBOI

Birmingham

Thu 11/12

6:00 am-11:05 pm

2 stops24h 05m

Boise Air Term. Gowen Fld

Mon 11/16

5:00 am-12:35 pm

2 stops24h 35m

$1,069

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 6/29

9:30 am-10:37 pm

2 stops20h 07m

Boise Air Term. Gowen Fld

Mon 7/6

10:35 am-10:10 am

2 stops16h 35m

$1,092

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 6/30

10:00 am-10:37 pm

2 stops19h 37m

Boise Air Term. Gowen Fld

Tue 7/7

8:25 am-7:15 am

2 stops15h 50m

$1,092

LondonBoise

LCY - BOI

LCYBOI

London City

Tue 6/23

9:15 am-10:56 pm

2 stops20h 41m

Boise Air Term. Gowen Fld

Sun 7/5

12:38 pm-5:55 pm

2 stops46h 17m

$1,107

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 46 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

How far ahead should I book a flight from United Kingdom to Boise?

The best time to book flights from United Kingdom to Boise is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $867). 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 16h 56m. The time it takes to get you to your destination can typically vary by up to 15h 12m. 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 $867). 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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