HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$415+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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

Keep the following information in mind while searching for United Kingdom to Boise flight deals. Data was last updated March 31, 2025.

Round-trip from

$542
(United Airlines)

One-way from

$415
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$915
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. 17% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find 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 March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/610:35 amLHR - BOI
2 stops33h 04mUnited Airlines
Tue 5/132:43 pmBOI - LHR
1 stop11h 57mUnited Airlines
Deal found 3/30$542
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/1411:30 amEDI - BOI
1 stop18h 15mUnited Airlines
Wed 5/211:35 pmBOI - EDI
2 stops38h 00mUnited Airlines
Deal found 3/30$641
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/68:45 amLCY - BOI
3 stops21h 07mMultiple Airlines
Tue 5/1311:02 amBOI - LCY
2 stops22h 23mMultiple Airlines
Deal found 3/30$762
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/69:30 amLHR - BOI
2 stops19h 12mMultiple Airlines
Tue 5/135:00 amBOI - LHR
3 stops18h 35mMultiple Airlines
Deal found 3/30$769
This TravelUp deal was found by Cheapflights users on 3/31. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/152:50 pmLHR - BOI
1 stop13h 52mLufthansa
Thu 5/2210:42 amBOI - LHR
1 stop15h 58mLufthansa
Deal found 3/31$773
This oojo deal was found by Cheapflights users on 3/30. 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.
Tue 5/61:00 pmLGW - BOI
2 stops16h 39mIcelandair
Tue 5/134:20 pmBOI - LGW
2 stops15h 20mIcelandair
Deal found 3/30$878
This TravelUp deal was found by Cheapflights users on 3/31. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:20 amLCY - BOI
2 stops18h 46mVirgin Atlantic
Thu 5/221:50 pmBOI - LCY
2 stops20h 30mVirgin Atlantic
Deal found 3/31$881
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/261:05 pmLHR - BOI
1 stop16h 20mKLM
Mon 7/711:45 amBOI - LHR
1 stop15h 05mKLM
Deal found 3/31$934
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 6/2811:50 amMAN - BOI
2 stops59h 05mUnited Airlines
Fri 7/115:42 pmBOI - MAN
2 stops40h 43mUnited Airlines
Deal found 3/30$941
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:30 amLHR - BOI
2 stops17h 29mDelta
Mon 6/231:00 pmBOI - LHR
2 stops17h 10mDelta
Deal found 3/30$996
This Trip.com deal was found by Cheapflights users on 3/31. 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.
Thu 5/156:00 amBHX - BOI
2 stops23h 52mMultiple Airlines
Thu 5/228:05 amBOI - BHX
2 stops30h 20mMultiple Airlines
Deal found 3/31$1,026
This ChecknFly deal was found by Cheapflights users on 3/30. 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 4/269:40 amEDI - BOI
2 stops18h 42mLufthansa
Sat 5/312:05 pmBOI - EDI
1 stop13h 20mLufthansa
Deal found 3/30$1,041

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 March 31, 2025.
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

Tue 5/6

10:35 am-12:39 pm

2 stops33h 04m

Boise Air Term. Gowen Fld

Tue 5/13

2:43 pm-9:40 am

1 stop11h 57m

$542

EdinburghBoise

EDI - BOI

EDIBOI

Edinburgh Turnhouse

Wed 5/14

12:30 pm-10:45 pm

2 stops17h 15m

Boise Air Term. Gowen Fld

Wed 5/21

1:35 pm-10:35 am

2 stops38h 00m

$641

LondonBoise

LCY - BOI

LCYBOI

London City

Tue 5/6

8:45 am-10:52 pm

3 stops21h 07m

Boise Air Term. Gowen Fld

Tue 5/13

11:02 am-4:25 pm

2 stops22h 23m

$762

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 5/6

9:30 am-9:42 pm

2 stops19h 12m

Boise Air Term. Gowen Fld

Tue 5/13

5:00 am-6:35 am

3 stops18h 35m

$769

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 5/15

2:50 pm-9:42 pm

1 stop13h 52m

Boise Air Term. Gowen Fld

Thu 5/22

10:42 am-9:40 am

1 stop15h 58m

$773

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 5/6

1:00 pm-10:39 pm

2 stops16h 39m

Boise Air Term. Gowen Fld

Tue 5/13

4:20 pm-2:40 pm

2 stops15h 20m

$878

LondonBoise

LCY - BOI

LCYBOI

London City

Thu 5/15

9:20 am-9:06 pm

2 stops18h 46m

Boise Air Term. Gowen Fld

Thu 5/22

1:50 pm-5:20 pm

2 stops20h 30m

$881

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 6/26

1:05 pm-10:25 pm

1 stop16h 20m

Boise Air Term. Gowen Fld

Mon 7/7

11:45 am-9:50 am

1 stop15h 05m

$934

ManchesterBoise

MAN - BOI

MANBOI

Manchester

Sat 6/28

11:50 am-3:55 pm

2 stops59h 05m

Boise Air Term. Gowen Fld

Fri 7/11

5:42 pm-5:25 pm

2 stops40h 43m

$941

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 6/18

6:30 am-4:59 pm

2 stops17h 29m

Boise Air Term. Gowen Fld

Mon 6/23

1:00 pm-1:10 pm

2 stops17h 10m

$996

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 43 results
1
2
3
...
5

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, October is the cheapest month in which you can book a flight from United Kingdom to Boise (average of $314). Flying from United Kingdom to Boise in June is currently the most expensive (average of $419). 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.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 March 31, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from United Kingdom to Boise. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
636 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from United Kingdom to Boise one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $848. Lufthansa flights start at $919 while deals on Finnair start at $961 one-way.

  • 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 Manchester - 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, October is the cheapest month in which you can book a flight from United Kingdom to Boise (average of $314). Flying from United Kingdom to Boise in June is currently the most expensive (average of $419). 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 the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Nampa
Meridian
McCall
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.

Alternative routes for United Kingdom to Boise

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Spokane flights
Dublin to Spokane flights
Charles de Gaulle to Jackson flights
Heathrow to Jackson flights
Charles de Gaulle to Boise flights
Heathrow to Boise flights
Charles de Gaulle to Spokane flights
Birmingham to Spokane flights
Madrid to Spokane flights
Frankfurt to Spokane flights
Madrid to Boise flights
Manchester to Boise flights
Barcelona-El Prat to Spokane flights
Gatwick to Spokane flights
Munich to Spokane flights
Frankfurt to Boise flights
Otopeni Intl to Boise flights
Vienna to Boise flights
Zurich to Boise flights
Heathrow to Idaho Falls flights
Lyon to Jackson flights
Lyon to Boise flights
Munich to Boise flights
Duesseldorf Intl to Spokane flights
Bruxelles-National to Jackson flights
Barcelona-El Prat to Boise flights
Bilbao to Boise flights
Duesseldorf Intl to Boise flights
Geneva to Boise flights
Leonardo da Vinci/Fiumicino to Spokane flights
Vienna to Spokane flights
Charles de Gaulle to West Yellowstone flights
Zurich to Spokane flights
Vienna to Jackson flights
Copenhagen to Boise flights
Edinburgh to Boise flights
Prague to Boise flights
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.