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£73+ Cheap flights from Boise

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOI — LHR
16 Jul — 23 Jul1
1 adult

Find flights from Boise

Cheapest flights from Boise
Explore the most affordable flight options available from Boise. Find the lowest fares based on data from user searches, with prices last updated on 11 July 2025.

Tue 28/1012:50BOI - LGA
1 stop8h 30mSouthwest
Sat 1/1106:10LGA - BOI
1 stop9h 55mSouthwest
Deal found 9/7£117
Wed 3/918:05BOI - BWI
1 stop9h 05mSouthwest
Tue 9/908:05BWI - BOI
1 stop10h 45mSouthwest
Deal found 10/7£124
Sat 1/1113:43BOI - JFK
1 stop9h 09mDelta
Wed 5/1107:25JFK - BOI
1 stop10h 39mDelta
Deal found 10/7£145
Wed 6/823:40BOI - BWI
1 stop7h 43mDelta
Tue 19/819:10BWI - BOI
1 stop6h 46mDelta
Deal found 10/7£145
Fri 31/1015:00BOI - LGA
1 stop6h 47mDelta
Wed 5/1106:05LGA - BOI
1 stop10h 00mDelta
Deal found 11/7£147
Mon 20/1017:38BOI - JFK
1 stop11h 42mAlaska Airlines
Thu 23/1007:20JFK - BOI
1 stop9h 16mAlaska Airlines
Deal found 10/7£148
Thu 2/1017:45BOI - BWI
1 stop9h 54mAlaska Airlines
Tue 7/1007:51BWI - BOI
1 stop8h 45mAlaska Airlines
Deal found 9/7£148
Wed 6/812:39BOI - LGA
1 stop8h 43mUnited Airlines
Wed 13/806:25LGA - BOI
1 stop7h 18mUnited Airlines
Deal found 9/7£180
Sat 9/819:15BOI - BWI
1 stop7h 48mUnited Airlines
Sat 16/816:20BWI - BOI
1 stop8h 07mUnited Airlines
Deal found 10/7£194
Mon 8/1209:50BOI - JFK
1 stop10h 29mHawaiian Airlines
Fri 12/1213:00JFK - BOI
1 stop10h 35mHawaiian Airlines
Deal found 10/7£227
Wed 20/814:42BOI - LHR
1 stop14h 38mUnited Airlines
Wed 27/809:30LHR - BOI
2 stops33h 01mUnited Airlines
Deal found 10/7£448
Sun 3/807:30BOI - LHR
1 stop20h 50mDelta
Tue 12/806:15LHR - BOI
2 stops19h 01mDelta
Deal found 8/7£460

Find flights from Boise within your budget

Find flights departing from Boise that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 11 July 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

BoiseNew York

BOI - LGA

BOILGA

Boise Air Term. Gowen Fld

Tue 28/10

12:50-23:20

1 stop8h 30m

New York LaGuardia

Sat 1/11

06:10-14:05

1 stop9h 55m

£117

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 3/9

18:05-05:10

1 stop9h 05m

Baltimore/Washington

Tue 9/9

08:05-16:50

1 stop10h 45m

£124

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Sat 1/11

13:43-00:52

1 stop9h 09m

New York John F Kennedy Intl

Wed 5/11

07:25-16:04

1 stop10h 39m

£145

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 6/8

23:40-09:23

1 stop7h 43m

Baltimore/Washington

Tue 19/8

19:10-23:56

1 stop6h 46m

£145

BoiseNew York

BOI - LGA

BOILGA

Boise Air Term. Gowen Fld

Fri 31/10

15:00-23:47

1 stop6h 47m

New York LaGuardia

Wed 5/11

06:05-14:05

1 stop10h 00m

£147

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Mon 20/10

17:38-07:20

1 stop11h 42m

New York John F Kennedy Intl

Thu 23/10

07:20-14:36

1 stop9h 16m

£148

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 2/10

17:45-05:39

1 stop9h 54m

Baltimore/Washington

Wed 8/10

07:51-14:36

1 stop8h 45m

£148

BoiseNew York

BOI - LGA

BOILGA

Boise Air Term. Gowen Fld

Wed 6/8

12:39-23:22

1 stop8h 43m

New York LaGuardia

Wed 13/8

06:25-11:43

1 stop7h 18m

£180

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 9/8

19:15-05:03

1 stop7h 48m

Baltimore/Washington

Sat 16/8

16:20-22:27

1 stop8h 07m

£194

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Mon 8/12

09:50-22:19

1 stop10h 29m

New York John F Kennedy Intl

Fri 12/12

13:00-21:35

1 stop10h 35m

£227

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 60 results
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Best time to book a flight from Boise

Have a flexible travel schedule? Discover the best time to fly from Boise 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.

Travel insights for flights from Boise

Get recent, data-driven insights about flights from Boise including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Boise?

Use this chart to determine the optimal time to book a return flight from Boise to Heathrow. Price data was last updated on 27 June 2025.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boise?

Currently, October is the cheapest month in which you can book a flight from Boise (average of £450). Flying from Boise in July will prove the most costly (average of £756). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Boise

Get insights into the airlines that provide service from Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Boise. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Read through reviews of airlines serving Boise, such as Delta, KLM, andFinnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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Related info for your journey

Access useful and relevant information related to your journey from Boise. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 11 July 2025.
  • What are the most popular destinations to fly to from Boise?

    This month, the top selected destinations from Boise are Denver, Dallas/Fort Worth Airport, Chicago. Throughout the year, Denver, Dallas/Fort Worth Airport, Cancún are some of the top choices made by users flying from Boise.

  • What is the cheapest premium economy flight from Boise?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Boise.
    Boise Air Term. Gowen Fld to Denver from £784

  • What is the cheapest month to fly from Boise?

    At the present moment the cheapest month to fly from Boise is currently October; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Boise?

    Cheapflights helps you search for flights from Boise via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Boise?

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Boise.

  • Can Cheapflights find flights from Boise with no change fees?

    Need flexible booking options for your flight from Boise ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Boise become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from Boise?

Cheapflights helps you search for flights from Boise via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Boise?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Boise.

Can Cheapflights find flights from Boise with no change fees?

Need flexible booking options for your flight from Boise ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Boise become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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