£90+ Cheap flights from Boise

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. 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
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

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 17 November 2025.

Tue 6/109:15BOI - JFK
1 stop10h 46mDelta
Sat 10/107:50JFK - BOI
1 stop8h 12mDelta
Deal found 16/11£219
Wed 18/206:25BOI - BWI
1 stop6h 42mUnited Airlines
Wed 25/208:42BWI - BOI
1 stop9h 25mUnited Airlines
Deal found 14/11£233
Sat 6/1205:35BOI - BWI
1 stop6h 13mDelta
Mon 8/1207:15BWI - BOI
2 stops13h 36mDelta
Deal found 16/11£236
Tue 2/1206:35BOI - BWI
1 stop8h 41mUnited Airlines
Sat 6/1213:10BWI - BOI
2 stops12h 34mUnited Airlines
Deal found 17/11£237
Mon 9/317:00BOI - BWI
2 stops15h 36mDelta
Tue 10/316:40BWI - BOI
1 stop8h 10mDelta
Deal found 15/11£241
Tue 10/306:28BOI - JFK
1 stop10h 42mHawaiian Airlines
Wed 11/313:00JFK - BOI
1 stop10h 19mHawaiian Airlines
Deal found 16/11£241
Fri 12/1219:45BOI - BWI
2 stops12h 17mDelta
Mon 15/1212:19BWI - BOI
2 stops13h 45mDelta
Deal found 15/11£241
Mon 8/1215:13BOI - JFK
1 stop6h 38mDelta
Sat 13/1210:59JFK - BOI
1 stop9h 52mDelta
Deal found 17/11£242
Tue 10/315:00BOI - LGA
1 stop6h 50mDelta
Wed 11/316:00LGA - BOI
1 stop8h 50mDelta
Deal found 15/11£242
Tue 2/1205:50BOI - BWI
2 stops10h 21mDelta
Fri 5/1211:39BWI - BOI
2 stops10h 41mDelta
Deal found 15/11£256
Sat 13/1211:10BOI - JFK
1 stop8h 05mDelta
Tue 16/1207:05JFK - BOI
1 stop10h 08mDelta
Deal found 17/11£261
Sat 7/306:28BOI - BWI
1 stop9h 18mAlaska Airlines
Sat 14/318:46BWI - BOI
1 stop16h 44mAlaska Airlines
Deal found 16/11£263

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 17 November 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 - JFK

BOIJFK

Boise Air Term. Gowen Fld

Tue 6/1

08:50-22:01

1 stop11h 11m

New York John F Kennedy Intl

Sat 10/1

06:10-12:04

1 stop7h 54m

£219

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 18/2

06:25-15:07

1 stop6h 42m

Baltimore/Washington

Wed 25/2

08:42-16:07

1 stop9h 25m

£233

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 2/12

06:35-17:16

1 stop8h 41m

Baltimore/Washington

Sat 6/12

13:10-23:44

2 stops12h 34m

£237

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 9/3

08:40-22:59

2 stops12h 19m

Baltimore/Washington

Tue 10/3

07:00-16:26

2 stops11h 26m

£240

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 6/12

08:45-22:08

2 stops11h 23m

Baltimore/Washington

Mon 8/12

07:15-18:51

2 stops13h 36m

£240

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 18/2

07:45-17:30

2 stops7h 45m

Baltimore/Washington

Wed 25/2

06:40-15:20

2 stops10h 40m

£241

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Tue 10/3

06:28-19:10

1 stop10h 42m

New York John F Kennedy Intl

Wed 11/3

07:00-14:58

1 stop9h 58m

£241

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 12/12

19:45-10:02

2 stops12h 17m

Baltimore/Washington

Mon 15/12

12:19-00:04

2 stops13h 45m

£241

BoiseNew York

BOI - LGA

BOILGA

Boise Air Term. Gowen Fld

Tue 10/3

15:00-23:50

1 stop6h 50m

New York LaGuardia

Wed 11/3

16:00-22:50

1 stop8h 50m

£242

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 2/12

05:50-18:11

2 stops10h 21m

Baltimore/Washington

Fri 5/12

11:39-20:20

2 stops10h 41m

£256

Flights are sorted by cheapest return flights first.

Deals found on 16/11

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 14 November 2025.

Booking 7 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, July is the cheapest month in which you can book a flight from Boise (average of £464). Flying from Boise in June will prove the most costly (average of £823). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from Idaho

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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 17 November 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, Cancún. Throughout the year, Denver, Honolulu, Dallas/Fort Worth Airport are some of the top choices made by users flying from Boise.

  • What is the cheapest first class flight from Boise?

    If you’re looking for a cheap first-class flight from Boise, consider Denver. Prices start at £699 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Boise?

    At the present moment the cheapest month to fly from Boise is currently July; with June 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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