£68+ Cheap flights from Idaho

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. 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
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Find flights from Idaho

Enter your travel dates to find the best prices.

Cheapest flights from Idaho
Explore the most affordable flight options available from Idaho. Find the lowest fares based on data from user searches, with prices last updated on 13 November 2025.

Sat 6/1211:44BOI - JFK
1 stop9h 21mDelta
Tue 9/1218:45JFK - BOI
1 stop7h 57mDelta
Deal found 12/11£220
Mon 8/1208:25BOI - JFK
1 stop11h 36mAlaska Airlines
Wed 10/1216:00JFK - BOI
1 stop8h 56mAlaska Airlines
Deal found 11/11£238
Tue 10/306:28BOI - JFK
1 stop10h 42mHawaiian Airlines
Wed 11/307:00JFK - BOI
1 stop9h 58mHawaiian Airlines
Deal found 11/11£242
Mon 8/1209:00BOI - JFK
1 stop9h 01mDelta
Sat 13/1210:59JFK - BOI
1 stop9h 52mDelta
Deal found 11/11£243
Sun 11/109:02BOI - JFK
1 stop8h 26mAlaska Airlines
Sun 18/117:17JFK - BOI
1 stop8h 41mAlaska Airlines
Deal found 11/11£254
Sat 6/1206:03BOI - JFK
2 stops13h 58mAlaska Airlines
Tue 9/1207:00JFK - BOI
1 stop10h 26mAlaska Airlines
Deal found 11/11£260
Sat 13/1207:30BOI - JFK
1 stop10h 31mDelta
Tue 16/1210:59JFK - BOI
1 stop11h 21mDelta
Deal found 12/11£262
Fri 9/107:00BOI - JFK
2 stops13h 52mAlaska Airlines
Sat 17/116:22JFK - BOI
1 stop8h 39mAlaska Airlines
Deal found 11/11£263
Thu 22/109:02BOI - JFK
1 stop8h 26mAlaska Airlines
Mon 26/107:00JFK - BOI
1 stop10h 10mAlaska Airlines
Deal found 12/11£265
Mon 13/419:30BOI - JFK
1 stop8h 56mDelta
Sat 25/407:05JFK - BOI
1 stop11h 28mDelta
Deal found 12/11£266
Tue 17/205:40BOI - JFK
1 stop7h 45mAlaska Airlines
Sun 22/207:00JFK - BOI
1 stop10h 08mAlaska Airlines
Deal found 11/11£275
Mon 8/1215:39BOI - JFK
2 stops13h 51mAlaska Airlines
Sat 13/1209:30JFK - BOI
1 stop16h 25mAlaska Airlines
Deal found 11/11£276

Find flights from Idaho within your budget

 
Find flights departing from Idaho 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 13 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 17/2

05:40-15:25

1 stop7h 45m

New York John F Kennedy Intl

Sat 21/2

07:00-14:58

1 stop9h 58m

£220

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Mon 8/12

08:25-22:01

1 stop11h 36m

New York John F Kennedy Intl

Wed 10/12

16:00-22:56

1 stop8h 56m

£238

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Tue 3/2

05:40-15:18

1 stop7h 38m

New York John F Kennedy Intl

Thu 5/2

17:17-23:58

1 stop8h 41m

£242

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Mon 8/12

09:00-20:01

1 stop9h 01m

New York John F Kennedy Intl

Sat 13/12

10:59-18:51

1 stop9h 52m

£243

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Wed 3/12

14:04-01:07

1 stop9h 03m

New York John F Kennedy Intl

Fri 5/12

16:59-00:04

1 stop9h 05m

£243

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Fri 9/1

07:00-22:52

2 stops13h 52m

New York John F Kennedy Intl

Sat 17/1

16:22-23:01

1 stop8h 39m

£263

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Thu 23/4

09:00-22:56

1 stop11h 56m

New York John F Kennedy Intl

Mon 27/4

09:30-23:18

1 stop15h 48m

£265

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Sat 13/12

09:00-20:01

1 stop9h 01m

New York John F Kennedy Intl

Tue 16/12

10:59-18:51

1 stop9h 52m

£279

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Wed 10/12

12:55-00:09

1 stop9h 14m

New York John F Kennedy Intl

Wed 17/12

07:05-15:13

1 stop10h 08m

£292

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Thu 11/12

11:44-22:44

1 stop9h 00m

New York John F Kennedy Intl

Sun 14/12

07:00-16:02

1 stop11h 02m

£292

Flights are sorted by cheapest return flights first.

Deals found on 11/11

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

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

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

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

Currently, July is the cheapest month in which you can book a flight from Idaho (average of £465). Flying from Idaho in June will prove the most costly (average of £826). 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 USA

Book a direct flight from one of these other cities located in USA.
Direct flights from Boise
Direct flights from Idaho Falls

Related info for your journey

Access useful and relevant information related to your journey from Idaho. 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 13 November 2025.

  • What is the cheapest month to fly from Idaho?

    At the present moment the cheapest month to fly from Idaho 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 Idaho?

    Cheapflights helps you search for flights from Idaho 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 Idaho?

    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 Idaho.

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

    Certainly. Search results for flights from Idaho shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Of course! You can now track prices for flights from Idaho and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Idaho?

Cheapflights helps you search for flights from Idaho 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 Idaho?

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 Idaho.

Can Cheapflights find flights from Idaho with no change fees?

Certainly. Search results for flights from Idaho shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Idaho and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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