£75+ 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 6/1. 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
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flights from Boise

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 27 November 2025.

Thu 8/107:25BOI - BWI
2 stops14h 01mDelta
Sat 10/116:45BWI - BOI
2 stops19h 12mDelta
Deal found 25/11£209
Sat 10/115:01BOI - JFK
1 stop6h 44mDelta
Sat 17/107:50JFK - BOI
1 stop8h 12mDelta
Deal found 26/11£219
Sat 10/115:01BOI - LGA
1 stop6h 38mDelta
Sat 17/106:00LGA - BOI
1 stop8h 32mDelta
Deal found 26/11£219
Sat 13/1211:10BOI - LGA
2 stops9h 57mDelta
Tue 16/1206:00LGA - BOI
2 stops10h 18mDelta
Deal found 26/11£226
Sun 18/113:41BOI - LGA
1 stop7h 00mDelta
Wed 21/106:00LGA - BOI
1 stop9h 34mDelta
Deal found 26/11£230
Sat 21/215:01BOI - BWI
1 stop6h 11mDelta
Sat 28/206:00BWI - BOI
1 stop8h 28mDelta
Deal found 25/11£233
Fri 16/106:23BOI - JFK
1 stop11h 05mAlaska Airlines
Wed 21/116:22JFK - BOI
1 stop8h 39mAlaska Airlines
Deal found 25/11£241
Sat 21/208:50BOI - BWI
2 stops12h 22mDelta
Thu 26/214:58BWI - BOI
2 stops10h 47mDelta
Deal found 25/11£241
Fri 16/115:01BOI - LGA
1 stop6h 38mDelta
Wed 21/106:00LGA - BOI
1 stop9h 34mDelta
Deal found 25/11£242
Sun 25/109:15BOI - BWI
2 stops11h 50mDelta
Thu 5/215:00BWI - BOI
1 stop7h 55mDelta
Deal found 24/11£243
Thu 19/212:51BOI - BWI
1 stop8h 53mDelta
Sat 28/206:00BWI - BOI
1 stop8h 28mDelta
Deal found 25/11£244
Sat 10/111:35BOI - JFK
1 stop25h 48mAlaska Airlines
Sat 17/118:57JFK - BOI
2 stops19h 54mAlaska Airlines
Deal found 26/11£245

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 27 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 8/1

09:15-23:26

2 stops12h 11m

Baltimore/Washington

Sat 10/1

08:45-20:12

2 stops13h 27m

£209

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sun 25/1

09:15-23:05

2 stops11h 50m

Baltimore/Washington

Thu 5/2

15:00-23:59

2 stops10h 59m

£209

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Wed 7/1

17:15-06:13

1 stop10h 58m

New York John F Kennedy Intl

Sat 10/1

16:15-23:12

1 stop8h 57m

£219

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Sat 10/1

15:01-23:45

1 stop6h 44m

New York John F Kennedy Intl

Sat 17/1

07:50-14:02

1 stop8h 12m

£219

BoiseNew York

BOI - JFK

BOIJFK

Boise Air Term. Gowen Fld

Tue 6/1

13:41-00:50

1 stop9h 09m

New York John F Kennedy Intl

Sat 10/1

05:59-12:32

1 stop8h 33m

£219

BoiseNew York

BOI - LGA

BOILGA

Boise Air Term. Gowen Fld

Sat 10/1

15:01-23:39

1 stop6h 38m

New York LaGuardia

Sat 17/1

06:00-12:32

1 stop8h 32m

£219

BoiseNew York

BOI - LGA

BOILGA

Boise Air Term. Gowen Fld

Wed 7/1

13:41-23:42

1 stop8h 01m

New York LaGuardia

Sat 10/1

06:00-14:02

2 stops10h 02m

£223

BoiseNew York

BOI - LGA

BOILGA

Boise Air Term. Gowen Fld

Sat 13/12

15:13-23:40

1 stop6h 27m

New York LaGuardia

Tue 16/12

06:00-14:18

2 stops10h 18m

£223

BoiseNew York

BOI - LGA

BOILGA

Boise Air Term. Gowen Fld

Sun 18/1

13:41-22:41

1 stop7h 00m

New York LaGuardia

Wed 21/1

06:00-13:34

1 stop9h 34m

£230

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 21/2

15:01-23:12

1 stop6h 11m

Baltimore/Washington

Sat 28/2

06:05-16:15

2 stops12h 10m

£236

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 60 results
1
2
3
...
6

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 21 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 £463). Flying from Boise in June will prove the most costly (average of £822). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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.

Direct flights from Idaho

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

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 27 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 £698 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!

See more FAQs

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 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!

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.