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£43+ 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 9/3. 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
9 Mar — 16 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Boise

Discover essential information about flights departing from Boise, including flight schedules, destinations, airlines operating at the Boise airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 7 February 2026.

Good one-way deal

£85 or less
Price to beat on a one-way flight from Boise Air Term. Gowen Fld.
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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 7 February 2026.

Sat 7/313:51
BOI
-
LAS
1 stop7h 40m
Delta
Wed 11/313:59
LAS
-
BOI
1 stop6h 36m
Delta
Deal found 6/2£108
Mon 9/306:00
BOI
-
LAS
Nonstop1h 50m
Southwest
Wed 11/321:05
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 6/2£112
Mon 2/318:00
BOI
-
LAS
1 stop5h 56m
Alaska Airlines
Wed 4/318:20
LAS
-
BOI
1 stop4h 39m
Alaska Airlines
Deal found 4/2£115
Mon 23/314:15
BOI
-
LAS
1 stop5h 30m
Southwest
Fri 27/322:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 7/2£119
Sun 1/308:25
BOI
-
LAS
Nonstop2h 07m
Alaska Airlines
Thu 5/315:27
LAS
-
BOI
1 stop7h 03m
Alaska Airlines
Deal found 4/2£123
Sun 29/307:30
BOI
-
LAS
1 stop6h 17m
Delta
Wed 1/416:05
LAS
-
BOI
1 stop4h 59m
Delta
Deal found 5/2£123
Fri 27/318:55
BOI
-
LAS
Nonstop1h 45m
Southwest
Mon 30/322:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 7/2£126
Mon 2/319:25
BOI
-
LAS
1 stop3h 30m
Southwest
Sat 7/305:35
LAS
-
BOI
1 stop4h 45m
Southwest
Deal found 4/2£130
Thu 26/308:00
BOI
-
LAS
1 stop5h 07m
Delta
Mon 30/319:05
LAS
-
BOI
1 stop3h 54m
Delta
Deal found 7/2£131
Thu 2/418:55
BOI
-
LAS
Nonstop1h 45m
Southwest
Tue 7/416:05
LAS
-
BOI
Nonstop1h 55m
Southwest
Deal found 6/2£133
Fri 1/519:55
BOI
-
LAS
1 stop4h 10m
Southwest
Mon 4/522:00
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 5/2£134
Sun 1/306:28
BOI
-
LAS
1 stop5h 37m
Alaska Airlines
Wed 4/316:09
LAS
-
BOI
1 stop5h 31m
Alaska Airlines
Deal found 4/2£137

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 7 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sat 7/3

19:50-20:35

Nonstop1h 45m

Las Vegas Harry Reid Intl

Wed 11/3

21:05-23:50

Nonstop1h 45m

£108

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 15/4

16:55-20:59

1 stop5h 04m

Las Vegas Harry Reid Intl

Sat 18/4

06:00-13:11

1 stop6h 11m

£108

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sun 26/4

06:00-06:45

Nonstop1h 45m

Las Vegas Harry Reid Intl

Fri 1/5

16:20-19:15

Nonstop1h 55m

£119

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sun 29/3

05:50-06:40

Nonstop1h 50m

Las Vegas Harry Reid Intl

Thu 2/4

05:55-11:45

1 stop4h 50m

£119

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sun 29/3

07:30-12:47

1 stop6h 17m

Las Vegas Harry Reid Intl

Wed 1/4

16:05-22:04

1 stop4h 59m

£123

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 3/4

18:15-23:55

1 stop6h 40m

Las Vegas Harry Reid Intl

Sun 5/4

06:00-13:05

1 stop6h 05m

£123

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 10/3

18:00-22:56

1 stop5h 56m

Las Vegas Harry Reid Intl

Wed 11/3

19:29-22:34

Nonstop2h 05m

£126

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sat 28/2

15:30-16:15

Nonstop1h 45m

Las Vegas Harry Reid Intl

Wed 4/3

09:35-12:25

Nonstop1h 50m

£126

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sat 7/3

18:35-22:24

1 stop4h 49m

Las Vegas Harry Reid Intl

Thu 12/3

13:55-21:00

1 stop6h 05m

£131

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 16/4

15:44-22:41

1 stop7h 57m

Las Vegas Harry Reid Intl

Sun 19/4

06:00-13:11

1 stop6h 11m

£131

Flights are sorted by cheapest return flights first.

Deals found on 7/2

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 30 January 2026.

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, October is the cheapest month in which you can book a flight from Boise (average of £457). Flying from Boise in June will prove the most costly (average of £797). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Boise?

If you’re flying from Boise, these routes are more frequently taken by airlines Seattle (328 flights per day), Los Angeles (146 flights per day) and San Francisco (113 flights per day).

Denver Intl
Denver Intl
From £85

What is the cheapest place to fly to from Boise?

The cheapest city to fly to from Boise is Denver Intl, with prices starting at £85. Explore other affordable destinations below.

Denver Intl
Denver Intl
From £85

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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 7 February 2026.

  • What are the most popular destinations to fly to from Boise?

    This month, the top selected destinations from Boise are Denver, Cancún, Fort Lauderdale. 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 flight from Boise to anywhere?

    Users have flown out of Boise for as low as £85 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for £85 to fly 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 £676 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 October; 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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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!

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