Find flights
Deals

£44+ Direct 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 21/4. 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
25 Mar — 1 Apr1
1 adult
1 adult, Economy, 0 bags

Direct 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 23 February 2026.

Wed 18/307:20
BOI
-
LAS
Nonstop2h 05m
Alaska Airlines
Wed 18/319:59
LAS
-
BOI
Nonstop1h 53m
Alaska Airlines
Deal found 23/2£113
Sun 26/406:00
BOI
-
LAS
Nonstop1h 45m
Southwest
Wed 29/421:40
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 23/2£120
Fri 3/406:00
BOI
-
LAS
Nonstop1h 50m
Southwest
Sun 5/422:40
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 20/2£128
Tue 24/305:40
BOI
-
LAS
Nonstop1h 50m
Southwest
Tue 31/321:05
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 22/2£139
Fri 27/318:55
BOI
-
LAS
Nonstop1h 45m
Southwest
Mon 30/322:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 22/2£146
Tue 19/517:15
BOI
-
LAS
Nonstop1h 45m
Southwest
Tue 26/521:40
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 21/2£149
Fri 17/417:40
BOI
-
LAS
Nonstop1h 45m
Southwest
Mon 20/422:00
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 22/2£154
Tue 10/308:25
BOI
-
LAS
Nonstop2h 07m
Alaska Airlines
Tue 17/319:29
LAS
-
BOI
Nonstop1h 55m
Alaska Airlines
Deal found 22/2£157
Tue 10/305:40
BOI
-
LAS
Nonstop1h 50m
Southwest
Mon 16/322:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 21/2£165
Mon 20/407:20
BOI
-
LAS
Nonstop2h 05m
Alaska Airlines
Thu 23/414:13
LAS
-
BOI
Nonstop2h 03m
Alaska Airlines
Deal found 22/2£168
Wed 25/319:10
BOI
-
LAS
Nonstop1h 50m
Southwest
Sat 28/322:40
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 21/2£169
Sun 22/305:50
BOI
-
LAS
Nonstop1h 50m
Southwest
Wed 25/321:05
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 22/2£176

Find direct flights from Boise within your budget

 
Use the slider to find direct flights from Boise within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches. This data was last updated on 23 February 2026.

Fly to

Heathrow

Route

Depart

Return

Price

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sun 22/3

05:50-06:40

Nonstop1h 50m

Las Vegas Harry Reid Intl

Wed 25/3

21:05-23:50

Nonstop1h 45m

£176

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 19/3

18:55-19:40

Nonstop1h 45m

Las Vegas Harry Reid Intl

Thu 26/3

22:35-01:20

Nonstop1h 45m

£179

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 6/3

08:25-09:32

Nonstop2h 07m

Las Vegas Harry Reid Intl

Thu 26/3

19:59-22:52

Nonstop1h 53m

£191

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 23/6

06:00-06:45

Nonstop1h 45m

Las Vegas Harry Reid Intl

Fri 26/6

22:25-01:05

Nonstop1h 40m

£191

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 10/4

17:40-18:25

Nonstop1h 45m

Las Vegas Harry Reid Intl

Mon 13/4

22:00-00:45

Nonstop1h 45m

£216

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 16/4

06:00-06:45

Nonstop1h 45m

Las Vegas Harry Reid Intl

Sat 18/4

20:05-22:50

Nonstop1h 45m

£217

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 16/4

06:00-06:45

Nonstop1h 45m

Las Vegas Harry Reid Intl

Sun 19/4

22:40-01:25

Nonstop1h 45m

£217

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 19/6

19:40-20:25

Nonstop1h 45m

Las Vegas Harry Reid Intl

Mon 22/6

22:25-01:05

Nonstop1h 40m

£224

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 18/6

13:30-14:32

Nonstop2h 02m

Las Vegas Harry Reid Intl

Mon 22/6

16:12-19:10

Nonstop1h 58m

£234

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 6/8

06:00-06:45

Nonstop1h 45m

Las Vegas Harry Reid Intl

Sun 9/8

08:00-10:50

Nonstop1h 50m

£245

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 21 results
1
2
3

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.

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 cities

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

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.