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£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 8/4. 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
21 Feb — 28 Feb1
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 22 January 2026.

Mon 30/307:20
BOI
-
LAS
Nonstop2h 05m
Alaska Airlines
Thu 2/419:59
LAS
-
BOI
Nonstop1h 53m
Alaska Airlines
Deal found 20/1£102
Tue 3/306:05
BOI
-
LAS
Nonstop1h 55m
Southwest
Sat 7/322:40
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 20/1£113
Thu 26/307:20
BOI
-
LAS
Nonstop2h 05m
Alaska Airlines
Tue 31/319:59
LAS
-
BOI
Nonstop1h 53m
Alaska Airlines
Deal found 20/1£121
Fri 27/307:20
BOI
-
LAS
Nonstop2h 05m
Alaska Airlines
Fri 3/419:59
LAS
-
BOI
Nonstop1h 53m
Alaska Airlines
Deal found 20/1£128
Wed 18/211:50
BOI
-
LAS
Nonstop1h 50m
Southwest
Wed 25/209:35
LAS
-
BOI
Nonstop1h 50m
Southwest
Deal found 21/1£135
Sat 21/206:20
BOI
-
LAS
Nonstop1h 55m
Southwest
Tue 24/219:45
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 20/1£139
Tue 10/308:25
BOI
-
LAS
Nonstop2h 07m
Alaska Airlines
Tue 17/319:29
LAS
-
BOI
Nonstop1h 55m
Alaska Airlines
Deal found 20/1£143
Mon 23/306:00
BOI
-
LAS
Nonstop1h 50m
Southwest
Tue 24/321:05
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 21/1£147
Tue 24/307:20
BOI
-
LAS
Nonstop2h 05m
Alaska Airlines
Thu 2/419:59
LAS
-
BOI
Nonstop1h 53m
Alaska Airlines
Deal found 20/1£150
Fri 3/418:55
BOI
-
LAS
Nonstop1h 45m
Southwest
Mon 6/407:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 19/1£154
Thu 5/311:10
BOI
-
LAS
Nonstop1h 50m
Southwest
Mon 9/322:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 21/1£156
Mon 2/211:50
BOI
-
LAS
Nonstop1h 50m
Southwest
Tue 10/219:45
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 20/1£158

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 22 January 2026.

Fly to

Heathrow

Route

Depart

Return

Price

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 27/2

18:35-19:20

Nonstop1h 45m

Las Vegas Harry Reid Intl

Mon 2/3

20:50-23:40

Nonstop1h 50m

£102

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 13/4

07:20-08:25

Nonstop2h 05m

Las Vegas Harry Reid Intl

Thu 16/4

20:11-23:04

Nonstop1h 53m

£102

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 13/4

07:20-08:25

Nonstop2h 05m

Las Vegas Harry Reid Intl

Fri 17/4

19:59-22:52

Nonstop1h 53m

£102

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 3/3

06:05-07:00

Nonstop1h 55m

Las Vegas Harry Reid Intl

Sat 7/3

22:40-01:25

Nonstop1h 45m

£113

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 26/2

06:00-06:55

Nonstop1h 55m

Las Vegas Harry Reid Intl

Tue 3/3

19:45-22:30

Nonstop1h 45m

£121

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 14/4

07:20-08:25

Nonstop2h 05m

Las Vegas Harry Reid Intl

Mon 20/4

20:11-23:04

Nonstop1h 53m

£121

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sat 11/4

06:05-06:50

Nonstop1h 45m

Las Vegas Harry Reid Intl

Mon 13/4

22:00-00:45

Nonstop1h 45m

£121

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 27/2

18:35-19:20

Nonstop1h 45m

Las Vegas Harry Reid Intl

Fri 6/3

22:35-01:20

Nonstop1h 45m

£128

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sat 4/4

11:10-12:00

Nonstop1h 50m

Las Vegas Harry Reid Intl

Tue 7/4

21:40-00:25

Nonstop1h 45m

£139

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 10/3

08:25-09:32

Nonstop2h 07m

Las Vegas Harry Reid Intl

Tue 17/3

19:29-22:24

Nonstop1h 55m

£143

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 21 results
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Best time to book a flight from Boise

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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.

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