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£43+ 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 19/4. 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
15 Mar — 22 Mar1
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 13 February 2026.

Mon 9/308:25
BOI
-
LAS
Nonstop2h 07m
Alaska Airlines
Tue 17/319:29
LAS
-
BOI
Nonstop1h 55m
Alaska Airlines
Deal found 9/2£112
Mon 2/319:05
BOI
-
LAS
Nonstop1h 45m
Southwest
Mon 9/322:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 9/2£119
Fri 27/318:55
BOI
-
LAS
Nonstop1h 45m
Southwest
Fri 27/322:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 12/2£126
Tue 10/308:25
BOI
-
LAS
Nonstop2h 07m
Alaska Airlines
Tue 17/319:29
LAS
-
BOI
Nonstop1h 55m
Alaska Airlines
Deal found 9/2£137
Sat 2/506:05
BOI
-
LAS
Nonstop1h 45m
Southwest
Tue 5/521:40
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 13/2£140
Fri 27/318:55
BOI
-
LAS
Nonstop1h 45m
Southwest
Fri 3/422:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 10/2£145
Fri 3/407:20
BOI
-
LAS
Nonstop2h 05m
Alaska Airlines
Thu 9/420:11
LAS
-
BOI
Nonstop1h 53m
Alaska Airlines
Deal found 12/2£152
Fri 24/417:40
BOI
-
LAS
Nonstop1h 45m
Southwest
Mon 27/422:00
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 12/2£159
Tue 10/308:25
BOI
-
LAS
Nonstop2h 07m
Alaska Airlines
Wed 18/319:59
LAS
-
BOI
Nonstop1h 53m
Alaska Airlines
Deal found 9/2£163
Thu 2/418:55
BOI
-
LAS
Nonstop1h 45m
Southwest
Sun 5/422:40
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 13/2£166
Fri 6/306:00
BOI
-
LAS
Nonstop1h 50m
Southwest
Mon 9/322:35
LAS
-
BOI
Nonstop1h 45m
Southwest
Deal found 12/2£175

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 13 February 2026.

Fly to

Heathrow

Route

Depart

Return

Price

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 9/3

08:25-09:32

Nonstop2h 07m

Las Vegas Harry Reid Intl

Tue 17/3

19:29-22:24

Nonstop1h 55m

£112

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 2/3

19:05-19:50

Nonstop1h 45m

Las Vegas Harry Reid Intl

Mon 9/3

22:35-01:20

Nonstop1h 45m

£119

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 23/3

18:55-19:40

Nonstop1h 45m

Las Vegas Harry Reid Intl

Wed 25/3

21:05-23:50

Nonstop1h 45m

£119

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 20/4

07:20-08:25

Nonstop2h 05m

Las Vegas Harry Reid Intl

Wed 22/4

14:13-17:16

Nonstop2h 03m

£126

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 27/3

06:00-06:50

Nonstop1h 50m

Las Vegas Harry Reid Intl

Mon 30/3

22:35-01:20

Nonstop1h 45m

£126

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 27/3

18:55-19:40

Nonstop1h 45m

Las Vegas Harry Reid Intl

Fri 27/3

22:35-01:20

Nonstop1h 45m

£126

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 9/3

08:25-09:32

Nonstop2h 07m

Las Vegas Harry Reid Intl

Wed 18/3

19:59-22:52

Nonstop1h 53m

£137

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

£137

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 10/3

19:10-20:00

Nonstop1h 50m

Las Vegas Harry Reid Intl

Tue 17/3

21:05-23:50

Nonstop1h 45m

£140

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sat 2/5

06:05-06:50

Nonstop1h 45m

Las Vegas Harry Reid Intl

Tue 5/5

21:40-00:25

Nonstop1h 45m

£140

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 23 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.

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