Earn point on your loyalty program!arrow arc left

Cheap flights from London (LCY) to Boise (BOI)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from London (LCY) to Boise (BOI)

How to find the cheapest flight from London (LCY) to Boise (BOI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to Boise (BOI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to Boise (BOI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from London to Boise in November , December 2026

25 Nov - 09 Dec $ 1,295.00
LCY
London
Swiss International Air Lines
2 STOPS
BOI
Boise
BOI
Boise
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
25 Nov - 06 Dec $ 1,403.00
LCY
London
Swiss International Air Lines
2 STOPS
BOI
Boise
BOI
Boise
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
24 Nov - 03 Dec $ 1,408.00
LCY
London
Swiss International Air Lines
2 STOPS
BOI
Boise
BOI
Boise
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates

Last minute flights from London to Boise

25 Nov - 01 Dec $ 1,444.00
LCY
London
Swiss International Air Lines
2 STOPS
BOI
Boise
BOI
Boise
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
24 Nov - 01 Dec $ 1,448.00
LCY
London
Swiss International Air Lines
2 STOPS
BOI
Boise
BOI
Boise
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
20 Nov - 01 Dec $ 1,618.00
LCY
London
Swiss International Air Lines
2 STOPS
BOI
Boise
BOI
Boise
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates

One-way flights to Boise from London

9:50 AM - 9:31 PM
Alaska Airlines
3 Stops
45h 9m
LCY - BOI
$ 824
Kiwi
Pick dates
9:50 AM - 6:40 AM
Alaska Airlines
3 Stops
31h 6m
LCY - BOI
$ 1,039
Kiwi
Pick dates
9:15 AM - 6:40 AM
Alaska Airlines
3 Stops
31h 41m
LCY - BOI
$ 1,066
Kiwi
Pick dates

How to find the cheapest flight from London (LCY) to Boise (BOI)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to Boise (BOI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to Boise (BOI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.