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 July , August 2026

31 Jul - 06 Aug $ 1,882.00
LCY
London
KLM Royal Dutch Airlines
2 STOPS
BOI
Boise
BOI
Boise
KLM Royal Dutch Airlines
2 STOPS
LCY
London
Pick dates
31 Jul - 10 Aug $ 1,918.00
LCY
London
KLM Royal Dutch Airlines
2 STOPS
BOI
Boise
BOI
Boise
KLM Royal Dutch Airlines
2 STOPS
LCY
London
Pick dates
28 Jul - 30 Aug $ 1,952.00
LCY
London
Virgin Atlantic Airways
2 STOPS
BOI
Boise
BOI
Boise
Virgin Atlantic Airways
2 STOPS
LCY
London
Pick dates

Last minute flights from London to Boise

27 Jul - 02 Aug $ 2,175.00
LCY
London
Swiss International Air Lines
2 STOPS
BOI
Boise
BOI
Boise
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
27 Jul - 02 Aug $ 2,287.00
LCY
London
Swiss International Air Lines
2 STOPS
BOI
Boise
BOI
Boise
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
25 Jul - 02 Aug $ 2,354.00
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

7:15 PM - 7:07 AM
Alaska Airlines
3 Stops
45h 25m
LCY - BOI
$ 1,337
Kiwi
Pick dates
7:15 PM - 9:31 PM
Alaska Airlines
3 Stops
35h 49m
LCY - BOI
$ 1,428
Kiwi
Pick dates
7:15 PM - 3:45 PM
Hawaiian Airlines
3 Stops
29h 56m
LCY - BOI
$ 1,479
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.