AirHint found the following cheapest return flights from Boise (BOI) to London (LHR) in February 2026 (see full year).

Return flights

15 Feb - 22 Feb	Finnair
02 Feb - 09 Feb	Hawaiian Airlines
19 Feb - 21 Feb	Hawaiian Airlines
12 Feb - 14 Feb	Hawaiian Airlines
20 Feb - 21 Feb	Hawaiian Airlines
12 Feb - 13 Feb	Frontier Airlines

Also check the deals for one-way flights from Boise to London in February.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Boise to London in February from $859

Return flights