AirHint found the following cheapest return flights from Salt Lake City (SLC) to London (LHR) in October 2025 (see full year).

Return flights

01 Oct - 17 Oct	Spirit Airlines
01 Oct - 15 Oct	Spirit Airlines
05 Oct - 12 Oct	Spirit Airlines
21 Oct - 04 Nov	Frontier Airlines
24 Oct - 01 Nov	Frontier Airlines
03 Oct - 12 Oct	Frontier Airlines
02 Oct - 16 Oct	Spirit Airlines
04 Oct - 11 Oct	jetBlue
22 Oct - 05 Nov	jetBlue
04 Oct - 13 Oct	Spirit Airlines
07 Oct - 13 Oct	Air France
15 Oct - 21 Oct	Air France
23 Oct - 03 Nov	jetBlue
21 Oct - 04 Nov	Air France	direct
22 Oct - 05 Nov	Air France	direct
03 Oct - 12 Oct	Air France	direct
24 Oct - 01 Nov	Air France	direct

Also check the deals for one-way flights from Salt Lake City to London in October.

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 Salt Lake City to London in October from $630

Return flights