Cheapest return flights from Seattle to Salt Lake City in October from $141

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

Return flights

02 Oct - 06 Oct Frontier Airlines
05 Oct - 09 Oct Frontier Airlines
13 Oct - 17 Oct Frontier Airlines
20 Oct - 24 Oct Frontier Airlines
23 Oct - 27 Oct Frontier Airlines
27 Oct - 31 Oct Frontier Airlines
30 Oct - 03 Nov Frontier Airlines
12 Oct - 16 Oct Frontier Airlines
26 Oct - 30 Oct Frontier Airlines
04 Oct - 08 Oct Frontier Airlines
19 Oct - 23 Oct Frontier Airlines
29 Oct - 02 Nov Frontier Airlines
31 Oct - 04 Nov Frontier Airlines
28 Oct - 01 Nov Frontier Airlines
30 Oct - 03 Nov Alaska Airlines direct
28 Oct - 01 Nov Alaska Airlines direct
29 Oct - 02 Nov Delta direct
31 Oct - 04 Nov Alaska Airlines direct

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

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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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