AirHint found the following cheapest return flights from Salt Lake City (SLC) to London (LGW) in March 2026 (see full year).

Return flights

31 Mar - 06 Apr	Frontier Airlines
07 Mar - 14 Mar	Alaska Airlines
07 Mar - 22 Mar	Frontier Airlines
23 Mar - 27 Mar	Frontier Airlines
18 Mar - 28 Mar	Frontier Airlines
24 Mar - 28 Mar	Frontier Airlines
26 Mar - 04 Apr	Icelandair
31 Mar - 01 Apr	British Airways

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

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 March from $667

Return flights