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

Return flights

24 Mar - 31 Mar	Frontier Airlines
02 Mar - 09 Mar	Frontier Airlines
04 Mar - 07 Mar	Alaska Airlines
17 Mar - 23 Mar	Delta
06 Mar - 11 Mar	KLM
08 Mar - 12 Mar	Hawaiian Airlines
12 Mar - 22 Mar	Hawaiian Airlines
18 Mar - 24 Mar	Air France	direct
17 Mar - 26 Mar	KLM	direct
11 Mar - 21 Mar	Air France	direct
27 Mar - 05 Apr	Delta

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Salt Lake City to London in March from 553€

Return flights