AirHint found the following cheapest return flights from London (LTN) to Riga (RIX) in September 2025 (see full year).

Return flights

17 Sep - 20 Sep	Wizz Air
17 Sep - 24 Sep	Wizz Air
08 Sep - 22 Sep	Wizz Air
24 Sep - 29 Sep	Wizz Air
18 Sep - 20 Sep	Wizz Air
16 Sep - 20 Sep	Wizz Air
15 Sep - 19 Sep	Wizz Air
01 Sep - 09 Sep	Wizz Air
10 Sep - 24 Sep	Wizz Air
29 Sep - 01 Oct	Wizz Air
29 Sep - 08 Oct	Wizz Air
24 Sep - 01 Oct	Wizz Air
16 Sep - 19 Sep	Wizz Air
25 Sep - 03 Oct	Wizz Air
29 Sep - 02 Oct	Wizz Air
26 Sep - 02 Oct	Wizz Air
29 Sep - 06 Oct	Ryanair

Also check the deals for one-way flights from London to Riga in September.

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 Riga

Cheap car rent in Riga

Cheapest return flights from London to Riga in September from 93€

Return flights