AirHint found the following cheapest return flights from Southend (SEN) to Riga (RIX) in August 2025 (see full year).

Return flights

29 Aug - 05 Sep	easyJet
11 Aug - 04 Sep	easyJet
18 Aug - 28 Aug	easyJet
18 Aug - 21 Aug	easyJet
25 Aug - 29 Aug	easyJet
18 Aug - 29 Aug	easyJet
29 Aug - 07 Sep	easyJet
21 Aug - 28 Aug	easyJet
28 Aug - 10 Sep	easyJet
22 Aug - 27 Aug	easyJet
22 Aug - 29 Aug	easyJet
14 Aug - 18 Aug	easyJet
07 Aug - 13 Aug	easyJet
29 Aug - 01 Sep	easyJet
11 Aug - 18 Aug	easyJet
25 Aug - 01 Sep	easyJet
28 Aug - 01 Sep	easyJet

Also check the deals for one-way flights from Southend to Riga in August.

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 Southend to Riga in August from $393

Return flights