AirHint found the following cheapest return flights from Riga (RIX) to Lisbon (LIS) in July 2026 (see full year).

Return flights

28 Jul - 04 Aug	Norwegian Air Sweden AOC
20 Jul - 31 Jul	airBaltic	direct
20 Jul - 25 Jul	airBaltic
30 Jul - 02 Aug	airBaltic
04 Jul - 11 Jul	Ryanair
20 Jul - 20 Jul	airBaltic
20 Jul - 28 Jul	LOT
04 Jul - 13 Jul	airBaltic
27 Jul - 02 Aug	airBaltic
27 Jul - 27 Jul	airBaltic
30 Jul - 08 Aug	airBaltic
20 Jul - 24 Jul	airBaltic
20 Jul - 26 Jul	airBaltic
20 Jul - 24 Jul	airBaltic	direct
27 Jul - 01 Aug	airBaltic	direct

Also check the deals for one-way flights from Riga to Lisbon in July.

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 Riga to Lisbon in July from 243€

Return flights