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

Return flights

27 Jul - 03 Aug	airBaltic	direct
31 Jul - 03 Aug	Finnair
25 Jul - 31 Jul	airBaltic	direct
02 Jul - 09 Jul	Norwegian Air Sweden AOC
22 Jul - 25 Jul	Lufthansa
26 Jul - 03 Aug	Ryanair
28 Jul - 03 Aug	TAP
03 Jul - 10 Jul	airBaltic	direct
24 Jul - 27 Jul	Lufthansa
24 Jul - 26 Jul	Vueling Airlines
31 Jul - 03 Aug	airBaltic	direct
24 Jul - 27 Jul	airBaltic	direct

Also check the deals for one-way flights from Lisbon to Riga 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 Lisbon to Riga in July from 229€

Return flights