AirHint found the following cheapest one-way flights from Tallinn (TLL) to Oslo (OSL) in August 2025 (see full year).

One-Way flights

29 Aug	Norwegian Air Sweden AOC	direct
27 Aug	Norwegian Air Sweden AOC	direct
31 Aug	airBaltic	direct
20 Aug	Norwegian Air Sweden AOC	direct
22 Aug	Norwegian Air Sweden AOC	direct
06 Aug	airBaltic
19 Aug	airBaltic
11 Aug	airBaltic
12 Aug	airBaltic
18 Aug	airBaltic

Also check the deals for return flights from Tallinn to Oslo 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 one-way flights from Tallinn to Oslo in August from $57

One-Way flights