AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Helsinki (HEL) in August 2025 (see full year).

Return flights

18 Aug - 28 Aug	Turkish Airlines
13 Aug - 20 Aug	Air Canada
12 Aug - 24 Aug	Turkish Airlines
11 Aug - 18 Aug	Lufthansa
08 Aug - 15 Aug	Lufthansa
07 Aug - 14 Aug	Lufthansa
10 Aug - 17 Aug	Air France
09 Aug - 16 Aug	Lufthansa
03 Aug - 10 Aug	Air France
07 Aug - 14 Aug	Iberia	direct

Also check the deals for one-way flights from Dallas-Fort Worth to Helsinki 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 Dallas-Fort Worth to Helsinki in August from 546€

Return flights