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

Return flights

03 Dec - 12 Dec	Lufthansa
03 Dec - 10 Dec	Delta
04 Dec - 11 Dec	Delta
29 Dec - 13 Jan	Spirit Airlines
29 Dec - 13 Jan	Finnair	direct
03 Dec - 12 Dec	Finnair	direct
04 Dec - 11 Dec	Finnair	direct
26 Dec - 06 Jan	Finnair
25 Dec - 29 Dec	American Airlines
21 Dec - 28 Dec	Finnair	direct
20 Dec - 30 Dec	Finnair	direct
23 Dec - 04 Jan	Finnair	direct
26 Dec - 06 Jan	Finnair	direct
25 Dec - 29 Dec	Finnair	direct
27 Dec - 28 Dec	Spirit Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to Helsinki in December.

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 December from $647

Return flights