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

Return flights

02 Dec - 16 Dec	Lufthansa
02 Dec - 17 Dec	Lufthansa
02 Dec - 24 Dec	Lufthansa
03 Dec - 11 Dec	British Airways
03 Dec - 10 Dec	British Airways
31 Dec - 28 Jan	British Airways
30 Dec - 24 Jan	Lufthansa
24 Dec - 14 Jan	KLM
01 Dec - 12 Dec	Lufthansa
03 Dec - 24 Dec	British Airways
03 Dec - 17 Dec	Austrian Airlines
09 Dec - 15 Dec	KLM
02 Dec - 23 Dec	Air France
23 Dec - 13 Jan	British Airways
09 Dec - 05 Jan	Air France
10 Dec - 06 Jan	Frontier Airlines
23 Dec - 12 Jan	British Airways
10 Dec - 05 Jan	Frontier Airlines
17 Dec - 10 Jan	Spirit Airlines
07 Dec - 01 Jan	Air France

Also check the deals for one-way flights from Dallas-Fort Worth to Basel 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 Basel in December from 364€

Return flights