AirHint found the following cheapest return flights from Dallas (DAL) to Keflavik (KEF) in November 2025 (see full year).

Return flights

08 Nov - 15 Nov	Southwest Airlines
01 Nov - 08 Nov	Southwest Airlines
07 Nov - 14 Nov	Southwest Airlines
14 Nov - 21 Nov	Southwest Airlines
15 Nov - 22 Nov	Southwest Airlines
28 Nov - 05 Dec	Southwest Airlines
29 Nov - 06 Dec	Southwest Airlines
21 Nov - 28 Nov	Southwest Airlines

Also check the deals for one-way flights from Dallas to Keflavik in November.

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 to Keflavik in November from $875

Return flights