AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in July 2026 (see full year).

Return flights

24 Jul - 31 Jul	Alaska Airlines
17 Jul - 24 Jul	Alaska Airlines
15 Jul - 22 Jul	Alaska Airlines
16 Jul - 23 Jul	jetBlue
08 Jul - 15 Jul	Alaska Airlines
26 Jul - 02 Aug	jetBlue
07 Jul - 14 Jul	Alaska Airlines
10 Jul - 17 Jul	Alaska Airlines
14 Jul - 21 Jul	Alaska Airlines
11 Jul - 18 Jul	jetBlue
13 Jul - 20 Jul	jetBlue
25 Jul - 01 Aug	Alaska Airlines
23 Jul - 06 Aug	Air Canada

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

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 Keflavik in July from 776€

Return flights