Cheapest return flights from Dallas-Fort Worth to Keflavik in July from $544

Best time to book flights for Dallas-Fort Worth (DFW) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in July 2025 (see full year).

Return flights

08 Jul - 15 Jul Spirit Airlines
05 Jul - 13 Jul Spirit Airlines
09 Jul - 16 Jul Spirit Airlines
11 Jul - 18 Jul Spirit Airlines
14 Jul - 21 Jul Spirit Airlines
16 Jul - 23 Jul Spirit Airlines
04 Jul - 11 Jul Frontier Airlines
10 Jul - 17 Jul Spirit Airlines
31 Jul - 07 Aug Spirit Airlines
17 Jul - 24 Jul Spirit Airlines
13 Jul - 20 Jul Spirit Airlines

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

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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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