Cheapest return flights from Denver (DEN) to Keflavik (KEF), July

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
19 Jul 27 Jul KLM
21 Jul 28 Jul Air Canada
30 Jul 04 Aug Air Canada
27 Jul 04 Aug Air Canada
09 Jul 13 Jul Air Canada
06 Jul 10 Jul Air Canada
06 Jul 13 Jul Air Canada
09 Jul 16 Jul Air Canada
10 Jul 14 Jul Air Canada
16 Jul 20 Jul Air Canada
11 Jul 28 Jul Air Canada
14 Jul 21 Jul Air Canada
30 Jul 04 Aug Icelandair
Direct Flight
27 Jul 04 Aug Icelandair
Direct Flight
31 Jul 09 Aug Frontier Airlines
31 Jul 09 Aug Icelandair
Direct Flight
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Updated Jul 5, 2026.

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