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Cheapest one-way flights from Denver (DEN) to Keflavik (KEF), August

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Dates, airline, and price
Dates	Airline	Price
19 Aug	WestJet
18 Aug	WestJet
12 Aug	WestJet
02 Aug	WestJet
19 Aug	Icelandair Direct Flight
12 Aug	Icelandair Direct Flight
18 Aug	Icelandair Direct Flight
09 Aug	Frontier Airlines
01 Aug	Frontier Airlines
02 Aug	Icelandair Direct Flight

deals for return flights from Denver to Keflavik in August.

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Updated Jul 20, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Denver (DEN) to Keflavik (KEF), August

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