Cheap flights from Denver to Reykjavik
Cheapest current fares: $355 in September 2026, 5,727 km direct flight in ~6h 44m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Denver (DEN) to Reykjavik (KEF). Refreshed daily.
Denver (DEN) → Reykjavik (KEF)
- September 2026 $355
Frequently asked questions
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What is the cheapest month to fly from Denver to Reykjavik?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Denver (DEN) to Reykjavik (KEF), with fares starting from $355.
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What is the lowest current fare from DEN to KEF?
The lowest currently-listed fare from Denver (DEN) to Reykjavik (KEF) is $355 on 2026-09-13.
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How long is the flight from Denver to Reykjavik?
Direct flights from DEN to KEF cover approximately 5,727 km (3,559 miles), with an estimated flight time of 6h 44m. Operating airlines: FI.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.