Denver (DEN) to Reykjavik (KEF) flight prices

A quick snapshot of Denver (DEN) to Reykjavik (KEF) fares — lowest and typical prices plus the cheapest months and weekdays to fly, the airlines on the route and the usual duration for travel from United States to Iceland.

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Estimated median price for a one-way ticket

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Price graph and price trends for Denver International-Keflavík International Airport

Weekly price trend

May

Jun

Jul

Week

26

USD 316–336

USD 337–357

USD 358–378

USD 379–399

USD 400–421

Monthly price summary

MayBest price

JuneMost expensive

July

Ticket prices for Denver to Reykjavik (May 2026 - July 2026) are shown here with weekly or monthly averages to indicate cheaper and more expensive periods.

Source: Flightprices.com & Kayak.com
Forecast updated: September 17, 2025.

Flight information

DEN → KEF

Flight frequency

14 flights/week

Type

Direct flight

Duration

7 hours 23 minutes

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Airlines with non-stop flights on this route:

Icelandair

FAQ – Denver (DEN) → Reykjavik (KEF)

Are there any low-cost airlines with flights from Denver (DEN) to Reykjavik (KEF)?

No dedicated low-cost airlines fly directly between Denver and Reykjavik. Instead, full-service carriers such as Icelandair operate this route.

Is roundtrip cheaper than two one-way tickets for DEN-KEF?

Usually yes, but not always. Check both options — you can easily switch between them in our widget.

How far in advance should I book to get the best price?

For domestic routes like DEN-KEF, good deals often appear a few weeks out. Watch for sales and avoid peak dates.

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Denver (DEN)

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Reykjavik (KEF)

Roundtrip One way

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Return

Adults

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Children (3–11)

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Youth (12–17)

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Infants (0–2)

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Class

Economy Premium Business First

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