How does KAYAK find such low prices on flights from Colorado to Reykjavik?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Reykjavik.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Reykjavik?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reykjavik from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Colorado to Reykjavik?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reykjavik with an airline and back to Colorado with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Reykjavik?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reykjavik from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$378 CHEAP FLIGHTS from Colorado to Reykjavik (KEF)

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Flight Deals

Cheap Flights from Colorado to Keflavik Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Colorado to Keflavik Intl

Thu, Nov 5 - Thu, Nov 12

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$426Icelandair

Tue, Nov 3 - Tue, Nov 17

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$426Icelandair

Tue, Oct 27 - Tue, Nov 3

4:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$426Icelandair

Fri, Nov 6 - Tue, Nov 10

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$426Icelandair

Sun, Oct 18 - Thu, Oct 22

6:00 am - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

20h 50m1 stop Chicago O'Hare Intl

10:00 am - 8:17 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

16h 17m1 stop Toronto Pearson Intl

$469United Airlines

Sun, Oct 18 - Thu, Oct 22

6:00 am - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

20h 50m1 stop Chicago O'Hare Intl

10:00 am - 8:17 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

16h 17m1 stop Toronto Pearson Intl

$469Multiple Airlines

Sun, Nov 15 - Thu, Dec 10

7:45 am - 10:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

19h 15m1 stop Chicago O'Hare Intl

12:00 pm - 4:28 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

11h 28m1 stop Chicago O'Hare Intl

$471United Airlines

Sun, Nov 15 - Sat, Dec 12

7:45 am - 10:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

19h 15m1 stop Chicago O'Hare Intl

12:00 pm - 7:45 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

14h 45m1 stop Chicago O'Hare Intl

$471United Airlines

Sun, Oct 18 - Thu, Oct 22

4:17 pm - 8:45 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

10h 28m1 stop Toronto Pearson Intl

10:00 am - 8:47 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

28h 47m2 stops Toronto Pearson Intl Edmonton

$473Air Canada

Sun, Oct 18 - Thu, Oct 22

9:40 am - 8:45 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

17h 05m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

10:00 am - 8:47 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

28h 47m2 stops Toronto Pearson Intl Edmonton

$476Air Canada

Recent last minute flight deals from Colorado to Keflavik Intl

Sun, Sep 27 - Mon, Oct 26

6:05 pm - 8:45 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

32h 40m1 stop Toronto Pearson Intl

12:00 pm - 6:13 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

12h 13m1 stop Chicago O'Hare Intl

$703Multiple Airlines

Mon, Sep 28 - Wed, Oct 14

6:05 pm - 7:55 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

31h 50m2 stops Newark Montreal Pierre Elliott Trudeau Intl

9:15 am - 10:31 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

31h 16m1 stop Montreal Pierre Elliott Trudeau Intl

$706United Airlines

Mon, Sep 28 - Wed, Oct 14

9:40 am - 8:45 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

17h 05m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

9:15 am - 10:31 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

31h 16m1 stop Montreal Pierre Elliott Trudeau Intl

$756Air Canada

Mon, Sep 28 - Wed, Oct 14

6:05 pm - 7:55 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

31h 50m2 stops Newark Montreal Pierre Elliott Trudeau Intl

9:15 am - 6:39 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

27h 24m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$770United Airlines

Mon, Sep 28 - Wed, Oct 14

9:40 am - 8:45 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

17h 05m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

9:15 am - 6:39 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

27h 24m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$774Air Canada

Mon, Sep 28 - Wed, Oct 14

5:36 pm - 7:55 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

32h 19m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

9:15 am - 6:39 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

27h 24m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$776United Airlines

Thu, Oct 1 - Thu, Oct 15

5:40 pm - 11:30 pmDEN Denver Intl-KEF Reykjavik Keflavik Intl

23h 50m1 stop Frankfurt am Main

12:00 pm - 11:54 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

17h 54m1 stop Chicago O'Hare Intl

$790Lufthansa

Wed, Sep 30 - Mon, Dec 7

4:40 pm - 6:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 20mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$1,045Icelandair

Sat, Sep 26 - Thu, Oct 1

12:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

11h 25m1 stop Boston Logan Intl

4:50 pm - 7:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 10mnonstop

$1,125Icelandair

Sun, Sep 27 - Tue, Sep 29

4:40 pm - 6:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 20mnonstop

4:50 pm - 7:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 10mnonstop

$1,305Icelandair

Recent direct flight deals from Colorado to Keflavik Intl

Fri, Nov 6 - Tue, Nov 10

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$426Icelandair

Mon, Dec 7 - Mon, Dec 14

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$426Icelandair

Thu, Nov 5 - Thu, Nov 12

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$426Icelandair

Tue, Nov 3 - Tue, Nov 17

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$426Icelandair

Tue, Oct 27 - Tue, Nov 3

4:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$426Icelandair

Fri, Nov 6 - Mon, Nov 16

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$557Icelandair

Wed, Dec 9 - Mon, Dec 14

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$558Icelandair

Wed, Feb 10 - Tue, Feb 16

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$559Icelandair

Wed, Feb 17 - Tue, Feb 23

3:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$562Icelandair

Thu, Oct 29 - Mon, Nov 2

4:40 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 25mnonstop

4:55 pm - 6:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$562Icelandair

Useful Info

Low season	February
High season	July
Cheapest flight	$378

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 13% increase in price.

Flight from Denver to Reykjavik

How does KAYAK find such low prices on flights from Colorado to Reykjavik?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Reykjavik.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Reykjavik?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reykjavik from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Colorado to Reykjavik?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reykjavik with an airline and back to Colorado with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Reykjavik?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reykjavik from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.