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.

$347 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, Oct 22 - Thu, Oct 29

9:40 am - 7:55 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

16h 15m1 stop Montreal Pierre Elliott Trudeau Intl

12:00 pm - 10:44 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

16h 44m1 stop Chicago O'Hare Intl

$541United Airlines

Fri, Oct 23 - Thu, Oct 29

3:48 pm - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

11h 02m1 stop Chicago O'Hare Intl

12:00 pm - 10:44 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

16h 44m1 stop Chicago O'Hare Intl

$542United Airlines

Wed, Oct 28 - Mon, Nov 2

1:25 pm - 10:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

14h 35m1 stop Chicago O'Hare Intl

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

14h 45m1 stop Chicago O'Hare Intl

$542United Airlines

Sun, Nov 15 - Mon, Nov 23

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

$542United Airlines

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

$562Icelandair

Sun, Jan 10 - Tue, Jan 19

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

Sun, Nov 15 - Sun, Nov 22

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

Fri, Nov 27 - Sat, Dec 5

11:15 am - 10:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

15h 45m1 stop Chicago O'Hare Intl

12:00 pm - 6:17 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

13h 17m1 stop Chicago O'Hare Intl

$592Brussels Airlines

Sun, Nov 29 - Mon, Dec 7

6:00 am - 10:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

21h 00m1 stop Chicago O'Hare Intl

12:00 pm - 11:14 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

18h 14m1 stop Chicago O'Hare Intl

$598Multiple Airlines

Sun, Nov 29 - Mon, Dec 7

6:00 am - 10:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

21h 00m1 stop Chicago O'Hare Intl

12:00 pm - 8:10 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

27h 10m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

$603Multiple Airlines

Recent last minute flight deals from Colorado to Keflavik Intl

Thu, Oct 15 - Thu, Oct 22

7:10 pm - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

31h 40m1 stop Chicago O'Hare Intl

10:00 am - 10:27 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

30h 27m1 stop Toronto Pearson Intl

$528United Airlines

Thu, Oct 15 - Thu, Oct 22

8:34 pm - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

30h 16m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

10:00 am - 10:27 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

30h 27m1 stop Toronto Pearson Intl

$539United Airlines

Wed, Oct 14 - Thu, Oct 22

11:35 am - 8:45 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

15h 10m1 stop Toronto Pearson Intl

10:00 am - 12:23 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

32h 23m1 stop Toronto Pearson Intl

$543Air Canada

Wed, Oct 14 - Sat, Oct 24

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

10h 28m1 stop Toronto Pearson Intl

12:00 pm - 5:50 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

11h 50m1 stop Chicago O'Hare Intl

$545United Airlines

Wed, Oct 14 - Thu, Oct 22

11:35 am - 8:45 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

15h 10m1 stop Toronto Pearson Intl

10:00 am - 10:31 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

30h 31m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$546Air Canada

Sat, Oct 10 - Mon, Oct 19

11:52 pm - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

26h 58m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

12:00 pm - 11:12 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

29h 12m3 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl Houston George Bush Intcntl

$547United Airlines

Wed, Oct 14 - Thu, Oct 22

11:25 am - 8:45 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

15h 20m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

10:00 am - 10:31 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

30h 31m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$550Air Canada

Mon, Oct 12 - Wed, Oct 21

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

7h 20mnonstop

5:10 pm - 11:42 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

24h 32m1 stop Boston Logan Intl

$1,055Icelandair

Sun, Oct 11 - Wed, Oct 21

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

7h 20mnonstop

7:55 pm - 11:42 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

21h 47m1 stop Boston Logan Intl

$1,131Icelandair

Thu, Oct 15 - Thu, Oct 22

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

$1,171Icelandair

Recent direct flight deals from Colorado to Keflavik Intl

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

$562Icelandair

Sun, Jan 10 - Tue, Jan 19

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

Sun, Nov 15 - Sun, Nov 22

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

Sat, Jan 16 - Sat, Jan 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

Sun, Dec 6 - Fri, Dec 11

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

Sun, Feb 21 - Fri, Feb 26

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

Mon, Jan 18 - Sat, Jan 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 - 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

$562Icelandair

Sat, Nov 14 - Sat, Nov 21

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

Mon, Nov 16 - Sat, Nov 21

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

Useful Info

Low season	February
High season	July
Cheapest flight	$347

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

Most popular time to fly with an average 14% 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.