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

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 - 6:13 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

13h 13m1 stop Chicago O'Hare Intl

$543United Airlines

Sun, Nov 15 - Thu, Nov 26

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

19h 15m1 stop Chicago O'Hare Intl

12:00 pm - 4:23 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

11h 23m1 stop Chicago O'Hare Intl

$543United Airlines

Sat, Nov 14 - Thu, Nov 26

11:59 pm - 10:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

27h 01m2 stops Newark Chicago O'Hare Intl

12:00 pm - 4:23 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

11h 23m1 stop Chicago O'Hare Intl

$547United Airlines

Sat, Nov 14 - Mon, Nov 23

5:55 pm - 10:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

33h 05m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

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

14h 45m1 stop Chicago O'Hare Intl

$547United Airlines

Tue, Nov 10 - 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

$560Icelandair

Wed, Oct 28 - Wed, Nov 4

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

$560Icelandair

Fri, Nov 6 - Fri, Nov 13

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

$560Icelandair

Tue, Nov 10 - Tue, Nov 17

9:20 pm - 6:30 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

26h 10m2 stops Dallas/Fort Worth Washington, D.C. Dulles Intl

4:50 pm - 8:22 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

22h 32m2 stops Washington, D.C. Dulles Intl Atlanta Hartsfield-Jackson

$659Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

10:39 am - 6:35 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

12h 56m1 stop Minneapolis St Paul

4:45 pm - 8:19 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

22h 34m1 stop Minneapolis St Paul

$688Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

2:00 pm - 6:05 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

33h 05m1 stop Boston Logan Intl

5:00 pm - 10:46 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

12h 46m1 stop Boston Logan Intl

$697Multiple Airlines

Recent last minute flight deals from Colorado to Keflavik Intl

Tue, Oct 6 - Tue, Oct 13

8:29 pm - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

30h 21m1 stop Chicago O'Hare Intl

4:10 pm - 9:27 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

35h 17m2 stops Zurich Las Vegas Harry Reid Intl

$873Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

7:40 am - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

43h 10m2 stops San Francisco Chicago O'Hare Intl

4:10 pm - 9:27 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

35h 17m2 stops Zurich Las Vegas Harry Reid Intl

$884Multiple Airlines

Sun, Oct 4 - Tue, Oct 6

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

11h 02m1 stop Chicago O'Hare Intl

10:00 am - 12:22 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

32h 22m2 stops Toronto Pearson Intl New York LaGuardia

$1,026United Airlines

Sun, Oct 4 - Tue, Oct 6

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

11h 02m1 stop Chicago O'Hare Intl

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

30h 27m1 stop Toronto Pearson Intl

$1,039Multiple Airlines

Sun, Oct 4 - Tue, Oct 6

11:45 am - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

15h 05m2 stops Los Angeles Chicago O'Hare Intl

10:00 am - 10:15 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

18h 15m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$1,054United Airlines

Wed, Oct 7 - Fri, Oct 9

7:40 am - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

19h 10m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

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

31h 16m1 stop Montreal Pierre Elliott Trudeau Intl

$1,090United Airlines

Tue, Oct 6 - Thu, Oct 8

6:10 pm - 11:25 pmDEN Denver Intl-KEF Reykjavik Keflavik Intl

23h 15m2 stops Chicago O'Hare Intl Frankfurt am Main

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

11h 50m1 stop Chicago O'Hare Intl

$1,094Multiple Airlines

Thu, Oct 8 - Fri, Oct 16

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

7h 20mnonstop

7:45 pm - 2:08 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

24h 23m1 stop Seattle/Tacoma Intl

$1,345Icelandair

Thu, Oct 8 - Wed, Oct 14

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

$1,392Icelandair

Sun, Oct 4 - Tue, Oct 6

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

$1,456Icelandair

Recent direct flight deals from Colorado to Keflavik Intl

Tue, Nov 10 - 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

$560Icelandair

Wed, Oct 28 - Wed, Nov 4

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

$560Icelandair

Fri, Nov 6 - Fri, Nov 13

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

$560Icelandair

Thu, Oct 29 - Thu, Nov 5

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

$560Icelandair

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

$560Icelandair

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

Fri, Nov 6 - 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

$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

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

Fri, Nov 13 - Fri, Nov 20

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

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 14% increase in price.

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.