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.

$365 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

Mon, Oct 19 - Mon, Oct 26

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

7h 20mnonstop

4:55 pm - 7:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$402Icelandair

Mon, Oct 19 - Mon, Oct 26

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

7h 20mnonstop

4:55 pm - 7:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$403Icelandair

Mon, Oct 19 - Mon, Oct 26

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

7h 20mnonstop

4:55 pm - 7:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$404Icelandair

Mon, Oct 19 - Mon, Oct 26

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

7h 20mnonstop

4:55 pm - 7:00 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

8h 05mnonstop

$407Icelandair

Sun, Oct 18 - Sat, Oct 24

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

32h 40m1 stop Toronto Pearson Intl

10:00 am - 10:35 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

30h 35m1 stop Toronto Pearson Intl

$434Air Canada

Sun, Oct 18 - Sat, Oct 24

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

15h 10m1 stop Toronto Pearson Intl

10:00 am - 10:35 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

30h 35m1 stop Toronto Pearson Intl

$451Air Canada

Sun, Oct 18 - Sat, Oct 24

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 - 8:17 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

16h 17m1 stop Toronto Pearson Intl

$455Air Canada

Sat, Oct 17 - Thu, Oct 22

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

30h 21m1 stop Chicago O'Hare Intl

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

30h 27m1 stop Toronto Pearson Intl

$457United Airlines

Sat, Oct 17 - Sat, Oct 24

7:45 pm - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

31h 05m2 stops Los Angeles Chicago O'Hare Intl

10:00 am - 10:35 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

30h 35m1 stop Toronto Pearson Intl

$467United Airlines

Sat, Oct 17 - Thu, Oct 22

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

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

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

30h 27m1 stop Toronto Pearson Intl

$467United Airlines

Recent last minute flight deals from Colorado to Keflavik Intl

Fri, Sep 11 - Wed, Sep 16

7:16 pm - 7:55 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

30h 39m2 stops Edmonton Montreal Pierre Elliott Trudeau Intl

9:15 am - 10:13 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

42h 58m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$452Air Canada

Fri, Sep 11 - Wed, Sep 16

7:16 pm - 7:55 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

30h 39m2 stops Edmonton Montreal Pierre Elliott Trudeau Intl

9:15 am - 6:46 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

15h 31m1 stop Montreal Pierre Elliott Trudeau Intl

$465Air Canada

Sat, Sep 12 - Fri, Sep 18

5:40 pm - 7:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

31h 20m1 stop Newark

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

31h 16m1 stop Montreal Pierre Elliott Trudeau Intl

$466United Airlines

Fri, Sep 11 - Wed, Sep 16

3:40 pm - 7:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

33h 20m1 stop Newark

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

31h 16m1 stop Montreal Pierre Elliott Trudeau Intl

$466Multiple Airlines

Wed, Sep 16 - Tue, Sep 22

6:18 pm - 8:50 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

32h 32m1 stop Chicago O'Hare Intl

10:00 am - 10:22 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

30h 22m1 stop Toronto Pearson Intl

$471United Airlines

Sat, Sep 12 - Fri, Sep 18

9:10 am - 7:55 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

16h 45m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

9:15 am - 8:34 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

29h 19m2 stops Montreal Pierre Elliott Trudeau Intl Calgary

$477Air Canada

Fri, Sep 11 - Tue, Sep 15

12:40 pm - 7:00 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

12h 20m1 stop Newark

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

16h 17m1 stop Toronto Pearson Intl

$483United Airlines

Sat, Sep 12 - Fri, Sep 18

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

7h 20mnonstop

7:55 pm - 11:43 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

21h 48m1 stop Boston Logan Intl

$768Icelandair

Fri, Sep 11 - Fri, Sep 25

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

7h 20mnonstop

7:45 pm - 11:19 pmKEF Reykjavik Keflavik Intl-DEN Denver Intl

33h 34m1 stop Seattle/Tacoma Intl

$829Icelandair

Fri, Sep 11 - Wed, Sep 16

8:10 pm - 9:25 amDEN Denver Intl-KEF Reykjavik Keflavik Intl

7h 15mnonstop

7:55 pm - 11:43 amKEF Reykjavik Keflavik Intl-DEN Denver Intl

21h 48m1 stop Boston Logan Intl

$908Icelandair

Useful Info

Low season	February
High season	August
Cheapest flight	$365

Best time to beat the crowds with an average 1% drop in price.

Most popular time to fly with an average 17% 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.