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Cheap flights from Reykjavik Keflavik Intl Airport to Colorado from $394

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Reykjavik Keflavik Intl Airport to Colorado departing on 7/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Reykjavik Keflavik Intl Airport to Colorado

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$590Icelandair
Thu, Aug 27 - Fri, Sep 4
Multiple Airlines Logo
9:00 am - 11:52 pm
KEF
-
DEN
20h 52m
3 stops
Multiple Airlines Logo
7:45 pm - 6:55 am
DEN
-
KEF
29h 10m
3 stops
$630Multiple Airlines
Thu, Aug 27 - Fri, Sep 4
Icelandair Logo
10:45 am - 12:40 pm
KEF
-
DEN
7h 55mnonstop
Icelandair Logo
8:10 pm - 9:25 am
DEN
-
KEF
7h 15mnonstop
$637Icelandair
Sun, Aug 30 - Sat, Sep 5
Alaska Airlines Logo
12:45 pm - 4:36 pm
KEF
-
DEN
33h 51m
1 stop
Alaska Airlines Logo
7:30 pm - 9:00 am
DEN
-
KEF
31h 30m
1 stop
$640Alaska Airlines
Thu, Aug 27 - Fri, Sep 4
Alaska Airlines Logo
12:45 pm - 4:36 pm
KEF
-
DEN
33h 51m
1 stop
Alaska Airlines Logo
7:30 pm - 9:00 am
DEN
-
KEF
31h 30m
1 stop
$642Alaska Airlines
Thu, Aug 27 - Fri, Sep 4
Icelandair Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$646Icelandair
Thu, Sep 3 - Sun, Sep 6
Icelandair Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$647Icelandair
Fri, Aug 28 - Fri, Sep 4
Alaska Airlines Logo
12:45 pm - 11:16 pm
KEF
-
DEN
16h 31m
1 stop
Alaska Airlines Logo
12:02 pm - 9:00 am
DEN
-
KEF
14h 58m
1 stop
$648Alaska Airlines
Fri, Aug 21 - Fri, Aug 28
WestJet Logo
9:00 am - 11:20 am
KEF
-
DEN
32h 20m
1 stop
WestJet Logo
12:15 pm - 6:55 am
DEN
-
KEF
36h 40m
2 stops
$653WestJet
Thu, Aug 27 - Fri, Sep 4
Icelandair Logo
10:45 am - 12:40 pm
KEF
-
DEN
7h 55mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$661Icelandair
Wed, Aug 5 - Tue, Aug 11

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Icelandair flights from Reykjavik Keflavik Intl Airport to Colorado

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Colorado flight tickets
Icelandair
Aug 27
KEF4:50 pmReykjavik Keflavik Intl
8h 10m
DEN7:00 pmDenver Intl
Sep 4
DEN4:40 pmDenver Intl
7h 20m
KEF6:00 amReykjavik Keflavik Intl
$590
Icelandair
Aug 30
KEF10:45 amReykjavik Keflavik Intl
7h 55m
DEN12:40 pmDenver Intl
Sep 5
DEN8:10 pmDenver Intl
7h 15m
KEF9:25 amReykjavik Keflavik Intl
$637
Icelandair
Sep 3
KEF4:50 pmReykjavik Keflavik Intl
8h 10m
DEN7:00 pmDenver Intl
Sep 6
DEN4:40 pmDenver Intl
7h 20m
KEF6:00 amReykjavik Keflavik Intl
$646

Alaska Airlines flights from Reykjavik Keflavik Intl Airport to Colorado

Our best Alaska Airlines deals on Reykjavik Keflavik Intl Airport to Colorado flight tickets
Alaska Airlines
Aug 27
KEF12:45 pmReykjavik Keflavik Intl
33h 51m
1 stop
DEN4:36 pmDenver Intl
Sep 4
DEN7:30 pmDenver Intl
31h 30m
1 stop
KEF9:00 amReykjavik Keflavik Intl
$640
Alaska Airlines
Aug 27
KEF12:45 pmReykjavik Keflavik Intl
33h 51m
1 stop
DEN4:36 pmDenver Intl
Sep 4
DEN7:30 pmDenver Intl
31h 30m
1 stop
KEF9:00 amReykjavik Keflavik Intl
$642
Alaska Airlines
Aug 21
KEF12:45 pmReykjavik Keflavik Intl
16h 31m
1 stop
DEN11:16 pmDenver Intl
Aug 28
DEN12:02 pmDenver Intl
14h 58m
1 stop
KEF9:00 amReykjavik Keflavik Intl
$648

momondo Fare Finder

 
Customize your flight search to find flights from Reykjavik Keflavik Intl Airport to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 8, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 8/27

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Fri 9/4

4:40 pm-6:00 am

Nonstop7h 20m

$590

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 8/27

9:00 am-11:52 pm

3 stops20h 52m

Denver Intl

Fri 9/4

7:45 pm-6:55 am

3 stops29h 10m

$630
Quickest round-trip

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 8/30

10:45 am-12:40 pm

Nonstop7h 55m

Denver Intl

Sat 9/5

8:10 pm-9:25 am

Nonstop7h 15m

$637

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 8/27

12:45 pm-4:36 pm

1 stop33h 51m

Denver Intl

Fri 9/4

7:30 pm-9:00 am

1 stop31h 30m

$640

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 8/27

12:45 pm-4:36 pm

1 stop33h 51m

Denver Intl

Fri 9/4

7:30 pm-9:00 am

1 stop31h 30m

$642

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 9/3

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Sun 9/6

4:40 pm-6:00 am

Nonstop7h 20m

$646

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 8/28

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Fri 9/4

4:40 pm-6:00 am

Nonstop7h 20m

$647

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 8/21

12:45 pm-11:16 pm

1 stop16h 31m

Denver Intl

Fri 8/28

12:02 pm-9:00 am

1 stop14h 58m

$648

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 8/27

9:00 am-11:20 am

1 stop32h 20m

Denver Intl

Fri 9/4

12:15 pm-6:55 am

2 stops36h 40m

$653

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Wed 8/5

10:45 am-12:40 pm

Nonstop7h 55m

Denver Intl

Tue 8/11

4:40 pm-6:00 am

Nonstop7h 20m

$661

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Colorado from

How to get the cheapest flight ticket from Reykjavik Keflavik Intl Airport to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest Reykjavik Keflavik Intl to Colorado flight route?

Fly from Reykjavik Keflavik Intl to Denver Intl for the best Reykjavik Keflavik Intl - Colorado flight prices

What cabin class options are available on Reykjavik Keflavik Intl Airport to Colorado flights?

There are 2 cabin classes available to choose from on Reykjavik Keflavik Intl Airport to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Reykjavik Keflavik Intl Airport to Colorado flights?

You could potentially save up to 2% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to Colorado flight.

Cheap Reykjavik Keflavik Intl Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Reykjavik Keflavik Intl Airport to Colorado

Fastest flight time

7h 55m

Direct flights

Every day

Airports in Colorado

87 airports
The fastest flight from Reykjavik Keflavik Intl Airport to Colorado takes 7h 55m
Direct flights go from Reykjavik Keflavik Intl Airport to Colorado every day.
There are 87 airports in Colorado. From Reykjavik Keflavik Intl Airport there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Reykjavik Keflavik Intl Airport to Colorado

  • When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to Colorado?

    Prices for flights from Reykjavik Keflavik Intl Airport to Colorado are refreshed on a daily basis.

  • How old do you have to be to fly from Reykjavik Keflavik Intl Airport to Colorado?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to Colorado.

  • What documentation or ID do you need to fly to Colorado?

    The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Reykjavik Keflavik Intl Airport to Colorado?

Why use momondo?

Why should I use momondo to find a flight deal from Reykjavik to Colorado?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Reykjavik to Colorado. momondo saves you time and could save you money on your trip.

Can I find flights from Reykjavik to Colorado with flexible booking policies on momondo?

momondo does allow users to show only those flights to Colorado from Reykjavik which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Reykjavik to Colorado?

Once you have performed a search for Reykjavik to Colorado flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Reykjavik to Colorado right now. Can momondo alert me if prices change?

Price alerts on flights to Colorado from Reykjavik are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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