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Cheap flights from Reykjavik Keflavik Intl Airport to Denver from $446

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 Denver departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Reykjavik Keflavik Intl Airport to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
5:00 pm - 11:59 pm
KEF
-
DEN
12h 59m
1 stop
Icelandair Logo
4:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
$753Icelandair
Sun, Mar 8 - Tue, Mar 17
Icelandair Logo
5:00 pm - 11:59 pm
KEF
-
DEN
12h 59m
1 stop
Icelandair Logo
10:39 pm - 9:45 pm
DEN
-
KEF
17h 06m
1 stop
$822Icelandair
Sun, Mar 8 - Tue, Mar 17
Multiple Airlines Logo
4:50 pm - 10:42 am
KEF
-
DEN
23h 52m
1 stop
Multiple Airlines Logo
4:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
$839Multiple Airlines
Sun, Mar 8 - Tue, Mar 17
Multiple Airlines Logo
4:55 pm - 7:05 pm
KEF
-
DEN
8h 10mnonstop
Multiple Airlines Logo
11:59 pm - 9:45 pm
DEN
-
KEF
15h 46m
2 stops
$934Multiple Airlines
Sun, Mar 8 - Tue, Mar 17
Multiple Airlines Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
Multiple Airlines Logo
11:59 pm - 6:05 am
DEN
-
KEF
48h 06m
2 stops
$988Multiple Airlines
Fri, Mar 6 - Fri, Mar 13
Icelandair Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
$996Icelandair
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
Multiple Airlines Logo
6:11 pm - 9:40 am
DEN
-
KEF
33h 29m
3 stops
$1,007Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
4:55 pm - 7:05 pm
KEF
-
DEN
8h 10mnonstop
Multiple Airlines Logo
11:15 am - 11:55 pm
DEN
-
KEF
30h 40m
3 stops
$1,008Multiple Airlines
Sun, Mar 8 - Tue, Mar 17
Multiple Airlines Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
Multiple Airlines Logo
4:44 pm - 12:15 am
DEN
-
KEF
49h 31m
3 stops
$1,020Multiple Airlines
Fri, Mar 6 - Fri, Mar 13
Finnair Logo
10:00 am - 8:05 pm
KEF
-
DEN
40h 05m
2 stops
Finnair Logo
6:25 pm - 9:15 am
DEN
-
KEF
32h 50m
2 stops
$1,023Finnair
Sun, Mar 8 - Tue, Mar 17

Icelandair flights from Reykjavik Keflavik Intl Airport to Denver

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Denver flight tickets
Icelandair
Mar 8
KEF5:00 pmReykjavik Keflavik Intl
12h 59m
1 stop
DEN11:59 pmDenver Intl
Mar 17
DEN4:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
$753
Icelandair
Mar 8
KEF5:00 pmReykjavik Keflavik Intl
12h 59m
1 stop
DEN11:59 pmDenver Intl
Mar 17
DEN10:39 pmDenver Intl
17h 06m
1 stop
KEF9:45 pmReykjavik Keflavik Intl
$822
Icelandair
Mar 5
KEF4:55 pmReykjavik Keflavik Intl
8h 10m
DEN6:05 pmDenver Intl
Mar 12
DEN4:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
$996

Finnair flights from Reykjavik Keflavik Intl Airport to Denver

Our best Finnair deals on Reykjavik Keflavik Intl Airport to Denver flight tickets
Finnair
Mar 8
KEF10:00 amReykjavik Keflavik Intl
40h 05m
2 stops
DEN8:05 pmDenver Intl
Mar 17
DEN6:25 pmDenver Intl
32h 50m
2 stops
KEF9:15 amReykjavik Keflavik Intl
$1,023
Finnair
Mar 5
KEF9:45 amReykjavik Keflavik Intl
36h 45m
2 stops
DEN3:30 pmDenver Intl
Mar 12
DEN12:33 pmDenver Intl
38h 42m
2 stops
KEF9:15 amReykjavik Keflavik Intl
$1,163

momondo Fare Finder

 
Customize your flight search to find flights from Reykjavik Keflavik Intl Airport to Denver 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 January 21, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 3/8

5:00 pm-11:59 pm

1 stop12h 59m

Denver Intl

Tue 3/17

4:40 pm-6:05 am

Nonstop7h 25m

$753

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 3/8

5:00 pm-11:59 pm

1 stop12h 59m

Denver Intl

Tue 3/17

10:39 pm-9:45 pm

1 stop17h 06m

$822

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 3/8

4:50 pm-10:42 am

1 stop23h 52m

Denver Intl

Tue 3/17

4:40 pm-6:05 am

Nonstop7h 25m

$839

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 3/8

4:55 pm-7:05 pm

Nonstop8h 10m

Denver Intl

Tue 3/17

11:59 pm-9:45 pm

2 stops15h 46m

$934

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 3/6

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Fri 3/13

11:59 pm-6:05 am

2 stops48h 06m

$988

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 3/5

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Thu 3/12

4:40 pm-6:05 am

Nonstop7h 25m

$996

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 3/5

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Thu 3/12

6:11 pm-9:40 am

3 stops33h 29m

$1,007

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 3/8

4:55 pm-7:05 pm

Nonstop8h 10m

Denver Intl

Tue 3/17

11:15 am-11:55 pm

3 stops30h 40m

$1,008

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 3/6

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Fri 3/13

4:44 pm-12:15 am

3 stops49h 31m

$1,020

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 3/8

10:00 am-8:05 pm

2 stops40h 05m

Denver Intl

Tue 3/17

6:25 pm-9:15 am

2 stops32h 50m

$1,023

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 Denver from

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

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 time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the morning when flights can be purchased for as low as $786. Flights in the afternoon are often more expensive with an average ticket price of $866.

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

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

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

There are 3 cabin classes available to choose from on Reykjavik Keflavik Intl to Denver Intl 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 Denver flights?

You could potentially save up to 36% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to Denver flight.

When to book flights from Reykjavik Keflavik Intl Airport to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Reykjavik Keflavik Intl Airport to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Reykjavik Keflavik Intl Airport to Denver (KEF to DEN) flight deals and tips

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

Fastest flight time

8h 10m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Denver

1 airport
The fastest flight from Reykjavik Keflavik Intl Airport to Denver takes 8h 10m
Direct flights go from Reykjavik Keflavik Intl Airport to Denver on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Icelandair.
There is 1 airport in Denver. From Reykjavik Keflavik Intl Airport there are direct flights to Denver Intl (DEN).
Search flight deals

  • How far is Reykjavik Keflavik Intl to Denver Intl by plane?

    The distance between Reykjavik Keflavik Intl and Denver Intl is about 3572.3 mi. In terms of flight time, this usually takes a little over 8h 10m.

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

    Prices for flights from Reykjavik Keflavik Intl Airport to Denver Intl Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Reykjavik Keflavik Intl Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Cripple Creek
Longmont
Keystone
Boulder
Greeley
Lakewood
Westminster
Thornton
Winter Park
Frisco
Copper Mountain
Centennial
Grand Lake
Englewood

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Reykjavik.

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

Yes. momondo allows you to filter the results for Reykjavik to Denver flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Denver from Reykjavik. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Denver, momondo offers a useful price alert feature which will track prices for flights to Denver from Reykjavik and alert you when they change.

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