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Cheap flights from Reykjavik Keflavik Intl Airport to Denver from $470

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 4/12. 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

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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
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$621Icelandair
Thu, Apr 16 - Sat, Apr 25
Icelandair Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$630Icelandair
Thu, Apr 16 - Sat, Apr 25
Icelandair Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$644Icelandair
Thu, Apr 16 - Sat, Apr 25
Icelandair Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$649Icelandair
Thu, Apr 16 - Sat, Apr 25
Icelandair Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$665Icelandair
Thu, Apr 23 - Thu, Apr 30
Icelandair Logo
4:55 pm - 7:05 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$689Icelandair
Wed, Mar 18 - Tue, Apr 21
Icelandair Logo
4:55 pm - 7:05 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$691Icelandair
Wed, Mar 18 - Tue, Apr 21
Multiple Airlines Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Multiple Airlines Logo
6:00 am - 9:25 am
DEN
-
KEF
21h 25m
1 stop
$778Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Icelandair Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
Icelandair Logo
11:08 pm - 6:05 am
DEN
-
KEF
24h 57m
1 stop
$783Icelandair
Thu, Apr 23 - Thu, Apr 30
Icelandair Logo
7:45 pm - 11:56 pm
KEF
-
DEN
34h 11m
1 stop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$788Icelandair
Thu, Apr 16 - Sat, Apr 25

Icelandair flights from Reykjavik Keflavik Intl Airport to Denver

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Denver flight tickets
Icelandair
Apr 16
KEF4:50 pmReykjavik Keflavik Intl
8h 10m
DEN7:00 pmDenver Intl
Apr 25
DEN4:40 pmDenver Intl
7h 20m
KEF6:00 amReykjavik Keflavik Intl
$621
Icelandair
Apr 16
KEF4:50 pmReykjavik Keflavik Intl
8h 10m
DEN7:00 pmDenver Intl
Apr 25
DEN4:40 pmDenver Intl
7h 20m
KEF6:00 amReykjavik Keflavik Intl
$630
Icelandair
Apr 16
KEF4:50 pmReykjavik Keflavik Intl
8h 10m
DEN7:00 pmDenver Intl
Apr 25
DEN4:40 pmDenver Intl
7h 20m
KEF6:00 amReykjavik Keflavik Intl
$644

American Airlines flights from Reykjavik Keflavik Intl Airport to Denver

Our best American Airlines deals on Reykjavik Keflavik Intl Airport to Denver flight tickets
American Airlines
Apr 16
KEF10:40 amReykjavik Keflavik Intl
35h 50m
1 stop
DEN4:30 pmDenver Intl
Apr 25
DEN6:40 pmDenver Intl
33h 05m
1 stop
KEF9:45 amReykjavik Keflavik Intl
$928
American Airlines
Apr 16
KEF10:40 amReykjavik Keflavik Intl
35h 50m
1 stop
DEN4:30 pmDenver Intl
Apr 25
DEN5:44 pmDenver Intl
34h 01m
2 stops
KEF9:45 amReykjavik Keflavik Intl
$938
American Airlines
Apr 16
KEF10:40 amReykjavik Keflavik Intl
19h 05m
2 stops
DEN11:45 pmDenver Intl
Apr 25
DEN6:40 pmDenver Intl
33h 05m
1 stop
KEF9:45 amReykjavik Keflavik Intl
$982

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 March 10, 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

Cheapest round-trip
Quickest round-trip

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/16

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Sat 4/25

4:40 pm-6:00 am

Nonstop7h 20m

$621

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/16

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Sat 4/25

4:40 pm-6:00 am

Nonstop7h 20m

$630

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/16

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Sat 4/25

4:40 pm-6:00 am

Nonstop7h 20m

$644

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/16

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Sat 4/25

4:40 pm-6:00 am

Nonstop7h 20m

$649

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/23

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Thu 4/30

4:40 pm-6:00 am

Nonstop7h 20m

$665

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Wed 3/18

4:55 pm-7:05 pm

Nonstop8h 10m

Denver Intl

Tue 4/21

4:40 pm-6:00 am

Nonstop7h 20m

$689

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Wed 3/18

4:55 pm-7:05 pm

Nonstop8h 10m

Denver Intl

Tue 4/21

4:40 pm-6:00 am

Nonstop7h 20m

$691

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/23

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Thu 4/30

6:00 am-9:25 am

1 stop21h 25m

$778

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/23

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Thu 4/30

11:08 pm-6:05 am

1 stop24h 57m

$783

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/16

7:45 pm-11:56 pm

1 stop34h 11m

Denver Intl

Sat 4/25

4:40 pm-6:00 am

Nonstop7h 20m

$788

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 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 38% 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, Thu, 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, Thursday, 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?

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Boulder
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Keystone
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Thornton
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Winter Park
Grand Lake
Centennial
Copper Mountain
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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