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Cheap flights from Reykjavik Keflavik Intl Airport to Denver from $327

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 9/3. 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 Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
4:55 pm - 6:00 pm
KEF
-
DEN
8h 05mnonstop
Icelandair Logo
3:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
$586Icelandair
Mon, Nov 23 - Mon, Nov 30
Icelandair Logo
10:45 am - 12:40 pm
KEF
-
DEN
7h 55mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$596Icelandair
Tue, Aug 11 - Sat, Aug 15
Multiple Airlines Logo
9:00 am - 11:20 am
KEF
-
DEN
32h 20m
1 stop
Multiple Airlines Logo
7:00 am - 9:00 am
DEN
-
KEF
20h 00m
2 stops
$627Multiple Airlines
Thu, Sep 3 - Sun, Sep 6
Multiple Airlines Logo
9:00 am - 11:20 am
KEF
-
DEN
32h 20m
1 stop
Multiple Airlines Logo
7:00 am - 9:00 am
DEN
-
KEF
20h 00m
2 stops
$628Multiple Airlines
Thu, Sep 3 - Sun, Sep 6
Icelandair Logo
10:45 am - 12:40 pm
KEF
-
DEN
7h 55mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$640Icelandair
Mon, Aug 10 - Fri, Aug 14
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
Fri, Aug 21 - Fri, Aug 28
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 21 - Fri, Aug 28
Icelandair Logo
10:45 am - 12:40 pm
KEF
-
DEN
7h 55mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$648Icelandair
Mon, Aug 24 - Mon, Aug 31
WestJet Logo
9:00 am - 11:20 am
KEF
-
DEN
32h 20m
1 stop
WestJet Logo
12:15 pm - 7:40 am
DEN
-
KEF
13h 25m
1 stop
$651WestJet
Thu, Sep 3 - Sun, Sep 6
Icelandair Logo
10:45 am - 12:40 pm
KEF
-
DEN
7h 55mnonstop
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
$652Icelandair
Fri, Aug 21 - Thu, Aug 27

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WestJet flights from Reykjavik Keflavik Intl Airport to Denver

Our best WestJet deals on Reykjavik Keflavik Intl Airport to Denver flight tickets
WestJet
Sep 3
KEF9:00 amReykjavik Keflavik Intl
32h 20m
1 stop
DEN11:20 amDenver Intl
Sep 6
DEN12:15 pmDenver Intl
13h 25m
1 stop
KEF7:40 amReykjavik Keflavik Intl
$651
WestJet
Sep 3
KEF9:00 amReykjavik Keflavik Intl
32h 20m
1 stop
DEN11:20 amDenver Intl
Sep 6
DEN12:15 pmDenver Intl
13h 25m
1 stop
KEF7:40 amReykjavik Keflavik Intl
$653

Icelandair flights from Reykjavik Keflavik Intl Airport to Denver

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Denver flight tickets
Icelandair
Nov 23
KEF4:55 pmReykjavik Keflavik Intl
8h 05m
DEN6:00 pmDenver Intl
Nov 30
DEN3:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
$586
Icelandair
Aug 11
KEF10:45 amReykjavik Keflavik Intl
7h 55m
DEN12:40 pmDenver Intl
Aug 15
DEN4:40 pmDenver Intl
7h 20m
KEF6:00 amReykjavik Keflavik Intl
$596
Icelandair
Jul 29
KEF10:45 amReykjavik Keflavik Intl
7h 55m
DEN12:40 pmDenver Intl
Aug 4
DEN4:40 pmDenver Intl
7h 20m
KEF6:00 amReykjavik Keflavik Intl
$625

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 July 28, 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

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 11/23

4:55 pm-6:00 pm

Nonstop8h 05m

Denver Intl

Mon 11/30

3:40 pm-6:05 am

Nonstop7h 25m

$586
Quickest round-trip

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Tue 8/11

10:45 am-12:40 pm

Nonstop7h 55m

Denver Intl

Sat 8/15

4:40 pm-6:00 am

Nonstop7h 20m

$596

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 9/3

9:00 am-11:20 am

1 stop32h 20m

Denver Intl

Sun 9/6

7:00 am-9:00 am

2 stops20h 00m

$627

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 9/3

9:00 am-11:20 am

1 stop32h 20m

Denver Intl

Sun 9/6

7:00 am-9:00 am

2 stops20h 00m

$628

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 8/10

10:45 am-12:40 pm

Nonstop7h 55m

Denver Intl

Fri 8/14

4:40 pm-6:00 am

Nonstop7h 20m

$640

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 8/21

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Fri 8/28

4:40 pm-6:00 am

Nonstop7h 20m

$646

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 8/21

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Fri 8/28

4:40 pm-6:00 am

Nonstop7h 20m

$647

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 8/24

10:45 am-12:40 pm

Nonstop7h 55m

Denver Intl

Mon 8/31

4:40 pm-6:00 am

Nonstop7h 20m

$648

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 9/3

9:00 am-11:20 am

1 stop32h 20m

Denver Intl

Sun 9/6

12:15 pm-7:40 am

1 stop13h 25m

$651

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 8/21

10:45 am-12:40 pm

Nonstop7h 55m

Denver Intl

Thu 8/27

4:40 pm-6:00 am

Nonstop7h 20m

$652

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 Airport to Denver flights?

There are 2 cabin classes available to choose from on Reykjavik Keflavik Intl Airport to Denver 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 1% 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

7h 55m

Direct flights

Every day

Airports in Denver

1 airport
The fastest flight from Reykjavik Keflavik Intl Airport to Denver takes 7h 55m
Direct flights go from Reykjavik Keflavik Intl Airport to Denver every day.
There is 1 airport in Denver. 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 Denver

  • 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 7h 55m.

  • 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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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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