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Cheap flights from Reykjavik Keflavik Intl Airport to Denver from $382

This is the cheapest round-trip 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 12/8. 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
4:55 pm - 6:05 pmKEF-DEN
8h 10mnonstop
Icelandair Logo
3:40 pm - 6:05 amDEN-KEF
7h 25mnonstop
$382Icelandair
Find Deal
Mon, Dec 8 - Sun, Dec 14
Icelandair Logo
4:55 pm - 6:05 pmKEF-DEN
8h 10mnonstop
Icelandair Logo
3:40 pm - 6:05 amDEN-KEF
7h 25mnonstop
$556Icelandair
Find Deal
Wed, Nov 19 - Wed, Dec 10
Multiple Airlines Logo
5:00 pm - 10:59 pmKEF-DEN
12h 59m1 stop
Multiple Airlines Logo
3:40 pm - 6:05 amDEN-KEF
7h 25mnonstop
$668Multiple Airlines
Find Deal
Mon, Dec 8 - Sun, Dec 14
Multiple Airlines Logo
4:45 pm - 6:13 pmKEF-DEN
32h 28m1 stop
Multiple Airlines Logo
3:40 pm - 6:05 amDEN-KEF
7h 25mnonstop
$698Multiple Airlines
Find Deal
Wed, Nov 19 - Wed, Dec 10
American Airlines Logo
11:50 am - 3:30 pmKEF-DEN
34h 40m1 stop
American Airlines Logo
12:30 pm - 10:55 amDEN-KEF
39h 25m2 stops
$981American Airlines
Find Deal
Mon, Dec 8 - Sun, Dec 14
American Airlines Logo
11:50 am - 3:30 pmKEF-DEN
34h 40m1 stop
American Airlines Logo
12:30 pm - 10:55 amDEN-KEF
39h 25m2 stops
$988American Airlines
Find Deal
Mon, Dec 8 - Sun, Dec 14
Finnair Logo
10:00 am - 5:46 pmKEF-DEN
38h 46m2 stops
Finnair Logo
12:18 pm - 9:15 amDEN-KEF
37h 57m2 stops
$989Finnair
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Fri, Dec 5 - Thu, Dec 11
Finnair Logo
10:00 am - 5:46 pmKEF-DEN
38h 46m2 stops
Finnair Logo
12:18 pm - 9:15 amDEN-KEF
37h 57m2 stops
$1,034Finnair
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Mon, Dec 8 - Sun, Dec 14
Delta Logo
11:25 am - 9:38 pmKEF-DEN
16h 13m2 stops
Delta Logo
3:45 pm - 9:30 amDEN-KEF
35h 45m2 stops
$1,351Delta
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Thu, Apr 16 - Sun, Apr 19
Delta Logo
11:25 am - 10:04 amKEF-DEN
28h 39m2 stops
Delta Logo
3:45 pm - 9:30 amDEN-KEF
35h 45m2 stops
$1,354Delta
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Thu, Apr 16 - Sun, Apr 19

Icelandair flights from Reykjavik Keflavik Intl Airport to Denver

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Denver flight tickets
Icelandair
Dec 8
KEF4:55 pmReykjavik Keflavik Intl
8h 10m
DEN6:05 pmDenver Intl
Dec 14
DEN3:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
$382
Find similar
Icelandair
Nov 19
KEF4:55 pmReykjavik Keflavik Intl
8h 10m
DEN6:05 pmDenver Intl
Dec 10
DEN3:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
$556
Find similar
Icelandair
Dec 8
KEF5:00 pmReykjavik Keflavik Intl
12h 59m
1 stop
DEN10:59 pmDenver Intl
Dec 14
DEN3:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
$605
Find similar

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
Dec 8
KEF11:50 amReykjavik Keflavik Intl
34h 40m
1 stop
DEN3:30 pmDenver Intl
Dec 14
DEN12:30 pmDenver Intl
39h 25m
2 stops
KEF10:55 amReykjavik Keflavik Intl
$981
Find similar
American Airlines
Dec 8
KEF11:50 amReykjavik Keflavik Intl
34h 40m
1 stop
DEN3:30 pmDenver Intl
Dec 14
DEN12:30 pmDenver Intl
39h 25m
2 stops
KEF10:55 amReykjavik Keflavik Intl
$988
Find similar
American Airlines
Dec 8
KEF11:50 amReykjavik Keflavik Intl
41h 30m
2 stops
DEN10:20 pmDenver Intl
Dec 14
DEN12:30 pmDenver Intl
39h 25m
2 stops
KEF10:55 amReykjavik Keflavik Intl
$1,002
Find similar

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 November 2, 2025.
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

Mon 12/8

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Sun 12/14

3:40 pm-6:05 am

Nonstop7h 25m

$382

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Wed 11/19

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Wed 12/10

3:40 pm-6:05 am

Nonstop7h 25m

$556

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 12/8

5:00 pm-10:59 pm

1 stop12h 59m

Denver Intl

Sun 12/14

3:40 pm-6:05 am

Nonstop7h 25m

$668

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Wed 11/19

4:45 pm-6:13 pm

1 stop32h 28m

Denver Intl

Wed 12/10

3:40 pm-6:05 am

Nonstop7h 25m

$698

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 12/8

11:50 am-3:30 pm

1 stop34h 40m

Denver Intl

Sun 12/14

12:30 pm-10:55 am

2 stops39h 25m

$981

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 12/8

11:50 am-3:30 pm

1 stop34h 40m

Denver Intl

Sun 12/14

12:30 pm-10:55 am

2 stops39h 25m

$988

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 12/5

10:00 am-5:46 pm

2 stops38h 46m

Denver Intl

Thu 12/11

12:18 pm-9:15 am

2 stops37h 57m

$989

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 12/8

10:00 am-5:46 pm

2 stops38h 46m

Denver Intl

Sun 12/14

12:18 pm-9:15 am

2 stops37h 57m

$1,034

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/16

11:25 am-9:38 pm

2 stops16h 13m

Denver Intl

Sun 4/19

3:45 pm-9:30 am

2 stops35h 45m

$1,351

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 4/16

11:25 am-10:04 am

2 stops28h 39m

Denver Intl

Sun 4/19

3:45 pm-9:30 am

2 stops35h 45m

$1,354

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 afternoon when flights can be purchased for as low as $629. Flights in the morning are often more expensive with an average ticket price of $786.

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 41% 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 05m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Denver

1 airport
The fastest flight from Reykjavik Keflavik Intl Airport to Denver takes 8h 05m
Direct flights go from Reykjavik Keflavik Intl Airport to Denver on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Denver: 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 05m.

  • 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
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

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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