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Cheap flights from Denver to Reykjavik from $355

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:28 pm - 10:00 amDEN  Denver Intl-KEF Reykjavik Keflavik Intl
11h 32m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 6:18 pmKEF  Reykjavik Keflavik Intl-DEN Denver Intl
13h 18m1 stop Chicago O'Hare Intl
$542United Airlines
Fri, Dec 4 - Mon, Dec 14
United Airlines Logo
3:50 pm - 10:00 amDEN  Denver Intl-KEF Reykjavik Keflavik Intl
11h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 6:04 pmKEF  Reykjavik Keflavik Intl-DEN Denver Intl
13h 04m1 stop Chicago O'Hare Intl
$542United Airlines
Fri, Dec 4 - Sat, Dec 12
United Airlines Logo
7:40 pm - 10:00 amDEN  Denver Intl-KEF Reykjavik Keflavik Intl
31h 20m2 stops Los Angeles Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 12:45 pmKEF  Reykjavik Keflavik Intl-DEN Denver Intl
31h 45m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
$546United Airlines
Sat, Dec 5 - Mon, Dec 14
United Airlines Logo
11:59 pm - 10:00 amDEN  Denver Intl-KEF Reykjavik Keflavik Intl
27h 01m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 7:45 pmKEF  Reykjavik Keflavik Intl-DEN Denver Intl
14h 45m1 stop Chicago O'Hare Intl
$546United Airlines
Thu, Nov 12 - Thu, Nov 19
Icelandair Logo
3:40 pm - 6:05 amDEN  Denver Intl-KEF Reykjavik Keflavik Intl
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:00 pmKEF  Reykjavik Keflavik Intl-DEN Denver Intl
8h 05mnonstop
$556Icelandair
Wed, Jan 27 - Sun, Jan 31
Icelandair Logo
3:40 pm - 6:05 amDEN  Denver Intl-KEF Reykjavik Keflavik Intl
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:00 pmKEF  Reykjavik Keflavik Intl-DEN Denver Intl
8h 05mnonstop
$556Icelandair
Sat, Nov 28 - Mon, Dec 7
Icelandair Logo
3:40 pm - 6:05 amDEN  Denver Intl-KEF Reykjavik Keflavik Intl
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:00 pmKEF  Reykjavik Keflavik Intl-DEN Denver Intl
8h 05mnonstop
$562Icelandair
Sat, Feb 13 - Sat, Feb 27
Multiple Airlines Logo
3:55 pm - 2:25 pmDEN  Denver Intl-KEF Reykjavik Keflavik Intl
15h 30m1 stop Frankfurt am Main
Multiple Airlines Logo
12:00 pm - 6:03 pmKEF  Reykjavik Keflavik Intl-DEN Denver Intl
13h 03m1 stop Chicago O'Hare Intl
$582Multiple Airlines
Mon, Dec 7 - Mon, Dec 14
Multiple Airlines Logo
3:55 pm - 2:25 pmDEN  Denver Intl-KEF Reykjavik Keflavik Intl
15h 30m1 stop Frankfurt am Main
Multiple Airlines Logo
12:00 pm - 10:24 amKEF  Reykjavik Keflavik Intl-DEN Denver Intl
29h 24m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$586Multiple Airlines
Mon, Dec 7 - Mon, Dec 14
Multiple Airlines Logo
3:55 pm - 2:25 pmDEN  Denver Intl-KEF Reykjavik Keflavik Intl
15h 30m1 stop Frankfurt am Main
Multiple Airlines Logo
12:00 pm - 11:27 amKEF  Reykjavik Keflavik Intl-DEN Denver Intl
30h 27m3 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl Houston George Bush Intcntl
$586Multiple Airlines
Mon, Dec 7 - Mon, Dec 14

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Lufthansa flights from Denver to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on Denver to Reykjavik Keflavik Intl Airport flight tickets
Lufthansa
Nov 10
DEN4:48 pmDenver Intl
38h 37m
2 stops
KEF2:25 pmReykjavik Keflavik Intl
Nov 19
KEF3:10 pmReykjavik Keflavik Intl
30h 20m
1 stop
DEN2:30 pmDenver Intl
$614
Lufthansa
Dec 7
DEN3:55 pmDenver Intl
15h 30m
1 stop
KEF2:25 pmReykjavik Keflavik Intl
Dec 14
KEF12:00 pmReykjavik Keflavik Intl
11h 28m
1 stop
DEN4:28 pmDenver Intl
$630
Lufthansa
Dec 7
DEN3:55 pmDenver Intl
15h 30m
1 stop
KEF2:25 pmReykjavik Keflavik Intl
Dec 14
KEF12:00 pmReykjavik Keflavik Intl
11h 28m
1 stop
DEN4:28 pmDenver Intl
$631

United Airlines flights from Denver to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on Denver to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Dec 4
DEN3:50 pmDenver Intl
11h 10m
1 stop
KEF10:00 amReykjavik Keflavik Intl
Dec 12
KEF12:00 pmReykjavik Keflavik Intl
13h 04m
1 stop
DEN6:04 pmDenver Intl
$542
United Airlines
Dec 4
DEN7:40 amDenver Intl
19h 20m
2 stops
KEF10:00 amReykjavik Keflavik Intl
Dec 12
KEF12:00 pmReykjavik Keflavik Intl
29h 24m
2 stops
DEN10:24 amDenver Intl
$546
United Airlines
Nov 12
DEN11:59 pmDenver Intl
27h 01m
2 stops
KEF10:00 amReykjavik Keflavik Intl
Nov 19
KEF12:00 pmReykjavik Keflavik Intl
19h 19m
2 stops
DEN12:19 amDenver Intl
$547

momondo Fare Finder

 
Use the filters below to find and compare flights from Denver to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Fri 12/4

3:28 pm-10:00 am

1 stop11h 32m

Reykjavik Keflavik Intl

Mon 12/14

12:00 pm-6:18 pm

1 stop13h 18m

$542

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Fri 12/4

3:50 pm-10:00 am

1 stop11h 10m

Reykjavik Keflavik Intl

Sat 12/12

12:00 pm-6:04 pm

1 stop13h 04m

$542

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Sat 12/5

7:40 pm-10:00 am

2 stops31h 20m

Reykjavik Keflavik Intl

Mon 12/14

12:00 pm-12:45 pm

2 stops31h 45m

$546

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Thu 11/12

11:59 pm-10:00 am

2 stops27h 01m

Reykjavik Keflavik Intl

Thu 11/19

12:00 pm-7:45 pm

1 stop14h 45m

$546
Quickest round-trip

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Wed 1/27

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sun 1/31

4:55 pm-6:00 pm

Nonstop8h 05m

$556

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Sat 11/28

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Mon 12/7

4:55 pm-6:00 pm

Nonstop8h 05m

$556

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Sat 2/13

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sat 2/27

4:55 pm-6:00 pm

Nonstop8h 05m

$562

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Mon 12/7

3:55 pm-2:25 pm

1 stop15h 30m

Reykjavik Keflavik Intl

Mon 12/14

12:00 pm-6:03 pm

1 stop13h 03m

$582

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Mon 12/7

3:55 pm-2:25 pm

1 stop15h 30m

Reykjavik Keflavik Intl

Mon 12/14

12:00 pm-10:24 am

2 stops29h 24m

$586

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Mon 12/7

3:55 pm-2:25 pm

1 stop15h 30m

Reykjavik Keflavik Intl

Mon 12/14

12:00 pm-11:27 am

3 stops30h 27m

$586

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 Reykjavik from

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

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 typical price of a round-trip flight between Denver and Reykjavik Keflavik Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $590 to $867.
The lowest price recently found on this route was $542.

What is the cheapest month to fly to Reykjavik Keflavik Intl Airport?

The month of February is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from Denver, with most prices found around $448. If you’re not able to fly to Reykjavik Keflavik Intl Airport in February, then January is your next best option. Flight prices from Denver to Reykjavik Keflavik Intl Airport during January average around $520.

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from Denver to Reykjavik Keflavik Intl Airport is on a Sunday when prices can be found for as low as $722. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Saturday, with ticket prices averaging around $748.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the afternoon when flights can be purchased for as low as $699. Flights in the evening are often more expensive with an average ticket price of $839.

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

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

How far in advance should I book a flight from Denver to Reykjavik Keflavik Intl Airport?

You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $642 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from Denver for as low as $586 on momondo.

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

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

You could potentially save up to 11% on your flight if you consider stops on a Denver to Reykjavik Keflavik Intl Airport flight.

How have Denver to Reykjavik Keflavik Intl Airport flight prices changed over time?

As of October 2026, prices for Denver to Reykjavik Keflavik Intl Airport flights are approximately 71% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Reykjavik Keflavik Intl Airport

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

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

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

Best Price Found

$355

Fastest flight time

7h 15m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from Denver in the past 72 hours is $355. The best round-trip flight deal from Denver to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $542.
The fastest flight from Denver to Reykjavik Keflavik Intl Airport takes 7h 15m
Direct flights go from Denver to Reykjavik Keflavik Intl Airport every day.
Search flight deals

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

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

    Reykjavik Keflavik Intl is 3572.3 mi away from Denver Intl. 7h 15m is a normal flight duration for this route.

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

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

  • How many operators does momondo search for flights from Denver Intl Airport to Reykjavik Keflavik Intl Airport?

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

    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 Denver Intl Airport to Reykjavik Keflavik Intl Airport.

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

    The travel and health documents required for your trip to Reykjavik Keflavik Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Reykjavik Keflavik Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Denver to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from Denver to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $431Free CancellationRating
7.3
10,454 reviews
Search United Airlines flights
IcelandairPriceFrom $448Free CancellationRating
6.9
764 reviews
Search Icelandair flights

  • Icelandair Flights From Denver to Reykjavik Keflavik Intl Airport

    Across 3 Icelandair flights from Denver to Reykjavik Keflavik Intl Airport this week, the average price was $637, with the best Icelandair deals starting from $448 round-trip. 764 users have rated Icelandair on momondo, with an average score of 6.9/10.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Selfoss
Keflavik
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

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

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

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

Flights from Denver to Reykjavik with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Denver to Reykjavik flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Reykjavik from Denver 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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