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Cheap flights from Denver to Reykjavik from $364

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Reykjavik departing on 11/14. 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 Denver to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:40 pm - 6:05 amDEN-KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pmKEF-DEN
8h 10mnonstop
$443Icelandair
Find Deal
lun., feb. 2 - sáb., feb. 7
Icelandair Logo
3:40 pm - 6:05 amDEN-KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pmKEF-DEN
8h 10mnonstop
$446Icelandair
Find Deal
dom., dic. 7 - jue., dic. 11
Icelandair Logo
3:40 pm - 6:05 amDEN-KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pmKEF-DEN
8h 10mnonstop
$450Icelandair
Find Deal
dom., nov. 30 - lun., dic. 8
KLM Logo
12:20 pm - 9:30 amDEN-KEF
15h 10m1 stop
KLM Logo
11:25 am - 6:34 pmKEF-DEN
13h 09m1 stop
$588KLM
Find Deal
sáb., abr. 11 - sáb., abr. 25
Lufthansa Logo
4:20 pm - 2:15 pmDEN-KEF
14h 55m1 stop
Lufthansa Logo
3:10 pm - 2:35 pmKEF-DEN
30h 25m1 stop
$589Lufthansa
Find Deal
vie., ene. 9 - jue., ene. 15
Finnair Logo
2:22 pm - 7:50 amDEN-KEF
35h 28m2 stops
Finnair Logo
8:35 am - 10:19 pmKEF-DEN
19h 44m2 stops
$601Finnair
Find Deal
mié., abr. 8 - mié., abr. 22
Finnair Logo
12:18 pm - 9:15 amDEN-KEF
37h 57m2 stops
Finnair Logo
10:00 am - 5:46 pmKEF-DEN
38h 46m2 stops
$612Finnair
Find Deal
mié., dic. 3 - lun., dic. 8
Lufthansa Logo
4:20 pm - 2:15 pmDEN-KEF
14h 55m1 stop
Lufthansa Logo
3:20 pm - 1:40 pmKEF-DEN
29h 20m1 stop
$614Lufthansa
Find Deal
mié., ene. 21 - mar., ene. 27
Multiple Airlines Logo
11:15 am - 1:20 pmDEN-KEF
43h 05m2 stops
Multiple Airlines Logo
3:20 pm - 4:00 pmKEF-DEN
31h 40m1 stop
$623Multiple Airlines
Find Deal
jue., nov. 27 - mar., dic. 2
KLM Logo
12:20 pm - 9:30 amDEN-KEF
15h 10m1 stop
KLM Logo
8:50 am - 5:31 pmKEF-DEN
14h 41m1 stop
$630KLM
Find Deal
vie., may. 1 - vie., may. 8

Alaska Airlines flights from Denver to Reykjavik Keflavik Intl Airport

Our best Alaska Airlines deals on Denver to Reykjavik Keflavik Intl Airport flight tickets
Alaska Airlines
Nov 17
DEN11:31 amDenver Intl
11h 44m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Nov 24
KEF5:00 pmReykjavik Keflavik Intl
13h 59m
1 stop
DEN11:59 pmDenver Intl
$856
Find similar
Alaska Airlines
Nov 15
DEN11:31 amDenver Intl
11h 44m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Nov 20
KEF5:00 pmReykjavik Keflavik Intl
13h 59m
1 stop
DEN11:59 pmDenver Intl
$898
Find similar
Alaska Airlines
Nov 19
DEN3:37 pmDenver Intl
31h 38m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Nov 24
KEF5:00 pmReykjavik Keflavik Intl
13h 59m
1 stop
DEN11:59 pmDenver Intl
$910
Find similar

Icelandair flights from Denver to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Denver to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Feb 2
DEN3:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
Feb 7
KEF4:55 pmReykjavik Keflavik Intl
8h 10m
DEN6:05 pmDenver Intl
$443
Find similar
Icelandair
Dec 7
DEN3:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
Dec 11
KEF4:55 pmReykjavik Keflavik Intl
8h 10m
DEN6:05 pmDenver Intl
$446
Find similar
Icelandair
Nov 30
DEN3:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
Dec 8
KEF4:55 pmReykjavik Keflavik Intl
8h 10m
DEN6:05 pmDenver Intl
$450
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Reykjavik Keflavik Intl Airport 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 noviembre 6, 2025.
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

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

lun. 2/2

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

sáb. 2/7

4:55 pm-6:05 pm

Nonstop8h 10m

$443

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

dom. 12/7

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

jue. 12/11

4:55 pm-6:05 pm

Nonstop8h 10m

$446

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

dom. 11/30

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

lun. 12/8

4:55 pm-6:05 pm

Nonstop8h 10m

$450

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

sáb. 4/11

12:20 pm-9:30 am

1 stop15h 10m

Reykjavik Keflavik Intl

sáb. 4/25

11:25 am-6:34 pm

1 stop13h 09m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

vie. 1/9

4:20 pm-2:15 pm

1 stop14h 55m

Reykjavik Keflavik Intl

jue. 1/15

3:10 pm-2:35 pm

1 stop30h 25m

$589

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

mié. 4/8

2:22 pm-7:50 am

2 stops35h 28m

Reykjavik Keflavik Intl

mié. 4/22

8:35 am-10:19 pm

2 stops19h 44m

$601

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

mié. 12/3

12:18 pm-9:15 am

2 stops37h 57m

Reykjavik Keflavik Intl

lun. 12/8

10:00 am-5:46 pm

2 stops38h 46m

$612

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

mié. 1/21

4:20 pm-2:15 pm

1 stop14h 55m

Reykjavik Keflavik Intl

mar. 1/27

3:20 pm-1:40 pm

1 stop29h 20m

$614

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

jue. 11/27

11:15 am-1:20 pm

2 stops43h 05m

Reykjavik Keflavik Intl

mar. 12/2

3:20 pm-4:00 pm

1 stop31h 40m

$623

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

vie. 5/1

12:20 pm-9:30 am

1 stop15h 10m

Reykjavik Keflavik Intl

vie. 5/8

8:50 am-5:31 pm

1 stop14h 41m

$630

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 cheapest month to fly to Reykjavik Keflavik Intl Airport?

The month of October is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from Denver, with most prices found around $552. If you’re not able to fly to Reykjavik Keflavik Intl Airport in October, then February is your next best option. Flight prices from Denver to Reykjavik Keflavik Intl Airport during February average around $567.

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 Wednesday when prices can be found for as low as $587. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Saturday, with ticket prices averaging around $657.

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 $602. Flights at noon are often more expensive with an average ticket price of $762.

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 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 $628 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 $559 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between Denver to Reykjavik Keflavik Intl Airport.

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

As of November 2025, prices for Denver to Reykjavik Keflavik Intl Airport flights are approximately 46% 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

$414

Fastest flight time

7h 20m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from Denver in the past 72 hours is $414. The best round-trip flight deal from Denver to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $476.
The fastest flight from Denver to Reykjavik Keflavik Intl Airport takes 7h 20m
Direct flights go from Denver to Reykjavik Keflavik Intl Airport every day.
Search flight deals

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

    Reykjavik Keflavik Intl is 3572.3 mi away from Denver Intl. 7h 20m 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
IcelandairPriceFrom $442Free CancellationRating
7.1
572 reviews
Search Icelandair flights

  • Icelandair Flights From Denver to Reykjavik Keflavik Intl Airport

    Across 5 Icelandair flights from Denver to Reykjavik Keflavik Intl Airport this week, the average price was $628, with the best Icelandair deals starting from $442 round-trip. 572 users have rated Icelandair on momondo, with an average score of 7.1/10.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
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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