Cheap flights from Denver (DEN) to Keflavik Intl (KEF) from $237

This is the cheapest one-way flight price, found on 9/24. Prices may vary by date and flight preferences.
DEN — KEF
Sep 30 — Oct 71

How to find the cheapest flight from Denver (DEN) to Keflavik Intl (KEF)

All the information you need to plan the best DEN to KEF flight in 2023: compare Denver to Keflavik Intl flight prices with the expected peak season, weather and rainfall in Keflavik Intl.

Popular in

February

Cheapest in

October

Average price

$560

Round-trip from

$404
High demand for flights, 29% potential price rise
Best time to find cheap flights, 76% potential price drop
Average for round-trip flights in September 2023
From Denver Intl to Reykjavik Keflavik Intl

DEN - KEF

Price

$404 - $968

KEF

Temperature

32 - 51.8 °F

KEF

Rainfall

1.6 - 3.1 inches

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

Find a great deal and save up to 16% by booking at least 45 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Denver to Reykjavik Keflavik Intl Airport within the next two weeks, with the cheapest ticket starting at $867.

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

October can be a great time to fly to Reykjavik Keflavik Intl Airport from Denver with a flight ticket averaging about $718. Cheapflights users have found deals in the month of October for as cheap as $543. The most expensive prices can be found in the month of March.

When is the cheapest time to fly from Denver to Reykjavik Keflavik Intl Airport (DEN - KEF)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Reykjavik Keflavik Intl Airport as you normally would.

Cheap Lufthansa flights from Denver to Keflavik Intl

Peruse some of the lowest-priced Lufthansa flights we've found from Denver to Reykjavik. Come back soon if you're not finding the exact deal you're looking for.

Cheap British Airways flights from Denver to Keflavik Intl

Have a look at some of the cheapest available British Airways flights departing from Denver and landing in Reykjavik. Deals are refreshing constantly so come back soon for more options.

Cheap Denver to Keflavik Intl flights in September & October 2023

The best prices found for DEN to KEF flights for September, October
Check out some of the best flight deals from Denver to Reykjavik in 2023. For more flight deals, be sure to check back very soon.

Denver to Keflavik Intl 2023 flight deals

Cheap flights to Keflavik Intl from Denver found for this year
Check out some of the best flight deals from Denver to Reykjavik in 2023. For more flight deals, be sure to check back very soon.

Non-stop flights to Keflavik Intl from Denver

Save time with Denver to Keflavik Intl direct flight deals
Take a look at some of the direct flights traveling from Denver to Reykjavik in the near future. Select from other flights from Denver to Reykjavik by using the search form above.

Denver to Keflavik Intl flights leaving soon

Late deals on return flights to Keflavik Intl from Denver, departing today and this week
Book one of these great deals on flights from Denver to Reykjavik. It's wise to confirm all flight details are correct before booking.

One-way flights to Keflavik Intl from Denver

The cheapest one-way flights from Denver to Keflavik Intl
Take a look at some of the one-way flights we've detected from Denver to Reykjavik. Users in need of a round-trip flight from Denver to Reykjavik instead should update the search form at the top of page.

Find flights from Denver to Keflavik Intl within your budget

Use the slider to find flights from Denver to Keflavik Intl that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$370 - $669

Route

Depart

Return

Price

Denver IntlReykjavik Keflavik Intl

DEN - KEF

DENKEF

Denver Intl

Tue 10/24

1 stop27h 45m

Reykjavik Keflavik Intl

Mon 10/30

2 stops37h 55m

Denver IntlReykjavik Keflavik Intl

DEN - KEF

DENKEF

Denver Intl

Tue 10/24

1 stop27h 45m

Reykjavik Keflavik Intl

Fri 10/27

2 stops32h 55m

Denver IntlReykjavik Keflavik Intl

DEN - KEF

DENKEF

Denver Intl

Tue 10/24

1 stop27h 45m

Reykjavik Keflavik Intl

Tue 10/31

1 stop34h 18m

Denver IntlReykjavik Keflavik Intl

DEN - KEF

DENKEF

Denver Intl

Sat 10/21

1 stop27h 35m

Reykjavik Keflavik Intl

Mon 10/30

2 stops37h 55m

Denver IntlReykjavik Keflavik Intl

DEN - KEF

DENKEF

Denver Intl

Tue 10/17

2 stops29h 01m

Reykjavik Keflavik Intl

Tue 10/24

1 stop15h 02m

Denver IntlReykjavik Keflavik Intl

DEN - KEF

DENKEF

Denver Intl

Tue 12/5

Nonstop7h 25m

Reykjavik Keflavik Intl

Mon 12/11

Nonstop8h 10m

Denver IntlReykjavik Keflavik Intl

DEN - KEF

DENKEF

Denver Intl

Tue 10/24

1 stop32h 10m

Reykjavik Keflavik Intl

Mon 10/30

1 stop34h 30m

Denver IntlReykjavik Keflavik Intl

DEN - KEF

DENKEF

Denver Intl

Tue 10/17

2 stops38h 05m

Reykjavik Keflavik Intl

Tue 10/24

2 stops21h 09m

Denver IntlReykjavik Keflavik Intl

DEN - KEF

DENKEF

Denver Intl

Fri 1/26

2 stops37h 14m

Reykjavik Keflavik Intl

Tue 2/6

2 stops30h 35m

Flights are sorted by cheapest first

Deals found on 9/24

Reviews of airlines servicing Keflavik Intl

Read reviews from past customers who have flown Lufthansa, British Airways and KLM from Denver to Reykjavik. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Entertainment

7.2

Crew

8.6

Food

7.2

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Entertainment

7.2

Crew

8.6

Food

7.2

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

Delta
7.9
Good
3,021 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Entertainment

7.2

Crew

8.6

Food

7.2

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

Air France
7.6
Good
274 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Entertainment

7.2

Crew

8.6

Food

7.2

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

KLM
7.5
Good
196 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Entertainment

7.2

Crew

8.6

Food

7.2

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

SWISS
7.4
Good
456 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Entertainment

7.2

Crew

8.6

Food

7.2

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!

Related info for your journey

Useful info, stats and facts about Denver to Keflavik Intl flights.

What airport do you fly from for flights from Denver to Reykjavik Keflavik Intl?

Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Reykjavik Keflavik Intl. 4 airlines have flights from Denver Intl to Reykjavik Keflavik Intl on a regular basis. Booking flights from Denver Intl to Reykjavik Keflavik Intl should not be difficult; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day.

Can I find flights from Denver to Reykjavik Keflavik Intl Airport for under $400 on Cheapflights?

Yes, there are multiple flights from Denver to Reykjavik Keflavik Intl Airport for under $400. The cheapest flight booked recently is on Multiple Airlines for just $370, but on average you can expect to pay $403.

Are there nonstop flights from Denver to Reykjavik Keflavik Intl Airport for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver to Reykjavik Keflavik Intl Airport under $600. A good price for a nonstop flight from Denver to Reykjavik Keflavik Intl Airport is less than $614.

Are there last-minute flights available from Denver to Reykjavik Keflavik Intl Airport for under $600?

There are currently 20+ open flights from Denver to Reykjavik Keflavik Intl Airport within the next 7 days for less than $600.

What days are nonstop flights available from Denver to Reykjavik Keflavik Intl Airport?

Days when nonstop flights are available for this flight are: Monday, Tuesday.

How many flights depart from Denver to Reykjavik Keflavik Intl Airport on average per day?

Travelers can expect 2 flights from Denver to Reykjavik Keflavik Intl Airport on average per day.
Afternoon (Noon - 6pm) - 100% of flight departures

What are the cheapest airlines to fly from Denver to Reykjavik Keflavik Intl Airport one-way?

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $438. However, be on the lookout for offers from Alaska Airlines and American Airlines, as they are both options that can get you from Denver to Reykjavik Keflavik Intl Airport for a low price.

What are the most popular airlines that fly from Denver to Reykjavik Keflavik Intl Airport?

What are the cheapest flights from Denver to Reykjavik Keflavik Intl Airport?

On average you can expect to pay $1,398 for a flight from Denver to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $341 while the most popular route, (Denver Intl - Reykjavik Keflavik Intl) is currently priced at $370.

What does DEN to KEF mean?

This is defined as Denver Intl Airport (DEN) and Reykjavik Keflavik Intl Airport (KEF). Codes like Reykjavik Keflavik Intl Airport are often used to just call airports uniquely.

Top 4 airlines flying from Denver to Keflavik Intl

The chart below displays the airlines Cheapflights users traveling from Denver to Keflavik Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$560Average$716FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest$641Average$914FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$738Average$841FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$738Average$907FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Hourly flight availability from Denver to Keflavik Intl

See what time of day planes typically take off from Denver to Keflavik Intl
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
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