€407 Cheap Flights Denver to Reykjavik (DEN-KEF)

View €407 flight on Sun, 14 Jun 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Reykjavik–Keflavik Intl. Airport (KEF)

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Cheap flights from Denver to Reykjavik (DEN-KEF)

Prices were available within the past 7 days and start at €407 for one-way flights and €511 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 25 May - Sun, 31 May
DEN
Denver
KEF
Reykjavik
€511 Return, found 5 days ago
€511
Return
found 5 days ago
Select Icelandair flight, departing Mon, 25 May from Denver to Reykjavik, returning Sun, 31 May, priced at €511 found 5 days ago
Alaska Airlines
Sat, 25 Apr - Wed, 29 Apr
DEN
Denver
KEF
Reykjavik
€644 Return, found 2 days ago
€644
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 25 Apr from Denver to Reykjavik, returning Wed, 29 Apr, priced at €644 found 2 days ago
Virgin Atlantic
Mon, 13 Apr - Wed, 22 Apr
DEN
Denver
KEF
Reykjavik
€686 Return, found 16 hours ago
€686
Return
found 16 hours ago
Select Virgin Atlantic flight, departing Mon, 13 Apr from Denver to Reykjavik, returning Wed, 22 Apr, priced at €686 found 16 hours ago
Delta
Mon, 13 Apr - Wed, 22 Apr
DEN
Denver
KEF
Reykjavik
€686 Return, found 16 hours ago
€686
Return
found 16 hours ago
Select Delta flight, departing Mon, 13 Apr from Denver to Reykjavik, returning Wed, 22 Apr, priced at €686 found 16 hours ago
Delta
Mon, 13 Apr - Wed, 22 Apr
DEN
Denver
KEF
Reykjavik
€710 Return, found 16 hours ago
€710
Return
found 16 hours ago
Select Delta flight, departing Mon, 13 Apr from Denver to Reykjavik, returning Wed, 22 Apr, priced at €710 found 16 hours ago
KLM
Mon, 13 Apr - Wed, 22 Apr
DEN
Denver
KEF
Reykjavik
€734 Return, found 16 hours ago
€734
Return
found 16 hours ago
Select KLM flight, departing Mon, 13 Apr from Denver to Reykjavik, returning Wed, 22 Apr, priced at €734 found 16 hours ago
Delta
Mon, 13 Apr - Wed, 22 Apr
DEN
Denver
KEF
Reykjavik
€753 Return, found 16 hours ago
€753
Return
found 16 hours ago
Select Delta flight, departing Mon, 13 Apr from Denver to Reykjavik, returning Wed, 22 Apr, priced at €753 found 16 hours ago
Delta
Mon, 13 Apr - Wed, 22 Apr
DEN
Denver
KEF
Reykjavik
€777 Return, found 16 hours ago
€777
Return
found 16 hours ago
Select Delta flight, departing Mon, 13 Apr from Denver to Reykjavik, returning Wed, 22 Apr, priced at €777 found 16 hours ago
Delta
Sat, 25 Apr - Wed, 29 Apr
DEN
Denver
KEF
Reykjavik
€839 Return, found 2 days ago
€839
Return
found 2 days ago
Select Delta flight, departing Sat, 25 Apr from Denver to Reykjavik, returning Wed, 29 Apr, priced at €839 found 2 days ago
Air France
Mon, 13 Apr - Wed, 22 Apr
DEN
Denver
KEF
Reykjavik
€844 Return, found 16 hours ago
€844
Return
found 16 hours ago
Select Air France flight, departing Mon, 13 Apr from Denver to Reykjavik, returning Wed, 22 Apr, priced at €844 found 16 hours ago

Frequently asked questions

How much is a flight from DEN to Keflavik Intl. Airport (KEF)?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Denver Intl. Airport (DEN) to KEF start from €511. Make your booking today to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DEN to Reykjavík–Keflavík Airport?
When it comes to cancellation fees, each airline has different terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Denver Airport to KEF that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Denver Airport to Keflavik Intl. Airport (KEF) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Denver Airport to Reykjavík–Keflavík Airport?
With a flight distance of 5,700 kilometres from Denver Airport (DEN) to KEF (KEF), this is a long-haul flight. Make sure you keep well hydrated and move around the cabin every so often.
Which airlines fly direct from DEN to Keflavik Intl. Airport (KEF)?
A favourite with many frequent travellers, Icelandair (FI) operates 26 flights every month from DIA airport to KEF. Pick the one that suits your travel plans and book your fare today.
Are DEN to Keflavik Intl. Airport (KEF) flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so there are no guarantees. While last-minute deals between Denver Intl. Airport (DEN) and Keflavik Intl. Airport (KEF) are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some carriers release their prices up to a year prior to the departure date. Expedia is continuously updating the best bargains around, so keep checking back and be ready to secure your seat when fare prices drop.

Travel information

Origin airport
Denver Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air France, Delta, Finnair, Icelandair, KLM, Virgin Atlantic
Return price
€510
Distance
5693 km
Average flight time
6 hours 20 mins

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