All airlines flying from Keflavik, Reykjavik (KEF) to Denver (DEN).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Wed-Fri,Sun 16:50 Keflavik, Reykjavik (KEF) 19:00 Denver (DEN)
Icelandair FI 671 Non-stop Boeing 757-200 (75W) 8:10 Effective 2026-03-29 through 2026-05-04
Daily 16:50 Keflavik, Reykjavik (KEF) 19:00 Denver (DEN)
Icelandair FI 671 Non-stop Boeing 757-200 (75W) 8:10 Effective 2026-05-05 through 2026-10-24
Mon,Thu,Sat,Sun 16:55 Keflavik, Reykjavik (KEF) 18:05 Denver (DEN)
Icelandair FI 671 Non-stop Boeing 737 MAX 8 (7M8) 8:10 Valid until 2026-01-05
Tue,Thu,Sat,Sun 16:55 Keflavik, Reykjavik (KEF) 18:05 Denver (DEN)
Icelandair FI 671 Non-stop Boeing 737 MAX 8 (7M8) 8:10 Effective 2026-01-06 through 2026-02-19
Mon,Wed-Fri,Sun 16:55 Keflavik, Reykjavik (KEF) 18:05 Denver (DEN)
Icelandair FI 671 Non-stop Boeing 737 MAX 8 (7M8) 8:10 Effective 2026-02-20 through 2026-03-06
Mon,Wed-Fri,Sun 16:55 Keflavik, Reykjavik (KEF) 19:05 Denver (DEN)
Icelandair FI 671 Non-stop Boeing 737 MAX 8 (7M8) 8:10 Effective 2026-03-08 through 2026-03-25
Thu,Fri 16:55 Keflavik, Reykjavik (KEF) 19:05 Denver (DEN)
Icelandair FI 671 Non-stop Boeing 757-200 (75W) 8:10 Effective 2026-03-26 through 2026-03-27
Mon,Wed-Sun 16:55 Keflavik, Reykjavik (KEF) 19:05 Denver (DEN)
Icelandair FI 671 Non-stop Boeing 757-200 (75W) 8:10 Effective from 2026-10-25
Daily 10:30 Keflavik, Reykjavik (KEF) 12:25 Denver (DEN)
Icelandair FI 673 Non-stop Boeing 757-200 (75W) 7:55 Effective 2026-05-21 through 2026-09-06
Thu-Sun 10:30 Keflavik, Reykjavik (KEF) 12:25 Denver (DEN)
Icelandair FI 673 Non-stop Boeing 757-200 (75W) 7:55 Effective 2026-09-10 through 2026-09-13
Direct Codeshare Flights:
Tue,Sat 16:55 Keflavik, Reykjavik (KEF) 18:05 Denver (DEN)
Air Baltic BT 6274 Non-stop Boeing 737 MAX 8 (7M8) 8:10 Effective 2026-01-03 through 2026-02-17
Codeshare flight, operated by Icelandair.(FI 671)


All airlines flying from Keflavik, Reykjavik (KEF) to Denver (DEN).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2026-03-29 through 2026-05-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 8:10, non-stop
Boeing 757-200 (75W)

Direct Flights:

Effective 2026-05-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:10, non-stop
Boeing 757-200 (75W)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 8:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-01-06 through 2026-02-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 8:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-02-20 through 2026-03-06
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 8:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-03-08 through 2026-03-25
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 8:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-03-26 through 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 8:10, non-stop
Boeing 757-200 (75W)

Direct Flights:

Effective from 2026-10-25
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 8:10, non-stop
Boeing 757-200 (75W)

Direct Flights:

Effective 2026-05-21 through 2026-09-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Boeing 757-200 (75W)

Direct Flights:

Effective 2026-09-10 through 2026-09-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Boeing 757-200 (75W)

Direct Codeshare Flights:

Effective 2026-01-03 through 2026-02-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Icelandair. (FI 671)
Duration: 8:10, non-stop
Boeing 737 MAX 8 (7M8)
  • An international route departing from Keflavik, Reykjavik airport, Iceland (KEF) and arriving at Denver airport, United States (DEN).
  • The flight distance is 3556 miles, or 5723 km.
  • The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 7:55 and 8:10.