Icelandair flight FI 644: Dulles, Washington - Keflavik, Reykjavik

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2024-11-03 through 2024-12-22
The flight arrives 1 day after departure.
Mon,Fri-Sun 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2024-12-23 through 2024-12-30
The flight arrives 1 day after departure.
Tue-Thu 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2024-12-26 through 2025-01-02
The flight arrives 1 day after departure.
Thu,Fri 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2025-01-03 through 2025-01-10
The flight arrives 1 day after departure.
Mon-Wed,Sat,Sun 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2025-01-04 through 2025-01-08
The flight arrives 1 day after departure.
Mon,Tue,Sat,Sun 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2025-01-11 through 2025-01-21
The flight arrives 1 day after departure.
Wed-Fri 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2025-01-15 through 2025-01-17
The flight arrives 1 day after departure.
Wed-Sun 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2025-01-22 through 2025-01-26
The flight arrives 1 day after departure.
Mon-Fri,Sun 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2025-01-27 through 2025-02-05
The flight arrives 1 day after departure.
Thu-Sat 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2025-02-01 through 2025-02-22
The flight arrives 1 day after departure.
Mon-Wed,Sun 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2025-02-09 through 2025-02-26
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sun 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2025-02-27 through 2025-03-05
The flight arrives 1 day after departure.
Tue,Thu-Sat 19:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2025-02-28 through 2025-03-08
The flight arrives 1 day after departure.
Wed,Thu 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Valid until 2024-09-04
The flight arrives 1 day after departure.
Mon,Tue,Thu-Sun 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Valid until 2024-09-10
The flight arrives 1 day after departure.
Mon-Sat 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2024-09-11 through 2024-09-23
The flight arrives 1 day after departure.
Sun 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2024-09-15 through 2024-09-22
The flight arrives 1 day after departure.
Daily 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2024-09-24 through 2024-10-08
The flight arrives 1 day after departure.
Wed,Sat,Sun 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2024-10-09 through 2024-10-16
The flight arrives 1 day after departure.
Mon,Tue,Thu,Fri 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2024-10-10 through 2024-10-17
The flight arrives 1 day after departure.
Mon-Fri 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2024-10-18 through 2024-10-25
The flight arrives 1 day after departure.
Sat,Sun 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2024-10-19 through 2024-10-20
The flight arrives 1 day after departure.
Daily 20:30 Dulles, Washington (IAD) 06:25 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective from 2025-03-29
The flight arrives 1 day after departure.
Sat 20:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Operates only on 2024-10-26
The flight arrives 1 day after departure.
Daily 20:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2024-10-27 through 2024-11-02
The flight arrives 1 day after departure.
Mon-Wed,Sun 20:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2025-03-09 through 2025-03-25
The flight arrives 1 day after departure.
Thu-Sat 20:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2025-03-13 through 2025-03-22
The flight arrives 1 day after departure.
Wed-Fri 20:40 Dulles, Washington (IAD) 06:35 Keflavik, Reykjavik (KEF)
FI 644 Non-stop Boeing 737 MAX 9 (7M9) 5:55 Effective 2025-03-26 through 2025-03-28
The flight arrives 1 day after departure.


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Icelandair flight FI 644:
Dulles, Washington - Keflavik, Reykjavik
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-11-03 through 2024-12-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-12-23 through 2024-12-30
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-12-26 through 2025-01-02
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-01-03 through 2025-01-10
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-01-04 through 2025-01-08
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-01-11 through 2025-01-21
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-01-15 through 2025-01-17
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-01-22 through 2025-01-26
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-01-27 through 2025-02-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-02-01 through 2025-02-22
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-02-09 through 2025-02-26
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-02-27 through 2025-03-05
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
19:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-02-28 through 2025-03-08
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Valid until 2024-09-04
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Valid until 2024-09-10
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-09-11 through 2024-09-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-09-15 through 2024-09-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-09-24 through 2024-10-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-10-09 through 2024-10-16
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-10-10 through 2024-10-17
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-10-18 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-10-19 through 2024-10-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
20:30
Dulles, Washington (IAD)

06:25(+1)
Keflavik, Reykjavik (KEF)
Effective from 2025-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
20:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Operates only on 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
20:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2024-10-27 through 2024-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
20:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-03-09 through 2025-03-25
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI644
20:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-03-13 through 2025-03-22
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI644
20:40
Dulles, Washington (IAD)

06:35(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-03-26 through 2025-03-28
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
  • FI 644 is an international flight departing from Dulles, Washington airport, United States (IAD) and arriving at Keflavik, Reykjavik airport, Iceland (KEF).
  • The flight distance is 2791 miles, or 4491 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC+0 . 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 is 5:55.
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