Icelandair flights from Chicago O'Hare (ORD) to Keflavik, Reykjavik (KEF).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 18:30 Chicago O'Hare (ORD) 5 06:45 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Effective from 2025-11-02
The flight arrives 1 day after departure.
Mon,Wed,Fri 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 8 (7M8) 6:15 Valid until 2025-05-05
The flight arrives 1 day after departure.
Tue,Thu,Sat,Sun 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Valid until 2025-05-04
The flight arrives 1 day after departure.
Mon-Wed,Sat 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 8 (7M8) 6:15 Effective 2025-05-06 through 2025-05-12
The flight arrives 1 day after departure.
Tue,Thu,Fri,Sun 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Effective 2025-05-08 through 2025-05-15
The flight arrives 1 day after departure.
Mon-Wed,Fri-Sun 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 8 (7M8) 6:15 Effective 2025-05-14 through 2025-05-21
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Effective 2025-05-22 through 2025-05-29
The flight arrives 1 day after departure.
Tue,Wed,Fri,Sat 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 8 (7M8) 6:15 Effective 2025-05-24 through 2025-05-30
The flight arrives 1 day after departure.
Daily 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Effective 2025-05-31 through 2025-09-07
The flight arrives 1 day after departure.
Mon 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 8 (7M8) 6:15 Operates only on 2025-09-08
The flight arrives 1 day after departure.
Daily 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Effective 2025-09-09 through 2025-09-18
The flight arrives 1 day after departure.
Mon,Fri 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 8 (7M8) 6:15 Effective 2025-09-19 through 2025-09-22
The flight arrives 1 day after departure.
Tue-Sun 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Effective 2025-09-20 through 2025-09-28
The flight arrives 1 day after departure.
Mon-Wed,Fri-Sun 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Effective 2025-09-29 through 2025-10-08
The flight arrives 1 day after departure.
Thu 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 8 (7M8) 6:15 Operates only on 2025-10-02
The flight arrives 1 day after departure.
Daily 19:25 Chicago O'Hare (ORD) 5 06:40 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Effective 2025-10-09 through 2025-10-24
The flight arrives 1 day after departure.
Daily 19:30 Chicago O'Hare (ORD) 5 06:45 Keflavik, Reykjavik (KEF)
Icelandair FI 852 Non-stop Boeing 737 MAX 9 (7M9) 6:15 Effective 2025-10-25 through 2025-11-01
The flight arrives 1 day after departure.
Wed,Fri,Sun 22:15 Chicago O'Hare (ORD) 5 09:20 Keflavik, Reykjavik (KEF)
Icelandair FI 856 Non-stop Boeing 737 MAX 8 (7M8) 6:05 Valid until 2025-05-07
The flight arrives 1 day after departure.
Wed-Fri,Sun 22:15 Chicago O'Hare (ORD) 5 09:20 Keflavik, Reykjavik (KEF)
Icelandair FI 856 Non-stop Boeing 737 MAX 8 (7M8) 6:05 Effective 2025-05-11 through 2025-05-18
The flight arrives 1 day after departure.
Daily 22:15 Chicago O'Hare (ORD) 5 09:20 Keflavik, Reykjavik (KEF)
Icelandair FI 856 Non-stop Boeing 737 MAX 8 (7M8) 6:05 Effective 2025-05-19 through 2025-09-07
The flight arrives 1 day after departure.
Wed-Fri,Sun 22:15 Chicago O'Hare (ORD) 5 09:20 Keflavik, Reykjavik (KEF)
Icelandair FI 856 Non-stop Boeing 737 MAX 8 (7M8) 6:05 Effective 2025-09-10 through 2025-09-24
The flight arrives 1 day after departure.
Wed,Fri,Sun 22:15 Chicago O'Hare (ORD) 5 09:20 Keflavik, Reykjavik (KEF)
Icelandair FI 856 Non-stop Boeing 737 MAX 8 (7M8) 6:05 Effective 2025-09-26 through 2025-10-26
The flight arrives 1 day after departure.




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Icelandair flights from Chicago O'Hare (ORD) to Keflavik, Reykjavik (KEF).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Icelandair FI852
18:30
Chicago O'Hare (ORD) 5

06:45(+1)
Keflavik, Reykjavik (KEF)
Effective from 2025-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Valid until 2025-05-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 6:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Valid until 2025-05-04
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-05-06 through 2025-05-12
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-05-08 through 2025-05-15
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-05-14 through 2025-05-21
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-05-22 through 2025-05-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-05-24 through 2025-05-30
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 6:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-05-31 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Operates only on 2025-09-08
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-09-09 through 2025-09-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-09-19 through 2025-09-22
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 6:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-09-20 through 2025-09-28
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-09-29 through 2025-10-08
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Operates only on 2025-10-02
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI852
19:25
Chicago O'Hare (ORD) 5

06:40(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-10-09 through 2025-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI852
19:30
Chicago O'Hare (ORD) 5

06:45(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-10-25 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Icelandair FI856
22:15
Chicago O'Hare (ORD) 5

09:20(+1)
Keflavik, Reykjavik (KEF)
Valid until 2025-05-07
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 6:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI856
22:15
Chicago O'Hare (ORD) 5

09:20(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI856
22:15
Chicago O'Hare (ORD) 5

09:20(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-05-19 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI856
22:15
Chicago O'Hare (ORD) 5

09:20(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-09-10 through 2025-09-24
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Icelandair FI856
22:15
Chicago O'Hare (ORD) 5

09:20(+1)
Keflavik, Reykjavik (KEF)
Effective 2025-09-26 through 2025-10-26
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 6:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
  • An international route departing from Chicago O'Hare airport, United States (ORD) and arriving at Keflavik, Reykjavik airport, Iceland (KEF).
  • The flight distance is 2934 miles, or 4722 km.
  • The timezone of the departure airport is UTC-6 , 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 varies between 6:05 and 6:15.
All ORD-KEF flights
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