Icelandair flights from Frankfurt (FRA) to Keflavik, Reykjavik (KEF).

FLIGHT SCHEDULE
Direct Flights:
Mon-Thu 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Valid until 2026-01-08
Fri 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 9 (7M9) 3:50 Operates only on 2026-01-02
Sat,Sun 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Airbus A321neo (32Q) 3:50 Effective 2026-01-03 through 2026-01-04
Daily 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-01-09 through 2026-01-19
Daily 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-01-21 through 2026-02-20
Sat 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 9 (7M9) 3:50 Operates only on 2026-02-21
Daily 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-02-22 through 2026-03-04
Thu-Sun 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Airbus A321neo (32Q) 3:50 Effective 2026-03-05 through 2026-03-26
Mon-Wed 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-03-09 through 2026-03-25
Fri 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Operates only on 2026-03-27
Sat 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 757-200 (75W) 3:50 Operates only on 2026-03-28
Thu,Sun 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Airbus A321neo (32Q) 3:50 Effective from 2026-10-25
Mon-Wed,Fri,Sat 13:05 Frankfurt (FRA) 2 15:55 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective from 2026-10-26
Mon,Sat,Sun 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 757-200 (75W) 3:45 Effective 2026-03-29 through 2026-04-05
Tue-Thu 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 9 (7M9) 3:45 Effective 2026-03-31 through 2026-04-02
Mon,Tue,Fri 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Airbus A321neo (32Q) 3:45 Effective 2026-04-03 through 2026-04-07
Tue-Thu 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 9 (7M9) 3:45 Effective 2026-04-08 through 2026-04-16
Fri-Sun 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 757-200 (75W) 3:45 Effective 2026-04-10 through 2026-04-12
Mon 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Airbus A321neo (32Q) 3:45 Effective 2026-04-13 through 2026-05-11
Tue,Thu-Sun 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 9 (7M9) 3:45 Effective 2026-04-17 through 2026-04-28
Wed 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2026-04-22
Tue-Sun 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 9 (7M9) 3:45 Effective 2026-04-29 through 2026-05-17
Mon,Tue,Sat 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-05-18 through 2026-05-23
Wed 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 9 (7M9) 3:45 Operates only on 2026-05-20
Thu 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 757-200 (75W) 3:45 Operates only on 2026-05-21
Mon,Wed,Fri,Sun 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Airbus A321neo (32Q) 3:45 Effective 2026-05-22 through 2026-10-21
Tue,Thu,Sat 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-05-26 through 2026-05-30
Tue 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 757-200 (75W) 3:45 Operates only on 2026-06-02
Tue,Thu,Sat 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-06-04 through 2026-10-24
Fri 14:00 Frankfurt (FRA) 2 15:45 Keflavik, Reykjavik (KEF) Icelandair FI 521 Non-stop Boeing 737 MAX 9 (7M9) 3:45 Operates only on 2026-10-23
Tue,Thu,Sat,Sun 17:20 Frankfurt (FRA) 2 18:55 Keflavik, Reykjavik (KEF) Icelandair FI 523 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-03-31 through 2026-04-30
Tue,Thu,Sun 17:20 Frankfurt (FRA) 2 18:55 Keflavik, Reykjavik (KEF) Icelandair FI 523 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-05-03 through 2026-05-14
Tue,Sat,Sun 17:20 Frankfurt (FRA) 2 18:55 Keflavik, Reykjavik (KEF) Icelandair FI 523 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-05-16 through 2026-05-19
Mon,Wed,Fri,Sun 07:25 Frankfurt (FRA) 2 09:10 Keflavik, Reykjavik (KEF) Icelandair FI 525 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-05-22 through 2026-09-06
Tue,Thu,Sat 07:25 Frankfurt (FRA) 2 09:10 Keflavik, Reykjavik (KEF) Icelandair FI 525 Non-stop Airbus A321neo (32Q) 3:45 Effective 2026-05-23 through 2026-09-12

An international route departing from Frankfurt airport, Germany (FRA) and arriving at Keflavik, Reykjavik airport, Iceland (KEF).
The flight distance is 1491 miles, or 2399 km.
The timezone of the departure airport is UTC+1 , 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 3:35 and 3:50.

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FLIGHT SCHEDULE

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Valid until 2026-01-08

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Operates only on 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Effective 2026-01-03 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 3:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Effective 2026-01-09 through 2026-01-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Effective 2026-01-21 through 2026-02-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Operates only on 2026-02-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Effective 2026-02-22 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Effective 2026-03-05 through 2026-03-26

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Effective 2026-03-09 through 2026-03-25

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Operates only on 2026-03-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Operates only on 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:50, non-stop
Boeing 757-200 (75W)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Effective from 2026-10-25

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 3:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

Icelandair FI521

13:05

Frankfurt (FRA) 2

15:55

Keflavik, Reykjavik (KEF)

Effective from 2026-10-26

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-03-29 through 2026-04-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 3:45, non-stop
Boeing 757-200 (75W)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-03-31 through 2026-04-02

Mon
-

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-04-03 through 2026-04-07

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Airbus A321neo (32Q)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-04-08 through 2026-04-16

Mon
-

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-04-10 through 2026-04-12

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 3:45, non-stop
Boeing 757-200 (75W)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-04-13 through 2026-05-11

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Airbus A321neo (32Q)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-04-17 through 2026-04-28

Mon
-

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Operates only on 2026-04-22

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-04-29 through 2026-05-17

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-05-18 through 2026-05-23

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Operates only on 2026-05-20

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Operates only on 2026-05-21

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 757-200 (75W)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-05-22 through 2026-10-21

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Airbus A321neo (32Q)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-05-26 through 2026-05-30

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Operates only on 2026-06-02

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 757-200 (75W)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Effective 2026-06-04 through 2026-10-24

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI521

14:00

Frankfurt (FRA) 2

15:45

Keflavik, Reykjavik (KEF)

Operates only on 2026-10-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Icelandair FI523

17:20

Frankfurt (FRA) 2

18:55

Keflavik, Reykjavik (KEF)

Effective 2026-03-31 through 2026-04-30

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI523

17:20

Frankfurt (FRA) 2

18:55

Keflavik, Reykjavik (KEF)

Effective 2026-05-03 through 2026-05-14

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI523

17:20

Frankfurt (FRA) 2

18:55

Keflavik, Reykjavik (KEF)

Effective 2026-05-16 through 2026-05-19

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI525

07:25

Frankfurt (FRA) 2

09:10

Keflavik, Reykjavik (KEF)

Effective 2026-05-22 through 2026-09-06

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Icelandair FI525

07:25

Frankfurt (FRA) 2

09:10

Keflavik, Reykjavik (KEF)

Effective 2026-05-23 through 2026-09-12

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Airbus A321neo (32Q)

An international route departing from Frankfurt airport, Germany (FRA) and arriving at Keflavik, Reykjavik airport, Iceland (KEF).
The flight distance is 1491 miles, or 2399 km.
The timezone of the departure airport is UTC+1 , 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 3:35 and 3:50.

All FRA-KEF flights

All Icelandair flights

Return (KEF-FRA) flights

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