All airlines flying from Keflavik, Reykjavik (KEF) to Seattle-Tacoma (SEA).
FLIGHT SCHEDULE
Direct Flights:
Effective 2026-06-21 through 2026-06-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Effective 2026-05-29 through 2026-06-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Effective 2026-06-28 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:05, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Effective 2026-05-21 through 2026-09-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Effective 2026-09-14 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:05, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Valid until 2026-01-08
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Duration: 8:00, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Operates only on 2026-01-02
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Duration: 8:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Effective 2026-01-09 through 2026-02-01
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:00, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Effective 2026-01-12 through 2026-01-26
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 8:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Effective 2026-02-02 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:00, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:00, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:00, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Operates only on 2026-03-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 7:55, non-stop
Boeing 757-200 (75W)
Boeing 757-200 (75W)
Direct Flights:
Effective 2026-03-29 through 2026-05-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Effective 2026-05-20 through 2026-09-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 7:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Effective 2026-09-14 through 2026-10-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Effective 2026-10-14 through 2026-10-24
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Effective from 2026-10-26
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 7:55, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Effective 2026-03-27 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Duration: 7:55, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Operates only on 2026-10-25
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
Effective 2026-05-21 through 2026-09-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:05, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective 2026-05-21 through 2026-09-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:05, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Effective 2026-09-14 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:05, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Valid until 2026-01-08
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Operates only on 2026-01-02
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Effective 2026-01-09 through 2026-02-01
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective 2026-01-12 through 2026-01-26
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Effective 2026-02-02 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Operates only on 2026-03-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Icelandair.
(FI 683)
Duration: 7:55, non-stop Boeing 757-200 (75W)
Direct Codeshare Flights:
Effective 2026-03-29 through 2026-05-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 683)
Duration: 7:55, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective 2026-05-20 through 2026-09-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Icelandair.
(FI 683)
Duration: 7:55, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Effective 2026-09-14 through 2026-10-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 683)
Duration: 7:55, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective 2026-10-14 through 2026-10-24
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 683)
Duration: 7:55, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective 2026-03-27 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by Icelandair.
(FI 683)
Duration: 7:55, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Operates only on 2026-10-25
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by Icelandair.
(FI 683)
Duration: 7:55, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective 2026-05-21 through 2026-09-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair.
(FI 685)
Duration: 8:05, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Valid until 2026-03-07
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective 2026-03-10 through 2026-03-24
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Effective from 2026-10-27
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Icelandair.
(FI 681)
Duration: 8:00, non-stop Airbus A321neo (32Q)
- An international route departing from Keflavik, Reykjavik airport, Iceland (KEF) and arriving at Seattle-Tacoma airport, United States (SEA).
- The flight distance is 3609 miles, or 5807 km.
- The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-8 . 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 8:05.