All airlines flying from Keflavik, Reykjavik (KEF) to Seattle-Tacoma (SEA).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Boeing 767 (76W) 8:00 Valid until 2025-05-12
Tue 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Boeing 757-200 (75W) 8:00 Operates only on 2025-05-13
Mon,Wed-Sun 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Boeing 767 (76W) 8:00 Effective 2025-05-14 through 2025-05-19
Daily 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Airbus A321neo (32Q) 8:00 Effective 2025-05-20 through 2025-05-31
Wed,Sun 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Boeing 757-200 (75W) 8:00 Effective 2025-06-01 through 2025-06-04
Mon,Tue,Thu-Sun 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Airbus A321neo (32Q) 8:00 Effective 2025-06-02 through 2025-06-10
Daily 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Airbus A321neo (32Q) 8:00 Effective 2025-06-11 through 2025-10-25
Sun 16:50 Keflavik, Reykjavik (KEF) 17:40 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Airbus A321neo (32Q) 7:50 Operates only on 2025-10-26
Mon-Sat 17:05 Keflavik, Reykjavik (KEF) 18:00 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-10-27 through 2025-11-01
Daily 17:05 Keflavik, Reykjavik (KEF) 17:00 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-11-02 through 2025-12-17
Thu,Sat 17:05 Keflavik, Reykjavik (KEF) 17:00 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Boeing 757-200 (75W) 7:55 Effective 2025-12-18 through 2025-12-20
Mon-Fri,Sun 17:05 Keflavik, Reykjavik (KEF) 17:00 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-12-19 through 2025-12-26
Daily 17:05 Keflavik, Reykjavik (KEF) 17:00 Seattle-Tacoma (SEA)
Icelandair FI 681 Non-stop Airbus A321neo (32Q) 7:55 Effective from 2025-12-27
Daily 19:45 Keflavik, Reykjavik (KEF) 20:40 Seattle-Tacoma (SEA)
Icelandair FI 683 Non-stop Boeing 757-200 (75W) 7:55 Valid until 2025-05-21
Daily 19:45 Keflavik, Reykjavik (KEF) 20:40 Seattle-Tacoma (SEA)
Icelandair FI 683 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-05-22 through 2025-06-02
Tue,Thu 19:45 Keflavik, Reykjavik (KEF) 20:40 Seattle-Tacoma (SEA)
Icelandair FI 683 Non-stop Boeing 757-200 (75W) 7:55 Effective 2025-06-03 through 2025-06-05
Mon-Wed,Fri-Sun 19:45 Keflavik, Reykjavik (KEF) 20:40 Seattle-Tacoma (SEA)
Icelandair FI 683 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-06-04 through 2025-06-11
Daily 19:45 Keflavik, Reykjavik (KEF) 20:40 Seattle-Tacoma (SEA)
Icelandair FI 683 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-06-12 through 2025-10-25
Daily 10:30 Keflavik, Reykjavik (KEF) 11:25 Seattle-Tacoma (SEA)
Icelandair FI 685 Non-stop Boeing 757-200 (75W) 7:55 Effective 2025-05-22 through 2025-05-31
Tue-Sun 10:30 Keflavik, Reykjavik (KEF) 11:25 Seattle-Tacoma (SEA)
Icelandair FI 685 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-06-01 through 2025-06-08
Mon 10:30 Keflavik, Reykjavik (KEF) 11:25 Seattle-Tacoma (SEA)
Icelandair FI 685 Non-stop Boeing 757-200 (75W) 7:55 Operates only on 2025-06-02
Daily 10:30 Keflavik, Reykjavik (KEF) 11:25 Seattle-Tacoma (SEA)
Icelandair FI 685 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-06-09 through 2025-09-14
Direct Codeshare Flights:
Daily 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 5551 Non-stop Boeing 767 (76W) 8:00 Valid until 2025-05-12
Codeshare flight, operated by Icelandair.(FI 681)
Tue 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 5551 Non-stop Boeing 757-200 (75W) 8:00 Operates only on 2025-05-13
Codeshare flight, operated by Icelandair.(FI 681)
Mon,Wed-Sun 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 5551 Non-stop Boeing 767 (76W) 8:00 Effective 2025-05-14 through 2025-05-19
Codeshare flight, operated by Icelandair.(FI 681)
Daily 16:50 Keflavik, Reykjavik (KEF) 17:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 5551 Non-stop Airbus A321neo (32Q) 8:00 Effective 2025-05-20 through 2025-10-25
Codeshare flight, operated by Icelandair.(FI 681)
Sun 16:50 Keflavik, Reykjavik (KEF) 17:40 Seattle-Tacoma (SEA)
Alaska Airlines AS 5551 Non-stop Airbus A321neo (32Q) 7:50 Operates only on 2025-10-26
Codeshare flight, operated by Icelandair.(FI 681)
Mon-Sat 17:05 Keflavik, Reykjavik (KEF) 18:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 5551 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-10-27 through 2025-11-01
Codeshare flight, operated by Icelandair.(FI 681)
Daily 17:05 Keflavik, Reykjavik (KEF) 17:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 5551 Non-stop Airbus A321neo (32Q) 7:55 Effective from 2025-11-02
Codeshare flight, operated by Icelandair.(FI 681)
Daily 19:45 Keflavik, Reykjavik (KEF) 20:40 Seattle-Tacoma (SEA)
Alaska Airlines AS 5553 Non-stop Boeing 757-200 (75W) 7:55 Valid until 2025-05-21
Codeshare flight, operated by Icelandair.(FI 683)
Daily 19:45 Keflavik, Reykjavik (KEF) 20:40 Seattle-Tacoma (SEA)
Alaska Airlines AS 5553 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-05-22 through 2025-10-25
Codeshare flight, operated by Icelandair.(FI 683)
Daily 10:30 Keflavik, Reykjavik (KEF) 11:25 Seattle-Tacoma (SEA)
Alaska Airlines AS 5557 Non-stop Boeing 757-200 (75W) 7:55 Effective 2025-05-22 through 2025-05-31
Codeshare flight, operated by Icelandair.(FI 685)
Daily 10:30 Keflavik, Reykjavik (KEF) 11:25 Seattle-Tacoma (SEA)
Alaska Airlines AS 5557 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-06-01 through 2025-09-14
Codeshare flight, operated by Icelandair.(FI 685)
Sun 16:50 Keflavik, Reykjavik (KEF) 17:40 Seattle-Tacoma (SEA)
Air Baltic BT 6281 Non-stop Airbus A321neo (32Q) 7:50 Operates only on 2025-10-26
Codeshare flight, operated by Icelandair.(FI 681)
Wed 17:05 Keflavik, Reykjavik (KEF) 18:00 Seattle-Tacoma (SEA)
Air Baltic BT 6281 Non-stop Airbus A321neo (32Q) 7:55 Operates only on 2025-10-29
Codeshare flight, operated by Icelandair.(FI 681)
Wed,Sun 17:05 Keflavik, Reykjavik (KEF) 17:00 Seattle-Tacoma (SEA)
Air Baltic BT 6281 Non-stop Airbus A321neo (32Q) 7:55 Effective 2025-11-02 through 2026-01-04
Codeshare flight, operated by Icelandair.(FI 681)
Sun 17:05 Keflavik, Reykjavik (KEF) 17:00 Seattle-Tacoma (SEA)
Air Baltic BT 6281 Non-stop Airbus A321neo (32Q) 7:55 Effective from 2026-01-11
Codeshare flight, operated by Icelandair.(FI 681)
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All airlines flying from Keflavik, Reykjavik (KEF) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Valid until 2025-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:00, non-stop
Boeing 767 (76W)

Operates only on 2025-05-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:00, non-stop
Boeing 757-200 (75W)

Effective 2025-05-14 through 2025-05-19
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 8:00, non-stop
Boeing 767 (76W)

Effective 2025-05-20 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:00, non-stop
Airbus A321neo (32Q)

Effective 2025-06-01 through 2025-06-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:00, non-stop
Boeing 757-200 (75W)

Effective 2025-06-02 through 2025-06-10
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 8:00, non-stop
Airbus A321neo (32Q)

Effective 2025-06-11 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:00, non-stop
Airbus A321neo (32Q)

Operates only on 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:50, non-stop
Airbus A321neo (32Q)

Effective 2025-10-27 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective 2025-11-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective 2025-12-18 through 2025-12-20
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 7:55, non-stop
Boeing 757-200 (75W)

Effective 2025-12-19 through 2025-12-26
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective from 2025-12-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Boeing 757-200 (75W)

Effective 2025-05-22 through 2025-06-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective 2025-06-03 through 2025-06-05
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 7:55, non-stop
Boeing 757-200 (75W)

Effective 2025-06-04 through 2025-06-11
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective 2025-06-12 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective 2025-05-22 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Boeing 757-200 (75W)

Effective 2025-06-01 through 2025-06-08
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Operates only on 2025-06-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:55, non-stop
Boeing 757-200 (75W)

Effective 2025-06-09 through 2025-09-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Valid until 2025-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 8:00, non-stop
Boeing 767 (76W)

Operates only on 2025-05-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 8:00, non-stop
Boeing 757-200 (75W)

Effective 2025-05-14 through 2025-05-19
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 8:00, non-stop
Boeing 767 (76W)

Effective 2025-05-20 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 8:00, non-stop
Airbus A321neo (32Q)

Operates only on 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 7:50, non-stop
Airbus A321neo (32Q)

Effective 2025-10-27 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective from 2025-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair. (FI 683)
Duration: 7:55, non-stop
Boeing 757-200 (75W)

Effective 2025-05-22 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair. (FI 683)
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective 2025-05-22 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair. (FI 685)
Duration: 7:55, non-stop
Boeing 757-200 (75W)

Effective 2025-06-01 through 2025-09-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Icelandair. (FI 685)
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Operates only on 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 7:50, non-stop
Airbus A321neo (32Q)

Operates only on 2025-10-29
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective 2025-11-02 through 2026-01-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 7:55, non-stop
Airbus A321neo (32Q)

Effective from 2026-01-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Icelandair. (FI 681)
Duration: 7:55, non-stop
Airbus A321neo (32Q)
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Parallax here KEF-SEA
  • 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 7:50 and 8:00.