Seattle to Reykjavik (SEA-KEF): nonstop upgrade & award space

Icelandair and Alaska Airlines fly the SEA to KEF nonstop about 8 times a week. The timetable below shows the nonstop scheduled at 7h 25m to 7h 40m for the 3,611 miles. 2LNR checks confirmed upgrade and award space on Alaska Airlines flights on this route, so you can see which departures have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

Updated .

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8
Flights a week, 4-week average
7h 25m to 7h 40m
Scheduled flight time
3,611 mi
Nonstop distance
Free
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Seattle to Reykjavik flight schedule

Scheduled nonstop departures for SEA to KEF starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Seattle (SEA) to Reykjavik (KEF)
Date Flight Airline Departs SEA Arrives KEF Duration Aircraft
FI 680Icelandair15:4006:157h 35mAirbus A321neo family
FI 682Icelandair19:0009:257h 25mAirbus A321neo family
FI 680Icelandair15:4006:157h 35mAirbus A321neo family
FI 682Icelandair19:1009:357h 25mAirbus A321neo family
FI 680Icelandair16:5507:357h 40mBoeing 737 MAX 8
FI 682Icelandair19:1009:357h 25mAirbus A321neo family
FI 680Icelandair15:3506:157h 40mAirbus A321neo family
FI 680Icelandair15:3506:157h 40mBoeing 737 MAX 8
FI 680Icelandair15:3506:157h 40mAirbus A321neo family
FI 680Icelandair15:3506:157h 40mBoeing 737 MAX 8

Showing all 10 scheduled SEA to KEF departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every SEA to KEF date on the interactive map

Aircraft on the Seattle to Reykjavik nonstop

Icelandair flies the departures in the schedule table on this page with the Airbus A321neo family and the Boeing 737 MAX 8. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

Confirmed upgrade & award space on SEA to KEF departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Seattle to Reykjavik to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade or award seats by date on the SEA to KEF departures 2LNR tracks, checked against live inventory so you know what's open before you book.

Set an alert

Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking.

Plan on the map

See SEA to KEF on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seattle to Reykjavik nonstop

Carriers operating SEA to KEF nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See SEA to KEF on the interactive map →

Frequently asked questions about SEA to KEF

How long is the flight from Seattle (SEA) to Reykjavik (KEF)?
Scheduled flight times from Seattle (SEA) to Reykjavik (KEF) run from 7h 25m to 7h 40m across the departures in the schedule table on this page. The nonstop covers about 3,611 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.
Which airlines fly nonstop from SEA to KEF?
Icelandair and Alaska Airlines fly SEA to KEF nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines.
How many flights a week are there from SEA to KEF?
About 8 nonstop flights a week run between Seattle (SEA) and Reykjavik (KEF) in the current schedule, operated by Icelandair and Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SEA to KEF depart?
Scheduled SEA to KEF nonstops in the next 7 days with service leave between 15:35 and 19:10, local time at Seattle. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Which flights operate SEA to KEF nonstop?
In the schedule table on this page, SEA to KEF nonstops fly as FI 680 and FI 682 on Icelandair. The table lists each departure by date with its times and aircraft.
How do I check upgrade or award availability on SEA to KEF?
Open the SEA to KEF route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

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See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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