Icelandair flights from SEA to KEF
Find comprehensive Icelandair flight information, schedules, and booking details for direct flights from SEA to KEF. Icelandair operates 1 flight daily flights on this route.• Flight Duration: 7h 20m - 7h 45m (average flight time)• Distance: 3631 miles (5842 km) (air miles between airports)• Daily Flights: 1 flight (scheduled departures per day)
SEA
KEF
FLIGHT TIME
7h 20m - 7h 45m
FLIGHT DISTANCE
3631 miles (5842 km)
7h 40m - 7h 40m
14:35
14:35
3631 miles (5842 km)
October
1 (Show)
13
Icelandair Flight Schedule from SEA to KEF
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
FI680 |  Icelandair | 14:35 | 06:15:00 | Airbus A321neo |
Icelandair Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: October typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 14:00, offering more flight options and potentially better connections.
SEA - KEF flight price statistics
$783
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$763
Jan$888
Feb$1018
Mar$706
Apr$709
May$780
Jun$917
Jul$737
Aug$700
Sep$687
Oct$690
Nov$804
DecIcelandair Terminal Information
Terminal information for Icelandair on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Icelandair Flights
How many Icelandair flights operate from SEA to KEF?
Icelandair operates 1 flight from SEA to KEF.
What city does KEF airport serve?
KEF airport serves Reykjavik.
How long is the Icelandair flight from SEA to KEF?
The flight duration is approximately 7h 20m - 7h 45m.
What is the distance from SEA to KEF?
The distance is 3631 miles (5842 km).
What aircraft does Icelandair use on this route?
Icelandair uses Airbus A321neo on this route.
What is the cheapest month to fly Icelandair from SEA to KEF?
October is typically the cheapest month to fly Icelandair on this route.
What is the average price for a Icelandair flight from SEA to KEF?
The average price for a round-trip Icelandair flight on this route is approximately $783. Prices can vary based on booking time and demand.
How many Icelandair flights operate per week on this route?
Icelandair operates approximately 13 flights per week from SEA to KEF.