Direct flights from Seattle to Reykjavík SEA → KEF
Icelandair and Alaska Airlines fly nonstop from Seattle (SEA) to Reykjavík (KEF), daily. The flight takes about 7h 57m and covers 3,611 miles (5,811 km). Round-trip fares typically run around $712, with recent bookable fares from $591. Arrivals run on time 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 30 August 2026.
60-day flexibility overview based on 327 recent fares across the next 60 days
What flexibility is worth here
Flying in January rather than August typically saves $552 on SEA → KEF.
Typical round-trip fare by departure month, across the 8 months we currently track.
How long you stay changes it too
Staying 6–9 nights typically costs $30 less than 10–16 nights.
Most people pick dates first and see the price second. We watch every date combination on this route and tell you when a good one gets cheap. Watch SEA → KEF →
Cheapest combos
Icelandair
Best
Icelandair
Icelandair
🔔 Watch SEA → KEF
We re-run this search daily and email you the moment the price drops below typical.
Free · checked daily · one-click unsubscribe
Icelandair
FI
Departure Schedule typical week
Typical weekly schedule · 20 flights per week (~3 per day) · Updated 86d ago
Icelandair
Frequently asked questions
Is there a direct flight from Seattle to Reykjavík?
Yes, Icelandair and Alaska Airlines operate nonstop flights from Seattle (SEA) to Reykjavík (KEF).
Which airlines fly direct from Seattle to Reykjavík?
Icelandair, Alaska Airlines operate nonstop flights from Seattle to Reykjavík.
How long is the flight from Seattle to Reykjavík?
The nonstop flight from Seattle to Reykjavík takes ~7h 57m (approximately 5811 km).
How often do direct flights operate from Seattle to Reykjavík?
Nonstop flights from Seattle to Reykjavík operate daily — 20 flights per week (~3 per day).
What is the on-time performance for flights from Seattle to Reykjavík?
Arrivals run on time 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Seattle to Reykjavík?
Direct flights from Seattle to Reykjavík operate every day of the week.
How much is a round-trip flight from Seattle to Reykjavík?
Round-trip flights from Seattle (SEA) to Reykjavík (KEF) start at $590, with a typical fare around $712. Based on 327 recent fare combinations.
What is the cheapest month to fly from Seattle to Reykjavík?
Across the 8 departure months we currently track, January 2027 is the cheapest month to fly round trip from Seattle to Reykjavík, with typical fares around $593 — versus about $1145 in August 2026, the most expensive.
Does trip length change the round-trip fare from Seattle to Reykjavík?
Typical round-trip fares from Seattle (SEA) to Reykjavík (KEF) by trip length: a week away (6–9 nights) about $683 and around two weeks (10–16 nights) about $713. Medians from 327 recent fare combinations.
Explore More
Scout — our search agent — priced 210 fares on this route in the past week, cheapest $591 round trip. It hunts nonstop fares from Seattle every night and pings you when one's worth booking.
Watch it work →