Direct flights from Seattle to Keflavik INTL
12 nonstop flights a week on 1 airline. Zero layovers — one hop from SEA to KEF.
Flight time: about 6h54m nonstop
Which days does it fly?
When does it fly?
Departure times in Seattle local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Icelandair ICE680 | 3:41p | 6h59m | Mon, Sun |
| Icelandair ICE680 | 3:50p | 6h54m | Wed, Sat |
| Icelandair ICE680 | 3:57p | 6h48m | Fri |
| Icelandair ICE682 | 7:09p | 7h4m | Wed |
| Icelandair ICE682 | 7:20p | 7h | Mon, Sun |
| Icelandair ICE682 | 7:26p | 6h52m | Tue |
| Icelandair ICE682 | 7:41p | 6h54m | Sat |
| Icelandair ICE682 | 8:16p | 6h45m | Fri |
| Icelandair ICE682 | 8:31p | 6h32m | Thu |
The route
One hop: SEA → KEFDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Seattle (SEA) to Keflavik (KEF)
Seattle–Tacoma International Airport (SEA) has 12 nonstop flights a week to Keflavik (KEF), operated by Icelandair. No layovers, no connections — one hop out of SEA and you're there.
This route flies every day of the week, so any travel day works. Keflavik is an international destination — don't forget your passport. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Seattle to Keflavik?
The nonstop flight from Seattle (SEA) to Keflavik (KEF) takes about 6h54m in the air, based on recently observed nonstop departures.