£391 Cheap KLM flights from Seattle to Reykjavik (SEA→KEF)

View £391 flight on Sat, 5 Sept 2026Opens in a new window

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KLM flights from Seattle to Reykjavik (SEA→KEF)

Prices were available within the past 7 days and start at £391 for one-way flights and £385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Mon, 13 Apr - Mon, 20 Apr
SEA
Seattle
KEF
Reykjavik
£385 Return, found 2 days ago
£385
Return
found 2 days ago
Select KLM flight, departing Mon, 13 Apr from Seattle to Reykjavik, returning Mon, 20 Apr, priced at £385 found 2 days ago
KLM
Sun, 26 Apr - Sun, 3 May
SEA
Seattle
KEF
Reykjavik
£409 Return, found 2 days ago
£409
Return
found 2 days ago
Select KLM flight, departing Sun, 26 Apr from Seattle to Reykjavik, returning Sun, 3 May, priced at £409 found 2 days ago
KLM
Sat, 30 May - Sun, 7 Jun
SEA
Seattle
KEF
Reykjavik
£422 Return, found 3 days ago
£422
Return
found 3 days ago
Select KLM flight, departing Sat, 30 May from Seattle to Reykjavik, returning Sun, 7 Jun, priced at £422 found 3 days ago
KLM
Thu, 23 Apr - Thu, 30 Apr
SEA
Seattle
KEF
Reykjavik
£428 Return, found 6 days ago
£428
Return
found 6 days ago
Select KLM flight, departing Thu, 23 Apr from Seattle to Reykjavik, returning Thu, 30 Apr, priced at £428 found 6 days ago
KLM
Mon, 11 May - Mon, 18 May
SEA
Seattle
KEF
Reykjavik
£438 Return, found 1 day ago
£438
Return
found 1 day ago
Select KLM flight, departing Mon, 11 May from Seattle to Reykjavik, returning Mon, 18 May, priced at £438 found 1 day ago
KLM
Sat, 6 Jun - Sat, 13 Jun
SEA
Seattle
KEF
Reykjavik
£461 Return, found 1 day ago
£461
Return
found 1 day ago
Select KLM flight, departing Sat, 6 Jun from Seattle to Reykjavik, returning Sat, 13 Jun, priced at £461 found 1 day ago
KLM
Sat, 6 Jun - Sat, 13 Jun
SEA
Seattle
KEF
Reykjavik
£464 Return, found 1 day ago
£464
Return
found 1 day ago
Select KLM flight, departing Sat, 6 Jun from Seattle to Reykjavik, returning Sat, 13 Jun, priced at £464 found 1 day ago

Alternative airports near Reykjavik

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city centre is 45 minutes. Flights from £385
KEF
Keflavik Intl.
Cheapest
Average driving time to city centre45 min
Flights from £385

Find the cheapest month to fly from Seattle (SEA) to Reykjavik (KEF)

October is typically the cheapest month to fly

From £294 - £682 per traveller.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, British Airways, Brussels Airlines, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Virgin Atlantic, WestJet
Popular airline
KLM
Distance
5776 km
Average flight time
14 hours 30 mins

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