Cheap Flights from Seattle (SEA) to Reykjavik (KEF) from HK$3,776~

View HK$3,776 flight on Fri, 24 Oct 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Reykjavik–Keflavik Intl. Airport (KEF)

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Find Cheap Flights from Seattle (SEA) to Reykjavik (KEF)

Prices were available within the past 7 days and start at HK$3,776 for one-way flights and HK$6,159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$6,159 Return, found 18 hours ago
HK$6,159
Return
found 18 hours ago
Select Lufthansa flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$6,159 found 18 hours ago
Virgin Atlantic
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$6,260 Return, found 18 hours ago
HK$6,260
Return
found 18 hours ago
Select Virgin Atlantic flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$6,260 found 18 hours ago
Lufthansa
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$6,372 Return, found 18 hours ago
HK$6,372
Return
found 18 hours ago
Select Lufthansa flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$6,372 found 18 hours ago
Lufthansa
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$6,641 Return, found 18 hours ago
HK$6,641
Return
found 18 hours ago
Select Lufthansa flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$6,641 found 18 hours ago
Virgin Atlantic
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$6,736 Return, found 18 hours ago
HK$6,736
Return
found 18 hours ago
Select Virgin Atlantic flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$6,736 found 18 hours ago
Lufthansa
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$6,841 Return, found 18 hours ago
HK$6,841
Return
found 18 hours ago
Select Lufthansa flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$6,841 found 18 hours ago
Lufthansa
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$6,844 Return, found 18 hours ago
HK$6,844
Return
found 18 hours ago
Select Lufthansa flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$6,844 found 18 hours ago
Delta
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$9,746 Return, found 18 hours ago
HK$9,746
Return
found 18 hours ago
Select Delta flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$9,746 found 18 hours ago
American Airlines
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$15,915 Return, found 18 hours ago
HK$15,915
Return
found 18 hours ago
Select American Airlines flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$15,915 found 18 hours ago
British Airways
Fri, 24 Oct - Sat, 8 Nov
SEA
Seattle
KEF
Reykjavik
HK$17,816 Return, found 18 hours ago
HK$17,816
Return
found 18 hours ago
Select British Airways flight, departing Fri, 24 Oct from Seattle to Reykjavik, returning Sat, 8 Nov, priced at HK$17,816 found 18 hours ago

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

October is typically the cheapest month to fly

From HK$3,032 - HK$7,654 per traveller.

Graph displaying average flight prices per month

Seattle to Reykjavik route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Keflavik Intl.
Airlines serving
American Airlines, British Airways, Lufthansa
Return price
HK$6,159
Distance
5776 km
Average flight time
14 hours 28 mins

Flights from Seattle to Suðurnesjabær

Book cheap flights from Seattle (SEA) to Suðurnesjabær (KEF) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Seattle (SEA) to Suðurnesjabær (KEF) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle (SEA) to Suðurnesjabær (KEF) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Suðurnesjabær flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Suðurnesjabær and things to do in Suðurnesjabær for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Suðurnesjabær more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Suðurnesjabær is HK$3,776 now!

 

Frequently asked questions

How much is a flight from Sea-Tac Airport to Reykjavík–Keflavík Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from SEA to Reykjavík–Keflavík Airport was HK$6,159. Fares this good don't last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Keflavik Intl. Airport (KEF)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sea-Tac Airport to KEF flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to Reykjavík–Keflavík Airport?
With a flight distance of 5,800 kilometers between Sea-Tac Airport and Keflavik Intl. Airport (KEF), this is a long-haul flight. Make sure you stay hydrated and move your legs from time to time.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF)?
Check out Icelandair (FI) if you want to fly directly from Seattle - Tacoma Intl. Airport (SEA) to KEF. This top airline operates 30 flights monthly, so you're sure to find one that fits your travel plans.
Are Sea-Tac Airport to Reykjavík–Keflavík Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up an awesome last-minute deal from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF), but it can also be hit-or-miss. As many airlines release seats up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals often, so you can be certain you're always getting the latest offers.

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