Cheap flights from Seattle to Keflavik

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Seattle (SEA) to Keflavik (KEF)

How far in advance should I book a flight from Seattle to Keflavik?

To save up to 24% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Keflavik from C$ 1037 1-2 weeks out and tickets from C$ 1089 for flights departing within the next 72 hours.

Cheap flights from Seattle to Keflavik in July, August 2020

The best prices found for SEA to KEF flights for July, August
20 Jul - 29 Jul
C$ 563pp
SEA
Seattle/Tacoma Intl
Icelandair
Direct
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl
3 Jul - 30 Sep
C$ 587pp
SEA
Seattle/Tacoma Intl
Icelandair
Direct
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl
30 Jul - 10 Aug
C$ 601pp
SEA
Seattle/Tacoma Intl
Icelandair
Direct
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl

Seattle to Keflavik 2020 flight deals

Cheap flights to Keflavik from Seattle found for this year
20 Oct - 27 Oct
C$ 497pp
SEA
Seattle/Tacoma Intl
Icelandair
Direct
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl
7 Nov - 14 Nov
C$ 504pp
SEA
Seattle/Tacoma Intl
Icelandair
Direct
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl
5 Oct - 14 Oct
C$ 506pp
SEA
Seattle/Tacoma Intl
Icelandair
Direct
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl

Direct flights to Keflavik from Seattle

Save time with Seattle to Keflavik direct flight deals
20 Oct - 27 Oct
C$ 497pp
SEA
Seattle/Tacoma Intl
Icelandair
Direct
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl
7 Nov - 14 Nov
C$ 504pp
SEA
Seattle/Tacoma Intl
Icelandair
Direct
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl
5 Oct - 14 Oct
C$ 506pp
SEA
Seattle/Tacoma Intl
Icelandair
Direct
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Keflavik

Late deals on round-trip flights to Keflavik from Seattle, departing today and this week
25 Jun - 31 Jul
C$ 1186pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl
25 Jun - 27 Jul
C$ 1226pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Direct
SEA
Seattle/Tacoma Intl
25 Jun - 1 Aug
C$ 1247pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Keflavik from Seattle

The cheapest one-way flights from Seattle to Keflavik
7:16 a.m. - 4:55 a.m.
JetBlue
1 stop
14h 39m
SEA - KEF
JetBlue
C$ 670
11:50 a.m. - 2:15 a.m.
Icelandair
Direct
7h 25m
SEA - KEF
Icelandair
C$ 706
4:14 p.m. - 2:05 a.m.
Multiple Airlines
3 stops
26h 51m
SEA - KEF
Multiple Airlines
C$ 716
Kiwi.com

Related info for your journey

Useful info, stats and facts about Seattle to Keflavik flights.

Flight FAQs

From Seattle to Keflavik

Can I find flights from Seattle to Keflavik for under C$ 500 on Cheapflights?

Yes, there are multiple flights from Seattle to Keflavik for under C$ 500. The cheapest flight booked recently is on Icelandair for just C$ 497, but on average you can expect to pay C$ 530.

Are there direct flights from Seattle to Keflavik for under C$ 500 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to Keflavik under C$ 500. A good price for a direct flight from Seattle to Keflavik is less than C$ 530.

Are there last-minute flights available from Seattle to Keflavik for under C$ 1200?

There are currently 20+ open flights from Seattle to Keflavik within the next 7 days for less than C$ 1200.

What is the cheapest airline for this route?

The cheapest airline for this route is Icelandair. When flying this airline from Seattle to Keflavik on average you can expect to find 21 flights available for this route daily.

Is Seattle weather warmer or cooler than Keflavik?

Temperatures around the 25 °C's can be experienced in July. The weather in Keflavik is colder than in Seattle. Plan for potential changes in flight availability as peak weather approaches in this location.

Related searches

Flights to Keflavik from Seattle
Flights to Seattle Flights to Keflavik

Rent a Car

Car Rentals in Keflavik Car Rentals in Iceland

Destination information for Keflavik

Things to know before you go. Useful info for your trip from Seattle to Keflavik
Today's exchange rate
C$ 1 = 102 kr
Flight duration
7h 42m
Average temperature for July in Keflavik
14.0 °C
Avg rainfall for July in Keflavik
26.0 mm

Airports servicing Seattle

Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)

Airports servicing Reykjavik

Hourly flight availability from Seattle to Keflavik

Afternoon Noon to 6 PM 100% of flight departures
Early morning Midnight to 6 AM 0% of flight departures
Morning 6 AM to noon 0% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM