Cheap flights from SEA to KEF (Seattle - Tacoma Intl. to Keflavik Intl.)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Cheap Flights from SEA to KEF starting at $404 One Way, $429 Round Trip

Prices starting at $429 for return flights and $404 for one-way flights to Keflavik Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Feb 9 - Fri, Feb 13
SEA
Seattle
KEF
Reykjavik
$429 Roundtrip, found 10 hours ago
$429
Roundtrip
found 10 hours ago
Select Icelandair flight, departing Mon, Feb 9 from Seattle to Reykjavik, returning Fri, Feb 13, priced at $429 found 10 hours ago
Tue, Apr 21 - Sat, Apr 25
SEA
Seattle
KEF
Reykjavik
$454 Roundtrip, found 1 day ago
$454
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Tue, Apr 21 from Seattle to Reykjavik, returning Sat, Apr 25, priced at $454 found 1 day ago
Mon, Apr 13 - Fri, Apr 17
SEA
Seattle
KEF
Reykjavik
$454 Roundtrip, found 4 days ago
$454
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Apr 13 from Seattle to Reykjavik, returning Fri, Apr 17, priced at $454 found 4 days ago
Mon, Apr 13 - Fri, Apr 17
SEA
Seattle
KEF
Reykjavik
$510 Roundtrip, found 4 days ago
$510
Roundtrip
found 4 days ago
Select KLM flight, departing Mon, Apr 13 from Seattle to Reykjavik, returning Fri, Apr 17, priced at $510 found 4 days ago
Fri, Apr 17 - Tue, Apr 21
SEA
Seattle
KEF
Reykjavik
$552 Roundtrip, found 17 hours ago
$552
Roundtrip
found 17 hours ago
Select Lufthansa flight, departing Fri, Apr 17 from Seattle to Reykjavik, returning Tue, Apr 21, priced at $552 found 17 hours ago

Hotel Ideas near Keflavik Intl.

Airport Hotels near Keflavik Intl.

Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF

Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF

3 out of 5
Blikavöllur 2 Suðurnesjabær Southern Peninsula
$160 nightly
The price is $184 total per night from Jan 22 to Jan 23
$184 total
Jan 22 - Jan 23
Total with taxes and fees
Book a stay at this business-friendly hotel in Suðurnesjabær. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the breakfast and the ...
8.8/10 Excellent! (1,673 reviews)
Convenient location and very large rooms

Reviewed on Jan 15, 2026

Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF
Courtyard by Marriott Reykjavik Keflavik Airport

Courtyard by Marriott Reykjavik Keflavik Airport

4 out of 5
Adalgata 60 Reykjanesbær
$171 nightly
The price is $196 total per night from Feb 1 to Feb 2
$196 total
Feb 1 - Feb 2
Total with taxes and fees
Book a stay at this business-friendly hotel in Reykjanesbær. Enjoy free WiFi, free parking, and 2 restaurants. Our guests praise the breakfast and the restaurant ...
9/10 Wonderful! (1,009 reviews)
We stayed here two nights and enjoyed our stay. The rooms were clean and thoughtfully put together (good hanging and drawer space) and the breakfasts were ample. (With everything, such as coconut and chia for the granola, labeled for allergy purposes.) Most importantly, the staff answered our questions ...

Reviewed on Jan 10, 2026

Courtyard by Marriott Reykjavik Keflavik Airport
Konvin Hotel by Reykjavik Keflavik Airport

Konvin Hotel by Reykjavik Keflavik Airport

3 out of 5
Keilisbraut 762 Reykjanesbær
$88 nightly
The price is $104 total per night from Feb 2 to Feb 3
$104 total
Feb 2 - Feb 3
Total with taxes and fees
Book a stay at this business-friendly hotel in Reykjanesbær. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the breakfast and the ...
8.6/10 Excellent! (1,118 reviews)
Rented a car from Kovin Car Rental (Just beside the Kovin Hotel)

Reviewed on Jan 15, 2026

Konvin Hotel by Reykjavik Keflavik Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Hotels In Reykjavik

Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF

Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF

3 out of 5
Blikavöllur 2 Suðurnesjabær Southern Peninsula
$160 nightly
The price is $184 total per night from Jan 22 to Jan 23
$184 total
Jan 22 - Jan 23
Total with taxes and fees
Book a stay at this business-friendly hotel in Suðurnesjabær. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the breakfast and the ...
8.8/10 Excellent! (1,673 reviews)
Convenient location and very large rooms

Reviewed on Jan 15, 2026

Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF
Lighthouse Inn

Lighthouse Inn

3.5 out of 5
Nordurljosavegur 2 Suðurnesjabær
$106 nightly
The price is $125 total per night from Jan 26 to Jan 27
$125 total
Jan 26 - Jan 27
Total with taxes and fees
Book a stay at this beach hotel in Suðurnesjabær. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant in our ...
9.6/10 Exceptional! (1,002 reviews)
Great place, great location. I would stay there again

Reviewed on Jan 14, 2026

Lighthouse Inn
iStay Cottages

iStay Cottages

3 out of 5
Byggðavegur Suðurnesjabær
Stay at this guesthouse in Suðurnesjabær. Enjoy free WiFi, free parking, and a garden. Popular attractions Gardur Folk Museum and Old Garður Lighthouse are located ...
9.2/10 Wonderful! (411 reviews)
Check in was easy with an instruction in an email. Room is nice and spacious. Free Netflix included.

Reviewed on Dec 22, 2025

Get rates
iStay Cottages
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

SEA to KEF Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
SEA Address & GPS
Address:
Seattle WA, 98158
United States
IATA Code:
SEA
Longitude:
-122.301732
Latitude:
47.443839
Time Zone:
America/Los_Angeles
KEF Address & GPS
Address:
Reykjavik ,
Iceland
IATA Code:
KEF
Longitude:
-22.624283
Latitude:
63.997765
Time Zone:
Atlantic/Reykjavik

Frequently asked questions

Are there non-stop flights from Sea-Tac Airport to KEF?
Passengers can jet from Seattle - Tacoma Intl. Airport (SEA) to KEF with Icelandair, the only carrier that offers direct services on this route.
What is the shortest flight from Sea-Tac Airport to Reykjavík–Keflavík Airport?
Choose your favorite seat, because you'll be planted on it for some time on your Seattle to Reykjavik jaunt. The shortest flight time from Sea-Tac Airport to KEF is 13 hours and 25 minutes.
How many hours flight from Seattle - Tacoma Intl. Airport (SEA) to Reykjavík–Keflavík Airport?
From SEA to KEF, you'll be in the air for an average of 13 hours and 25 minutes. Entertain yourself during the long plane ride by watching in-flight movies, doodling in your sketchbook or listening to some podcasts. Remember to shake out those legs every now and again.
What airlines have the most flights from Sea-Tac Airport to Reykjavík–Keflavík Airport?
If you're on the hunt for a drama-free journey, consider booking your ticket with Icelandair. This carrier advertises 30 flights every month from Seattle to Reykjavik and is one of the best airlines servicing this route.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

More to Explore