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

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Cheap Flights from SEA to KEF starting at $423 One Way, $554 Round Trip

Prices starting at $554 for return flights and $423 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.

Thu, Dec 3 - Thu, Dec 10
SEA
Seattle
KEF
Reykjavik
$554 Roundtrip, found 15 hours ago
$554
Roundtrip
found 15 hours ago
Select Lufthansa flight, departing Thu, Dec 3 from Seattle to Reykjavik, returning Thu, Dec 10, priced at $554 found 15 hours ago
Thu, Apr 8 - Wed, Apr 21
SEA
Seattle
KEF
Reykjavik
$590 Roundtrip, found 1 hour ago
$590
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Thu, Apr 8 from Seattle to Reykjavik, returning Wed, Apr 21, priced at $590 found 1 hour ago
Sat, Apr 10 - Wed, Apr 14
SEA
Seattle
KEF
Reykjavik
$620 Roundtrip, found 15 hours ago
$620
Roundtrip
found 15 hours ago
Select Virgin Atlantic flight, departing Sat, Apr 10 from Seattle to Reykjavik, returning Wed, Apr 14, priced at $620 found 15 hours ago
Thu, Apr 8 - Thu, Apr 15
SEA
Seattle
KEF
Reykjavik
$620 Roundtrip, found 15 hours ago
$620
Roundtrip
found 15 hours ago
Select Delta flight, departing Thu, Apr 8 from Seattle to Reykjavik, returning Thu, Apr 15, priced at $620 found 15 hours ago
Wed, Mar 31 - Fri, Apr 9
SEA
Seattle
KEF
Reykjavik
$682 Roundtrip, found 15 hours ago
$682
Roundtrip
found 15 hours ago
Select Air France flight, departing Wed, Mar 31 from Seattle to Reykjavik, returning Fri, Apr 9, priced at $682 found 15 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
$167 nightly
The price is $191 total per night from Nov 22 to Nov 23
$191 total
Nov 22 - Nov 23
Total with taxes and fees
Book a stay at this business-friendly hotel in Suðurnesjabær. Enjoy free WiFi, breakfast (surcharge), and parking (surcharge). Our guests praise the breakfast ...
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
$163 nightly
The price is $187 total per night from Nov 22 to Nov 23
$187 total
Nov 22 - Nov 23
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 ...
9.2/10 Wonderful! (1,000 reviews)
"Our only minor complaint was that the rooms were too warm, even set to 19*C. It made it difficult to sleep and we had to ask for a fan. Everything else was wonderful! The breakfast buffet and cafe lattes were *chef’s kiss*."

Reviewed on Nov 11, 2026

Courtyard by Marriott Reykjavik Keflavik Airport
Eldey Airport Hotel

Eldey Airport Hotel

3 out of 5
Lindarbraut 634 Reykjanesbær Reykjanesbær
$126 nightly
The price is $147 total per night from Dec 1 to Dec 2
$147 total
Dec 1 - Dec 2
Total with taxes and fees
Book a stay at this business-friendly hotel in Reykjanesbær. Enjoy free WiFi, free parking, and breakfast (surcharge). Popular attractions Stekkjarkot and Viking ...
Eldey Airport Hotel
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
$167 nightly
The price is $191 total per night from Nov 22 to Nov 23
$191 total
Nov 22 - Nov 23
Total with taxes and fees
Book a stay at this business-friendly hotel in Suðurnesjabær. Enjoy free WiFi, breakfast (surcharge), and parking (surcharge). Our guests praise the breakfast ...
Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF
iStay Cottages

iStay Cottages

3 out of 5
Byggðavegur Suðurnesjabær
$76 nightly
The price is $91 total per night from Dec 16 to Dec 17
$91 total
Dec 16 - Dec 17
Total with taxes and fees
Stay at this guesthouse in Suðurnesjabær. Enjoy free WiFi, free parking, and a garden. Popular attractions Gardur Folk Museum and Garður Lighthouse are located ...
9.2/10 Wonderful! (531 reviews)
"wifi didn’t work so the tv didn’t work either, window didn’t close all the way causing cold air and loud noise to come into the place all night"

Reviewed on Nov 14, 2026

iStay Cottages
Lighthouse Inn

Lighthouse Inn

3.5 out of 5
Nordurljosavegur 2 Suðurnesjabær
$129 nightly
The price is $151 total per night from Dec 16 to Dec 17
$151 total
Dec 16 - Dec 17
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! (1,003 reviews)
"Very kind and helpful staff. Clean rooms and nice hotel ambiance."

Reviewed on Nov 15, 2026

Lighthouse Inn
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.

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