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 $388 One Way, $445 Round Trip

Prices starting at $445 for return flights and $388 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 - Wed, Dec 9
SEA
Seattle
KEF
Reykjavik
$445 Roundtrip, found 2 hours ago
$445
Roundtrip
found 2 hours ago
Select Icelandair flight, departing Thu, Dec 3 from Seattle to Reykjavik, returning Wed, Dec 9, priced at $445 found 2 hours ago
Thu, Aug 27 - Sun, Aug 30
SEA
Seattle
KEF
Reykjavik
$497 Roundtrip, found 7 hours ago
$497
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Thu, Aug 27 from Seattle to Reykjavik, returning Sun, Aug 30, priced at $497 found 7 hours ago
Sun, Jul 12 - Sat, Jul 25
SEA
Seattle
KEF
Reykjavik
$515 Roundtrip, found 13 hours ago
$515
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Sun, Jul 12 from Seattle to Reykjavik, returning Sat, Jul 25, priced at $515 found 13 hours ago
Tue, Jul 14 - Sun, Jul 19
SEA
Seattle
KEF
Reykjavik
$518 Roundtrip, found 4 days ago
$518
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jul 14 from Seattle to Reykjavik, returning Sun, Jul 19, priced at $518 found 4 days ago
Thu, Jul 9 - Sun, Jul 12
SEA
Seattle
KEF
Reykjavik
$518 Roundtrip, found 3 hours ago
$518
Roundtrip
found 3 hours ago
Select Virgin Atlantic flight, departing Thu, Jul 9 from Seattle to Reykjavik, returning Sun, Jul 12, priced at $518 found 3 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
$339 nightly
The price is $382 total per night from Jul 9 to Jul 10
$382 total
Jul 9 - Jul 10
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 ...
8.8/10 Excellent! (1,725 reviews)
"The best option for short connections. Can walk/run into the town Keflavik if you have time"

Reviewed on Jul 8, 2026

Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF
Konvin Hotel by Reykjavik Keflavik Airport

Konvin Hotel by Reykjavik Keflavik Airport

3 out of 5
Keilisbraut 762 Reykjanesbær
$243 nightly
The price is $279 total per night from Jul 9 to Jul 10
$279 total
Jul 9 - Jul 10
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! (1,216 reviews)
"The only hotel that we stayed in that didn’t provide free breakfast. Wrongly advertised being close to the airport"

Reviewed on Jul 7, 2026

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

Courtyard by Marriott Reykjavik Keflavik Airport

4 out of 5
Adalgata 60 Reykjanesbær
$316 nightly
The price is $357 total per night from Jul 21 to Jul 22
$357 total
Jul 21 - Jul 22
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! (1,017 reviews)
"Ideal location to the airport. Minutes drive to car rental and. New property and great stay."

Reviewed on Jul 7, 2026

Courtyard by Marriott 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
The price is $382 total per night from Jul 9 to Jul 10
$382 total
per night
Jul 9 - Jul 10
Book a stay at this business-friendly hotel in Suðurnesjabær. Enjoy free WiFi, breakfast (surcharge), and parking (surcharge). Our guests praise the breakfast ...
8.8/10 Excellent! (1,725 reviews)
"The best option for short connections. Can walk/run into the town Keflavik if you have time"

Reviewed on Jul 8, 2026

Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF
Lighthouse Inn

Lighthouse Inn

3.5 out of 5
Nordurljosavegur 2 Suðurnesjabær
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 ...
9.8/10 Exceptional! (1,010 reviews)
"Excellent hotel. Good sized rooms on very tasteful wood cabin style. . Very clean. Enjoyed the pool table! Free parking. Excellent breakfast."

Reviewed on Jul 4, 2026

Get rates
Lighthouse Inn
Ocean Break Cabins

Ocean Break Cabins

3 out of 5
Nátthagi 1-3 Suðurnesjabær
The price is $302 total per night from Jul 22 to Jul 23
$302 total
per night
Jul 22 - Jul 23
Stay at this cabin in Suðurnesjabær. Enjoy free WiFi, free parking, and private hot tubs. Popular attractions Gardur Folk Museum and Garður Lighthouse are located ...
9.4/10 Exceptional! (244 reviews)
"This was a very basic bare bones accommodation. The cabin was fairly small but the furnishings, floors, fixtures were all old, musty and smelly. Bathroom in particular was smelling quite badly 😢 On the positive side, the location of the cabin was great and quite close to Keflavik airport. The checkin ..."

Reviewed on Jul 4, 2026

Ocean Break Cabins
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