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

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Cheap Flights from SEA to KEF starting at $410 One Way, $428 Round Trip

Prices starting at $428 for return flights and $410 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, May 21 - Thu, Jun 4
SEA
Seattle
KEF
Reykjavik
$428 Roundtrip, found 1 day ago
$428
Roundtrip
found 1 day ago
Select Icelandair flight, departing Thu, May 21 from Seattle to Reykjavik, returning Thu, Jun 4, priced at $428 found 1 day ago
Sun, May 31 - Mon, Jun 8
SEA
Seattle
KEF
Reykjavik
$429 Roundtrip, found 21 hours ago
$429
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Sun, May 31 from Seattle to Reykjavik, returning Mon, Jun 8, priced at $429 found 21 hours ago
Sun, May 10 - Tue, May 19
SEA
Seattle
KEF
Reykjavik
$456 Roundtrip, found 1 day ago
$456
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Sun, May 10 from Seattle to Reykjavik, returning Tue, May 19, priced at $456 found 1 day ago
Sun, Apr 26 - Sun, May 3
SEA
Seattle
KEF
Reykjavik
$457 Roundtrip, found 5 days ago
$457
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Apr 26 from Seattle to Reykjavik, returning Sun, May 3, priced at $457 found 5 days ago
Sun, Jun 14 - Mon, Jun 22
SEA
Seattle
KEF
Reykjavik
$868 Roundtrip, found 1 hour ago
$868
Roundtrip
found 1 hour ago
Select KLM flight, departing Sun, Jun 14 from Seattle to Reykjavik, returning Mon, Jun 22, priced at $868 found 1 hour 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
$165 nightly
The price is $190 total per night from Apr 14 to Apr 15
$190 total
Apr 14 - Apr 15
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! (1,684 reviews)
Fantastic location, great room and amenities!

Reviewed on Mar 16, 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
$167 nightly
The price is $192 total per night from Apr 1 to Apr 2
$192 total
Apr 1 - Apr 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 ...
9.2/10 Wonderful! (1,000 reviews)
Yes

Reviewed on Mar 12, 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
$103 nightly
The price is $120 total per night from Apr 14 to Apr 15
$120 total
Apr 14 - Apr 15
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! (1,133 reviews)
We needed a place to stay the night before leaving Keflavik Airport and found this total gem. The place was updated and clean, and the staff was friendly and helpful. We didn't eat at the hotel restaurant, but the menu looked good. I would totally recommend this hotel.

Reviewed on Mar 12, 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
$165 nightly
The price is $190 total per night from Apr 14 to Apr 15
$190 total
Apr 14 - Apr 15
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! (1,684 reviews)
Fantastic location, great room and amenities!

Reviewed on Mar 16, 2026

Aurora Hotel at Reykjavik-Keflavik Airport Terminal KEF
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! (414 reviews)
Clean and easy check in after our late night flight

Reviewed on Mar 12, 2026

Get rates
iStay Cottages
Lighthouse Inn

Lighthouse Inn

3.5 out of 5
Nordurljosavegur 2 Suðurnesjabær
$123 nightly
The price is $144 total per night from Apr 12 to Apr 13
$144 total
Apr 12 - Apr 13
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 ...
9.8/10 Exceptional! (1,000 reviews)
Breakfast good, staff friendly. Great spot for Northern lights. Although the restaurant was closed on the night we stayed, there is a great option 5 mins down the road in the museum

Reviewed on Mar 11, 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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