Photo by Leo Li

Popular airlines from Seattle-Tacoma International Airport (SEA) to Reykjavik–Keflavik Intl. Airport (KEF)
- Icelandair
Icelandair
- Lufthansa
Lufthansa
- British Airways
British Airways
- Air Canada
Air Canada
- Virgin Atlantic
Virgin Atlantic
- Brussels Airlines
Brussels Airlines
- Delta
Delta
- Plan, book, fly with confidence
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Cheap flights from Seattle to Reykjavik (SEA-KEF)
Prices were available within the past 7 days and start at €359 for one-way flights and €342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, 22 Sep - Wed, 1 Oct
SEA
Seattle
KEF
Reykjavik
€342 Return, found 1 day ago
€342
Return
found 1 day ago

Mon, 22 Sep - Wed, 1 Oct
SEA
Seattle
KEF
Reykjavik
€402 Return, found 1 day ago
€402
Return
found 1 day ago

Mon, 22 Sep - Wed, 1 Oct
SEA
Seattle
KEF
Reykjavik
€500 Return, found 1 day ago
€500
Return
found 1 day ago

Mon, 22 Sep - Wed, 1 Oct
SEA
Seattle
KEF
Reykjavik
€520 Return, found 1 day ago
€520
Return
found 1 day ago

Mon, 22 Sep - Wed, 1 Oct
SEA
Seattle
KEF
Reykjavik
€523 Return, found 1 day ago
€523
Return
found 1 day ago

Tue, 2 Sep - Sat, 6 Sep
SEA
Seattle
KEF
Reykjavik
€534 Return, found 1 day ago
€534
Return
found 1 day ago

Tue, 2 Sep - Sat, 6 Sep
SEA
Seattle
KEF
Reykjavik
€540 Return, found 1 day ago
€540
Return
found 1 day ago

Mon, 22 Sep - Wed, 1 Oct
SEA
Seattle
KEF
Reykjavik
€542 Return, found 1 day ago
€542
Return
found 1 day ago

Mon, 22 Sep - Wed, 1 Oct
SEA
Seattle
KEF
Reykjavik
€641 Return, found 1 day ago
€641
Return
found 1 day ago

Mon, 22 Sep - Wed, 1 Oct
SEA
Seattle
KEF
Reykjavik
€666 Return, found 1 day ago
€666
Return
found 1 day ago
Find the cheapest month to fly from Seattle (SEA) to Reykjavik (KEF)
October is typically the cheapest month to fly
From €331 - €835 per traveller.
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Keflavik Intl. |
Return price | €341 |
Distance | 5776 km |
Average flight time | 14 hours 28 mins |
Perfect flights from Seattle to Reykjavik
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Reykjavik. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of Suðurnesjabær, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Seattle - Tacoma Intl. to Keflavik Intl. ticket options cater to your travel preferences, with incredible one-way fares from €359 and roundtrip prices from €342. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Keflavik Intl. and explore Suðurnesjabær and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your SEA to KEF travel arrangements today and embark on the journey of a lifetime in Reykjavik.
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