S$705 Cheap Flights from Seattle to Reykjavik

View S$705 flight on Mon, 1 Sep, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Reykjavik–Keflavik Intl. Airport (KEF)

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Cheap Flights from Seattle to Reykjavik (SEA-KEF)

Prices were available within the past 7 days and start at S$705 for one-way flights and S$883 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$883 Return, found 2 days ago
S$883
Return
found 2 days ago
Select Delta flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$883 found 2 days ago
Delta
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$883 Return, found 2 days ago
S$883
Return
found 2 days ago
Select Delta flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$883 found 2 days ago
Delta
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$917 Return, found 2 days ago
S$917
Return
found 2 days ago
Select Delta flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$917 found 2 days ago
Delta
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$928 Return, found 2 days ago
S$928
Return
found 2 days ago
Select Delta flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$928 found 2 days ago
Delta
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$941 Return, found 2 days ago
S$941
Return
found 2 days ago
Select Delta flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$941 found 2 days ago
Delta
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$950 Return, found 2 days ago
S$950
Return
found 2 days ago
Select Delta flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$950 found 2 days ago
Virgin Atlantic
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$1,037 Return, found 2 days ago
S$1,037
Return
found 2 days ago
Select Virgin Atlantic flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$1,037 found 2 days ago
KLM
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$1,104 Return, found 2 days ago
S$1,104
Return
found 2 days ago
Select KLM flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$1,104 found 2 days ago
Lufthansa
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$1,251 Return, found 2 days ago
S$1,251
Return
found 2 days ago
Select Lufthansa flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$1,251 found 2 days ago
United
Mon, 1 Sep - Mon, 8 Sep
SEA
Seattle
KEF
Reykjavik
S$1,303 Return, found 2 days ago
S$1,303
Return
found 2 days ago
Select United flight, departing Mon, 1 Sep from Seattle to Reykjavik, returning Mon, 8 Sep, priced at S$1,303 found 2 days ago

Find the cheapest month to fly from Seattle (SEA) to Reykjavik (KEF)

October is typically the cheapest month to fly

From S$497 - S$1,289 per traveller.

Graph displaying average flight prices per month

Seattle to Reykjavik route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Keflavik Intl.
Airlines serving
American Airlines, British Airways
Return price
S$883
Distance
5776 km
Average flight time
14 hours 28 mins

Perfect flights from Seattle to Reykjavik

Your Journey from Seattle to Reykjavik

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Reykjavik caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Air France, Delta, United, British Airways, KLM, American Airlines, Virgin Atlantic, Lufthansa. Our selection of flights from Seattle - Tacoma Intl. to Keflavik Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seattle to Reykjavik Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Keflavik Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$705 and roundtrip prices from S$883*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Reykjavik with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Reykjavik

Picture yourself stepping off the plane in Reykjavik and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Reykjavik Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Reykjavik.
 

Beyond the Flight – Exploring Reykjavik

With Expedia, your adventure extends beyond the flight. Explore Reykjavik at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Reykjavik with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Reykjavik with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Reykjavík–Keflavík Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from SEA to Reykjavík–Keflavík Airport was S$883. Fares this good don't last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Keflavik Intl. Airport (KEF)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sea-Tac Airport to KEF flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to Reykjavík–Keflavík Airport?
With a flight distance of 5,800 kilometres between Sea-Tac Airport and Keflavik Intl. Airport (KEF), this is a long-haul flight. Make sure you stay hydrated and move your legs from time to time.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF)?
Check out Icelandair (FI) if you want to fly directly from Seattle - Tacoma Intl. Airport (SEA) to KEF. This top airline operates 30 flights monthly, so you're sure to find one that fits your travel plans.
Are Sea-Tac Airport to Reykjavík–Keflavík Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up an awesome last-minute deal from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF), but it can also be hit-or-miss. As many airlines release seats up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals often, so you can be certain you're always getting the latest offers.

Explore a world of travel with Expedia

*Available to Expedia members.