Flights from Seattle - Tacoma Intl. (SEA) to Keflavik Intl. (KEF) starting at $510

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Seattle - Tacoma Intl. to Keflavik Intl.

Amazing SEA to KEF Flight Deals

The cheapest flights to Keflavik Intl. found within the past 7 days were $454 round trip and $510 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for SEA to KEF

CarrierFlightDepart SEAArrive KEFWed
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FI68203:35 pm06:10 am
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Best Keflavik Intl. Flight and Hotel Packages

Keflavik Intl. flight + hotel packages - economy flights

4th Floor Hotel
Hótel Múli
Central Guesthouse Reykjavik
101 Guesthouse
Icelandic Apartments
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Keflavik Intl. flight + hotel packages - business class flights

Hotel Leifur Eiriksson
Grandi by Center Hotels
Hotel Borg by Keahotels
Black Pearl Luxury Apartments
The Retreat at Blue Lagoon Iceland
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FAQs about flights from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF)

Can I catch a flight from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Reykjavik Airport (KEF-Keflavik Intl.) right now?

For info on any current Reykjavik Airport (KEF-Keflavik Intl.) quarantine requirements and travel advice, go to our Covid-19 Travel Advisor. Check before you book your flight, so you don't get caught out en route.

Are there direct flights from SEA to Reykjavík–Keflavík Airport?

Be a wise wanderer and opt for a direct flight from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Reykjavik Airport (KEF-Keflavik Intl.) with Icelandair. This airline is the ideal choice if you'd prefer to land in Reykjanesbær as fast as you can.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Reykjavik Airport (KEF-Keflavik Intl.), please visit our Customer Service Portal.

How long is the flight from SEA to Reykjavik Airport (KEF-Keflavik Intl.)?

Taking approximately 11 hours and 28 minutes in total, getting from SEA to Keflavik Intl. Airport (KEF) is no piece of cake. On such a long flight, it's a smart idea to walk around and stretch your legs often.

What is the flight distance from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Reykjavik Airport (KEF-Keflavik Intl.)?

The distance from Sea-Tac Airport to Reykjavik Airport (KEF-Keflavik Intl.) is 5,095 mi. Apart from loading your devices with more movies, it'll be smart to take some noise-canceling earbuds and a jacket as well.

What airlines fly from Sea-Tac Airport to Reykjavík–Keflavík Airport?

Wanting to fly nonstop from Sea-Tac Airport to Reykjavík–Keflavík Airport? You're in luck. Icelandair offers up to 21 flights every month and is a popular choice with many wise wanderers.

What airlines have practices regarding COVID-19 in place and use social distancing?

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with Icelandair, Wizz Air or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Seattle - Tacoma Intl. to Keflavik Intl. Flight FAQ

Traveling From Seattle - Tacoma Intl.
Traveling To Keflavik Intl.
Shortest Flight Time 21 hours 25 mins
Earliest Departure Time 3:50PM GMT
Latest Departure Time 3:50PM GMT
Lowest Flight Price $454

Route Info

Flight path for flights from Seattle-Tacoma International Airport to Keflavik International Airport.

Distance:
4,354.00 miles

Discover our best flights from Seattle SEA to Reykjavik KEF. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Seattle SEA to Reykjavik KEF at the right price  

Airfares to Reykjavik KEF from Seattle SEA currently cost between $454 and $559. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Seattle SEA to Reykjavik KEF 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Reykjavik KEF on Travelocity starting at $510. Prices and availability subject to change. Additional terms may apply. 

 

Get to Reykjavik KEF from Seattle SEA quicker with direct flights. 

Get to Reykjavik faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to KEF from SEA to take around 21 hour(s) 25 min(s).  

 

Find our cheapest airfares for flights from Seattle SEA to Reykjavik KEF

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to KEF from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Seattle SEA to Reykjavik KEF today 

If you’re flexible about when you travel, October is usually the cheapest month to fly from Seattle SEA to Reykjavik KEF. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Reykjavik KEF from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to KEF from SEA have this option.  

 

Travel with confidence when you book flights to Reykjavik KEF from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.