$324 Cheap flights from Seattle - Tacoma Intl. to Keflavik Intl. (SEA to KEF)

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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 $483 round trip and $324 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Sep 28 - Mon, Oct 7
SEA
Seattle
KEF
Reykjavik
$483 Roundtrip, found 5 days ago
$483
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Sep 28 from Seattle to Reykjavik, returning Mon, Oct 7, priced at $483 found 5 days ago
Tue, Sep 17 - Tue, Sep 24
SEA
Seattle
KEF
Reykjavik
$488 Roundtrip, found 1 day ago
$488
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 17 from Seattle to Reykjavik, returning Tue, Sep 24, priced at $488 found 1 day ago
Fri, Sep 27 - Mon, Oct 7
SEA
Seattle
KEF
Reykjavik
$489 Roundtrip, found 5 days ago
$489
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Sep 27 from Seattle to Reykjavik, returning Mon, Oct 7, priced at $489 found 5 days ago
Mon, Jun 24 - Mon, Jul 22
SEA
Seattle
KEF
Reykjavik
$493 Roundtrip, found 5 days ago
$493
Roundtrip
found 5 days ago
Select United flight, departing Mon, Jun 24 from Seattle to Reykjavik, returning Mon, Jul 22, priced at $493 found 5 days ago
Tue, Sep 17 - Tue, Sep 24
SEA
Seattle
KEF
Reykjavik
$494 Roundtrip, found 1 day ago
$494
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 17 from Seattle to Reykjavik, returning Tue, Sep 24, priced at $494 found 1 day ago
Tue, Sep 10 - Wed, Sep 25
SEA
Seattle
KEF
Reykjavik
$500 Roundtrip, found 1 day ago
$500
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 10 from Seattle to Reykjavik, returning Wed, Sep 25, priced at $500 found 1 day ago
Tue, Jul 9 - Tue, Jul 30
SEA
Seattle
KEF
Reykjavik
$503 Roundtrip, found 2 days ago
$503
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 9 from Seattle to Reykjavik, returning Tue, Jul 30, priced at $503 found 2 days ago
Mon, Jan 13 - Thu, Jan 23
SEA
Seattle
KEF
Reykjavik
$523 Roundtrip, found 2 days ago
$523
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Jan 13 from Seattle to Reykjavik, returning Thu, Jan 23, priced at $523 found 2 days ago
Thu, Aug 8 - Thu, Aug 22
SEA
Seattle
KEF
Reykjavik
$533 Roundtrip, just found
$533
Roundtrip
just found
Select Virgin Atlantic flight, departing Thu, Aug 8 from Seattle to Reykjavik, returning Thu, Aug 22, priced at $533 just found
Thu, Aug 15 - Wed, Aug 21
SEA
Seattle
KEF
Reykjavik
$533 Roundtrip, found 20 hours ago
$533
Roundtrip
found 20 hours ago
Select Delta flight, departing Thu, Aug 15 from Seattle to Reykjavik, returning Wed, Aug 21, priced at $533 found 20 hours ago

Flight Schedule for SEA to KEF

CarrierFlightDepart SEAArrive KEFFri
4/26		Sat
4/27		Sun
4/28		Mon
4/29		Tue
4/30		Wed
5/1		Thu
5/2		Stops
FI68003:50 pm06:15 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

Can I catch a flight from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF) right now?
For information on any current KEF travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught out.
Are there direct flights from SEA to KEF?
If you’d prefer to avoid layovers, it’s wise to book your flight from Sea-Tac Airport to Keflavik Intl. Airport (KEF) in advance. Icelandair is the only air carrier that offers direct flights between Seattle and Reykjanesbær.
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 Reykjavík–Keflavík Airport, please visit our Customer Service Portal.
How long is the flight from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF)?
The travel time between Seattle and Reykjanesbær is usually around 11 hours and 28 minutes — long enough to affect anyone’s body clock. Consider the time difference and make sure you get some sleep on the flight to prevent jet lag.
What is the flight distance from SEA to Keflavik Intl. Airport (KEF)?
With 3,600 mi separating SEA and Keflavik Intl. Airport (KEF), you’ll certainly have time to rest and relax. Enjoy the in-flight entertainment, read a magazine or get some shut-eye.
What airlines fly from Sea-Tac Airport to KEF?
With Icelandair, you won’t have to put up with extended layovers or hanging about waiting for your next flight. This top-rated airline will fly you directly from Seattle to Reykjanesbær on one of the 30 flights servicing this route every month.
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 SAS 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 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that 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 2021, 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 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

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
$483

Route Info

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


Origin:
SEA - Seattle-Tacoma International Airport
Destination:
KEF - 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 $483 and $533. 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 $324. 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, September 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.