$213 Cheap flights from Keflavik Intl. to Seattle - Tacoma Intl. (KEF to SEA)

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

Amazing KEF to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $508 round trip and $213 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Aug 31 - Mon, Sep 9
KEF
Reykjavik
SEA
Seattle
$508 Roundtrip, found 1 hour ago
$508
Roundtrip
found 1 hour ago
Select WestJet flight, departing Sat, Aug 31 from Reykjavik to Seattle, returning Mon, Sep 9, priced at $508 found 1 hour ago
Tue, Jul 16 - Sat, Jul 20
KEF
Reykjavik
SEA
Seattle
$582 Roundtrip, found 5 days ago
$582
Roundtrip
found 5 days ago
Select WestJet flight, departing Tue, Jul 16 from Reykjavik to Seattle, returning Sat, Jul 20, priced at $582 found 5 days ago
Wed, Mar 5 - Tue, Mar 11
KEF
Reykjavik
SEA
Seattle
$591 Roundtrip, found 3 days ago
$591
Roundtrip
found 3 days ago
Select Icelandair flight, departing Wed, Mar 5 from Reykjavik to Seattle, returning Tue, Mar 11, priced at $591 found 3 days ago
Mon, May 20 - Sun, Jun 2
KEF
Reykjavik
SEA
Seattle
$599 Roundtrip, found 3 days ago
$599
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, May 20 from Reykjavik to Seattle, returning Sun, Jun 2, priced at $599 found 3 days ago
Tue, Aug 27 - Tue, Sep 3
KEF
Reykjavik
SEA
Seattle
$601 Roundtrip, just found
$601
Roundtrip
just found
Select Icelandair flight, departing Tue, Aug 27 from Reykjavik to Seattle, returning Tue, Sep 3, priced at $601 just found
Mon, Jun 10 - Sun, Jun 16
KEF
Reykjavik
SEA
Seattle
$610 Roundtrip, found 3 days ago
$610
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, Jun 10 from Reykjavik to Seattle, returning Sun, Jun 16, priced at $610 found 3 days ago
Mon, Aug 5 - Sat, Aug 24
KEF
Reykjavik
SEA
Seattle
$612 Roundtrip, found 1 day ago
$612
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Aug 5 from Reykjavik to Seattle, returning Sat, Aug 24, priced at $612 found 1 day ago
Sat, Aug 31 - Mon, Sep 9
KEF
Reykjavik
SEA
Seattle
$622 Roundtrip, found 1 hour ago
$622
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Sat, Aug 31 from Reykjavik to Seattle, returning Mon, Sep 9, priced at $622 found 1 hour ago
Mon, May 27 - Tue, Jun 4
KEF
Reykjavik
SEA
Seattle
$623 Roundtrip, found 2 days ago
$623
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, May 27 from Reykjavik to Seattle, returning Tue, Jun 4, priced at $623 found 2 days ago
Wed, May 29 - Thu, Jun 6
KEF
Reykjavik
SEA
Seattle
$630 Roundtrip, found 5 days ago
$630
Roundtrip
found 5 days ago
Select Icelandair flight, departing Wed, May 29 from Reykjavik to Seattle, returning Thu, Jun 6, priced at $630 found 5 days ago

Flight Schedule for KEF to SEA

CarrierFlightDepart KEFArrive SEAFri
4/26		Sat
4/27		Sun
4/28		Mon
4/29		Tue
4/30		Wed
5/1		Thu
5/2		Stops
FI68104:50 pm05:40 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

Can I catch a flight from Reykjavík--Keflavík Airport to Sea-Tac Airport right now?
For any present SEA travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught up.
Are there direct flights from KEF to SEA?
If you’d prefer to fly directly from Reykjavík–Keflavík Airport to Seattle - Tacoma Intl. Airport (SEA), try Icelandair. This airline is just the ticket if you want to reach your destination with minimum fuss.
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 Seattle - Tacoma Intl. Airport (SEA), please visit our Customer Service Portal.
How long is the flight from Keflavik Intl. Airport (KEF) to SEA?
It takes roughly 11 hours and 55 minutes to fly from Keflavik Intl. Airport (KEF) to Sea-Tac Airport. For this long-haul flight, you’ll want to be as well prepared as possible. Think about bringing a travel pillow for improved sleep, packing some healthy snacks and wearing loose-fitting, layered clothes.
What is the flight distance from Reykjavík--Keflavík Airport to Sea-Tac Airport?
You will have covered 3,600 mi by the time you’ve left the tarmac at Keflavik Intl. Airport (KEF) and landed smoothly at Sea-Tac Airport. We suggest you bring activities to while away the time — it’ll be a long ride.
What airlines fly from Reykjavík--Keflavík Airport to SEA?
Worked out the dates for your big adventure? Want to fly nonstop from Reykjanesbær to Seattle? With Icelandair offering 30 flights each month, you’ll be taking off soon enough.
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 Alaska Airlines, Delta or Southwest Airlines 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
Keflavik Intl.
Traveling To
Seattle - Tacoma Intl.
Shortest Flight Time
7 hours 50 mins
Earliest Departure Time
4:50PM GMT
Latest Departure Time
4:50PM GMT
Lowest Flight Price
$508

Route Info

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


Origin:
KEF - Keflavik International Airport
Destination:
SEA - Seattle-Tacoma International Airport
Distance:
3,631.00 miles


Airlines & Aircraft Used on KEF to SEA Flight Routes


Airline Carrier
Aircraft
Icelandair
Boeing 737-700 pax

Discover our best flights from Reykjavik KEF to Seattle SEA. 

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 Reykjavik KEF to Seattle SEA at the right price  

Airfares to Seattle SEA from Reykjavik KEF currently cost between $508 and $630. 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 Reykjavik KEF to Seattle SEA 

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 Reykjavik KEF to Seattle SEA on Travelocity starting at $213. Prices and availability subject to change. Additional terms may apply. 

 

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

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from KEF to take around 7 hour(s) 50 min(s).  

 

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

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from KEF. 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 Reykjavik KEF to Seattle SEA today 

If you’re flexible about when you travel, August is usually the cheapest month to fly from Reykjavik KEF to Seattle SEA. 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 Seattle SEA from Reykjavik KEF 

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

 

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