KEF - SEA

$452 Find Cheap Flights from Reykjavik to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$452
Typical prices: $657-$784
Icelandair
Mon 3/12Thu 3/15
KEF - SEA • Non-stop
Cheapest one-way
$478
Typical prices: $520-$712
Icelandair
Fri 4/6
KEF - SEA • Non-stop
Nonstop flights
You can fly direct with Icelandair. Average duration is 8h
Direct flights
+1
Direct flights
+1
When to travel
Cheapest • 34% price drop
Most popular
Good to know
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Good to know
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Booking Insights
Flight Deals

Cheap Flights from Reykjavik to Seattle (KEF-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reykjavik to Seattle

Fri, Mar 12 - Mon, Mar 15
Icelandair Logo
5:00 pm - 5:00 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
8h 00mnonstop
Icelandair Logo
3:35 pm - 6:15 amSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 40mnonstop
$452Icelandair
Fri, Dec 25 - Sat, Jan 2
Icelandair Logo
5:00 pm - 5:00 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
8h 00mnonstop
Icelandair Logo
2:35 pm - 6:15 amSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 40mnonstop
$657Icelandair
Fri, Dec 25 - Fri, Jan 1
Icelandair Logo
5:00 pm - 5:00 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
8h 00mnonstop
Icelandair Logo
2:35 pm - 6:15 amSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 40mnonstop
$659Icelandair
Fri, Apr 30 - Thu, May 13
Icelandair Logo
7:45 pm - 8:40 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
7h 55mnonstop
Icelandair Logo
3:40 pm - 6:15 amSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 35mnonstop
$663Icelandair
Sat, May 1 - Wed, May 12
Icelandair Logo
4:50 pm - 5:55 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
8h 05mnonstop
Icelandair Logo
11:25 pm - 2:00 pmSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 35mnonstop
$666Icelandair
Fri, Dec 25 - Sun, Jan 3
Icelandair Logo
5:00 pm - 5:00 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
8h 00mnonstop
Icelandair Logo
2:35 pm - 6:15 amSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 40mnonstop
$671Icelandair
Wed, Apr 28 - Thu, May 13
Icelandair Logo
7:45 pm - 8:40 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
7h 55mnonstop
Icelandair Logo
3:40 pm - 6:15 amSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 35mnonstop
$674Icelandair
Fri, Dec 25 - Thu, Dec 31
Icelandair Logo
5:00 pm - 5:00 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
8h 00mnonstop
Icelandair Logo
2:35 pm - 6:15 amSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 40mnonstop
$677Icelandair
Mon, May 3 - Fri, May 14
Icelandair Logo
7:45 pm - 8:40 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
7h 55mnonstop
Icelandair Logo
7:00 pm - 9:25 amSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 25mnonstop
$687Icelandair
Sun, May 2 - Tue, May 11
Icelandair Logo
7:45 pm - 8:40 pmKEF  Reykjavik Keflavik Intl-SEA Seattle/Tacoma Intl
7h 55mnonstop
Icelandair Logo
7:00 pm - 9:25 amSEA  Seattle/Tacoma Intl-KEF Reykjavik Keflavik Intl
7h 25mnonstop
$689Icelandair
Booking Insights

Price, demand and travel trends for Reykjavik Keflavik Intl Airport to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Reykjavik Keflavik Intl Airport to Seattle?

Round-trip flights from Reykjavik Keflavik Intl Airport to Seattle typically range from $657 to $784. The lowest price found in the past 5 days was $452, on Icelandair.

What's the cheapest day of the week to fly from Reykjavik Keflavik Intl Airport to Seattle?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Reykjavik Keflavik Intl Airport to Seattle. It’s 40% cheaper than the average day, while Saturday is the most expensive, with prices 14% higher.

Key details for Reykjavik Keflavik Intl Airport to Seattle flights

Low season

April

Cheapest flight

$452
Beat the crowds with an average 71% drop in travelers.
The most popular month to fly with an average 62% increase in travelers.
Round-trip flight from Reykjavik Keflavik Intl Airport to Seattle

When to book flights from Reykjavik to Seattle

Are your dates flexible? Find out the best times to travel from Reykjavik to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Reykjavik Keflavik Intl Airport to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Reykjavik Keflavik Intl Airport to Seattle?

    These are the earliest and latest flight times currently scheduled from Reykjavik Keflavik Intl Airport to Seattle:

    • Earliest: departs at 5:00 pm and lands at 1:00 am
    • Latest: departs at 5:00 pm and lands at 1:00 am.

    The flight takes about 8h.

  • What cabin classes can I book on flights from Reykjavik Keflavik Intl Airport to Seattle?

    Two cabin classes are available on flights from Reykjavik Keflavik Intl Airport to Seattle:

    • Economy Class
    • Business Class

  • How long is a flight from Reykjavik Keflavik Intl Airport to Seattle?

    A nonstop flight from Reykjavik Keflavik Intl Airport to Seattle takes about 8h, covering 3,608 miles.

  • Do I need a passport to fly from Reykjavik Keflavik Intl Airport to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Reykjavik Keflavik Intl Airport to Seattle flight?

    Round-trip flights from Reykjavik Keflavik Intl Airport to Seattle range from $657 to $784, with an average of $723 over the past 12 months. Anything below $657 counts as a good deal.

  • What is the standard checked-bag allowance on flights from Reykjavik Keflavik Intl Airport to Seattle?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $100–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Reykjavik Keflavik Intl Airport to Seattle?

    The Airbus A321neo family is used most often on this route, operated mainly by Icelandair. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • How are flight departures from Reykjavik Keflavik Intl Airport to Seattle spread across the day?

    Flights between Reykjavik Keflavik Intl Airport and Seattle typically depart in the evening.

  • Have flight prices from Reykjavik Keflavik Intl Airport to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $452 to $2,836. That means the highest observed fare was about 6x higher than the lowest one.

  • Which airlines offer Wi-Fi on Reykjavik Keflavik Intl Airport to Seattle flights?

    Alaska Airlines is typically the only airline on the Reykjavik Keflavik Intl Airport to Seattle route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Reykjavik Keflavik Intl Airport to Seattle looking right now?

    One-way fares from Reykjavik Keflavik Intl Airport to Seattle are currently lower than usual. Average one-way flight prices are about $528, which is 10% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

    • Europcar
    • Fox
    • Thrifty
    • Budget
    • Dollar

  • Which airports can I use when flying from Reykjavik Keflavik Intl Airport to Seattle?

    Flights from Reykjavik Keflavik Intl Airport to Seattle usually depart from Reykjavik Keflavik Intl (KEF) and arrive at Seattle/Tacoma Intl (SEA).

  • Can I save money by using flexible dates for flights from Reykjavik Keflavik Intl Airport to Seattle?

    Yes. Flexible dates can save you up to 48% on flights from Reykjavik Keflavik Intl Airport to Seattle. Sunday is the cheapest departure day at $436 round-trip on average, while Saturday is the most expensive at $825, a difference of $389.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Reykjavik Keflavik Intl Airport to Seattle?

    Only Icelandair currently operates flights between Reykjavik Keflavik Intl Airport and Seattle on a regular basis.

  • What is the time difference between Reykjavik Keflavik Intl Airport and Seattle?

    Seattle is 8 hours behind Reykjavik Keflavik Intl Airport (Pacific Time vs Greenwich Mean Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • Which airlines offer free seat selection on Reykjavik Keflavik Intl Airport to Seattle flights?

    Only Icelandair currently offers free seat selection on this route. Availability depends on fare class.

  • Which airlines offer extra legroom on Reykjavik Keflavik Intl Airport to Seattle flights?

    Only Icelandair currently offers extra legroom on this route. Availability can vary by aircraft type and fare class.

  • Which airlines include bags at no extra cost on Reykjavik Keflavik Intl Airport to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Icelandair: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Reykjavik Keflavik Intl Airport to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Saturday. On this route, Sunday flights average $436, about $389 less than Saturday fares (47% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Reykjavik Keflavik Intl Airport to Seattle trip for April. Fares historically average $479 round-trip in that month - typically $960 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

Prefer to fly direct from Reykjavik to Seattle?

 
Find which airlines fly direct from Reykjavik Keflavik Intl Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Reykjavik Keflavik Intl to Seattle/Tacoma Intl

Monday

Icelandair

Icelandair

Tuesday

Icelandair

Icelandair

Wednesday

Icelandair

Icelandair

Thursday

Icelandair

Icelandair

Friday

Icelandair

Icelandair

Saturday

Icelandair

Icelandair

Sunday

Icelandair

Icelandair

See more direct flights

Direct returns

Seattle/Tacoma Intl to Reykjavik Keflavik Intl

Monday

Icelandair

Icelandair

Tuesday

Icelandair

Icelandair

Wednesday

Icelandair

Icelandair

Thursday

Icelandair

Icelandair

Friday

Icelandair

Icelandair

Saturday

Icelandair

Icelandair

Sunday

Icelandair

Icelandair

See more direct flights

More options for your flight from Reykjavik to Seattle

Complete your trip to Seattle with a hotel stay or car rental