$496 Find Cheap Flights from Reykjavik to Seattle - Compare and Save

Among airlines operating Reykjavik Keflavik Intl Airport to Seattle flights:

• Icelandair: offers extra legroom; offers free seat selection
• Alaska Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Icelandair operates flights between Reykjavik Keflavik Intl Airport and Seattle.

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

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
• Atlantic Airways: a cabin bag in Economy Class class

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

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

• Economy Class
• Business Class
• First Class

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $83–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

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

On the Reykjavik Keflavik Intl Airport to Seattle route, being flexible with your departure day can save you up to 54%. Sunday is the cheapest day at $436 round-trip on average, while Wednesday is the most expensive at $938: a $502 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Evening is the busiest departure period on Reykjavik Keflavik Intl Airport to Seattle flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

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.

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

• Earliest: departs at 4:50 pm and lands at 12:51 am
• Latest: departs at 7:45 pm and lands at 3:46 am.

The flight takes about 8h 01m.

A nonstop flight from Reykjavik Keflavik Intl Airport to Seattle takes 8h 01m, covering 3,608 miles.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $640 to $2,675. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Reykjavik Keflavik Intl Airport to Seattle are currently lower than usual. Average one-way flight prices are about $542, which is 8% below the typical average for this route.

Seattle is 7 hours behind Reykjavik Keflavik Intl Airport (Pacific Time vs Greenwich Mean Time). Plan for the time shift when scheduling connections or first-day activities.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Round-trip flights from Reykjavik Keflavik Intl Airport to Seattle range from $668 to $906, with an average of $743 over the past 12 months. Anything below $668 counts as a good deal.

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