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Cheap Flights from Reykjavik (REYK) to Seattle / Tacoma International (SEA)

Compare Reykjavik to Seattle / Tacoma International flight deals

Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

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Flight deals from Reykjavik to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Reykjavik to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from £397. Find the lowest prices on one-way and return tickets right here.
Seattle.£238 per passenger.Departing Tue, 9 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Reykjavik Keflavik on Tue, 9 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £238, select.
Seattle.£239 per passenger.Departing Mon, 21 Sep.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Reykjavik Keflavik on Mon, 21 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £239, select.
Seattle.£240 per passenger.Departing Tue, 7 Jul.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Reykjavik Keflavik on Tue, 7 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £240, select.
Seattle.£244 per passenger.Departing Sat, 1 Aug.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Reykjavik Keflavik on Sat, 1 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £244, select.
Seattle.£284 per passenger.Departing Tue, 26 May.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Reykjavik Keflavik on Tue, 26 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £284, select.
Seattle.£373 per passenger.Departing Thu, 22 Apr.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Thu, 22 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £373, select.
Seattle.£376 per passenger.Departing Sat, 29 Aug.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Sat, 29 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £376, select.
Seattle.£378 per passenger.Departing Tue, 2 Jun.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Tue, 2 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £378, select.
Seattle.£379 per passenger.Departing Sun, 22 Nov.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Sun, 22 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £379, select.
Seattle.£380 per passenger.Departing Tue, 1 Dec.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Tue, 1 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £380, select.
Seattle.£380 per passenger.Departing Wed, 28 Oct.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Wed, 28 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £380, select.
Seattle.£381 per passenger.Departing Fri, 1 Jan.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Fri, 1 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £381, select.
Seattle.£389 per passenger.Departing Sat, 26 Sep.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Sat, 26 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £389, select.
Seattle.£410 per passenger.Departing Sat, 30 May.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Reykjavik Keflavik on Sat, 30 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £410, select.
Seattle.£426 per passenger.Departing Tue, 28 Jul.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Tue, 28 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £426, select.
Seattle.£1,177 per passenger.Departing Sat, 15 May.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Reykjavik Keflavik on Sat, 15 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £1,177, select.

Find the cheapest month to fly from Reykjavik to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Reykjavik to Seattle / Tacoma International flights are currently cheapest in June.
May
from £284
Jun
from £238
Jul
from £240
Aug
from £244
Sep
from £239
Oct
from £380
Nov
from £379
Dec
from £380
Jan
from £381
Feb
Find prices
Mar
Find prices
Apr
from £373

Direct flights from Reykjavik to Seattle / Tacoma International

Reykjavik to Seattle / Tacoma International: Alternative routes

Compare routes from Reykjavik to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Seattle Lake Union SPB

1 mile from central Seattle
Closest
from £293
Search flights

Seattle Boeing Fld

7 miles from central Seattle
from £391
Search flights

Seattle / Tacoma International

12 miles from central Seattle
Cheapest
from £238
Search flights

Paine Field

20 miles from central Seattle
from £537
Search flights

Reykjavik to Seattle: Flight information

The things to know before you go.
Cheapest flight found£238
Cheapest month to flyJune
Average flight time8 hrs
Most popular airlineAlaska Airlines
Average flights per week32

Finding cheap flights from Reykjavik to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Reykjavik to Seattle / Tacoma International is £397. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
8 hours is the average flight time from Reykjavik to Seattle / Tacoma International.
Alaska Airlines, Icelandair and Atlantic Airways fly direct from Reykjavik to Seattle / Tacoma International.
As of May 2026, there are 33 flights per week flying from Reykjavik to Seattle / Tacoma International.
The cheapest month to fly from Reykjavik to Seattle / Tacoma International is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Reykjavik to Seattle / Tacoma International Airport on Monday, 15 June 2026.
Yes – the average flight time is 8 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Seattle / Tacoma International is Icelandair .

Travelling from Reykjavik to Seattle-Tacoma International Airport (SEA): What you need to know

  • Keflavik Airport (KEF) is Reykjavik's main airport. Check out your options for booking a flight from Reykjavik to Seattle-Tacoma International Airport (SEA) taking off from here.

  • 8 hours 5 minutes is the average duration of a direct Reykjavik to Seattle-Tacoma International Airport flight.

  • Seattle is eight hours behind Reykjavik. Seattle-Tacoma International Airport is located in Seattle, which runs on the UTC-8 timezone.

  • Keflavik Airport (KEF) to Seattle-Tacoma International Airport (SEA) is the most popular route. You can select from 16 direct services a week between KEF and SEA.

  • Get to the airport on time so you don't miss your flight from Reykjavik to SEA. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • You'll want to head there even earlier during popular months like August. Aim for two hours before domestic departures and four hours ahead of international journeys. After checking in, you can use any extra time to relax or go over your itinerary.

Airports in Reykjavik

Keflavik Airport (KEF)

  • You can book a direct flight from Reykjavik to Seattle-Tacoma International Airport (SEA) departing from Keflavik Airport (KEF).

  • When departing from KEF, you can take a direct flight from Reykjavik to Seattle-Tacoma International Airport with Icelandair.

  • The top choice among passengers flying between KEF and SEA is Flugfélag Íslands.

  • Alaska Airlines is the top performer for punctuality on this route.

  • We make it a piece of cake to find cheap flights from Reykjavik to SEA with a stopover. To explore your options departing from Keflavik Airport (KEF), uncheck 'Direct flights only.' Next, select a flight that has a stop long enough to tour your chosen city. Major stopovers between KEF and SEA include:

    • Vancouver International Airport (YVR)

    • Calgary International Airport (YYC)

    • Portland International Airport (PDX)

  • Located around 48 kms (30 miles) from the centre of Reykjavik, KEF can be reached in about 45 minutes by car, depending on traffic. The journey by public transport will take roughly 55 minutes.

  • In search of a convenient hotel near Keflavik Airport? If you're catching an early flight from Reykjavik to Seattle-Tacoma International Airport, these stays will have you sleeping a quick hop from check-in:

  • When it comes to Keflavik Airport's on-time performance, data shows 79% of flights stick to their scheduled arrival time.

Reykjavik Airport (RKV)

  • You can get to RKV from central Reykjavik in approximately 10 minutes by car, depending on traffic conditions. The ride on public transport will take roughly 20 minutes to cover the 2 kms (1 mile) or so.

  • Want to treat yourself to an extra night away before boarding your Reykjavik to SEA flight? Kick back in a hotel near Reykjavik Airport before your holiday officially begins. Here's where you can stay:

  • Flights from Reykjavik Airport have a reputation for punctuality, with 81% of them arriving as expected.

About Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • From Seattle-Tacoma International Airport, central Seattle is around 23 kms (14 miles) away. It takes about 25 minutes to reach the city centre by car.

  • If you're taking public transport, expect a journey time of about 35 minutes.

How to find the cheapest flights from Reykjavik to Seattle-Tacoma International Airport (SEA)

  • At the moment, £238 is the best price we've found for a one-way ticket from Reykjavik to Seattle-Tacoma International Airport. The cheapest price for a return flight is £397. Remember fares can change due to availability at the time of booking.

  • Get cheap flights from Reykjavik to SEA by booking one month ahead. Based on our research, that's the sweet spot for finding a bargain.

  • The best month for finding cheap Reykjavik to Seattle-Tacoma International Airport tickets is June. Use the 'Whole month' tool to compare flight prices, then select the dates with the lowest fares.

  • Save time searching for cheap plane tickets from Reykjavik to SEA by creating a Price Alert. We'll send you an email or notification through the app when prices go down.

  • Filters make it easier to scoop up a deal on your flight from Reykjavik to Seattle-Tacoma International Airport. Choose the departure times, airlines and number of stops that make sense for you. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Reykjavik to Seattle-Tacoma International Airport (SEA)

  • Think about the kind of experience you want when deciding your trip dates. December is the quietest month to visit Seattle. July is when most people book flights from Reykjavik to Seattle-Tacoma International Airport (SEA), which may be ideal if you enjoy travelling when it's busier.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Book your Reykjavik to SEA plane ticket then if that's your idea of comfortable weather.

  • Look for cheap tickets from Reykjavik to Seattle-Tacoma International Airport in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Reykjavik to Seattle-Tacoma International Airport, explore our selection of accommodation options including:

  • Every great adventure has to include a little sightseeing. Space Needle, Pike Place Market and Seattle Skyline are must-visits when exploring Seattle.

Explore more of the United States

  • Portland is just one of the many cities in the United States waiting to be explored once you've taken in the sights of Seattle. Around 209 kms (130 miles) away to the south, check out popular attractions including Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

  • Around 209 kms (130 miles) south of Seattle, Vancouver is another essential stop in the United States. Experience this destination's highlights firsthand at Reconstructed HBC Fort Vancouver, The Marshall House: Victorian Jewel of Officers Row and Clark County Historical Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.