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Flight tickets from Seattle to Reykjavik Keflavik

Compare Seattle to Reykjavik Keflavik flight deals

Find the cheapest month or even day of the year to fly to Reykjavik Keflavik

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Flight deals from Seattle to Reykjavik Keflavik

Looking for a cheap last-minute deal or the best return flight from Seattle to Reykjavik Keflavik Airport? If you want to travel next month, return fares start from ₹ 45,912. Find the lowest prices on one-way and return tickets right here.
Reykjavik.₹ 29,983 per passenger.Departing Mon, 28 Sep.One-way flight with Air France.Outbound indirect flight with Air France, departs from Seattle / Tacoma International on Mon, 28 Sep, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 29,983, select.
Reykjavik.₹ 31,211 per passenger.Departing Mon, 2 Nov.One-way flight with Air France.Outbound indirect flight with Air France, departs from Seattle / Tacoma International on Mon, 2 Nov, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 31,211, select.
Reykjavik.₹ 34,358 per passenger.Departing Sun, 12 Jul.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Sun, 12 Jul, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 34,358, select.
Reykjavik.₹ 39,186 per passenger.Departing Tue, 23 Jun.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 23 Jun, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 39,186, select.
Reykjavik.₹ 40,026 per passenger.Departing Wed, 26 Aug.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Wed, 26 Aug, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 40,026, select.
Reykjavik.₹ 43,910 per passenger.Departing Sat, 3 Oct.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Sat, 3 Oct, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 43,910, select.
Reykjavik.₹ 47,284 per passenger.Departing Fri, 29 May.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Fri, 29 May, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 47,284, select.
Reykjavik.₹ 49,531 per passenger.Departing Sun, 25 Oct.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Seattle / Tacoma International on Sun, 25 Oct, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 49,531, select.
Reykjavik.₹ 49,531 per passenger.Departing Sat, 11 Jul.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Seattle / Tacoma International on Sat, 11 Jul, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 49,531, select.
Reykjavik.₹ 49,795 per passenger.Departing Tue, 23 Jun.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Seattle / Tacoma International on Tue, 23 Jun, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 49,795, select.
Reykjavik.₹ 49,874 per passenger.Departing Sat, 12 Sep.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Seattle / Tacoma International on Sat, 12 Sep, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 49,874, select.
Reykjavik.₹ 49,956 per passenger.Departing Sat, 21 Nov.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Seattle / Tacoma International on Sat, 21 Nov, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 49,956, select.
Reykjavik.₹ 49,958 per passenger.Departing Sat, 15 Aug.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Seattle / Tacoma International on Sat, 15 Aug, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 49,958, select.
Reykjavik.₹ 49,988 per passenger.Departing Mon, 29 Mar.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Seattle / Tacoma International on Mon, 29 Mar, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 49,988, select.
Reykjavik.₹ 50,031 per passenger.Departing Fri, 11 Dec.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Seattle / Tacoma International on Fri, 11 Dec, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 50,031, select.
Reykjavik.₹ 50,317 per passenger.Departing Fri, 5 Feb.One-way flight with Icelandair.Outbound direct flight with Icelandair departs from Seattle / Tacoma International on Fri, 5 Feb, arriving in Reykjavik Keflavik.Price includes taxes and charges.From ₹ 50,317, select.

Find the cheapest month to fly from Seattle to Reykjavik Keflavik

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Reykjavik Keflavik flights are currently cheapest in September.
May
from ₹ 47,284
Jun
from ₹ 39,186
Jul
from ₹ 34,358
Aug
from ₹ 40,026
Sep
from ₹ 29,983
Oct
from ₹ 43,910
Nov
from ₹ 31,211
Dec
from ₹ 50,031
Jan
Find prices
Feb
from ₹ 50,317
Mar
from ₹ 49,988
Apr
Find prices

Direct flights from Seattle to Reykjavik Keflavik

Seattle to Reykjavik Keflavik: Alternative routes

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

Reykjavik Domestic

1km from central Reykjavik
Closest
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Reykjavik Keflavik

37km from central Reykjavik
Cheapest
from ₹ 29,983
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Seattle to Reykjavik: Flight information

The things to know before you go.
Cheapest flight found₹ 29,983
Cheapest month to flySeptember
Average flight time7 hrs, 33 mins
Most popular airlineAlaska Airlines
Average flights per week32

Finding cheap flights from Seattle to Reykjavik Keflavik: Frequently asked questions

The best price we found for a return flight from Seattle to Reykjavik Keflavik is ₹ 44,587. 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.
7 hours and 33 minutes is the average flight time from Seattle to Reykjavik Keflavik.
Alaska Airlines, Icelandair and airBaltic fly direct from Seattle to Reykjavik Keflavik.
As of May 2026, there are 32 flights per week flying from Seattle to Reykjavik Keflavik.
The cheapest month to fly from Seattle to Reykjavik Keflavik is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Reykjavik Keflavik Airport on Friday, 25 September 2026.
Yes – the average flight time is 7 hours and 33 minutes.
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 Reykjavik Keflavik 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 Reykjavik is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Reykjavik Keflavik is Icelandair .

Travelling from Seattle to Keflavik Airport (KEF): What you need to know

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

  • Around 7 hours 30 minutes is how long you'll be travelling on a direct Seattle to Keflavik Airport flight.

  • The timezone in Reykjavik is UTC+0, which is eight hours ahead of Seattle. Keflavik Airport is located in Reykjavik.

  • The most popular route is Seattle-Tacoma International Airport (SEA) to Keflavik Airport (KEF). You can pick from 16 direct services every week.

  • Your flight from Seattle to KEF won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Flying during a peak month like July? Popular seasons (like spring break and New Year) can add another hour at check-in and security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Enjoy an uninterrupted journey from Seattle-Tacoma International Airport (SEA). Direct flights from Seattle to Keflavik Airport (KEF) can be booked from here.

  • Icelandair is a well-known airline that offers direct flights from Seattle to Keflavik Airport departing from SEA.

  • Most passengers choose to book seats with Flugfélag Íslands between SEA and KEF.

  • Alaska Airlines is the most punctual carrier operating on this route, with 79.71% of its services arriving on schedule.

  • Stopovers are the perfect opportunity to take a break from travelling and perhaps even explore another city. When searching for cheap flights from Seattle to KEF leaving from Seattle-Tacoma International Airport (SEA), deselect the 'Direct flights only' box to find out where you can visit along the way. Popular options include:

    • Denver International Airport (DEN)

    • Minneapolis-Saint Paul International Airport (MSP)

    • Portland International Airport (PDX)

  • The journey from central Seattle to SEA takes around 35 minutes by public transport. If you drive, ride-share or get a taxi, you'll cover the 23 kilometres in 25 minutes or so, depending on traffic conditions.

  • Want a stress-free start to your trip? Stay near Seattle-Tacoma International Airport. Whether you're catching an early flight from Seattle to Keflavik Airport or just don't want to be rushed, these hotels are the ideal choice:

  • 80% of flights leaving Seattle-Tacoma International Airport arrive at their destination on schedule. Given its strong on-time stats, you're unlikely to face delays when taking off from SEA.

Seattle Paine Field International Airport (PAE)

  • With public transport, you can travel from central Seattle to PAE in about 1 hour 30 minutes. The airport is roughly 40 kilometres away, and making the trip by car takes approximately 40 minutes.

  • Get your holiday started early with an extra night away from home. Before your Seattle to KEF flight, unwind in one of these hotels close to Seattle Paine Field International Airport:

  • Seattle Paine Field International Airport has earned its reputation for punctuality. 80% of flights taking off from here meet their scheduled arrival times without fail.

About Keflavik Airport (KEF)

Getting from Keflavik Airport (KEF) to central Reykjavik

  • From Keflavik Airport, central Reykjavik is around 48 kilometres away. It takes about 45 minutes to reach the city centre by car.

  • Travelling by public transport takes around 55 minutes.

How to find the cheapest flights from Seattle to Keflavik Airport (KEF)

  • ₹ 29,983 is the best price for a one-way ticket from Seattle to Keflavik Airport. A return flight starts from ₹ 44,587. These fares may change depending on availability.

  • Book five months before flying. Research into pricing trends suggests this is the ideal window for finding cheap flights from Seattle to KEF.

  • The best month for picking up cheap Seattle to Keflavik Airport tickets is October. Use the 'Whole month' tool to compare flight prices, then select the dates with the lowest fares.

  • Snapping up a cheap plane ticket from Seattle to KEF is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Filters make it easier to snap up a deal on your flight from Seattle to Keflavik Airport. Choose the airlines, flight times and stops that make sense for you. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Seattle to Keflavik Airport (KEF)

  • January is the quietest month for flights from Seattle to Keflavik Airport (KEF), while August is the most popular. Find the best time to visit Reykjavik based on whether you like a laid-back vibe or a lively atmosphere.

  • The warmest month in Reykjavik is July, with temperatures ranging between 8ºC and 15ºC. Lock in your Seattle to KEF plane ticket then if you enjoy this type of weather.

  • Search for cheap tickets from Seattle to Keflavik Airport in December if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -6ºC and 4ºC.

More about Reykjavik

  • Once you've booked your flight from Seattle to Keflavik Airport, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Reykjavik:

  • All great journeys should include a little sightseeing. The Northern Light Centre, Harpa and Sun Voyager are must-do's during your Reykjavik adventure.

Explore more of Iceland

  • You've done Reykjavik, now it's time to discover other parts of Iceland. Travel around 290 kilometres northeast to Akureyri to check off its must-visit sights. From Kjarnaskógur to Nordurslod - Into the Arctic and Regnbogastiginn, your itinerary will be busy.

  • Vestmannaeyjar is another sought-after destination in Iceland and is around 137 kilometres southeast of Reykjavik. No trip is complete without experiencing Puffins of Westman Isles, Heimaey Island, Vestmanna Islands and Heimaklettur.

Plan the rest of your trip from Seattle to Reykjavik

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