Cheap flights from Seattle (SEA) to Keflavik Intl (KEF)

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How to find the cheapest flight from
Seattle (SEA) to Keflavik Intl (KEF)

All the information you need to plan the best SEA to KEF flight in 2022: compare Seattle to Keflavik Intl flight prices with the expected peak season, weather and rainfall in Keflavik Intl.
SEA - KEF
Price
$637 - $825
KEF
Temperature
32 - 51.8 °F
KEF
Rainfall
1.6 - 3.1 inches

Popular in

December

High demand for flights, 15% potential price rise

Cheapest in

October

Best time to find cheap flights, 9% potential price drop

Round-trip from

$637

From Seattle/Tacoma Intl to Reykjavik Keflavik Intl

One-way from

$357

One-way flight from Seattle/Tacoma Intl to Reykjavik Keflavik Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Seattle to Reykjavik Keflavik Intl Airport?

Flights from Seattle to Reykjavik Keflavik Intl Airport lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Reykjavik Keflavik Intl Airport in October, with the cheapest ticket starting at $490.

When is the cheapest time to fly from Seattle to Reykjavik Keflavik Intl Airport (SEA - KEF)?

When flying from Seattle to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How far in advance should I book a flight from Seattle to Reykjavik Keflavik Intl Airport?

Travelers have found it’s best to book a flight 61 days in advance to save up to 24% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Reykjavik Keflavik Intl Airport 1-2 weeks in advance for as low as $843, or $921 for flights within the next 24 hours.

Cheap flights from Seattle to Keflavik Intl in June, July 2022

The best prices found for SEA to KEF flights for June, July
19 Jul - 28 Jul
$732pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
27 Jul - 9 Aug
$807pp
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
18 Jul - 10 Aug
$813pp
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Keflavik Intl 2022 flight deals

Cheap flights to Keflavik Intl from Seattle found for this year
10 Oct - 20 Oct
$598pp
SEA
Seattle/Tacoma Intl
Finnair
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Finnair
 
1 STOP
SEA
Seattle/Tacoma Intl
7 Sep - 22 Sep
$605pp
SEA
Seattle/Tacoma Intl
Finnair
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Finnair
 
1 STOP
SEA
Seattle/Tacoma Intl
16 Sep - 5 Oct
$606pp
SEA
Seattle/Tacoma Intl
Finnair
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Finnair
   
2 STOPS
SEA
Seattle/Tacoma Intl

Non-stop flights to Keflavik Intl from Seattle

Save time with Seattle to Keflavik Intl direct flight deals
29 Oct - 4 Nov
$665pp
SEA
Seattle/Tacoma Intl
Icelandair
Non-Stop
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Non-Stop
SEA
Seattle/Tacoma Intl
13 Oct - 18 Oct
$666pp
SEA
Seattle/Tacoma Intl
Icelandair
Non-Stop
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Non-Stop
SEA
Seattle/Tacoma Intl
13 Sep - 5 Oct
$667pp
SEA
Seattle/Tacoma Intl
Icelandair
Non-Stop
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Keflavik Intl

Late deals on round-trip flights to Keflavik Intl from Seattle, departing today and this week
29 Jun - 31 Aug
$897pp
SEA
Seattle/Tacoma Intl
Icelandair
Non-Stop
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
Non-Stop
SEA
Seattle/Tacoma Intl
28 Jun - 14 Jul
$1,026pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
28 Jun - 14 Jul
$1,028pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Keflavik Intl from Seattle

The cheapest one-way flights from Seattle to Keflavik Intl
11:50 am - 2:15 am
Icelandair
Nonstop
7h 25m
SEA - KEF
Icelandair
$357
oojo
3:05 pm - 5:30 am
Icelandair
Nonstop
7h 25m
SEA - KEF
Icelandair
$367
oojo
3:05 pm - 5:30 am
Icelandair
Nonstop
7h 25m
SEA - KEF
Icelandair
$377
oojo

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Keflavik Intl</span> flights.

Flight FAQs

From Seattle to Keflavik Intl

What airport do you fly from for flights from Seattle to Reykjavik Keflavik Intl?

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Reykjavik Keflavik Intl. On average, Seattle/Tacoma Intl has 3 outbound flights to Reykjavik Keflavik Intl per day from 7 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

Which airlines flying from Seattle/Tacoma Intl to Reykjavik Keflavik Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to Reykjavik Keflavik Intl have new flexible policies in place due to COVID-19. Icelandair, KLM, and Air France are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Icelandair with this kind of flexibility.

Can I find flights from Seattle to Reykjavik Keflavik Intl Airport for under $600 on Cheapflights?

Yes, there are multiple flights from Seattle to Reykjavik Keflavik Intl Airport for under $600. The cheapest flight booked recently is on Finnair for just $598, but on average you can expect to pay $650.

Are there nonstop flights from Seattle to Reykjavik Keflavik Intl Airport for under $700 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to Reykjavik Keflavik Intl Airport under $700. A good price for a nonstop flight from Seattle to Reykjavik Keflavik Intl Airport is less than $697.

Are there last-minute flights available from Seattle to Reykjavik Keflavik Intl Airport for under $900?

There are currently 20+ open flights from Seattle to Reykjavik Keflavik Intl Airport within the next 7 days for less than $900.

What are the cheapest airlines flying from Seattle to Reykjavik Keflavik Intl Airport round-trip?

Currently priced at $598, Finnair will fly you from Seattle to Reykjavik Keflavik Intl Airport and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $655 and $660, respectively. You may be able to fly from Seattle to Reykjavik Keflavik Intl Airport for 14% less than the average price by searching for these airlines.

What are the most popular airlines that fly from Seattle to Reykjavik Keflavik Intl Airport?

Air Canada, Air France and Finnair are the most popular airlines when flying from Seattle to Reykjavik Keflavik Intl Airport.

What are the cheapest flights from Seattle to Reykjavik Keflavik Intl Airport?

Looking at all options, your cheapest flight can be booked for $428. While the most popular route (Seattle/Tacoma Intl - Reykjavik Keflavik Intl) can be booked for $605 on average our data indicates $2,916 when flying from Seattle to Reykjavik Keflavik Intl Airport.

COVID Restrictions

View COVID Travel Restrictions for Keflavik Intl, Iceland

Do I need a COVID test to fly to Keflavik Intl from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Reykjavik Keflavik Intl

Most visitors from Seattle/Tacoma Intl can enter Reykjavik Keflavik Intl without restrictions.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Reykjavik Keflavik Intl.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Reykjavik Keflavik Intl.

Do I need a test to fly back to Seattle from Keflavik Intl?

Returning to Seattle/Tacoma Intl from Reykjavik Keflavik Intl

COVID-19 testing requirements
Visitors from Reykjavik Keflavik Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Reykjavik Keflavik Intl are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Keflavik Intl, Iceland

Alternative routes for Seattle to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Keflavik Intl

Things to know before you go - useful duration and weather info for your trip from Seattle to Keflavik Intl.
Today's exchange rate
$1 = 131 kr
Flight duration from SEA to Reykjavik Keflavik Intl
7h 37m
Average temperature for June in Keflavik Intl
55.4 °F
Avg rainfall for June in Keflavik Intl
0.8 ″

Airports servicing Seattle

Airports servicing Reykjavik

Top 6 airlines flying from Seattle/Tacoma Intl to Reykjavik Keflavik Intl

The chart below displays the airlines Cheapflights users traveling from Seattle to Keflavik Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$11 $21 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Air France
$274 $282 No cancel fee 77%
KLM
$280 $282 No cancel fee 75%
United Airlines
$457 $542 No cancel fee 69%
Icelandair
$614 $721 No cancel fee 76%
Delta
$670 $686 No cancel fee N/A

Hourly flight availability from Seattle to Keflavik Intl

See what time of day planes typically take off from Seattle towards Keflavik Intl.
Afternoon Noon to 6 PM 63% of SEA to KEF departures
Evening 6 PM to midnight 36% of SEA to KEF departures
Early morning Midnight to 6 AM 1% of SEA to KEF departures
Morning 6 AM to noon 0% of SEA to KEF departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to Keflavik Intl
See how many times per day planes take to the skies headed from Seattle to Keflavik Intl.
Sunday
3 daily flights
Monday
3 daily flights
Tuesday
3 daily flights
Wednesday
3 daily flights
Thursday
3 daily flights
Friday
3 daily flights
Saturday
3 daily flights
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