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$310+ Cheap flights from Keflavik Intl (KEF) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SEA
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$585
(CheapTickets)

One-way from

$310
(Kiwi.com)
Provider with most accurate pricing for Reykjavik Keflavik Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Seattle/Tacoma Intl flights.
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From Reykjavik Keflavik Intl to Seattle/Tacoma Intl
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One-way flight from Reykjavik Keflavik Intl to Seattle/Tacoma Intl
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Find flight deals from Keflavik Intl to Seattle

Cheapest flights from Keflavik Intl to Seattle
Explore the most affordable flight options available from Keflavik Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/84:00 pmKEF - SEA
3 stops36h 26mMultiple Airlines
Sun 12/1512:50 pmSEA - KEF
3 stops32h 10mMultiple Airlines
Deal found 11/20$837
This Gotogate deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/215:05 pmKEF - SEA
Nonstop7h 55mIcelandair
Thu 11/282:35 pmSEA - KEF
Nonstop7h 40mIcelandair
Deal found 11/20$840
This Ovago deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/87:35 amKEF - SEA
2 stops22h 49mScandinavian Airlines
Sun 12/156:15 amSEA - KEF
2 stops44h 25mScandinavian Airlines
Deal found 11/20$947

Find flights from Keflavik Intl to Seattle within your budget

Customize your flight search to find flights from Keflavik Intl to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.

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Price

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Wed 1/15

3:40 pm-10:25 pm

2 stops38h 45m

Seattle/Tacoma Intl

Wed 1/22

7:10 am-10:40 am

2 stops19h 30m

$585

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 1/13

5:05 pm-5:00 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Tue 1/21

2:35 pm-6:15 am

Nonstop7h 40m

$595

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Wed 1/15

3:20 pm-10:00 pm

1 stop14h 40m

Seattle/Tacoma Intl

Tue 1/21

12:00 pm-5:05 pm

2 stops21h 05m

$613

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 1/17

6:45 pm-11:20 am

1 stop24h 35m

Seattle/Tacoma Intl

Sun 1/19

6:50 pm-10:55 am

1 stop32h 05m

$847

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 1/17

6:45 pm-11:20 am

1 stop24h 35m

Seattle/Tacoma Intl

Sat 1/25

6:50 pm-5:10 pm

1 stop14h 20m

$849

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 1/14

10:00 am-4:55 pm

2 stops38h 55m

Seattle/Tacoma Intl

Sun 1/19

6:50 pm-9:15 am

2 stops30h 25m

$942

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 1/14

4:20 pm-5:05 pm

2 stops32h 45m

Seattle/Tacoma Intl

Fri 1/24

7:00 pm-3:20 pm

2 stops36h 20m

$1,027

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 1/18

2:20 pm-1:20 pm

2 stops31h 00m

Seattle/Tacoma Intl

Mon 1/20

2:00 pm-1:55 pm

1 stop15h 55m

$1,708

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Wed 1/15

3:20 pm-5:00 pm

2 stops33h 40m

$310

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Wed 1/15

5:05 pm-5:00 pm

Nonstop7h 55m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 14 results
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  • Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Reykjavik Keflavik Intl Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Keflavik Intl to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Keflavik Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Keflavik Intl to Seattle

Get recent, data-driven insights about flights from Keflavik Intl to Seattle including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from KEF to SEA?

Find hourly flight availability from Keflavik Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Reykjavik Keflavik Intl Airport to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 26% versus a flight at noon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated November 21, 2024.
Finnair
7.7
Good
1,300 reviews

Boarding

7.7

Overall

7.7

Crew

8.2

Comfort

7.5

Entertainment

6.9

Food

6.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Finnair
7.7
Good
1,300 reviews
Finnair
7.7
Good
1,300 reviews

Boarding

7.7

Overall

7.7

Crew

8.2

Comfort

7.5

Entertainment

6.9

Food

6.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Turkish Airlines
7.4
Good
3,914 reviews
Finnair
7.7
Good
1,300 reviews

Boarding

7.7

Overall

7.7

Crew

8.2

Comfort

7.5

Entertainment

6.9

Food

6.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Scandinavian Airlines
7.3
Good
1,301 reviews
Finnair
7.7
Good
1,300 reviews

Boarding

7.7

Overall

7.7

Crew

8.2

Comfort

7.5

Entertainment

6.9

Food

6.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

American Airlines
7.2
Good
10,000 reviews
Finnair
7.7
Good
1,300 reviews

Boarding

7.7

Overall

7.7

Crew

8.2

Comfort

7.5

Entertainment

6.9

Food

6.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Icelandair
7.2
Good
555 reviews
Finnair
7.7
Good
1,300 reviews

Boarding

7.7

Overall

7.7

Crew

8.2

Comfort

7.5

Entertainment

6.9

Food

6.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Reykjavik Keflavik Intl to Seattle. 1 airline have flights to Seattle/Tacoma Intl from Reykjavik Keflavik Intl on a regular basis. Booking flights from Reykjavik Keflavik Intl to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 1 inbound flight from Reykjavik Keflavik Intl per day.

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

    Flying on Scandinavian Airlines is currently your cheapest option to Seattle, with prices starting at $585. Additional round-trip tickets that might be worth considering are offered by Icelandair and American Airlines, with the lowest prices starting at $595 and $847, respectively.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to Seattle one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $394. Users have also found prices from $706 and $821 on Finnair and Turkish Airlines, respectively.

  • What are the most reliable airlines from Reykjavik Keflavik Intl Airport to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Reykjavik Keflavik Intl Airport to Seattle on time: Alaska Airlines (40%), Icelandair (40%), airBaltic (38%).

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

    While on average a flight from Reykjavik Keflavik Intl Airport to Seattle is generally $1,104, our data shows the cheapest flight currently is $406. When looking at the most popular route, (Reykjavik Keflavik Intl - Seattle/Tacoma Intl), you can expect to pay $595 for that flight.

  • Can I find deals for flights from Keflavik Intl to Seattle that include hotel bookings?

    Yes. In addition to deals on Keflavik Intl to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Keflavik Intl to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to Seattle.

  • Can I find deals for business class flights from Keflavik Intl to Seattle?

    Yes. Cheapflights offers flight deals from Keflavik Intl to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Seattle (average of $238). Flying from Reykjavik Keflavik Intl Airport to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Keflavik Intl to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Keflavik Intl to Portland flights

Top airline flying from Keflavik Intl to Seattle

Discover the top airline that operate flights from Keflavik Intl to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$591Average$669FlexibilityNo cancel feeOn-time76%
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