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$305+ Cheap flights from Seattle (SEA) to Iceland

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KEF
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
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Find flight deals from Seattle to Iceland

Cheapest flights from Seattle to Iceland
Explore the most affordable flight options available from Seattle to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3011:26 amSEA - KEF
1 stop10h 39mIcelandair
Fri 12/55:15 pmKEF - SEA
1 stop11h 23mIcelandair
Deal found 11/28$844
This FlightHub deal was found by Cheapflights users on 11/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:56 pmSEA - KEF
1 stop26h 09mIcelandair
Sat 12/65:15 pmKEF - SEA
1 stop11h 23mIcelandair
Deal found 11/28$849
This Icelandair deal was found by Cheapflights users on 11/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:56 pmSEA - KEF
1 stop26h 09mIcelandair
Sat 12/65:15 pmKEF - SEA
1 stop11h 23mIcelandair
Deal found 11/28$888
This Trip.com deal was found by Cheapflights users on 11/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:24 amSEA - KEF
1 stop10h 41mIcelandair
Tue 12/95:00 pmKEF - SEA
Nonstop8h 00mIcelandair
Deal found 11/27$904
This Alaska Airlines deal was found by Cheapflights users on 11/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:56 pmSEA - KEF
1 stop24h 19mAlaska Airlines
Mon 12/84:50 pmKEF - SEA
1 stop12h 59mAlaska Airlines
Deal found 11/27$919
This Expedia deal was found by Cheapflights users on 11/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:38 pmSEA - KEF
1 stop22h 07mMultiple Airlines
Wed 12/245:00 pmKEF - SEA
Nonstop8h 00mMultiple Airlines
Deal found 11/29$946
This CrystalTravel deal was found by Cheapflights users on 11/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:35 pmSEA - KEF
Nonstop7h 40mIcelandair
Wed 12/245:00 pmKEF - SEA
Nonstop8h 00mIcelandair
Deal found 11/29$950
This Kiwi.com deal was found by Cheapflights users on 11/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:10 pmSEA - KEF
3 stops42h 25mMultiple Airlines
Tue 12/95:00 pmKEF - SEA
Nonstop8h 00mMultiple Airlines
Deal found 11/27$969

Cheap flight deals from Seattle to Iceland

Keep the following information in mind while searching for Seattle to Iceland flight deals. Data was last updated November 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$393
(CrystalTravel)

One-way from

$305
(Mytrip)

Popular in

March

Cheapest in

October

Average price

$558

Good round-trip deal

$430 or less

Good one-way deal

$430 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Reykjavik (REK) flights.
Search Deals
From Seattle/Tacoma Intl to Iceland
Search Deals
One-way flight from Seattle/Tacoma Intl to Iceland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Iceland.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Iceland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Iceland 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 2,558,603 searches. Data last updated November 29, 2025.
Use the filters below to find and compare flights from Seattle to Iceland that are best for you.

Fly from

Seattle

Fly to

Iceland

Route

Depart

Return

Price

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 2/8

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Wed 2/18

5:00 pm-5:00 pm

Nonstop8h 00m

$418

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 5/8

3:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Fri 5/22

7:50 pm-8:45 pm

Nonstop7h 55m

$419

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 2/10

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Mon 2/16

5:00 pm-5:00 pm

Nonstop8h 00m

$428

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 1/2

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Thu 2/12

5:00 pm-5:00 pm

Nonstop8h 00m

$429

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 1/5

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Fri 2/13

5:00 pm-5:00 pm

Nonstop8h 00m

$429

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 1/5

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Tue 2/17

5:00 pm-5:00 pm

Nonstop8h 00m

$429

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 1/2

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Sat 2/14

5:00 pm-5:00 pm

Nonstop8h 00m

$429

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 1/2

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Mon 2/16

5:00 pm-5:00 pm

Nonstop8h 00m

$429

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 1/26

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Fri 1/30

5:00 pm-5:00 pm

Nonstop8h 00m

$429

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 3/30

7:20 am-9:30 am

1 stop19h 10m

Reykjavik Keflavik Intl

Mon 4/6

11:25 am-7:48 pm

1 stop15h 23m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

Showing 1-10 of 20 results
1
2

Best time to book a flight from Seattle to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland from Seattle 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Iceland

What is the cheapest month to book a flight from Seattle to Iceland?

Currently, October is the cheapest month in which you can book a flight from Seattle to Iceland (average of $352). Flying from Seattle to Iceland in January is currently the most expensive (average of $548). 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.

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

Find hourly flight availability from Seattle to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 29, 2025.

It’s optimal to fly from Seattle to Iceland in the morning. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Seattle to Iceland?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Iceland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Iceland flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Iceland

Get insights into the airlines that provide service to Iceland. 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 Iceland. Reviews last updated November 29, 2025.
Read through reviews of airlines operating flights from Seattle to Iceland, such as Delta, United Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,057 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,484 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
582 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Iceland. 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 from for flights from Seattle to Iceland?

    If you book a flight to Iceland from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Seattle to Iceland?

    Departing from Seattle to Iceland will take you 7h 40m. Airlines will cover a distance of 3608 mi. Generally, flights for this route are nonstop.

  • What are the most reliable airlines from Seattle to Iceland?

    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 Seattle to Iceland on time: airBaltic (83%), Alaska Airlines (67%), Icelandair (67%).

  • What are the cheapest flights from Seattle to Iceland?

    While on average a flight from Seattle to Iceland is generally $1,194, our data shows the cheapest flight currently is $330. When looking at the most popular route, (Seattle/Tacoma Intl - Reykjavik Keflavik Intl), you can expect to pay $393 for that flight.

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

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

  • How can I find direct flights from Seattle to Iceland?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Iceland 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 Seattle to Iceland?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Iceland (average of $352). Flying from Seattle to Iceland in January is currently the most expensive (average of $548). 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.

See more FAQs

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Top 2 airlines flying from Seattle to Iceland

Discover the top 2 airlines that operate flights from Seattle to Iceland. 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 2,558,603 searches. Data last updated November 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$323Average$573FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$374Average$634FlexibilityNo cancel feeOn-time76%

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