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$397+ Cheap flights from Iceland 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SEA
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Iceland to Seattle

Cheapest flights from Iceland to Seattle
Explore the most affordable flight options available from Iceland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Ticket deal was found by Cheapflights users on 2/9. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:45 pm
KEF
-
SEA
Nonstop7h 55m
Icelandair
Tue 4/147:00 pm
SEA
-
KEF
Nonstop7h 25m
Icelandair
Deal found 2/9$599
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
Sat 5/307:45 pm
KEF
-
SEA
Nonstop7h 55m
Icelandair
Thu 8/2711:25 pm
SEA
-
KEF
Nonstop7h 35m
Icelandair
Deal found 2/10$668
This Gotogate deal was found by Cheapflights users on 2/10. 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.
Sat 5/309:00 am
KEF
-
SEA
1 stop31h 40m
WestJet
Thu 8/277:35 pm
SEA
-
KEF
2 stops29h 10m
WestJet
Deal found 2/10$721
This Trip.com deal was found by Cheapflights users on 2/10. 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.
Mon 4/65:10 pm
KEF
-
SEA
1 stop20h 52m
Multiple Airlines
Tue 4/143:40 pm
SEA
-
KEF
Nonstop7h 35m
Multiple Airlines
Deal found 2/10$748
This FlightHub deal was found by Cheapflights users on 2/11. 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.
Mon 3/95:00 pm
KEF
-
SEA
Nonstop8h 00m
Icelandair
Fri 3/273:35 pm
SEA
-
KEF
Nonstop7h 40m
Icelandair
Deal found 2/11$757
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sat 5/309:00 am
KEF
-
SEA
1 stop16h 45m
Multiple Airlines
Thu 8/279:15 pm
SEA
-
KEF
1 stop27h 25m
Multiple Airlines
Deal found 2/10$791
This FlightHub deal was found by Cheapflights users on 2/11. 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 3/75:00 pm
KEF
-
SEA
Nonstop8h 00m
Icelandair
Fri 3/273:35 pm
SEA
-
KEF
Nonstop7h 40m
Icelandair
Deal found 2/11$792
This Trip.com deal was found by Cheapflights users on 2/11. 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.
Sun 3/295:10 pm
KEF
-
SEA
1 stop24h 30m
Multiple Airlines
Sun 4/511:15 pm
SEA
-
KEF
1 stop26h 25m
Multiple Airlines
Deal found 2/11$800

Find flight deals from Iceland to Seattle

Keep the following information in mind while searching for Iceland to Seattle flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$599
(Ticket)

One-way from

$397
(Kiwi.com)

Good one-way deal

$753 or less
Provider with most accurate pricing for Reykjavik (REK)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Reykjavik (REK)-Seattle/Tacoma Intl flights.
Search Deals
From Iceland to Seattle/Tacoma Intl
Search Deals
One-way flight from Iceland to Seattle/Tacoma Intl
Search Deals
Price to beat on a one-way flight from Iceland to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Iceland 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 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Iceland to Seattle that are best for you.

Fly from

Iceland

Fly to

Seattle

Route

Depart

Return

Price

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 4/6

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Tue 4/14

7:00 pm-9:25 am

Nonstop7h 25m

$599

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 5/30

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Thu 8/27

11:25 pm-2:00 pm

Nonstop7h 35m

$668

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 5/30

9:00 am-9:40 am

1 stop31h 40m

Seattle/Tacoma Intl

Thu 8/27

7:35 pm-7:45 am

2 stops29h 10m

$721

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 3/9

5:00 pm-6:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Fri 3/27

3:35 pm-6:15 am

Nonstop7h 40m

$757

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 4/6

5:10 pm-10:40 am

1 stop24h 30m

Seattle/Tacoma Intl

Tue 4/14

5:49 pm-6:40 am

1 stop29h 51m

$777

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 5/30

9:00 am-6:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Thu 8/27

9:15 pm-7:40 am

1 stop27h 25m

$791

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 3/7

5:00 pm-5:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Fri 3/27

3:35 pm-6:15 am

Nonstop7h 40m

$792

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sun 3/29

7:55 pm-10:40 am

1 stop21h 45m

Seattle/Tacoma Intl

Sun 4/5

7:00 pm-9:25 am

Nonstop7h 25m

$805

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sun 7/5

9:15 am-9:40 am

2 stops31h 25m

$397

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 4/14

7:45 pm-8:40 pm

Nonstop7h 55m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from Iceland to Seattle

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

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

Find hourly flight availability from Iceland 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 February 12, 2026.

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

Weekly flight availability from Iceland to Seattle

Explore weekly flight availability from Iceland to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 12, 2026.

The most flights from IS0 to SEA are scheduled on a Wednesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Iceland 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 Iceland?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Iceland to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How long is the flight from Iceland to Seattle?

    Icelandair and WestJet can get you from Iceland to Seattle in just under 7h 55m. Your travel time can differ by up to 23h 45m. There are 3608 mi between Iceland and Seattle. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Consider Alaska Airlines (75%), Icelandair (75%) or airBaltic (53%) when booking your flight. These represent the most reliable airlines when flying from Iceland to Seattle.

  • What are the cheapest flights from Iceland to Seattle?

    While on average a flight from Iceland to Seattle is generally $1,677, our data shows the cheapest flight currently is $515. When looking at the most popular route, (Reykjavik Keflavik Intl - Seattle/Tacoma Intl), you can expect to pay $646 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Iceland 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
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Lakewood
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Olympia
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Edmonds
Lacey
Kent
Renton
Puyallup
Kirkland
Tukwila
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Marysville
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