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$318+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SEA
Jun 19 — Jun 261
Fri 6/19
Fri 6/26
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 May 20, 2026.

This Ticket deal was found by Cheapflights users on 5/18. 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.
Thu 5/2110:40 am
KEF
-
SEA
Nonstop8h 05m
Icelandair
Wed 5/277:00 pm
SEA
-
KEF
Nonstop7h 25m
Icelandair
Deal found 5/18$492
This Booking.com deal was found by Cheapflights users on 5/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:45 pm
KEF
-
SEA
Nonstop7h 55m
Icelandair
Wed 6/2411:25 pm
SEA
-
KEF
Nonstop7h 35m
Icelandair
Deal found 5/19$542
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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.
Fri 6/1212:45 pm
KEF
-
SEA
Nonstop7h 55m
Alaska Airlines
Sun 6/216:35 pm
SEA
-
KEF
Nonstop7h 25m
Alaska Airlines
Deal found 5/19$561
This Orbitz deal was found by Cheapflights users on 5/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1412:45 pm
KEF
-
SEA
Nonstop7h 55m
Alaska Airlines
Sun 6/216:35 pm
SEA
-
KEF
Nonstop7h 25m
Alaska Airlines
Deal found 5/17$563
This Travelocity deal was found by Cheapflights users on 5/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:45 pm
KEF
-
SEA
Nonstop7h 55m
Alaska Airlines
Mon 6/226:35 pm
SEA
-
KEF
Nonstop7h 25m
Alaska Airlines
Deal found 5/15$565
This Gotogate deal was found by Cheapflights users on 5/18. 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 6/187:45 pm
KEF
-
SEA
Nonstop7h 55m
Icelandair
Wed 6/2411:25 pm
SEA
-
KEF
Nonstop7h 35m
Icelandair
Deal found 5/18$612
This FlightHub deal was found by Cheapflights users on 5/19. 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 8/810:40 am
KEF
-
SEA
Nonstop8h 05m
Icelandair
Mon 8/1011:25 pm
SEA
-
KEF
Nonstop7h 35m
Icelandair
Deal found 5/19$685

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 May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$542
(Booking.com)

One-way from

$318
(Trip.com)

Good one-way deal

$542 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 May 20, 2026.
Use the filters below to find and compare flights from Iceland to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 6/12

12:45 pm-1:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Sun 6/21

6:35 pm-9:00 am

Nonstop7h 25m

$561

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 8/8

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Mon 8/10

11:25 pm-2:00 pm

Nonstop7h 35m

$685

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sun 6/14

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Sun 6/21

7:00 pm-9:25 am

Nonstop7h 25m

$699

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 6/20

9:00 am-10:42 pm

3 stops20h 42m

Seattle/Tacoma Intl

Mon 6/22

7:20 pm-7:40 am

3 stops29h 20m

$713

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 7/3

9:00 am-6:32 pm

2 stops40h 32m

Seattle/Tacoma Intl

Fri 7/10

10:30 am-7:40 am

1 stop14h 10m

$768

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 8/8

9:30 am-6:45 pm

2 stops16h 15m

Seattle/Tacoma Intl

Mon 8/10

7:35 pm-7:40 am

1 stop29h 05m

$771

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 6/2

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Fri 6/19

7:00 pm-9:25 am

Nonstop7h 25m

$776

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 7/4

9:00 am-10:42 pm

3 stops20h 42m

Seattle/Tacoma Intl

Sat 7/11

5:45 am-7:40 am

3 stops18h 55m

$778

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 6/20

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Mon 6/22

8:08 pm-6:00 am

1 stop26h 52m

$810

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 6/2

9:00 am-6:30 pm

2 stops16h 30m

Seattle/Tacoma Intl

Mon 6/22

7:20 pm-7:40 am

3 stops29h 20m

$831

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 May 20, 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 May 20, 2026.

The most flights from IS0 to SEA are scheduled on a Monday (4 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

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 May 20, 2026.
Get a feel of what it's like to fly with Icelandair from Iceland to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
656 reviews

Food

6.2

Comfort

6.9

Entertainment

6.9

Crew

8.0

Boarding

7.2

Overall

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.0
Good
656 reviews
Icelandair
7.0
Good
656 reviews

Food

6.2

Comfort

6.9

Entertainment

6.9

Crew

8.0

Boarding

7.2

Overall

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

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?

    Alaska Airlines and Icelandair can get you from Iceland to Seattle in just under 7h 55m. Your travel time will be generally consistent. There are 3608 mi between Iceland and Seattle. Most flights are nonstop.

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

    Consider Alaska Airlines (77%), Icelandair (77%) or airBaltic (0%) 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 $695, our data shows the cheapest flight currently is $505. When looking at the most popular route, (Reykjavik Keflavik Intl - Seattle/Tacoma Intl), you can expect to pay $542 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?

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