HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$351+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SEA
Aug 12 — Aug 191
Wed 8/12
Wed 8/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Iceland to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 13, 2026.

This Ticket deal was found by Cheapflights users on 7/10. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:40 am
KEF
-
SEA
Nonstop8h 05m
Icelandair
Sun 9/67:00 pm
SEA
-
KEF
Nonstop7h 25m
Icelandair
Deal found 7/10$581
This Ticket deal was found by Cheapflights users on 7/12. 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 7/1610:40 am
KEF
-
SEA
Nonstop8h 05m
Icelandair
Wed 7/2211:25 pm
SEA
-
KEF
Nonstop7h 35m
Icelandair
Deal found 7/12$595
This lol.travel deal was found by Cheapflights users on 7/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:45 pm
KEF
-
SEA
Nonstop7h 55m
Alaska Airlines
Wed 8/266:35 pm
SEA
-
KEF
Nonstop7h 25m
Alaska Airlines
Deal found 7/9$630
This Sembo deal was found by Cheapflights users on 7/8. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:40 am
KEF
-
SEA
Nonstop8h 05m
Icelandair
Tue 9/87:00 pm
SEA
-
KEF
Nonstop7h 25m
Icelandair
Deal found 7/8$633
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 9/49:00 am
KEF
-
SEA
1 stop16h 45m
WestJet
Sun 9/610:30 am
SEA
-
KEF
1 stop14h 10m
WestJet
Deal found 7/10$635
This Gotogate deal was found by Cheapflights users on 7/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:40 am
KEF
-
SEA
Nonstop8h 05m
Icelandair
Mon 7/207:00 pm
SEA
-
KEF
Nonstop7h 25m
Icelandair
Deal found 7/9$645
This Gotogate deal was found by Cheapflights users on 7/8. 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.
Wed 8/124:50 pm
KEF
-
SEA
Nonstop8h 05m
Icelandair
Mon 8/247:00 pm
SEA
-
KEF
Nonstop7h 25m
Icelandair
Deal found 7/8$651
This Gotogate deal was found by Cheapflights users on 7/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:45 pm
KEF
-
SEA
Nonstop7h 55m
Icelandair
Mon 8/1711:25 pm
SEA
-
KEF
Nonstop7h 35m
Icelandair
Deal found 7/11$653

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 July 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$581
(Ticket)

One-way from

$351
(Kiwi.com)

Good round-trip deal

$668 or less

Good one-way deal

$545 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 round-trip 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 July 13, 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

Thu 9/3

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Tue 9/8

7:00 pm-9:25 am

Nonstop7h 25m

$672

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 9/3

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Wed 9/9

7:00 pm-9:25 am

Nonstop7h 25m

$684

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 7/28

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Sat 8/1

11:25 pm-2:00 pm

Nonstop7h 35m

$685

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sun 8/23

8:20 am-10:42 pm

3 stops21h 22m

Seattle/Tacoma Intl

Sun 8/30

5:50 am-7:40 am

3 stops18h 50m

$733

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 8/10

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Mon 8/17

8:11 pm-6:00 am

1 stop26h 49m

$774

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 9/1

10:45 am-4:56 pm

1 stop13h 11m

Seattle/Tacoma Intl

Mon 9/7

7:00 pm-9:25 am

Nonstop7h 25m

$809

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 8/31

4:50 pm-2:00 pm

1 stop28h 10m

Seattle/Tacoma Intl

Sun 9/6

7:00 pm-9:25 am

Nonstop7h 25m

$815

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 9/5

10:45 am-6:51 pm

1 stop15h 06m

Seattle/Tacoma Intl

Tue 9/8

7:00 pm-9:25 am

Nonstop7h 25m

$815

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 9/1

10:45 am-4:56 pm

1 stop13h 11m

Seattle/Tacoma Intl

Wed 9/9

7:00 pm-9:25 am

Nonstop7h 25m

$821
Cheapest one-way
Quickest one-way

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 9/7

7:45 pm-8:40 pm

Nonstop7h 55m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 19 resultsSorted by cheapest first
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 July 13, 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 July 13, 2026.

The most flights from IS0 to SEA are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 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 July 13, 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
704 reviews

Food

6.2

Crew

8.0

Comfort

6.9

Boarding

7.2

Overall

7.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Sara,Jul 2026

KEF - IAD

It was frustrating to be seated next to two children whose parents were not immediately adjacent to them. The parents were disengaged with their kids and I ended up having to assist/direct children who were not my own.
Icelandair
7.0
Good
704 reviews
Icelandair
7.0
Good
704 reviews

Food

6.2

Crew

8.0

Comfort

6.9

Boarding

7.2

Overall

7.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Sara,Jul 2026

KEF - IAD

It was frustrating to be seated next to two children whose parents were not immediately adjacent to them. The parents were disengaged with their kids and I ended up having to assist/direct children who were not my own.

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 can get you from Iceland to Seattle in just under 8h 05m. Your travel time will be generally consistent. There are 3608 mi between Iceland and Seattle. Most flights are nonstop.

  • What are the cheapest flights from Iceland to Seattle?

    While on average a flight from Iceland to Seattle is generally $978, our data shows the cheapest flight currently is $479. When looking at the most popular route, (Reykjavik Keflavik Intl - Seattle/Tacoma Intl), you can expect to pay $581 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
SeaTac
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights