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Cheap flights from Iceland to Seattle from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Iceland to Seattle departing on 7/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Iceland to Seattle

Recent round-trip flight deals from Iceland to Seattle

Enter your travel dates to find the best prices.
Icelandair Logo
10:40 am - 11:45 am
KEF
-
SEA
8h 05mnonstop
Icelandair Logo
7:00 pm - 9:25 am
SEA
-
KEF
7h 25mnonstop
$547Icelandair
Thu, May 28 - Wed, Jun 3
Alaska Airlines Logo
12:45 pm - 1:40 pm
KEF
-
SEA
7h 55mnonstop
Alaska Airlines Logo
6:35 pm - 9:00 am
SEA
-
KEF
7h 25mnonstop
$551Alaska Airlines
Fri, Jun 12 - Sun, Jun 21
Alaska Airlines Logo
12:45 pm - 1:40 pm
KEF
-
SEA
7h 55mnonstop
Alaska Airlines Logo
6:35 pm - 9:00 am
SEA
-
KEF
7h 25mnonstop
$564Alaska Airlines
Fri, Jun 12 - Sun, Jun 21
Alaska Airlines Logo
12:45 pm - 1:40 pm
KEF
-
SEA
7h 55mnonstop
Alaska Airlines Logo
6:35 pm - 9:00 am
SEA
-
KEF
7h 25mnonstop
$566Alaska Airlines
Fri, Jun 12 - Sun, Jun 21
Alaska Airlines Logo
12:45 pm - 1:40 pm
KEF
-
SEA
7h 55mnonstop
Alaska Airlines Logo
6:35 pm - 9:00 am
SEA
-
KEF
7h 25mnonstop
$567Alaska Airlines
Fri, Jun 12 - Sun, Jun 21
Icelandair Logo
10:40 am - 11:45 am
KEF
-
SEA
8h 05mnonstop
Icelandair Logo
7:00 pm - 9:25 am
SEA
-
KEF
7h 25mnonstop
$640Icelandair
Fri, Jun 12 - Sun, Jun 21
Icelandair Logo
10:40 am - 11:45 am
KEF
-
SEA
8h 05mnonstop
Icelandair Logo
7:00 pm - 9:25 am
SEA
-
KEF
7h 25mnonstop
$641Icelandair
Fri, Jun 12 - Sun, Jun 21
Icelandair Logo
7:45 pm - 8:40 pm
KEF
-
SEA
7h 55mnonstop
Icelandair Logo
3:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
$651Icelandair
Thu, Oct 22 - Mon, Oct 26
Icelandair Logo
7:45 pm - 8:40 pm
KEF
-
SEA
7h 55mnonstop
Icelandair Logo
7:00 pm - 9:25 am
SEA
-
KEF
7h 25mnonstop
$662Icelandair
Fri, Jun 12 - Sun, Jun 21
Icelandair Logo
10:40 am - 11:45 am
KEF
-
SEA
8h 05mnonstop
Icelandair Logo
11:25 pm - 2:00 pm
SEA
-
KEF
7h 35mnonstop
$667Icelandair
Fri, Jul 17 - Mon, Aug 3

Icelandair flights from Iceland to Seattle

Our best Icelandair deals on Iceland to Seattle flight tickets
Icelandair
May 21
KEF10:40 amReykjavik Keflavik Intl
8h 05m
SEA11:45 amSeattle/Tacoma Intl
May 27
SEA7:00 pmSeattle/Tacoma Intl
7h 25m
KEF9:25 amReykjavik Keflavik Intl
$512
Icelandair
May 21
KEF10:40 amReykjavik Keflavik Intl
8h 05m
SEA11:45 amSeattle/Tacoma Intl
May 27
SEA11:25 pmSeattle/Tacoma Intl
7h 35m
KEF2:00 pmReykjavik Keflavik Intl
$541
Icelandair
May 22
KEF7:45 pmReykjavik Keflavik Intl
7h 55m
SEA8:40 pmSeattle/Tacoma Intl
May 27
SEA11:25 pmSeattle/Tacoma Intl
7h 35m
KEF2:00 pmReykjavik Keflavik Intl
$542

WestJet flights from Iceland to Seattle

Our best WestJet deals on Iceland to Seattle flight tickets
WestJet
May 21
KEF9:00 amReykjavik Keflavik Intl
31h 40m
1 stop
SEA9:40 amSeattle/Tacoma Intl
May 27
SEA10:30 amSeattle/Tacoma Intl
14h 10m
1 stop
KEF7:40 amReykjavik Keflavik Intl
$707
WestJet
May 21
KEF9:00 amReykjavik Keflavik Intl
31h 40m
1 stop
SEA9:40 amSeattle/Tacoma Intl
May 27
SEA10:30 amSeattle/Tacoma Intl
14h 10m
1 stop
KEF7:40 amReykjavik Keflavik Intl
$725
WestJet
May 21
KEF9:00 amReykjavik Keflavik Intl
31h 40m
1 stop
SEA9:40 amSeattle/Tacoma Intl
May 27
SEA10:30 amSeattle/Tacoma Intl
14h 10m
1 stop
KEF7:40 amReykjavik Keflavik Intl
$726

momondo 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, momondo users made 832,500 searches. Data last updated May 15, 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

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 5/28

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Wed 6/3

7:00 pm-9:25 am

Nonstop7h 25m

$547
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

$551

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

$564

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

$566

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

$567

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 6/12

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Sun 6/21

7:00 pm-9:25 am

Nonstop7h 25m

$640

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 6/12

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Sun 6/21

7:00 pm-9:25 am

Nonstop7h 25m

$641

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 10/22

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Mon 10/26

3:35 pm-6:15 am

Nonstop7h 40m

$651

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 6/12

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Sun 6/21

7:00 pm-9:25 am

Nonstop7h 25m

$662

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 7/17

10:40 am-11:45 am

Nonstop8h 05m

Seattle/Tacoma Intl

Mon 8/3

11:25 pm-2:00 pm

Nonstop7h 35m

$667

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Iceland to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Iceland is on a Friday. momondo users have found tickets for Friday departures for as low as $723. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Iceland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,439.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Iceland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $903 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $906. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Iceland to Seattle/Tacoma Intl flight route?

Fly from Reykjavik Keflavik Intl to Seattle/Tacoma Intl for the best Iceland - Seattle/Tacoma Intl flight prices

Can stopping save me money on Iceland to Seattle flights?

You could potentially save up to 33% on your flight if you consider stops on a Iceland to Seattle flight.

Cheap Iceland to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Iceland to Seattle

Fastest flight time

7h 55m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Iceland to Seattle takes 7h 55m
Direct flights go from Iceland to Seattle every day.
There is 1 airport in Seattle. From Iceland there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Iceland to Seattle

  • When did momondo last update prices for flights from Iceland to Seattle/Tacoma Intl Airport?

    Prices for flights from Iceland to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Iceland to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Iceland to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Iceland to Seattle?

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Tukwila
Puyallup
Marysville
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Westport
Shoreline
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Iceland to Seattle?

It is quick and easy to find Iceland to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from Iceland to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Iceland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Iceland to Seattle?

Once all potential Iceland to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Iceland to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Iceland and alert you when they change.

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