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Cheap flights from Iceland to Seattle from $421

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 6/27. 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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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
7:45 pm - 8:40 pm
KEF
-
SEA
7h 55mnonstop
Icelandair Logo
7:00 pm - 9:25 am
SEA
-
KEF
7h 25mnonstop
$558Icelandair
Mon, Mar 30 - Mon, Apr 6
Icelandair Logo
7:45 pm - 8:40 pm
KEF
-
SEA
7h 55mnonstop
Icelandair Logo
7:00 pm - 9:25 am
SEA
-
KEF
7h 25mnonstop
$654Icelandair
Mon, Apr 20 - Fri, May 8
Multiple Airlines Logo
7:55 pm - 10:40 am
KEF
-
SEA
21h 45m
1 stop
Multiple Airlines Logo
7:00 pm - 9:25 am
SEA
-
KEF
7h 25mnonstop
$656Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
Icelandair Logo
3:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
$663Icelandair
Mon, Mar 2 - Tue, Mar 10
Icelandair Logo
5:00 pm - 6:00 pm
KEF
-
SEA
8h 00mnonstop
Icelandair Logo
3:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
$677Icelandair
Wed, Mar 18 - Tue, Mar 24
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
$732Icelandair
Mon, Feb 16 - Mon, Feb 23
Icelandair Logo
7:45 pm - 8:40 pm
KEF
-
SEA
7h 55mnonstop
Icelandair Logo
11:10 pm - 9:25 am
SEA
-
KEF
27h 15m
1 stop
$736Icelandair
Fri, Apr 3 - Sun, Apr 12
Multiple Airlines Logo
5:10 pm - 7:02 am
KEF
-
SEA
20h 52m
1 stop
Multiple Airlines Logo
7:00 pm - 9:25 am
SEA
-
KEF
7h 25mnonstop
$740Multiple Airlines
Fri, Apr 17 - Wed, Apr 22
Multiple Airlines Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
Multiple Airlines Logo
10:40 pm - 9:45 pm
SEA
-
KEF
16h 05m
1 stop
$742Multiple Airlines
Mon, Mar 2 - Tue, Mar 10
Multiple Airlines Logo
4:50 pm - 10:05 am
KEF
-
SEA
25h 15m
1 stop
Multiple Airlines Logo
9:27 am - 6:35 am
SEA
-
KEF
14h 08m
1 stop
$745Multiple Airlines
Mon, Mar 2 - Tue, Mar 10

Icelandair flights from Iceland to Seattle

Our best Icelandair deals on Iceland to Seattle flight tickets
Icelandair
Mar 30
KEF7:45 pmReykjavik Keflavik Intl
7h 55m
SEA8:40 pmSeattle/Tacoma Intl
Apr 6
SEA7:00 pmSeattle/Tacoma Intl
7h 25m
KEF9:25 amReykjavik Keflavik Intl
$558
Icelandair
Apr 20
KEF7:45 pmReykjavik Keflavik Intl
7h 55m
SEA8:40 pmSeattle/Tacoma Intl
May 8
SEA7:00 pmSeattle/Tacoma Intl
7h 25m
KEF9:25 amReykjavik Keflavik Intl
$654
Icelandair
Mar 2
KEF5:00 pmReykjavik Keflavik Intl
8h 00m
SEA5:00 pmSeattle/Tacoma Intl
Mar 10
SEA3:35 pmSeattle/Tacoma Intl
7h 40m
KEF6:15 amReykjavik Keflavik Intl
$663

Scandinavian Airlines flights from Iceland to Seattle

Our best Scandinavian Airlines deals on Iceland to Seattle flight tickets
Scandinavian Airlines
Apr 17
KEF7:40 amReykjavik Keflavik Intl
20h 03m
2 stops
SEA8:43 pmSeattle/Tacoma Intl
Apr 22
SEA7:15 amSeattle/Tacoma Intl
26h 00m
2 stops
KEF4:15 pmReykjavik Keflavik Intl
$802
Scandinavian Airlines
Feb 10
KEF5:35 pmReykjavik Keflavik Intl
36h 50m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
Feb 24
SEA7:30 amSeattle/Tacoma Intl
19h 15m
2 stops
KEF10:45 amReykjavik Keflavik Intl
$867
Scandinavian Airlines
Apr 20
KEF7:40 amReykjavik Keflavik Intl
20h 03m
2 stops
SEA8:43 pmSeattle/Tacoma Intl
May 8
SEA9:55 amSeattle/Tacoma Intl
22h 25m
2 stops
KEF3:20 pmReykjavik Keflavik Intl
$949

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 February 6, 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

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 3/30

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Mon 4/6

7:00 pm-9:25 am

Nonstop7h 25m

$558

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 4/20

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-9:25 am

Nonstop7h 25m

$654

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 3/30

7:55 pm-10:40 am

1 stop21h 45m

Seattle/Tacoma Intl

Mon 4/6

7:00 pm-9:25 am

Nonstop7h 25m

$656

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 3/2

5:00 pm-5:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Tue 3/10

3:35 pm-6:15 am

Nonstop7h 40m

$663

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Wed 3/18

5:00 pm-6:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Tue 3/24

3:35 pm-6:15 am

Nonstop7h 40m

$677

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 2/16

5:00 pm-5:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Mon 2/23

2:35 pm-6:15 am

Nonstop7h 40m

$732

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 4/3

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Sun 4/12

11:10 pm-9:25 am

1 stop27h 15m

$736

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 4/17

5:10 pm-7:02 am

1 stop20h 52m

Seattle/Tacoma Intl

Wed 4/22

7:00 pm-9:25 am

Nonstop7h 25m

$740

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 3/2

5:00 pm-5:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Tue 3/10

10:40 pm-9:45 pm

1 stop16h 05m

$742

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 3/2

4:50 pm-10:05 am

1 stop25h 15m

Seattle/Tacoma Intl

Tue 3/10

9:27 am-6:35 am

1 stop14h 08m

$745

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 Saturday. momondo users have found tickets for Saturday departures for as low as $858. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday 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 $903.

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

Flying to Seattle from Iceland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $659 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $903. 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

What cabin class options are available on Iceland to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Iceland to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Iceland to Seattle flights?

You could potentially save up to 24% 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

8h 00m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Iceland to Seattle takes 8h 00m
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

  • 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
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
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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