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Cheap flights from Iceland to Seattle from $378

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 3/6. 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
5:00 pm - 5:00 pmKEF-SEA
8h 00mnonstop
Icelandair Logo
7:00 pm - 9:25 amSEA-KEF
7h 25mnonstop
$488Icelandair
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Tue, Jan 20 - Sat, Mar 28
Icelandair Logo
5:00 pm - 5:00 pmKEF-SEA
8h 00mnonstop
Icelandair Logo
7:55 am - 8:55 amSEA-KEF
18h 00m1 stop
$616Icelandair
Find Deal
Tue, Jan 20 - Sat, Mar 28
Multiple Airlines Logo
5:00 pm - 5:00 pmKEF-SEA
8h 00mnonstop
Multiple Airlines Logo
7:55 am - 6:15 amSEA-KEF
15h 20m1 stop
$627Multiple Airlines
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Mon, Mar 2 - Tue, Mar 31
Scandinavian Airlines Logo
7:35 am - 6:58 pmKEF-SEA
19h 23m2 stops
Scandinavian Airlines Logo
7:20 am - 10:15 amSEA-KEF
19h 55m2 stops
$735Scandinavian Airlines
Find Deal
Mon, Mar 2 - Tue, Mar 31
Multiple Airlines Logo
5:00 pm - 5:00 pmKEF-SEA
8h 00mnonstop
Multiple Airlines Logo
6:39 pm - 6:35 amSEA-KEF
27h 56m1 stop
$753Multiple Airlines
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Fri, Dec 26 - Thu, Jan 1
Delta Logo
11:25 am - 4:13 pmKEF-SEA
35h 48m2 stops
Delta Logo
11:45 am - 9:30 amSEA-KEF
14h 45m1 stop
$930Delta
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Thu, Apr 30 - Mon, May 4
Delta Logo
11:25 am - 7:46 pmKEF-SEA
39h 21m2 stops
Delta Logo
6:00 am - 9:30 amSEA-KEF
20h 30m2 stops
$933Delta
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Thu, Apr 30 - Mon, May 4
Scandinavian Airlines Logo
7:35 am - 10:25 pmKEF-SEA
22h 50m2 stops
Scandinavian Airlines Logo
2:00 pm - 11:50 pmSEA-KEF
26h 50m2 stops
$1,052Scandinavian Airlines
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Tue, Jan 20 - Sat, Mar 28
American Airlines Logo
6:10 pm - 11:13 pmKEF-SEA
37h 03m2 stops
American Airlines Logo
6:50 pm - 10:55 amSEA-KEF
32h 05m1 stop
$1,172American Airlines
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Fri, Dec 26 - Thu, Jan 1
American Airlines Logo
6:10 pm - 11:13 pmKEF-SEA
37h 03m2 stops
American Airlines Logo
6:50 pm - 10:55 amSEA-KEF
32h 05m1 stop
$1,179American Airlines
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Fri, Dec 26 - Thu, Jan 1

Icelandair flights from Iceland to Seattle

Our best Icelandair deals on Iceland to Seattle flight tickets
Icelandair
Jan 20
KEF5:00 pmReykjavik Keflavik Intl
8h 00m
SEA5:00 pmSeattle/Tacoma Intl
Mar 28
SEA7:00 pmSeattle/Tacoma Intl
7h 25m
KEF9:25 amReykjavik Keflavik Intl
$488
Find similar
Icelandair
Jan 20
KEF5:00 pmReykjavik Keflavik Intl
8h 00m
SEA5:00 pmSeattle/Tacoma Intl
Mar 28
SEA7:55 amSeattle/Tacoma Intl
18h 00m
1 stop
KEF8:55 amReykjavik Keflavik Intl
$616
Find similar
Icelandair
Apr 30
KEF4:50 pmReykjavik Keflavik Intl
8h 00m
SEA5:50 pmSeattle/Tacoma Intl
May 4
SEA7:00 pmSeattle/Tacoma Intl
7h 25m
KEF9:25 amReykjavik Keflavik Intl
$663
Find similar

Scandinavian Airlines flights from Iceland to Seattle

Our best Scandinavian Airlines deals on Iceland to Seattle flight tickets
Scandinavian Airlines
Mar 2
KEF7:35 amReykjavik Keflavik Intl
19h 23m
2 stops
SEA6:58 pmSeattle/Tacoma Intl
Mar 31
SEA7:20 amSeattle/Tacoma Intl
19h 55m
2 stops
KEF10:15 amReykjavik Keflavik Intl
$735
Find similar
Scandinavian Airlines
Jan 20
KEF7:35 amReykjavik Keflavik Intl
22h 50m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
Mar 28
SEA2:00 pmSeattle/Tacoma Intl
26h 50m
2 stops
KEF11:50 pmReykjavik Keflavik Intl
$1,052
Find similar

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 November 4, 2025.
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

Tue 1/20

5:00 pm-5:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Sat 3/28

7:00 pm-9:25 am

Nonstop7h 25m

$488

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 1/20

5:00 pm-5:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Sat 3/28

7:55 am-8:55 am

1 stop18h 00m

$616

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 3/2

5:00 pm-5:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Tue 3/31

7:55 am-6:15 am

1 stop15h 20m

$627

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 3/2

7:35 am-6:58 pm

2 stops19h 23m

Seattle/Tacoma Intl

Tue 3/31

7:20 am-10:15 am

2 stops19h 55m

$735

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 12/26

5:00 pm-5:00 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Thu 1/1

6:39 pm-6:35 am

1 stop27h 56m

$753

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-4:13 pm

2 stops35h 48m

Seattle/Tacoma Intl

Mon 5/4

11:45 am-9:30 am

1 stop14h 45m

$930

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-7:46 pm

2 stops39h 21m

Seattle/Tacoma Intl

Mon 5/4

6:00 am-9:30 am

2 stops20h 30m

$933

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 1/20

7:35 am-10:25 pm

2 stops22h 50m

Seattle/Tacoma Intl

Sat 3/28

2:00 pm-11:50 pm

2 stops26h 50m

$1,052

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 12/26

6:10 pm-11:13 pm

2 stops37h 03m

Seattle/Tacoma Intl

Thu 1/1

6:50 pm-10:55 am

1 stop32h 05m

$1,172

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 12/26

6:10 pm-11:13 pm

2 stops37h 03m

Seattle/Tacoma Intl

Thu 1/1

6:50 pm-10:55 am

1 stop32h 05m

$1,179

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 Monday. momondo users have found tickets for Monday departures for as low as $784. 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 $922.

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 3 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 11% 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 near Seattle: 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 many operators does momondo search for flights from Iceland to Seattle/Tacoma Intl Airport?

  • 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?

Best airlines flying from Iceland to Seattle

Compare and see reviews for airlines that fly from Iceland to Seattle with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $639Free CancellationRating
7.1
568 reviews
Search Icelandair flights

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

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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