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Cheap flights from Seattle to Iceland from $316

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Iceland departing on 2/28. 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 Seattle to Iceland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$456Icelandair
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
2:00 pm - 2:20 pm
SEA
-
KEF
16h 20m1 stop
Multiple Airlines Logo
2:20 pm - 9:12 pm
KEF
-
SEA
38h 52m2 stops
$465Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$466Icelandair
Sun, Jan 4 - Tue, Jan 13
Lufthansa Logo
2:00 pm - 2:20 pm
SEA
-
KEF
16h 20m1 stop
Lufthansa Logo
3:10 pm - 1:20 pm
KEF
-
SEA
30h 10m1 stop
$471Lufthansa
Sat, Jan 24 - Sat, Jan 31
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$473Icelandair
Mon, Jan 12 - Wed, Jan 21
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$479Icelandair
Fri, Jan 30 - Fri, Feb 6
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$480Icelandair
Thu, Jan 1 - Wed, Jan 14
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$481Icelandair
Sat, Jan 24 - Sat, Jan 31
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$482Icelandair
Sun, Jan 11 - Fri, Jan 16
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$487Icelandair
Thu, Feb 19 - Thu, Feb 26

Lufthansa flights from Seattle to Iceland

Our best Lufthansa deals on Seattle to Iceland flight tickets
Lufthansa
Jan 24
SEA2:00 pmSeattle/Tacoma Intl
16h 20m
1 stop
KEF2:20 pmReykjavik Keflavik Intl
Jan 31
KEF3:10 pmReykjavik Keflavik Intl
30h 10m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$471
Find similar
Lufthansa
Mar 4
SEA3:10 pmSeattle/Tacoma Intl
26h 00m
1 stop
KEF1:10 amReykjavik Keflavik Intl
Mar 11
KEF2:05 pmReykjavik Keflavik Intl
30h 05m
2 stops
SEA1:10 pmSeattle/Tacoma Intl
$589
Find similar
Lufthansa
Jan 30
SEA3:10 pmSeattle/Tacoma Intl
15h 05m
1 stop
KEF2:15 pmReykjavik Keflavik Intl
Feb 6
KEF3:25 pmReykjavik Keflavik Intl
28h 45m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$637
Find similar

Delta flights from Seattle to Iceland

Our best Delta deals on Seattle to Iceland flight tickets
Delta
Apr 15
SEA11:45 amSeattle/Tacoma Intl
14h 45m
1 stop
KEF9:30 amReykjavik Keflavik Intl
Apr 21
KEF11:25 amReykjavik Keflavik Intl
29h 59m
1 stop
SEA10:24 amSeattle/Tacoma Intl
$494
Find similar
Delta
Apr 29
SEA11:45 amSeattle/Tacoma Intl
14h 45m
1 stop
KEF9:30 amReykjavik Keflavik Intl
May 5
KEF11:25 amReykjavik Keflavik Intl
17h 51m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$501
Find similar
Delta
May 1
SEA11:45 amSeattle/Tacoma Intl
14h 45m
1 stop
KEF9:30 amReykjavik Keflavik Intl
May 7
KEF11:25 amReykjavik Keflavik Intl
17h 51m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$551
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Iceland 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 December 18, 2025.
Use the filters below to find and compare flights from Seattle to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 1/13

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Tue 1/20

5:00 pm-5:00 pm

Nonstop8h 00m

$456

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 1/24

2:00 pm-2:20 pm

1 stop16h 20m

Reykjavik Keflavik Intl

Sat 1/31

2:20 pm-9:12 pm

2 stops38h 52m

$465

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 1/4

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Tue 1/13

5:00 pm-5:00 pm

Nonstop8h 00m

$466

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 1/24

2:00 pm-2:20 pm

1 stop16h 20m

Reykjavik Keflavik Intl

Sat 1/31

3:10 pm-1:20 pm

1 stop30h 10m

$471

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 1/12

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Wed 1/21

5:00 pm-5:00 pm

Nonstop8h 00m

$473

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Fri 2/6

5:00 pm-5:00 pm

Nonstop8h 00m

$479

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 1/1

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Wed 1/14

5:00 pm-5:00 pm

Nonstop8h 00m

$480

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 1/24

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Sat 1/31

5:00 pm-5:00 pm

Nonstop8h 00m

$481

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 1/11

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Fri 1/16

5:00 pm-5:00 pm

Nonstop8h 00m

$482

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 2/19

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Thu 2/26

5:00 pm-5:00 pm

Nonstop8h 00m

$487

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 Iceland from

How to get the cheapest flight ticket from Seattle to Iceland

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 month to fly to Iceland?

The cheapest month to fly to Iceland from Seattle is in October. Flight prices, which tend to average around $498, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Iceland from Seattle during November instead. Flights to Iceland in November, while not as cheap as those in October, still average around $558.

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

The cheapest day to depart from Seattle to Iceland is on a Wednesday when prices can be found for as low as $598. Flights from Seattle to Iceland on a Thursday will generally be more expensive and average around $636. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Iceland is in the morning. momondo users have found flights departing from Seattle to Iceland in the morning for as low as $536. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $643. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Iceland?

You are more likely to see cheaper flights to Iceland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Iceland for around $651 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Iceland from Seattle for as low as $471 on momondo.

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

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Iceland 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 Seattle to Iceland flights?

You could potentially save up to 43% on your flight if you consider stops on a Seattle to Iceland flight.

Cheap Seattle to Iceland flight deals and tips

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

Best Price Found

$433

Fastest flight time

7h 25m

Direct flights

Every day

Airports in Iceland

24 airports
The best one-way flight to Iceland from Seattle in the past 72 hours is $433. The best round-trip flight deal from Seattle to Iceland found on momondo in the last 72 hours is $430.
The fastest flight from Seattle to Iceland takes 7h 25m
Direct flights go from Seattle to Iceland every day.
There are 24 airports in Iceland. From Seattle there are direct flights to Reykjavik Keflavik Intl (KEF).
Search flight deals

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

    Prices for flights from Seattle/Tacoma Intl Airport to Iceland were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Iceland?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Iceland.

  • What documentation or ID do you need to fly to Iceland?

    The travel and health documents you'll need for your trip to Iceland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iceland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Seattle to Iceland

Compare and see reviews for airlines that fly from Seattle to Iceland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $323Free CancellationRating
7.9
8,008 reviews
Search Delta flights
IcelandairPriceFrom $374Free CancellationRating
7.0
591 reviews
Search Icelandair flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Iceland for you.

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

Yes. momondo allows you to filter the results for Seattle to Iceland flights to just show those with flexible booking policies.

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

Once all potential Seattle to Iceland 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 Seattle to Iceland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Iceland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Iceland and let you know when they change.

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Find better results for your trip to Iceland

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Popular flights according to clicks in the last 7 days on momondo
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