Cheap flights from Washington to Iceland from $373

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Iceland departing on 5/29. 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 Washington to Iceland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
7:00 pm - 9:25 am
SEA
-
KEF
7h 25mnonstop
Icelandair Logo
7:45 pm - 8:40 pm
KEF
-
SEA
7h 55mnonstop
$459Icelandair
Mon, Apr 20 - Sun, Apr 26
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$467Icelandair
Mon, Feb 23 - Wed, Mar 4
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$468Icelandair
Mon, Feb 23 - Wed, Mar 4
Delta Logo
12:00 pm - 9:30 am
SEA
-
KEF
14h 30m
1 stop
Delta Logo
11:25 am - 7:59 pm
KEF
-
SEA
15h 34m
1 stop
$490Delta
Mon, Apr 13 - Tue, Apr 28
Air Europa Logo
7:00 am - 9:30 am
PDX
-
KEF
19h 30m
1 stop
Air Europa Logo
11:25 am - 9:32 pm
KEF
-
PDX
17h 07m
2 stops
$494Air Europa
Tue, Apr 14 - Tue, Apr 21
Delta Logo
11:15 pm - 9:30 am
SEA
-
KEF
27h 15m
2 stops
Delta Logo
11:25 am - 9:49 pm
KEF
-
SEA
17h 24m
2 stops
$495Delta
Mon, Apr 13 - Tue, Apr 28
Multiple Airlines Logo
6:30 am - 9:30 am
PDX
-
KEF
20h 00m
2 stops
Multiple Airlines Logo
11:25 am - 9:32 pm
KEF
-
PDX
17h 07m
2 stops
$495Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Lufthansa Logo
6:50 pm - 12:10 am
SEA
-
KEF
22h 20m
1 stop
Lufthansa Logo
12:20 am - 12:20 pm
KEF
-
SEA
19h 00m
1 stop
$496Lufthansa
Wed, Apr 15 - Mon, Apr 27
Air Europa Logo
7:00 am - 9:30 am
PDX
-
KEF
19h 30m
1 stop
Air Europa Logo
11:25 am - 10:16 pm
KEF
-
PDX
17h 51m
1 stop
$501Air Europa
Wed, Apr 22 - Mon, Apr 27
Multiple Airlines Logo
1:13 pm - 7:50 am
GEG
-
KEF
35h 37m
2 stops
Multiple Airlines Logo
8:35 am - 1:14 pm
KEF
-
GEG
35h 39m
2 stops
$711Multiple Airlines
Wed, May 13 - Wed, May 20

Alaska Airlines flights from State of Washington to Iceland

Our best Alaska Airlines deals on State of Washington to Iceland flight tickets
Alaska Airlines
May 30
PDX10:39 amPortland
15h 21m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Jun 6
KEF12:45 pmReykjavik Keflavik Intl
15h 49m
1 stop
PDX9:34 pmPortland
$586
Alaska Airlines
May 29
PDX5:46 pmPortland
32h 14m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Jun 6
KEF12:45 pmReykjavik Keflavik Intl
17h 18m
1 stop
PDX11:03 pmPortland
$592
Alaska Airlines
Feb 20
PDX6:00 amPortland
16h 15m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Feb 23
KEF5:00 pmReykjavik Keflavik Intl
12h 10m
1 stop
PDX9:10 pmPortland
$1,132

Icelandair flights from State of Washington to Iceland

Our best Icelandair deals on State of Washington to Iceland flight tickets
Icelandair
Apr 20
SEA7:00 pmSeattle/Tacoma Intl
7h 25m
KEF9:25 amReykjavik Keflavik Intl
Apr 26
KEF7:45 pmReykjavik Keflavik Intl
7h 55m
SEA8:40 pmSeattle/Tacoma Intl
$459
Icelandair
Feb 23
SEA2:35 pmSeattle/Tacoma Intl
7h 40m
KEF6:15 amReykjavik Keflavik Intl
Mar 4
KEF5:00 pmReykjavik Keflavik Intl
8h 00m
SEA5:00 pmSeattle/Tacoma Intl
$467
Icelandair
Feb 23
SEA2:35 pmSeattle/Tacoma Intl
7h 40m
KEF6:15 amReykjavik Keflavik Intl
Mar 4
KEF5:00 pmReykjavik Keflavik Intl
8h 00m
SEA5:00 pmSeattle/Tacoma Intl
$468

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 February 8, 2026.
Use the filters below to find and compare flights from Washington to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 4/20

7:00 pm-9:25 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sun 4/26

7:45 pm-8:40 pm

Nonstop7h 55m

$459

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 2/23

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Wed 3/4

5:00 pm-5:00 pm

Nonstop8h 00m

$467

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 2/23

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Wed 3/4

5:00 pm-5:00 pm

Nonstop8h 00m

$468

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 4/13

12:00 pm-9:30 am

1 stop14h 30m

Reykjavik Keflavik Intl

Tue 4/28

11:25 am-7:59 pm

1 stop15h 34m

$490

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 4/14

7:00 am-9:30 am

1 stop19h 30m

Reykjavik Keflavik Intl

Tue 4/21

11:25 am-9:32 pm

2 stops17h 07m

$494

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 4/13

11:15 pm-9:30 am

2 stops27h 15m

Reykjavik Keflavik Intl

Tue 4/28

11:25 am-9:49 pm

2 stops17h 24m

$495

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 4/14

6:30 am-9:30 am

2 stops20h 00m

Reykjavik Keflavik Intl

Tue 4/21

11:25 am-9:32 pm

2 stops17h 07m

$495

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 4/15

6:50 pm-12:10 am

1 stop22h 20m

Reykjavik Keflavik Intl

Mon 4/27

12:20 am-12:20 pm

1 stop19h 00m

$496

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 4/22

7:00 am-9:30 am

1 stop19h 30m

Reykjavik Keflavik Intl

Mon 4/27

11:25 am-10:16 pm

1 stop17h 51m

$501

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 5/13

1:13 pm-7:50 am

2 stops35h 37m

Reykjavik Keflavik Intl

Wed 5/20

8:35 am-1:14 pm

2 stops35h 39m

$711

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 State of Washington 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 State of Washington 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 State of Washington 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 State of Washington to Iceland is on a Wednesday when prices can be found for as low as $576. Flights from State of Washington to Iceland on a Thursday will generally be more expensive and average around $616. 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 at noon. momondo users have found flights departing from State of Washington to Iceland at noon for as low as $539. 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 $623. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Washington to Iceland flight route?

Fly from Seattle/Tacoma Intl to Reykjavik Keflavik Intl for the best Washington - 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Iceland for around $634 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Iceland from State of Washington for as low as $486 on momondo.

What cabin class options are available on Washington to Iceland flights?

There are 3 cabin classes available to choose from on Washington 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 State of Washington to Iceland flights?

You could potentially save up to 41% on your flight if you consider stops on a State of Washington to Iceland flight.

Cheap State of Washington to Iceland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Iceland

Best Price Found

$396

Fastest flight time

7h 25m

Direct flights

Every day

Airports in Iceland

24 airports
The best one-way flight to Iceland from State of Washington in the past 72 hours is $396. The best round-trip flight deal from State of Washington to Iceland found on momondo in the last 72 hours is $492.
The fastest flight from State of Washington to Iceland takes 7h 25m
Direct flights go from State of Washington to Iceland every day.
There are 24 airports in Iceland. From State of Washington there are direct flights to Reykjavik Keflavik Intl (KEF).
  • When did momondo last update prices for flights from Washington to Iceland?

    Prices for flights from Washington to Iceland are updated daily.

  • How many operators does momondo search for flights from Washington to Iceland?

  • How old do you have to be to fly from Washington to Iceland?

    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 Washington 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 State of Washington to Iceland?

Best airlines flying from State of Washington to Iceland

Compare and see reviews for airlines that fly from State of Washington to Iceland with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $195Free CancellationRating
8.0
11,855 reviews
Search Alaska Airlines flights
IcelandairPriceFrom $374Free CancellationRating
7.1
606 reviews
Search Icelandair flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Iceland. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Iceland.

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

Price alerts on flights to Iceland from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Tue 3/10
Tue 3/17

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