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Cheap flights from Washington to Reykjavik 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 Reykjavik 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 Reykjavik

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
2:17 pm - 7:40 am
GEG
-
KEF
10h 23m
1 stop
Multiple Airlines Logo
8:50 am - 9:13 pm
KEF
-
GEG
19h 23m
2 stops
$655Multiple Airlines
Wed, May 13 - Wed, May 20

Alaska Airlines flights from State of Washington to Reykjavik Keflavik Intl Airport

Our best Alaska Airlines deals on State of Washington to Reykjavik Keflavik Intl Airport 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 Reykjavik Keflavik Intl Airport

Our best Icelandair deals on State of Washington to Reykjavik Keflavik Intl Airport 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 Reykjavik Keflavik Intl Airport 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 Reykjavik Keflavik Intl Airport 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

2:17 pm-7:40 am

1 stop10h 23m

Reykjavik Keflavik Intl

Wed 5/20

8:50 am-9:13 pm

2 stops19h 23m

$655

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 Reykjavik from

How to get the cheapest flight ticket from State of Washington to Reykjavik Keflavik Intl Airport

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 Reykjavik Keflavik Intl Airport?

The month of October is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from State of Washington, with most prices found around $441. If you’re not able to fly to Reykjavik Keflavik Intl Airport in October, then January is your next best option. Flight prices from State of Washington to Reykjavik Keflavik Intl Airport during January average around $560.

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from State of Washington to Reykjavik Keflavik Intl Airport is on a Wednesday when prices can be found for as low as $581. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Thursday, with ticket prices averaging around $621.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is at noon when flights can be purchased for as low as $539. Flights in the evening are often more expensive with an average ticket price of $623.

What is the cheapest Washington to Reykjavik Keflavik Intl flight route?

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

How far in advance should I book a flight to Reykjavik Keflavik Intl Airport?

You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $634 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from State of Washington for as low as $486 on momondo.

What cabin class options are available on Washington to Reykjavik Keflavik Intl flights?

There are 3 cabin classes available to choose from on Washington to Reykjavik Keflavik 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 State of Washington to Reykjavik Keflavik Intl Airport flights?

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

Cheap State of Washington to Reykjavik Keflavik Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Reykjavik Keflavik Intl Airport

Best Price Found

$396

Fastest flight time

7h 25m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from State of Washington in the past 72 hours is $396. The best round-trip flight deal from State of Washington to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $492.
The fastest flight from State of Washington to Reykjavik Keflavik Intl Airport takes 7h 25m
Direct flights go from State of Washington to Reykjavik Keflavik Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Washington to Reykjavik Keflavik Intl Airport?

    Prices for flights from Washington to Reykjavik Keflavik Intl Airport were last updated today.

  • How many operators does momondo search for flights from Washington to Reykjavik Keflavik Intl Airport?

  • How old do you have to be to fly from Washington to Reykjavik Keflavik Intl Airport?

    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 Washington to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The required travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Reykjavik Keflavik Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from State of Washington to Reykjavik Keflavik Intl Airport?

Best airlines flying from State of Washington to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from State of Washington to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $195Free CancellationRating
8.0
11,855 reviews
Search Alaska Airlines flights
IcelandairPriceFrom $391Free CancellationRating
7.1
606 reviews
Search Icelandair flights

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Borgarnes
Hveragerdi
Grindavik
Kopavogur

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Reykjavik from Washington.

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

Yes. All flights to Reykjavik from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Reykjavik from Washington.

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

Yes momondo offers price alerts on flights to Reykjavik from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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