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Cheap flights from Washington to Reykjavik from $322

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 3/1. 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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0 bags

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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
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$439Icelandair
Wed, Jan 28 - Wed, Feb 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
$456Icelandair
Tue, Jan 13 - Tue, Jan 20
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$457Icelandair
Wed, Jan 21 - Tue, Jan 27
Icelandair Logo
2:35 pm - 6:15 am
SEA
-
KEF
7h 40mnonstop
Icelandair Logo
5:00 pm - 5:00 pm
KEF
-
SEA
8h 00mnonstop
$461Icelandair
Tue, Jan 13 - Wed, Jan 21
Icelandair Logo
3:30 pm - 6:05 am
PDX
-
KEF
7h 35mnonstop
Icelandair Logo
4:50 pm - 6:00 pm
KEF
-
PDX
8h 10mnonstop
$463Icelandair
Sat, Apr 11 - Fri, Apr 17
Lufthansa Logo
7:00 am - 2:20 pm
PDX
-
KEF
23h 20m2 stops
Lufthansa Logo
3:10 pm - 12:44 am
KEF
-
PDX
40h 34m2 stops
$632Lufthansa
Sat, Feb 28 - Sat, Mar 14
Multiple Airlines Logo
9:10 am - 6:15 am
PDX
-
KEF
13h 05m1 stop
Multiple Airlines Logo
5:00 pm - 8:47 pm
KEF
-
PDX
11h 47m1 stop
$658Multiple Airlines
Tue, Jan 13 - Wed, Jan 21
Finnair Logo
11:46 am - 4:25 pm
PDX
-
KEF
21h 39m2 stops
Finnair Logo
5:10 pm - 11:37 pm
KEF
-
PDX
37h 27m2 stops
$672Finnair
Mon, Apr 6 - Tue, Apr 14
Delta Logo
7:00 am - 9:30 am
PDX
-
KEF
19h 30m1 stop
Delta Logo
11:25 am - 9:35 pm
KEF
-
PDX
17h 10m1 stop
$678Delta
Sun, Apr 12 - Mon, Apr 20
Lufthansa Logo
7:00 am - 12:10 am
GEG
-
KEF
34h 10m2 stops
Lufthansa Logo
12:00 pm - 9:09 pm
KEF
-
GEG
16h 09m2 stops
$838Lufthansa
Wed, May 13 - Wed, May 20

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
Jan 21
SEA2:35 pmSeattle/Tacoma Intl
7h 40m
KEF6:15 amReykjavik Keflavik Intl
Jan 27
KEF5:00 pmReykjavik Keflavik Intl
8h 00m
SEA5:00 pmSeattle/Tacoma Intl
$457
Find similar
Icelandair
Jan 13
SEA2:35 pmSeattle/Tacoma Intl
7h 40m
KEF6:15 amReykjavik Keflavik Intl
Jan 21
KEF5:00 pmReykjavik Keflavik Intl
8h 00m
SEA5:00 pmSeattle/Tacoma Intl
$461
Find similar
Icelandair
Apr 11
PDX3:30 pmPortland
7h 35m
KEF6:05 amReykjavik Keflavik Intl
Apr 17
KEF4:50 pmReykjavik Keflavik Intl
8h 10m
PDX6:00 pmPortland
$463
Find similar

Lufthansa flights from State of Washington to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on State of Washington to Reykjavik Keflavik Intl Airport 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
$513
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
$588
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

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 December 14, 2025.
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

Wed 1/28

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Wed 2/4

5:00 pm-5:00 pm

Nonstop8h 00m

$439

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

Wed 1/21

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Tue 1/27

5:00 pm-5:00 pm

Nonstop8h 00m

$457

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 1/13

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Wed 1/21

5:00 pm-5:00 pm

Nonstop8h 00m

$461

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 4/11

3:30 pm-6:05 am

Nonstop7h 35m

Reykjavik Keflavik Intl

Fri 4/17

4:50 pm-6:00 pm

Nonstop8h 10m

$463

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 2/28

7:00 am-2:20 pm

2 stops23h 20m

Reykjavik Keflavik Intl

Sat 3/14

3:10 pm-12:44 am

2 stops40h 34m

$632

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 1/13

9:10 am-6:15 am

1 stop13h 05m

Reykjavik Keflavik Intl

Wed 1/21

5:00 pm-8:47 pm

1 stop11h 47m

$658

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 4/6

11:46 am-4:25 pm

2 stops21h 39m

Reykjavik Keflavik Intl

Tue 4/14

5:10 pm-11:37 pm

2 stops37h 27m

$672

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 4/12

7:00 am-9:30 am

1 stop19h 30m

Reykjavik Keflavik Intl

Mon 4/20

11:25 am-9:35 pm

1 stop17h 10m

$678

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 5/13

7:00 am-12:10 am

2 stops34h 10m

Reykjavik Keflavik Intl

Wed 5/20

12:00 pm-9:09 pm

2 stops16h 09m

$838

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 August is your next best option. Flight prices from State of Washington to Reykjavik Keflavik Intl Airport during August average around $565.

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 $598. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Thursday, with ticket prices averaging around $636.

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 in the morning when flights can be purchased for as low as $533. Flights in the evening are often more expensive with an average ticket price of $643.

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 $651 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 $471 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 43% 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

$433

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 $433. The best round-trip flight deal from State of Washington to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $430.
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
DeltaPriceFrom $323Free CancellationRating
7.9
8,006 reviews
Search Delta flights
IcelandairPriceFrom $391Free CancellationRating
7.0
590 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
Hveragerdi
Borgarnes
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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