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Cheap flights from Washington to Reykjavik from $227

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 9/9. 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

Icelandair Logo
3:45 pm - 6:15 amSEA-KEF
7h 30mnonstop
Icelandair Logo
4:50 pm - 5:50 pmKEF-SEA
8h 00mnonstop
$410Icelandair
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Sat, Sep 27 - Mon, Oct 6
Icelandair Logo
3:45 pm - 6:15 amSEA-KEF
7h 30mnonstop
Icelandair Logo
7:45 pm - 8:40 pmKEF-SEA
7h 55mnonstop
$418Icelandair
Find Deal
Mon, Sep 22 - Wed, Oct 1
Virgin Atlantic Logo
11:25 am - 9:30 amSEA-KEF
15h 05m1 stop
Virgin Atlantic Logo
11:25 am - 2:38 pmKEF-SEA
34h 13m1 stop
$430Virgin Atlantic
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Sat, Sep 27 - Mon, Oct 6
Virgin Atlantic Logo
7:45 am - 9:30 amSEA-KEF
18h 45m1 stop
Virgin Atlantic Logo
11:25 am - 10:25 pmKEF-SEA
18h 00m1 stop
$446Virgin Atlantic
Find Deal
Mon, Sep 22 - Wed, Oct 1
United Airlines Logo
7:20 am - 8:10 amSEA-KEF
17h 50m1 stop
United Airlines Logo
9:30 am - 1:03 pmKEF-SEA
34h 33m2 stops
$458United Airlines
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Wed, Aug 27 - Wed, Sep 3
Air Canada Logo
7:40 pm - 8:10 amPDX-KEF
29h 30m2 stops
Air Canada Logo
9:30 am - 6:31 pmKEF-PDX
40h 01m2 stops
$458Air Canada
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Mon, Aug 25 - Wed, Sep 3
United Airlines Logo
1:55 pm - 8:30 amSEA-KEF
11h 35m1 stop
United Airlines Logo
9:30 am - 8:42 pmKEF-SEA
42h 12m2 stops
$463United Airlines
Find Deal
Tue, Aug 26 - Fri, Sep 5
Logo
9:20 pm - 6:20 amSEA-KEF
50h 00m2 stops
Logo
11:25 am - 8:16 pmKEF-SEA
15h 51m1 stop
$464
Find Deal
Thu, Sep 25 - Thu, Oct 2
Air Canada Logo
6:15 am - 8:15 amPDX-KEF
19h 00m2 stops
Air Canada Logo
9:30 am - 11:49 amKEF-PDX
33h 19m2 stops
$465Air Canada
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Fri, Sep 5 - Fri, Sep 12
Logo
4:55 pm - 8:30 amSEA-KEF
32h 35m1 stop
Logo
9:50 am - 2:16 pmKEF-SEA
35h 26m2 stops
$472
Find Deal
Wed, Sep 3 - Thu, Sep 18

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

Our best United Airlines deals on State of Washington to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Aug 27
SEA7:20 amSeattle/Tacoma Intl
17h 50m
1 stop
KEF8:10 amReykjavik Keflavik Intl
Sep 3
KEF9:30 amReykjavik Keflavik Intl
34h 33m
2 stops
SEA1:03 pmSeattle/Tacoma Intl
$458
Find similar
United Airlines
Aug 26
SEA1:55 pmSeattle/Tacoma Intl
11h 35m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Sep 5
KEF9:30 amReykjavik Keflavik Intl
42h 12m
2 stops
SEA8:42 pmSeattle/Tacoma Intl
$463
Find similar
United Airlines
Sep 3
SEA12:00 pmSeattle/Tacoma Intl
13h 15m
1 stop
KEF8:15 amReykjavik Keflavik Intl
Sep 10
KEF9:30 amReykjavik Keflavik Intl
43h 50m
2 stops
SEA10:20 pmSeattle/Tacoma Intl
$465
Find similar

KLM flights from State of Washington to Reykjavik Keflavik Intl Airport

Our best KLM deals on State of Washington to Reykjavik Keflavik Intl Airport flight tickets
KLM
Sep 9
SEA11:25 amSeattle/Tacoma Intl
15h 05m
1 stop
KEF9:30 amReykjavik Keflavik Intl
Sep 23
KEF8:45 amReykjavik Keflavik Intl
16h 09m
1 stop
SEA5:54 pmSeattle/Tacoma Intl
$486
Find similar
KLM
Sep 11
PDX7:15 amPortland
19h 15m
1 stop
KEF9:30 amReykjavik Keflavik Intl
Sep 20
KEF11:25 amReykjavik Keflavik Intl
16h 40m
1 stop
PDX9:05 pmPortland
$489
Find similar
KLM
Aug 27
GEG2:21 pmSpokane
9h 39m
1 stop
KEF7:00 amReykjavik Keflavik Intl
Sep 4
KEF9:30 amReykjavik Keflavik Intl
21h 18m
1 stop
GEG11:48 pmSpokane
$986
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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 August 13, 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

Sat 9/27

3:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Mon 10/6

4:50 pm-5:50 pm

Nonstop8h 00m

$410

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 9/22

3:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Wed 10/1

7:45 pm-8:40 pm

Nonstop7h 55m

$418

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 9/27

11:25 am-9:30 am

1 stop15h 05m

Reykjavik Keflavik Intl

Mon 10/6

11:25 am-2:38 pm

1 stop34h 13m

$430

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 9/22

7:45 am-9:30 am

1 stop18h 45m

Reykjavik Keflavik Intl

Wed 10/1

11:25 am-10:25 pm

1 stop18h 00m

$446

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 8/27

7:20 am-8:10 am

1 stop17h 50m

Reykjavik Keflavik Intl

Wed 9/3

9:30 am-1:03 pm

2 stops34h 33m

$458

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 8/25

7:40 pm-8:10 am

2 stops29h 30m

Reykjavik Keflavik Intl

Wed 9/3

9:30 am-6:31 pm

2 stops40h 01m

$458

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 8/26

1:55 pm-8:30 am

1 stop11h 35m

Reykjavik Keflavik Intl

Fri 9/5

9:30 am-8:42 pm

2 stops42h 12m

$463

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 9/25

9:20 pm-6:20 am

2 stops50h 00m

Reykjavik Keflavik Intl

Thu 10/2

11:25 am-8:16 pm

1 stop15h 51m

$464

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Fri 9/5

6:15 am-8:15 am

2 stops19h 00m

Reykjavik Keflavik Intl

Fri 9/12

9:30 am-11:49 am

2 stops33h 19m

$465

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 9/3

4:55 pm-8:30 am

1 stop32h 35m

Reykjavik Keflavik Intl

Thu 9/18

9:50 am-2:16 pm

2 stops35h 26m

$472

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 $547. 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 $667.

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 $625. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Thursday, with ticket prices averaging around $674.

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 afternoon are often more expensive with an average ticket price of $663.

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 $725 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 $505 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

$227

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 $227. The best round-trip flight deal from State of Washington to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $410.
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
8.0
7,979 reviews
Search Delta flights
IcelandairPriceFrom $397Free CancellationRating
7.0
526 reviews
Search Icelandair flights

Traveling to a place near Reykjavik?

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

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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