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Cheap flights from Seattle to Reykjavik Keflavik Intl Airport from $317

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 Reykjavik Keflavik Intl Airport departing on 2/1. 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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Find the cheapest flights from Seattle to Reykjavik

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Reykjavik that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Reykjavik.

Cheap last minute flights

Planning a quick getaway from Seattle to Reykjavik? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Reykjavik, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Reykjavik

Find recent round-trip train or bus tickets from Seattle to Reykjavik.

All round-trip flight deals to Reykjavik

The cheapest plane tickets to Reykjavik found on KAYAK recently.
3:45 pm - 4:45 amSEA-KEF
29h 00m1 stop
4:00 pm - 10:38 amKEF-SEA
26h 38m1 stop
Sat, Feb 1 - Sat, Feb 8
3:45 pm - 4:45 amSEA-KEF
29h 00m1 stop
4:00 pm - 10:38 amKEF-SEA
26h 38m1 stop
Sat, Feb 1 - Sat, Feb 8
6:50 pm - 10:50 amSEA-KEF
32h 00m1 stop
11:45 am - 4:55 pmKEF-SEA
37h 10m1 stop
$567British Airways
Find Deal
Mon, Feb 24 - Tue, Mar 4
6:50 pm - 10:55 amSEA-KEF
32h 05m1 stop
11:45 am - 4:55 pmKEF-SEA
37h 10m1 stop
$570British Airways
Find Deal
Sun, Feb 2 - Tue, Feb 11
11:30 pm - 2:00 pmSEA-KEF
7h 30mnonstop
7:45 pm - 8:40 pmKEF-SEA
7h 55mnonstop
$679Icelandair
Find Deal
Sun, May 25 - Sun, Jun 1
2:35 pm - 6:15 amSEA-KEF
7h 40mnonstop
5:05 pm - 5:00 pmKEF-SEA
7h 55mnonstop
$702Icelandair
Find Deal
Tue, Feb 18 - Wed, Feb 26
12:40 am - 9:30 amSEA-KEF
25h 50m2 stops
11:25 am - 10:25 pmKEF-SEA
18h 00m2 stops
$712Delta
Find Deal
Tue, Apr 29 - Wed, May 7
6:05 am - 9:30 amSEA-KEF
20h 25m2 stops
11:25 am - 11:59 pmKEF-SEA
19h 34m2 stops
$715Delta
Find Deal
Wed, Apr 9 - Sat, Apr 19
7:20 am - 8:35 amSEA-KEF
42h 15m2 stops
10:00 am - 11:16 amKEF-SEA
32h 16m1 stop
$720Air Canada
Find Deal
Sat, Jun 14 - Mon, Jun 23
7:15 pm - 8:35 amSEA-KEF
54h 20m2 stops
10:00 am - 2:13 pmKEF-SEA
35h 13m2 stops
$731Air Canada
Find Deal
Tue, Jun 3 - Mon, Jun 9
5:55 pm - 5:00 amSEA-KEF
27h 05m3 stops
Sat, Feb 1
7:10 am - 4:45 amSEA-KEF
37h 35m3 stops
Sat, Feb 1
7:00 pm - 9:25 amSEA-KEF
7h 25mnonstop
$470Icelandair
Find Deal
Wed, Apr 16
2:35 pm - 6:15 amSEA-KEF
7h 40mnonstop
$488Icelandair
Find Deal
Wed, Feb 19
7:15 pm - 8:35 amSEA-KEF
30h 20m2 stops
$556Air Canada
Find Deal
Sat, Jun 14
7:20 am - 8:35 amSEA-KEF
18h 15m1 stop
$584Air Canada
Find Deal
Thu, Jun 12
3:30 pm - 9:30 amSEA-KEF
35h 00m1 stop
$608Delta
Find Deal
Sat, Jun 14
4:30 pm - 8:35 amSEA-KEF
33h 05m3 stops
$711United Airlines
Find Deal
Mon, Jun 9
4:30 pm - 8:35 amSEA-KEF
33h 05m3 stops
$716United Airlines
Find Deal
Tue, Jun 10
12:40 am - 7:00 amSEA-KEF
23h 20m1 stop
$929Delta
Find Deal
Sun, Jun 8
10:51 pm - 6:00 amSEA-KEF
23h 09m1 stop
5:05 pm - 5:00 pmKEF-SEA
7h 55mnonstop
$1,245Icelandair
Find Deal
Mon, Dec 23 - Mon, Dec 30
10:51 pm - 6:00 amSEA-KEF
23h 09m1 stop
5:05 pm - 5:00 pmKEF-SEA
7h 55mnonstop
$1,295Icelandair
Find Deal
Mon, Dec 23 - Mon, Dec 30
8:06 am - 6:35 amSEA-KEF
14h 29m1 stop
5:05 pm - 5:00 pmKEF-SEA
7h 55mnonstop
$1,422
Find Deal
Sun, Dec 22 - Mon, Dec 30
9:36 pm - 6:05 amSEA-KEF
24h 29m1 stop
3:20 pm - 1:10 pmKEF-SEA
29h 50m2 stops
$1,669
Find Deal
Mon, Dec 23 - Mon, Dec 30
7:15 am - 3:25 pmSEA-KEF
24h 10m2 stops
7:35 am - 12:24 amKEF-SEA
24h 49m2 stops
$2,420Scandinavian Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
10:15 am - 3:25 pmSEA-KEF
21h 10m2 stops
7:35 am - 12:24 amKEF-SEA
24h 49m2 stops
$3,016Scandinavian Airlines
Find Deal
Mon, Dec 23 - Wed, Jan 1
7:00 pm - 3:20 pmSEA-KEF
36h 20m2 stops
10:00 am - 5:05 pmKEF-SEA
39h 05m2 stops
$3,500Turkish Airlines
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Sun, Dec 22 - Sun, Dec 29
7:00 pm - 3:20 pmSEA-KEF
36h 20m2 stops
10:00 am - 5:05 pmKEF-SEA
39h 05m2 stops
$3,516Turkish Airlines
Find Deal
Sat, Dec 21 - Sun, Dec 29
1:35 pm - 10:45 amSEA-KEF
61h 10m2 stops
11:50 am - 2:26 pmKEF-SEA
34h 36m2 stops
$3,761British Airways
Find Deal
Mon, Dec 23 - Sat, Jan 4
1:45 pm - 5:10 pmSEA-KEF
19h 25m1 stop
6:20 pm - 11:31 pmKEF-SEA
37h 11m2 stops
$3,959British Airways
Find Deal
Sat, Dec 21 - Sun, Dec 29
3:45 pm - 6:15 amSEA-KEF
7h 30mnonstop
4:50 pm - 5:50 pmKEF-SEA
8h 00mnonstop
$657Icelandair
Find Deal
Wed, Apr 2 - Tue, Apr 8
11:30 pm - 2:00 pmSEA-KEF
7h 30mnonstop
7:45 pm - 8:40 pmKEF-SEA
7h 55mnonstop
$667Icelandair
Find Deal
Thu, May 22 - Mon, Jun 2
11:30 pm - 2:00 pmSEA-KEF
7h 30mnonstop
7:45 pm - 8:40 pmKEF-SEA
7h 55mnonstop
$679Icelandair
Find Deal
Sun, May 25 - Sun, Jun 1
7:00 pm - 9:25 amSEA-KEF
7h 25mnonstop
7:45 pm - 8:40 pmKEF-SEA
7h 55mnonstop
$680Icelandair
Find Deal
Thu, Apr 24 - Mon, Apr 28
7:00 pm - 9:25 amSEA-KEF
7h 25mnonstop
7:45 pm - 8:40 pmKEF-SEA
7h 55mnonstop
$689Icelandair
Find Deal
Sun, May 4 - Thu, May 8
2:35 pm - 6:15 amSEA-KEF
7h 40mnonstop
5:05 pm - 5:00 pmKEF-SEA
7h 55mnonstop
$702Icelandair
Find Deal
Tue, Feb 18 - Wed, Feb 26
2:35 pm - 6:15 amSEA-KEF
7h 40mnonstop
5:05 pm - 5:00 pmKEF-SEA
7h 55mnonstop
$703Icelandair
Find Deal
Sun, Feb 2 - Tue, Feb 11
7:00 pm - 9:25 amSEA-KEF
7h 25mnonstop
7:45 pm - 8:40 pmKEF-SEA
7h 55mnonstop
$712Icelandair
Find Deal
Mon, Apr 14 - Mon, Apr 21
2:35 pm - 6:15 amSEA-KEF
7h 40mnonstop
5:05 pm - 5:00 pmKEF-SEA
7h 55mnonstop
$714Icelandair
Find Deal
Wed, Feb 19 - Fri, Feb 28
2:35 pm - 6:15 amSEA-KEF
7h 40mnonstop
5:05 pm - 5:00 pmKEF-SEA
7h 55mnonstop
$715Icelandair
Find Deal
Tue, Feb 25 - Tue, Mar 4

American Airlines flights from Seattle to Reykjavik Keflavik Intl Airport

Our best American Airlines deals on Seattle to Reykjavik Keflavik Intl Airport flight tickets
American Airlines
Jan 24
SEA6:50 pmSeattle/Tacoma Intl
31h 50m
1 stop
KEF10:40 amReykjavik Keflavik Intl
Feb 7
KEF6:45 pmReykjavik Keflavik Intl
24h 35m
1 stop
SEA11:20 amSeattle/Tacoma Intl
American Airlines
Jan 18
SEA1:45 pmSeattle/Tacoma Intl
19h 25m
1 stop
KEF5:10 pmReykjavik Keflavik Intl
Jan 25
KEF11:50 amReykjavik Keflavik Intl
37h 05m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
American Airlines
Mar 7
SEA11:59 pmSeattle/Tacoma Intl
33h 11m
2 stops
KEF5:10 pmReykjavik Keflavik Intl
Mar 16
KEF6:20 pmReykjavik Keflavik Intl
30h 35m
1 stop
SEA5:55 pmSeattle/Tacoma Intl

Icelandair flights from Seattle to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Seattle to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
May 25
SEA11:30 pmSeattle/Tacoma Intl
7h 30m
KEF2:00 pmReykjavik Keflavik Intl
Jun 1
KEF7:45 pmReykjavik Keflavik Intl
7h 55m
SEA8:40 pmSeattle/Tacoma Intl
Icelandair
Feb 18
SEA2:35 pmSeattle/Tacoma Intl
7h 40m
KEF6:15 amReykjavik Keflavik Intl
Feb 26
KEF5:05 pmReykjavik Keflavik Intl
7h 55m
SEA5:00 pmSeattle/Tacoma Intl
Icelandair
Feb 2
SEA2:35 pmSeattle/Tacoma Intl
7h 40m
KEF6:15 amReykjavik Keflavik Intl
Feb 11
KEF5:05 pmReykjavik Keflavik Intl
7h 55m
SEA5:00 pmSeattle/Tacoma Intl

See travel insights to Reykjavik from

How to get the cheapest flight ticket from Seattle 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 typical price of a round-trip flight between Seattle and Reykjavik Keflavik Intl Airport?

What is the cheapest month to fly to Reykjavik Keflavik Intl Airport?

The month of May is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from Seattle, with most prices found around $703. If you’re not able to fly to Reykjavik Keflavik Intl Airport in May, then November is your next best option. Flight prices from Seattle to Reykjavik Keflavik Intl Airport during November average around $727.

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

The cheapest day to depart from Seattle to Reykjavik Keflavik Intl Airport is on a Monday when prices can be found for as low as $728. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Friday, with ticket prices averaging around $793.

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 $791.

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

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

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

In general, most travelers find the cheapest time to book a flight to Reykjavik Keflavik Intl Airport is about 26 days prior to their departure date when tickets on average are $761. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $480.

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

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

You could potentially save up to 26% on your flight if you consider stops on a Seattle to Reykjavik Keflavik Intl Airport flight.

How have Seattle to Reykjavik Keflavik Intl Airport flight prices changed over time?

As of December 2024, prices for Seattle to Reykjavik Keflavik Intl Airport flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Reykjavik Keflavik Intl Airport (SEA to KEF) flight deals and tips

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

Best Price Found

$317

Fastest flight time

7h 25m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from Seattle in the past 72 hours is $317. The best round-trip flight deal from Seattle to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $543.
The fastest flight from Seattle to Reykjavik Keflavik Intl Airport takes 7h 25m
Direct flights go from Seattle to Reykjavik Keflavik Intl Airport every day.

  • How far is Seattle/Tacoma Intl to Reykjavik Keflavik Intl by plane?

    The distance between Seattle/Tacoma Intl and Reykjavik Keflavik Intl is about 3599.8 mi. A reasonable flight in good conditions will take 7h 25m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Reykjavik Keflavik Intl Airport.

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

    The necessary travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Reykjavik Keflavik Intl Airport?

  • What is the most popular airline from Seattle to Reykjavik Keflavik Intl Airport?


Best airlines flying from Seattle to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from Seattle to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $454Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
United AirlinesPriceFrom $485Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
Air FrancePriceFrom $520Free CancellationRating
7.4
1,504 reviews
Search Air France flights
DeltaPriceFrom $520Free CancellationRating
8.0
8,604 reviews
Search Delta flights
IcelandairPriceFrom $621Free CancellationRating
7.1
509 reviews
Search Icelandair flights
  • Icelandair Flights From Seattle to Reykjavik Keflavik Intl Airport

    Icelandair is one of the most popular airlines flying from Seattle to Reykjavik Keflavik Intl Airport, operating 4 flights/week on average for this route. A good Icelandair flight deal for Seattle to Reykjavik Keflavik Intl Airport starts from $621 round-trip, up to an average price of $783. Our users have rated Icelandair at 7.1/10.


Why use momondo?

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

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

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

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

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

Yes. momondo can track prices for Seattle to Reykjavik flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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