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Cheap flights from Seattle to Reykjavik from C$ 605

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — REK
17 Jun — 24 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Reykjavik

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Reykjavik
Explore the most affordable flight options available from Seattle to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 May 2026.

Fri 2/107:00 p.m.
SEA
-
KEF
Nonstop7h 25m
Icelandair
Sun 11/107:45 p.m.
KEF
-
SEA
Nonstop7h 55m
Icelandair
Deal found 13/5C$ 654
Sat 5/911:25 p.m.
SEA
-
KEF
Nonstop7h 35m
Icelandair
Fri 18/97:45 p.m.
KEF
-
SEA
Nonstop7h 55m
Icelandair
Deal found 17/5C$ 667
Mon 21/91:56 p.m.
SEA
-
KEF
1 stop11h 54m
United Airlines
Mon 5/1010:00 a.m.
KEF
-
SEA
2 stops36h 49m
United Airlines
Deal found 14/5C$ 668
Wed 30/910:58 p.m.
SEA
-
KEF
2 stops25h 57m
United Airlines
Thu 15/1010:00 a.m.
KEF
-
SEA
2 stops39h 59m
United Airlines
Deal found 13/5C$ 672
Fri 18/97:00 p.m.
SEA
-
KEF
Nonstop7h 25m
Icelandair
Sun 27/97:45 p.m.
KEF
-
SEA
Nonstop7h 55m
Icelandair
Deal found 13/5C$ 674
Thu 15/105:15 p.m.
SEA
-
KEF
1 stop32h 35m
United Airlines
Mon 19/1010:00 a.m.
KEF
-
SEA
2 stops39h 59m
United Airlines
Deal found 13/5C$ 676
Tue 29/95:15 p.m.
SEA
-
KEF
1 stop32h 35m
United Airlines
Sun 18/109:15 a.m.
KEF
-
SEA
2 stops55h 45m
United Airlines
Deal found 13/5C$ 678
Thu 24/911:50 p.m.
SEA
-
KEF
2 stops25h 55m
United Airlines
Mon 5/1010:00 a.m.
KEF
-
SEA
2 stops36h 49m
United Airlines
Deal found 12/5C$ 679
Thu 28/56:30 p.m.
SEA
-
KEF
Nonstop7h 30m
Alaska Airlines
Wed 3/612:45 p.m.
KEF
-
SEA
Nonstop7h 55m
Alaska Airlines
Deal found 16/5C$ 680
Fri 29/511:25 p.m.
SEA
-
KEF
Nonstop7h 35m
Icelandair
Sun 7/610:40 a.m.
KEF
-
SEA
Nonstop8h 05m
Icelandair
Deal found 13/5C$ 683
Sat 30/511:25 p.m.
SEA
-
KEF
Nonstop7h 35m
Icelandair
Thu 11/610:40 a.m.
KEF
-
SEA
Nonstop8h 05m
Icelandair
Deal found 15/5C$ 686

Find flight deals from Seattle to Reykjavik

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Reykjavik (REK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 May 2026.

Round-trip from

C$ 654

One-way from

C$ 605

Popular in

December

Cheapest in

October

Average price

C$ 931

Good round-trip deal

C$ 1,179 or less

Good one-way deal

C$ 469 or less
Icelandair
  • Icelandair
  • 2/10-11/10
  • Nonstop
  • 15h 20m total
  • Seattle to Reykjavik
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United Airlines
  • United Airlines
  • 22/9
  • 1 total stop
  • 18h 50m total
  • Seattle to Reykjavik
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Reykjavik (REK).
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Reykjavik (REK).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Reykjavik 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, Cheapflights users made 629,999 searches. Data last updated 18 May 2026.
Use the filters below to find and compare flights from Seattle to Reykjavik that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 8/6

1:51 p.m.-8:50 a.m.

1 stop11h 59m

Reykjavik Keflavik Intl

Mon 15/6

10:00 a.m.-7:18 p.m.

2 stops40h 18m

C$ 698

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 2/6

11:20 a.m.-9:30 a.m.

1 stop15h 10m

Reykjavik Keflavik Intl

Mon 8/6

9:30 a.m.-8:46 p.m.

1 stop18h 16m

C$ 701
Quickest round-trip

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 22/9

1:45 p.m.-7:00 a.m.

1 stop10h 15m

Reykjavik Keflavik Intl

Tue 29/9

9:30 a.m.-8:24 p.m.

1 stop17h 54m

C$ 707

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 19/9

6:05 a.m.-7:00 a.m.

1 stop17h 55m

Reykjavik Keflavik Intl

Fri 25/9

9:30 a.m.-11:26 p.m.

1 stop20h 56m

C$ 707

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 16/9

1:45 p.m.-7:00 a.m.

1 stop10h 15m

Reykjavik Keflavik Intl

Wed 23/9

9:30 a.m.-8:24 p.m.

1 stop17h 54m

C$ 707

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 11/7

6:05 a.m.-7:00 a.m.

1 stop17h 55m

Reykjavik Keflavik Intl

Sat 18/7

9:30 a.m.-5:00 p.m.

1 stop14h 30m

C$ 714

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 3/6

6:00 a.m.-7:40 a.m.

1 stop18h 40m

Reykjavik Keflavik Intl

Wed 10/6

11:25 a.m.-11:08 p.m.

1 stop18h 43m

C$ 714

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 2/6

10:29 a.m.-8:50 a.m.

2 stops15h 21m

Reykjavik Keflavik Intl

Sun 7/6

11:30 a.m.-8:46 p.m.

1 stop16h 16m

C$ 719

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 13/7

9:45 a.m.-7:40 a.m.

1 stop14h 55m

Reykjavik Keflavik Intl

Tue 21/7

9:30 a.m.-4:28 p.m.

2 stops13h 58m

C$ 720

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 14/7

9:45 a.m.-7:40 a.m.

1 stop14h 55m

Reykjavik Keflavik Intl

Mon 20/7

8:45 a.m.-8:27 p.m.

2 stops18h 42m

C$ 720

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/5

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Seattle to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Reykjavik

How far ahead should I book a flight from Seattle to Reykjavik?

The best time to book flights from Seattle to Reykjavik is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Reykjavik?

Currently, September is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of C$ 406). Flying from Seattle to Reykjavik in June is currently the most expensive (average of C$ 569). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to REK?

Find hourly flight availability from Seattle to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Reykjavik as you normally would.

Weekly flight availability from Seattle to Reykjavik

Explore weekly flight availability from Seattle to Reykjavik. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 May 2026.

The most flights from SEA to REK are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Seattle to Reykjavik?

Related info for your journey

Find useful and relevant information for your journey from Seattle to Reykjavik. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Reykjavik?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Reykjavik. On average, Seattle/Tacoma Intl has 4 outbound flights to Reykjavik per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • How long is the flight from Seattle to Reykjavik?

    Airlines like United Airlines, KLM, and Delta fly from Seattle to Reykjavik in about 10h 15m. The time it takes to get you to your destination can typically vary by up to 4h 55m. The distance from Seattle to Reykjavik is about 5807 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Seattle to Reykjavik?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Reykjavik on time: airBaltic (100%), Alaska Airlines (72%), Icelandair (71%).

  • What are the cheapest flights from Seattle to Reykjavik?

    Looking at all options, your cheapest flight can be booked for C$ 339. While the most popular route (Seattle/Tacoma Intl - Reykjavik Keflavik Intl) can be booked for C$ 881 on average, our data indicates C$ 722 when flying from Seattle to Reykjavik.

  • Can I find deals for flights from Seattle to Reykjavik that include hotel bookings?

    Yes. In addition to deals on Seattle to Reykjavik flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Reykjavik?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Reykjavik.

  • Can I find deals for business class flights from Seattle to Reykjavik?

    Yes. Cheapflights offers flight deals from Seattle to Reykjavik by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Reykjavik?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of C$ 406). Flying from Seattle to Reykjavik in June is currently the most expensive (average of C$ 569). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Kopavogur
Hveragerdi

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Alternative routes for Seattle to Reykjavik

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Keflavik Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Reykjavik?

Cheapflights makes it easy to find Seattle to Reykjavik flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Reykjavik?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Reykjavik for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Reykjavik with no change fees?

Need flexible booking options for your flight to Reykjavik from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Reykjavik become cheaper?

Yes! Start tracking prices for Seattle to Reykjavik flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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