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Cheap flights from Seattle to Reykjavik from C$ 633

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — REK
31 Jul — 7 Aug1
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 1 July 2026.

Sun 28/65:15 p.m.
SEA
-
KEF
1 stop32h 35m
United Airlines
Fri 3/79:15 a.m.
KEF
-
SEA
3 stops45h 03m
United Airlines
Deal found 28/6C$ 717
Thu 2/73:23 p.m.
SEA
-
KEF
1 stop32h 37m
Multiple Airlines
Tue 7/710:00 a.m.
KEF
-
SEA
2 stops35h 22m
Multiple Airlines
Deal found 29/6C$ 718
Sat 27/610:52 a.m.
SEA
-
KEF
1 stop14h 58m
Multiple Airlines
Fri 3/79:15 a.m.
KEF
-
SEA
2 stops20h 27m
Multiple Airlines
Deal found 26/6C$ 721
Sat 27/610:52 a.m.
SEA
-
KEF
1 stop14h 58m
United Airlines
Fri 3/711:30 a.m.
KEF
-
SEA
1 stop31h 21m
United Airlines
Deal found 26/6C$ 724
Fri 26/65:15 p.m.
SEA
-
KEF
1 stop32h 35m
United Airlines
Tue 30/611:30 a.m.
KEF
-
SEA
1 stop16h 16m
United Airlines
Deal found 26/6C$ 731
Fri 10/710:52 a.m.
SEA
-
KEF
1 stop14h 58m
United Airlines
Mon 20/710:00 a.m.
KEF
-
SEA
1 stop18h 07m
United Airlines
Deal found 30/6C$ 734
Sat 4/79:05 a.m.
SEA
-
KEF
1 stop14h 55m
Delta
Tue 21/79:30 a.m.
KEF
-
SEA
1 stop21h 28m
Delta
Deal found 29/6C$ 736
Wed 22/75:15 p.m.
SEA
-
KEF
2 stops31h 40m
United Airlines
Mon 27/710:00 a.m.
KEF
-
SEA
1 stop18h 07m
United Airlines
Deal found 30/6C$ 738
Mon 20/78:00 a.m.
SEA
-
KEF
1 stop17h 45m
United Airlines
Wed 29/79:50 a.m.
KEF
-
SEA
1 stop18h 17m
United Airlines
Deal found 1/7C$ 739
Fri 3/77:05 a.m.
SEA
-
KEF
2 stops18h 45m
United Airlines
Fri 24/79:15 a.m.
KEF
-
SEA
2 stops29h 45m
United Airlines
Deal found 26/6C$ 741

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 1 July 2026.

Round-trip from

C$ 734

One-way from

C$ 633

Popular in

December

Cheapest in

October

Average price

C$ 960

Good round-trip deal

C$ 721 or less

Good one-way deal

C$ 157 or less
United Airlines
  • United Airlines
  • 22/7-29/7
  • 2 total stops
  • 37h 07m total
  • Seattle to Reykjavik
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United Airlines
  • United Airlines
  • 6/7
  • 1 total stop
  • 12h 30m total
  • Seattle to Reykjavik
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 1 July 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

Sat 11/7

5:00 a.m.-8:50 a.m.

2 stops20h 50m

Reykjavik Keflavik Intl

Sat 18/7

11:00 a.m.-7:55 a.m.

2 stops27h 55m

C$ 744

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 14/10

7:15 a.m.-9:30 a.m.

1 stop19h 15m

Reykjavik Keflavik Intl

Wed 21/10

11:25 a.m.-8:09 p.m.

1 stop15h 44m

C$ 873

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 14/10

6:00 a.m.-9:30 a.m.

2 stops20h 30m

Reykjavik Keflavik Intl

Wed 21/10

11:25 a.m.-11:59 p.m.

2 stops19h 34m

C$ 881
Quickest round-trip

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 22/9

11:59 a.m.-7:00 a.m.

1 stop12h 01m

Reykjavik Keflavik Intl

Tue 29/9

11:25 a.m.-11:20 p.m.

1 stop18h 55m

C$ 891

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 2/9

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

1 stop17h 55m

Reykjavik Keflavik Intl

Mon 21/9

11:25 a.m.-11:20 p.m.

1 stop18h 55m

C$ 891

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 17/9

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

1 stop18h 00m

Reykjavik Keflavik Intl

Mon 21/9

9:30 a.m.-11:55 p.m.

1 stop21h 25m

C$ 891

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 26/8

7:15 a.m.-9:30 a.m.

1 stop19h 15m

Reykjavik Keflavik Intl

Mon 31/8

9:30 a.m.-10:00 p.m.

1 stop19h 30m

C$ 891

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 15/8

5:50 p.m.-7:40 a.m.

2 stops30h 50m

Reykjavik Keflavik Intl

Sat 22/8

8:45 a.m.-8:30 p.m.

2 stops18h 45m

C$ 899

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 1/9

11:59 p.m.-7:00 a.m.

1 stop24h 01m

Reykjavik Keflavik Intl

Wed 9/9

9:30 a.m.-11:55 p.m.

1 stop21h 25m

C$ 904

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 19/7

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

1 stop17h 55m

Reykjavik Keflavik Intl

Sat 25/7

9:30 a.m.-8:48 p.m.

1 stop18h 18m

C$ 957

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/6

Showing 1-10 of 20 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

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

Currently, October is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of C$ 513). Flying from Seattle to Reykjavik in July is currently the most expensive (average of C$ 663). 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 1 July 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 1 July 2026.

The most flights from SEA to REK are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, 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?

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

The best time to book flights from Seattle to Reykjavik is 58 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.

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 6 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 and Delta fly from Seattle to Reykjavik in about 19h 15m. The time it takes to get you to your destination can typically vary by up to 1h 35m. 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 cheapest flights from Seattle to Reykjavik?

    Looking at all options, your cheapest flight can be booked for C$ 113. While the most popular route (Seattle/Tacoma Intl - Reykjavik Keflavik Intl) can be booked for C$ 742 on average, our data indicates C$ 630 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, October is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of C$ 513). Flying from Seattle to Reykjavik in July is currently the most expensive (average of C$ 663). 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

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Alternative routes for Seattle to Reykjavik

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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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