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Cheap flights from Seattle to Reykjavik from C$ 625

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — REK
3 May — 10 May1
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 3 April 2026.

Sat 18/47:00 p.m.
SEA
-
KEF
Nonstop7h 25m
Icelandair
Wed 22/44:50 p.m.
KEF
-
SEA
Nonstop8h 05m
Icelandair
Deal found 1/4C$ 625
Tue 7/41:45 p.m.
SEA
-
KEF
1 stop12h 45m
Delta
Tue 14/411:25 a.m.
KEF
-
SEA
1 stop15h 34m
Delta
Deal found 31/3C$ 659
Tue 7/45:30 a.m.
SEA
-
KEF
2 stops21h 00m
Virgin Atlantic
Tue 14/411:25 a.m.
KEF
-
SEA
1 stop15h 34m
Virgin Atlantic
Deal found 31/3C$ 665
Wed 29/47:00 p.m.
SEA
-
KEF
Nonstop7h 25m
Icelandair
Thu 7/54:50 p.m.
KEF
-
SEA
Nonstop8h 05m
Icelandair
Deal found 1/4C$ 671
Tue 21/412:00 p.m.
SEA
-
KEF
1 stop14h 30m
KLM
Tue 28/411:25 a.m.
KEF
-
SEA
2 stops32h 00m
KLM
Deal found 1/4C$ 673
Sun 14/66:35 p.m.
SEA
-
KEF
Nonstop7h 25m
Alaska Airlines
Thu 18/612:45 p.m.
KEF
-
SEA
Nonstop7h 55m
Alaska Airlines
Deal found 1/4C$ 693
Fri 24/412:00 p.m.
SEA
-
KEF
1 stop14h 30m
Delta
Sun 3/511:25 a.m.
KEF
-
SEA
1 stop15h 34m
Delta
Deal found 1/4C$ 704
Mon 13/45:35 a.m.
SEA
-
KEF
2 stops20h 55m
Virgin Atlantic
Fri 17/411:25 a.m.
KEF
-
SEA
2 stops36h 23m
Virgin Atlantic
Deal found 28/3C$ 712
Thu 16/44:36 p.m.
SEA
-
KEF
2 stops33h 54m
Delta
Wed 22/411:25 a.m.
KEF
-
SEA
2 stops19h 34m
Delta
Deal found 31/3C$ 715
Mon 13/41:30 p.m.
SEA
-
KEF
2 stops37h 00m
Virgin Atlantic
Wed 22/411:25 a.m.
KEF
-
SEA
2 stops38h 05m
Virgin Atlantic
Deal found 28/3C$ 716
Thu 11/69:45 a.m.
SEA
-
KEF
1 stop14h 55m
Delta
Fri 19/611:25 a.m.
KEF
-
SEA
1 stop18h 33m
Delta
Deal found 31/3C$ 728

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 3 April 2026.

Round-trip from

C$ 625

Popular in

December

Cheapest in

October

Average price

C$ 906

Good round-trip deal

C$ 647 or less

Good one-way deal

C$ 337 or less
Icelandair
  • Icelandair
  • 18/4-22/4
  • Nonstop
  • 15h 30m total
  • Seattle to Reykjavik
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 3 April 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

Fri 24/4

7:20 a.m.-9:30 a.m.

1 stop19h 10m

Reykjavik Keflavik Intl

Sat 2/5

11:25 a.m.-10:31 p.m.

1 stop18h 06m

C$ 704

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 24/4

10:40 p.m.-9:30 a.m.

1 stop27h 50m

Reykjavik Keflavik Intl

Sun 3/5

11:25 a.m.-7:59 p.m.

1 stop15h 34m

C$ 711

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 27/5

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

1 stop19h 15m

Reykjavik Keflavik Intl

Fri 12/6

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

2 stops14h 00m

C$ 733
Quickest round-trip

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 10/6

11:50 a.m.-7:40 a.m.

1 stop12h 50m

Reykjavik Keflavik Intl

Fri 19/6

11:25 a.m.-8:19 p.m.

1 stop15h 54m

C$ 797

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 3/6

5:30 a.m.-7:00 a.m.

1 stop18h 30m

Reykjavik Keflavik Intl

Sun 7/6

8:45 a.m.-6:45 p.m.

1 stop17h 00m

C$ 797

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 16/6

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

1 stop19h 15m

Reykjavik Keflavik Intl

Sun 28/6

9:30 a.m.-11:59 p.m.

1 stop21h 29m

C$ 797

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 22/4

9:51 a.m.-9:30 a.m.

2 stops16h 39m

Reykjavik Keflavik Intl

Wed 29/4

11:25 a.m.-9:49 p.m.

2 stops17h 24m

C$ 936

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 6/7

9:06 a.m.-7:00 a.m.

1 stop14h 54m

Reykjavik Keflavik Intl

Fri 17/7

8:45 a.m.-6:42 p.m.

1 stop16h 57m

C$ 960
Cheapest one-way

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 28/4

11:10 a.m.-9:30 a.m.

2 stops15h 20m

C$ 726

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 30/4

11:10 a.m.-9:30 a.m.

2 stops15h 20m

C$ 726

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Reykjavik. Price data was last updated on 2 April 2026.

The best time to book flights from Seattle to Reykjavik is 69 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, October is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of C$ 490). Flying from Seattle to Reykjavik in June is currently the most expensive (average of C$ 694). 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 3 April 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 3 April 2026.

The most flights from SEA to REK are scheduled on a Monday (4 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

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

Reviews of airlines servicing Reykjavik

Get insights into the airlines that provide service to Reykjavik. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reykjavik. Reviews last updated 3 April 2026.
Read reviews from past customers who have flown Icelandair from Seattle to Reykjavik. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
630 reviews
Check prices

Food

6.1

Comfort

6.9

Crew

8.0

Boarding

7.2

Overall

7.0

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Bruce,Mar 2026

BCN - KEF

The airline is charging everything. Drink, meal and ear plug for watching entertainment. This was 4 hours 40 minutes flight.
Icelandair
7.0
Good
630 reviews
Icelandair
7.0
Good
630 reviews
Check prices

Food

6.1

Comfort

6.9

Crew

8.0

Boarding

7.2

Overall

7.0

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Bruce,Mar 2026

BCN - KEF

The airline is charging everything. Drink, meal and ear plug for watching entertainment. This was 4 hours 40 minutes 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 3 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 Delta fly from Seattle to Reykjavik in about 19h 10m. The time it takes to get you to your destination can typically vary by up to . The distance from Seattle to Reykjavik is about 5807 km.

  • 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 (87%), Alaska Airlines (69%), Icelandair (66%).

  • What are the cheapest flights from Seattle to Reykjavik?

    Looking at all options, your cheapest flight can be booked for C$ 250. While the most popular route (Seattle/Tacoma Intl - Reykjavik Keflavik Intl) can be booked for C$ 1,415 on average, our data indicates C$ 596 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$ 490). Flying from Seattle to Reykjavik in June is currently the most expensive (average of C$ 694). 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

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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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