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Cheap flights from Seattle to Reykjavik from C$ 673

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — REK
22 Jan — 29 Jan1
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 23 December 2025.

Sat 20/122:35 p.m.SEA - KEF
Nonstop7h 40mIcelandair
Wed 24/125:00 p.m.KEF - SEA
Nonstop8h 00mIcelandair
Deal found 20/12C$ 2,138
Sat 20/122:35 p.m.SEA - KEF
Nonstop7h 40mMultiple Airlines
Wed 24/124:50 p.m.KEF - SEA
1 stop25h 30mMultiple Airlines
Deal found 20/12C$ 2,376
Sat 27/125:45 p.m.SEA - KEF
2 stops33h 10mBritish Airways
Thu 8/110:00 a.m.KEF - SEA
2 stops57h 30mBritish Airways
Deal found 20/12C$ 2,617
Sat 27/122:35 p.m.SEA - KEF
Nonstop7h 40mIcelandair
Wed 7/15:00 p.m.KEF - SEA
Nonstop8h 00mIcelandair
Deal found 20/12C$ 2,703
Fri 26/126:50 p.m.SEA - KEF
2 stops54h 25mBritish Airways
Thu 8/110:00 a.m.KEF - SEA
2 stops57h 30mBritish Airways
Deal found 20/12C$ 2,751
Wed 31/122:35 p.m.SEA - KEF
Nonstop7h 40mIcelandair
Mon 5/15:15 p.m.KEF - SEA
1 stop11h 26mIcelandair
Deal found 20/12C$ 2,758
Mon 29/123:37 p.m.SEA - KEF
2 stops35h 13mBritish Airways
Wed 7/111:50 a.m.KEF - SEA
2 stops42h 30mBritish Airways
Deal found 20/12C$ 2,934
Sun 28/129:58 p.m.SEA - KEF
2 stops52h 52mBritish Airways
Wed 7/111:50 a.m.KEF - SEA
2 stops42h 30mBritish Airways
Deal found 20/12C$ 2,942
Tue 30/126:50 p.m.SEA - KEF
1 stop31h 55mBritish Airways
Tue 6/111:50 a.m.KEF - SEA
2 stops42h 17mBritish Airways
Deal found 20/12C$ 2,948
Mon 29/123:37 p.m.SEA - KEF
2 stops35h 13mBritish Airways
Tue 6/111:50 a.m.KEF - SEA
2 stops42h 17mBritish Airways
Deal found 20/12C$ 2,983
Sun 28/129:58 p.m.SEA - KEF
2 stops52h 52mBritish Airways
Tue 6/111:50 a.m.KEF - SEA
2 stops42h 17mBritish Airways
Deal found 20/12C$ 2,992

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 23 December 2025.

Round-trip from

C$ 673

Popular in

March

Cheapest in

October

Average price

C$ 1,099

Good round-trip deal

C$ 650 or less
Delta
  • Delta
  • 5/4-30/4
  • 2 total stops
  • 37h 08m total
  • Seattle to Reykjavik
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip 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 23 December 2025.
Use the filters below to find and compare flights from Seattle to Reykjavik that are best for you.

Fly from

Seattle

Fly to

Reykjavik

Route

Depart

Return

Price

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 20/4

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

1 stop14h 31m

Reykjavik Keflavik Intl

Wed 29/4

11:25 a.m.-8:00 p.m.

1 stop15h 35m

C$ 673

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 5/4

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

1 stop19h 10m

Reykjavik Keflavik Intl

Thu 30/4

11:25 a.m.-10:23 p.m.

1 stop17h 58m

C$ 673

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 11/4

10:59 p.m.-9:30 a.m.

1 stop27h 31m

Reykjavik Keflavik Intl

Tue 21/4

11:25 a.m.-10:23 p.m.

1 stop17h 58m

C$ 680

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 4/4

10:58 p.m.-9:30 a.m.

1 stop27h 32m

Reykjavik Keflavik Intl

Wed 29/4

11:25 a.m.-10:23 p.m.

1 stop17h 58m

C$ 680

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 4/4

10:58 p.m.-9:30 a.m.

1 stop27h 32m

Reykjavik Keflavik Intl

Thu 30/4

11:25 a.m.-10:23 p.m.

1 stop17h 58m

C$ 680

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 4/4

10:58 p.m.-9:30 a.m.

1 stop27h 32m

Reykjavik Keflavik Intl

Tue 28/4

11:25 a.m.-8:00 p.m.

1 stop15h 35m

C$ 680

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 31/3

3:55 p.m.-9:30 a.m.

2 stops34h 35m

Reykjavik Keflavik Intl

Thu 30/4

11:25 a.m.-10:23 p.m.

1 stop17h 58m

C$ 687

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 6/4

10:58 p.m.-9:30 a.m.

1 stop27h 32m

Reykjavik Keflavik Intl

Thu 30/4

11:25 a.m.-11:58 p.m.

2 stops19h 33m

C$ 687

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 6/4

3:55 p.m.-9:30 a.m.

2 stops34h 35m

Reykjavik Keflavik Intl

Wed 29/4

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

2 stops30h 06m

C$ 694

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 5/4

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

1 stop19h 10m

Reykjavik Keflavik Intl

Sat 25/4

11:25 a.m.-11:58 p.m.

2 stops19h 33m

C$ 748

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/12

Showing 1-10 of 22 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Reykjavik. Price data was last updated on 19 December 2025.

The best time to book flights from Seattle to Reykjavik is 63 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$ 485). Flying from Seattle to Reykjavik in May is currently the most expensive (average of C$ 708). 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 23 December 2025.

It’s typically best to fly out from Seattle to Reykjavik at noon. Doing so could potentially save you 14% on the flight price compared to flying in the evening, which is usually more expensive.

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 23 December 2025.

The most flights from SEA to REK are scheduled on a Monday (3 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 23 December 2025.
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
592 reviews
Check prices

Crew

8.0

Food

6.2

Boarding

7.2

Entertainment

7.0

Overall

7.0

Comfort

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.0
Good
592 reviews
Icelandair
7.0
Good
592 reviews
Check prices

Crew

8.0

Food

6.2

Boarding

7.2

Entertainment

7.0

Overall

7.0

Comfort

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

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 2 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 Virgin Atlantic, Delta, and KLM fly from Seattle to Reykjavik in about 14h 31m. The time it takes to get you to your destination can typically vary by up to 13h. 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 (86%), Alaska Airlines (60%), Icelandair (60%).

  • What are the cheapest flights from Seattle to Reykjavik?

    Looking at all options, your cheapest flight can be booked for C$ 594. While the most popular route (Seattle/Tacoma Intl - Reykjavik Keflavik Intl) can be booked for C$ 650 on average, our data indicates C$ 694 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$ 485). Flying from Seattle to Reykjavik in May is currently the most expensive (average of C$ 708). 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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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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