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Cheap flights from Seattle to Reykjavik from C$ 390

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — REK
13 Mar — 20 Mar1
1 adult

Cheap 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 (IS1). 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 8 March 2025.

Round-trip from

C$ 765

One-way from

C$ 390
Icelandair
  • Icelandair
  • 15/4-25/4
  • Nonstop
  • 15h 25m total
  • Seattle to Reykjavik
Search Deals
28/4
  • 28/4
  • 1 total stop
  • 22h 15m total
  • Seattle to Reykjavik
Search Deals

Find flight deals from Seattle to Reykjavik

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 8 March 2025.

Tue 15/43:45 p.m.SEA - KEF
Nonstop7h 30mIcelandair
Fri 25/47:45 p.m.KEF - SEA
Nonstop7h 55mIcelandair
Deal found 7/3C$ 765
Sun 20/47:23 a.m.SEA - KEF
1 stop19h 07mMultiple Airlines
Sun 27/411:25 a.m.KEF - SEA
1 stop15h 38mMultiple Airlines
Deal found 7/3C$ 787
Mon 14/47:23 a.m.SEA - KEF
1 stop19h 07mDelta
Mon 21/411:25 a.m.KEF - SEA
1 stop18h 19mDelta
Deal found 7/3C$ 800
Tue 1/42:15 p.m.SEA - KEF
2 stops35h 05mLufthansa
Mon 7/412:25 a.m.KEF - SEA
1 stop19h 00mLufthansa
Deal found 7/3C$ 821
Wed 13/85:40 p.m.SEA - KEF
1 stop15h 50mFinnair
Wed 20/85:15 p.m.KEF - SEA
1 stop29h 45mFinnair
Deal found 6/3C$ 860
Thu 1/511:24 a.m.SEA - KEF
1 stop15h 06mAir France
Thu 8/511:25 a.m.KEF - SEA
2 stops19h 19mAir France
Deal found 7/3C$ 900
Sun 31/86:31 a.m.SEA - KEF
1 stop18h 59mUnited Airlines
Tue 9/912:00 p.m.KEF - SEA
1 stop17h 29mUnited Airlines
Deal found 6/3C$ 959
Sun 14/911:15 a.m.SEA - KEF
1 stop15h 15mKLM
Fri 3/108:50 a.m.KEF - SEA
2 stops20h 33mKLM
Deal found 6/3C$ 1,009

Find flights from Seattle to Reykjavik within your budget

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 8 March 2025.

Fly from

Seattle

Fly to

Reykjavik

Route

Depart

Return

Price

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 15/4

3:45 p.m.-6:15 a.m.

Nonstop7h 30m

Reykjavik Keflavik Intl

Thu 24/4

4:50 p.m.-5:50 p.m.

Nonstop8h 00m

C$ 765

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 20/4

7:23 a.m.-9:30 a.m.

1 stop19h 07m

Reykjavik Keflavik Intl

Sun 27/4

11:25 a.m.-8:03 p.m.

1 stop15h 38m

C$ 787

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 14/4

7:23 a.m.-9:30 a.m.

1 stop19h 07m

Reykjavik Keflavik Intl

Mon 21/4

11:25 a.m.-10:44 p.m.

1 stop18h 19m

C$ 800

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 1/4

2:15 p.m.-8:20 a.m.

2 stops35h 05m

Reykjavik Keflavik Intl

Mon 7/4

12:25 a.m.-12:25 p.m.

1 stop19h 00m

C$ 821

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 13/8

5:40 p.m.-4:30 p.m.

1 stop15h 50m

Reykjavik Keflavik Intl

Wed 20/8

5:15 p.m.-4:00 p.m.

1 stop29h 45m

C$ 860

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 1/5

11:24 a.m.-9:30 a.m.

1 stop15h 06m

Reykjavik Keflavik Intl

Thu 8/5

11:25 a.m.-11:44 p.m.

2 stops19h 19m

C$ 900

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 31/8

6:31 a.m.-8:30 a.m.

1 stop18h 59m

Reykjavik Keflavik Intl

Tue 9/9

12:00 p.m.-10:29 p.m.

1 stop17h 29m

C$ 959

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 28/4

11:30 p.m.-4:45 a.m.

1 stop22h 15m

C$ 390

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 30/8

3:39 p.m.-8:15 a.m.

2 stops33h 36m

C$ 631

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 19/8

7:20 a.m.-8:35 a.m.

1 stop18h 15m

C$ 728

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 16 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.

Travel insights for flights from Seattle to Reykjavik

Get recent, data-driven insights about flights from Seattle to Reykjavik including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of C$ 268). Flying from Seattle to Reykjavik in December is currently the most expensive (average of C$ 593). 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 KEF?

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 8 March 2025.

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.

Rainfall in Reykjavik by month

Plan your trip to Reykjavik by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik ranges from 40.0 - 80.0 mm per month. January is typically the wettest month, when rainfall can reach 80.0 mm. May is typically the driest time to visit Reykjavik when rainfall is around 40.0 mm.

Temperature in Reykjavik by month

Plan your trip to Reykjavik by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 11.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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 8 March 2025.
Alaska Airlines
8.0
Very good
9,714 reviews
Check prices

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines
8.0
Very good
9,714 reviews
Alaska Airlines
8.0
Very good
9,714 reviews
Check prices

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta
8.0
Very good
8,024 reviews
Alaska Airlines
8.0
Very good
9,714 reviews
Check prices

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Finnair
7.6
Good
1,271 reviews
Alaska Airlines
8.0
Very good
9,714 reviews
Check prices

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Austrian Airlines
7.5
Good
765 reviews
Alaska Airlines
8.0
Very good
9,714 reviews
Check prices

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

SWISS
7.5
Good
1,565 reviews
Alaska Airlines
8.0
Very good
9,714 reviews
Check prices

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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?

    If you book a flight to Reykjavik from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle. There are 0 flights from Seattle/Tacoma Intl to Reykjavik per day from 0 different airlines.

  • What are the cheapest airlines flying from Seattle to Reykjavik round-trip?

    Cheapflights users have booked flights from Seattle to Reykjavik round-trip from C$ 765. Other airlines that can offer you cheap pricing are Delta, from C$ 800, and Lufthansa, from C$ 821.

  • What are the cheapest airlines to fly from Seattle to Reykjavik one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 631. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Seattle to Reykjavik for a low price.

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

    The top 3 most reliable airlines when flying from Seattle to Reykjavik are Alaska Airlines (92%), Icelandair (92%) and airBaltic (81%).

  • What are the cheapest flights from Seattle to Reykjavik?

    Looking at all options, your cheapest flight can be booked for C$ 396. While the most popular route (Seattle/Tacoma Intl - Reykjavik Keflavik Intl) can be booked for C$ 897 on average our data indicates C$ 1,702 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, January is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of C$ 268). Flying from Seattle to Reykjavik in December is currently the most expensive (average of C$ 593). 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

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

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Certainly. Search results for flights to Reykjavik from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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