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$343+ Cheap flights from Seattle (SEA) to Reykjavik

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — REK
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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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 January 21, 2025.

Round-trip from

$652
(Finnair)

One-way from

$343
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$740
From Seattle/Tacoma Intl to Reykjavik
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One-way flight from Seattle/Tacoma Intl to Reykjavik
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High demand for flights, 7% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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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 January 21, 2025.

This Finnair deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/36:50 pmSEA - KEF
2 stops30h 25mFinnair
Tue 3/1110:00 amKEF - SEA
2 stops38h 55mFinnair
Deal found 1/20$652
This FlightHub deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/232:35 pmSEA - KEF
Nonstop7h 40mIcelandair
Mon 3/105:05 pmKEF - SEA
Nonstop7h 55mIcelandair
Deal found 1/20$653
This Aeromexico deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:15 amSEA - KEF
1 stop15h 15mAir France
Fri 9/1211:25 amKEF - SEA
2 stops38h 13mAir France
Deal found 1/20$657
This Air Canada deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:20 pmSEA - KEF
1 stop13h 15mAir Canada
Tue 9/2310:00 amKEF - SEA
1 stop32h 14mAir Canada
Deal found 1/20$658
This KAYAK deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/103:00 pmSEA - KEF
2 stops39h 20mLufthansa
Sat 3/152:20 pmKEF - SEA
2 stops53h 50mLufthansa
Deal found 1/20$659
This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:40 pmSEA - KEF
1 stop10h 20mMultiple Airlines
Wed 9/1711:25 amKEF - SEA
1 stop15h 14mMultiple Airlines
Deal found 1/20$660
This Ovago deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/298:20 pmSEA - KEF
1 stop30h 25mBritish Airways
Mon 4/78:45 amKEF - SEA
2 stops33h 25mBritish Airways
Deal found 1/20$663
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/277:20 amSEA - KEF
1 stop19h 10mDelta
Mon 6/211:25 amKEF - SEA
2 stops19h 34mDelta
Deal found 1/19$671
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1712:20 pmSEA - KEF
1 stop13h 15mUnited Airlines
Sat 8/3012:00 pmKEF - SEA
1 stop17h 29mUnited Airlines
Deal found 1/20$742
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/227:50 pmSEA - KEF
1 stop32h 05mAmerican Airlines
Sat 3/2911:50 amKEF - SEA
1 stop30h 40mAmerican Airlines
Deal found 1/20$772
This Austrian Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/278:10 amSEA - KEF
2 stops32h 15mAustrian Airlines
Fri 3/71:15 amKEF - SEA
2 stops25h 30mAustrian Airlines
Deal found 1/20$773

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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 3/3

6:50 pm-9:15 am

2 stops30h 25m

Reykjavik Keflavik Intl

Tue 3/11

10:00 am-5:55 pm

2 stops38h 55m

$652

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 2/23

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Mon 3/10

5:05 pm-6:00 pm

Nonstop7h 55m

$653

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 3/10

3:00 pm-1:20 pm

2 stops39h 20m

Reykjavik Keflavik Intl

Sat 3/15

2:20 pm-1:10 pm

2 stops53h 50m

$659

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 5/1

11:15 am-9:30 am

1 stop15h 15m

Reykjavik Keflavik Intl

Thu 5/8

11:25 am-10:25 pm

1 stop18h 00m

$660

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 3/29

8:20 pm-9:45 am

1 stop30h 25m

Reykjavik Keflavik Intl

Mon 4/7

8:45 am-11:10 am

2 stops33h 25m

$663

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 2/2

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Tue 2/11

4:45 pm-10:36 am

1 stop25h 51m

$664

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 5/28

10:00 am-7:00 am

2 stops14h 00m

Reykjavik Keflavik Intl

Wed 6/4

11:25 am-10:25 pm

1 stop18h 00m

$665

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 6/18

2:55 pm-8:35 am

2 stops34h 40m

Reykjavik Keflavik Intl

Mon 6/23

10:00 am-7:41 pm

2 stops40h 41m

$718

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 6/10

1:45 pm-8:20 am

2 stops35h 35m

Reykjavik Keflavik Intl

Tue 6/17

9:25 am-6:36 pm

2 stops40h 11m

$747

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 3/22

7:50 pm-10:55 am

1 stop32h 05m

Reykjavik Keflavik Intl

Sat 3/29

11:50 am-11:30 am

1 stop30h 40m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 24 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, November is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of $328). Flying from Seattle to Reykjavik in June is currently the most expensive (average of $662). 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 January 21, 2025.

One of the essential ways to save on airfare from Seattle to Reykjavik is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 4% on airfare.

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 January 21, 2025.

The most flights from SEA to IS1 are scheduled on a Saturday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik when rainfall is around 1.6 in.

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 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 January 21, 2025.
Get a feel of what it's like to fly with Lufthansa, Finnair and British Airways from Seattle to Reykjavik by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    For a flight from Seattle to Reykjavik, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to Reykjavik per day. 4 airlines have flights to Reykjavik from Seattle/Tacoma Intl on a regular basis.

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

    According to our current data, Finnair ($652), Icelandair ($653), and Lufthansa ($659) offers the cheapest pricing from Seattle to Reykjavik. Finnair is priced at 15% lower than the current average price of a flight leaving 3 months from now.

  • 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 $343. However, be on the lookout for offers from Lufthansa and Icelandair, 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?

    Consider Alaska Airlines (94%), Icelandair (94%) or airBaltic (87%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Reykjavik.

  • What are the cheapest flights from Seattle to Reykjavik?

    The cheapest flight price from Seattle to Reykjavik is $305. On average you can expect to pay $1,600. The most popular route, (Seattle/Tacoma Intl - Reykjavik Keflavik Intl), can usually be booked for $484.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of $328). Flying from Seattle to Reykjavik in June is currently the most expensive (average of $662). 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.

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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
Portland to Keflavik Intl flights
Spokane to Keflavik Intl flights

Top 4 airlines flying from Seattle to Reykjavik

Discover the top 4 airlines that operate flights from Seattle to Reykjavik. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$454Average$508FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$485Average$552FlexibilityNo cancel feeOn-time69%
DeltaCheapest$520Average$541FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$636Average$764FlexibilityNo cancel feeOn-time76%
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