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Reykjavik

$243+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — REK
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Round-trip from

$516
(Flightnetwork)

One-way from

$247
(WestJet)
From Seattle/Tacoma Intl to Reykjavik
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One-way flight from Seattle/Tacoma Intl to Reykjavik
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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 April 30, 2025.

This CrystalTravel deal was found by Cheapflights users on 4/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1611:30 pmSEA - KEF
Nonstop7h 30mIcelandair
Thu 9/47:45 pmKEF - SEA
Nonstop7h 55mIcelandair
Deal found 4/29$514
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:35 pmSEA - KEF
1 stop29h 40mWestJet
Wed 7/169:35 amKEF - SEA
1 stop17h 53mWestJet
Deal found 4/28$526
This Yatra.com deal was found by Cheapflights users on 4/28. 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 Yatra.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/310:58 pmSEA - KEF
1 stop27h 32mVirgin Atlantic
Mon 7/79:30 amKEF - SEA
1 stop34h 27mVirgin Atlantic
Deal found 4/28$554
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:05 amSEA - KEF
1 stop18h 10mMultiple Airlines
Mon 6/99:35 amKEF - SEA
2 stops30h 43mMultiple Airlines
Deal found 4/28$559
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 9/146:00 amSEA - KEF
1 stop17h 20mDelta
Wed 10/18:45 amKEF - SEA
1 stop18h 45mDelta
Deal found 4/28$560
This KLM deal was found by Cheapflights users on 4/29. 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.
Tue 6/311:55 amSEA - KEF
1 stop12h 05mKLM
Tue 6/109:30 amKEF - SEA
2 stops21h 34mKLM
Deal found 4/29$566
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 8/1611:20 pmSEA - KEF
2 stops24h 40mUnited Airlines
Sun 8/249:30 amKEF - SEA
2 stops39h 27mUnited Airlines
Deal found 4/28$602
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Thu 8/1410:00 amSEA - KEF
2 stops15h 10mAir Canada
Tue 8/269:50 amKEF - SEA
2 stops19h 26mAir Canada
Deal found 4/29$612
This British Airways deal was found by Cheapflights users on 4/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:50 pmSEA - KEF
1 stop32h 05mBritish Airways
Mon 11/311:45 amKEF - SEA
1 stop37h 10mBritish Airways
Deal found 4/27$672

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 2,558,603 searches. Data last updated April 30, 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

Sat 8/16

11:30 pm-2:00 pm

Nonstop7h 30m

Reykjavik Keflavik Intl

Thu 9/4

7:45 pm-8:40 pm

Nonstop7h 55m

$514

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 7/9

7:35 pm-8:15 am

1 stop29h 40m

Reykjavik Keflavik Intl

Wed 7/16

9:35 am-8:28 pm

1 stop17h 53m

$526

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 7/3

10:58 pm-9:30 am

1 stop27h 32m

Reykjavik Keflavik Intl

Mon 7/7

9:30 am-12:57 pm

1 stop34h 27m

$554

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 6/2

7:05 am-8:15 am

1 stop18h 10m

Reykjavik Keflavik Intl

Mon 6/9

9:35 am-9:18 am

2 stops30h 43m

$559

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 9/14

6:00 am-6:20 am

1 stop17h 20m

Reykjavik Keflavik Intl

Wed 10/1

8:45 am-8:30 pm

1 stop18h 45m

$560

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 6/3

9:50 am-6:20 am

1 stop13h 30m

Reykjavik Keflavik Intl

Tue 6/10

9:30 am-12:04 am

2 stops21h 34m

$568

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 8/16

11:20 pm-7:00 am

2 stops24h 40m

Reykjavik Keflavik Intl

Sun 8/24

9:30 am-5:57 pm

2 stops39h 27m

$602

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 8/14

10:00 am-8:10 am

2 stops15h 10m

Reykjavik Keflavik Intl

Tue 8/26

9:50 am-10:16 pm

2 stops19h 26m

$612

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 7/8

7:35 pm-8:15 am

1 stop29h 40m

$243

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 7/9

4:58 pm-4:55 am

2 stops28h 57m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 16 results
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, 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 July is currently the most expensive (average of $651). 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 April 30, 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 April 30, 2025.

The most flights from SEA to IS1 are scheduled on a Monday (4 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 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 April 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and KLM 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.
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
KLM
7.8
Good
1,334 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Air France
7.4
Good
1,446 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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?

    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. 3 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, Icelandair ($516), WestJet ($526), and Delta ($572) offers the cheapest pricing from Seattle to Reykjavik.

  • 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 $247. However, be on the lookout for offers from Delta and United Airlines, 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 airBaltic (100%), Alaska Airlines (85%) or Icelandair (85%) 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 $192. On average you can expect to pay $1,557. The most popular route, (Seattle/Tacoma Intl - Reykjavik Keflavik Intl), can usually be booked for $503.

  • 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 July is currently the most expensive (average of $651). 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 3 airlines flying from Seattle to Reykjavik

Discover the top 3 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$417Average$612FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$454Average$497FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$528Average$747FlexibilityNo cancel feeOn-time76%

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