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$350+ Cheap flights from Seattle (SEA) to Iceland

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KEF
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Seattle to Iceland

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Iceland (IS0). 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

$350
(Kiwi.com)

Good round-trip deal

$587 or less

Good one-way deal

$391 or less
From Seattle/Tacoma Intl to Iceland
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One-way flight from Seattle/Tacoma Intl to Iceland
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Iceland.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Iceland.
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Find flight deals from Seattle to Iceland

Cheapest flights from Seattle to Iceland
Explore the most affordable flight options available from Seattle to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Air Canada deal was found by Cheapflights users on 1/21. 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.
Sun 8/1712:20 pmSEA - KEF
1 stop13h 15mAir Canada
Wed 9/310:00 amKEF - SEA
1 stop16h 31mAir Canada
Deal found 1/21$639
This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/11:33 pmSEA - KEF
2 stops19h 37mBritish Airways
Fri 3/76:45 pmKEF - SEA
1 stop24h 35mBritish Airways
Deal found 1/21$649
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 FlightHub deal was found by Cheapflights users on 1/21. 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.
Wed 9/1712:20 pmSEA - KEF
1 stop13h 15mMultiple Airlines
Mon 9/2212:25 amKEF - SEA
1 stop18h 30mMultiple Airlines
Deal found 1/21$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 Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2810:00 amSEA - KEF
2 stops14h 00mAir France
Wed 6/411:25 amKEF - SEA
1 stop18h 00mAir France
Deal found 1/19$665
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 American Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 3/76:50 pmSEA - KEF
1 stop31h 50mAmerican Airlines
Fri 3/1411:45 amKEF - SEA
1 stop37h 10mAmerican Airlines
Deal found 1/21$676
This United deal was found by Cheapflights users on 1/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:20 pmSEA - KEF
1 stop13h 15mUnited Airlines
Fri 9/1212:00 pmKEF - SEA
1 stop13h 59mUnited Airlines
Deal found 1/21$682
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 Iceland within your budget

Customize your flight search to find flights from Seattle to Iceland 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

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Fly to

Any airport

Route

Depart

Return

Price

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 3/1

1:33 pm-5:10 pm

2 stops19h 37m

Reykjavik Keflavik Intl

Fri 3/7

6:45 pm-11:20 am

1 stop24h 35m

$649

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

Wed 2/19

8:30 am-4:45 am

3 stops36h 15m

Reykjavik Keflavik Intl

Wed 2/26

3:50 pm-2:21 pm

2 stops30h 31m

$658

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

Mon 4/7

1:50 pm-9:30 am

1 stop12h 40m

Reykjavik Keflavik Intl

Tue 4/15

11:25 am-10:25 pm

1 stop18h 00m

$668

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 4/6

10:30 pm-9:30 am

2 stops28h 00m

Reykjavik Keflavik Intl

Wed 4/16

11:25 am-11:59 pm

2 stops19h 34m

$672

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 3/7

6:50 pm-10:40 am

1 stop31h 50m

Reykjavik Keflavik Intl

Fri 3/14

11:45 am-5:55 pm

1 stop37h 10m

$676

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 2/27

8:10 am-12:25 am

2 stops32h 15m

Reykjavik Keflavik Intl

Fri 3/7

1:15 am-6:45 pm

2 stops25h 30m

$773

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 3/6

3:15 pm-11:55 pm

2 stops24h 40m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 16 results
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Best time to book a flight from Seattle to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland 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 Iceland

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

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Iceland (average of $328). Flying from Seattle to Iceland 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 IS?

Find hourly flight availability from Seattle to Iceland. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Iceland as you normally would.

Weekly flight availability from Seattle to Iceland

Explore weekly flight availability from Seattle to Iceland. 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 IS0 are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Iceland by month

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

In terms of precipitation, rainfall in Iceland 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 Iceland when rainfall is around 1.6 in.

Temperature in Iceland by month

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

If weather is an important factor for your trip to Iceland, 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 Iceland

Get insights into the airlines that provide service to Iceland. 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 Iceland. Reviews last updated January 21, 2025.
To help decide which airline to fly from Seattle to Iceland, see what other customers have to say about Lufthansa, Finnair and British Airways. 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.
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

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

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

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

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

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

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

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 Iceland. 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 Iceland?

    If you book a flight to Iceland from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $452. Users have also found prices from $453 and $458 on British Airways and SWISS, respectively.

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

    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 Iceland on time: Alaska Airlines (94%), Icelandair (94%), airBaltic (87%).

  • What are the cheapest flights from Seattle to Iceland?

    While on average a flight from Seattle to Iceland is generally $1,600, our data shows the cheapest flight currently is $305. When looking at the most popular route, (Seattle/Tacoma Intl - Reykjavik Keflavik Intl), you can expect to pay $484 for that flight.

  • Can I find deals for flights from Seattle to Iceland that include hotel bookings?

    Yes. In addition to deals on Seattle to Iceland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Iceland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Iceland.

  • Can I find deals for business class flights from Seattle to Iceland?

    Yes. Cheapflights offers flight deals from Seattle to Iceland 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 Iceland?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Iceland (average of $328). Flying from Seattle to Iceland 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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Top 4 airlines flying from Seattle to Iceland

Discover the top 4 airlines that operate flights from Seattle to Iceland. 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$542FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$631Average$774FlexibilityNo cancel feeOn-time76%
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