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$338+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KEF
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from Seattle to Iceland

Keep the following information in mind while searching for Seattle to Iceland flight deals. Data was last updated October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$412
(CrystalTravel)

One-way from

$360
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$573

Good round-trip deal

$439 or less

Good one-way deal

$407 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Reykjavik (REK) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Reykjavik (REK) flights.
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From Seattle/Tacoma Intl to Iceland
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One-way flight from Seattle/Tacoma Intl to Iceland
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Highest demand for flights based on searches. 8% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 2, 2025.

This CrystalTravel deal was found by Cheapflights users on 10/1. 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.
Sun 10/127:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Fri 10/247:45 pmKEF - SEA
Nonstop7h 55mIcelandair
Deal found 10/1$412
This CrystalTravel deal was found by Cheapflights users on 10/1. 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.
Sun 10/127:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Wed 10/227:45 pmKEF - SEA
Nonstop7h 55mIcelandair
Deal found 10/1$413
This Mytrip deal was found by Cheapflights users on 9/30. 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.
Wed 10/293:35 pmSEA - KEF
Nonstop7h 40mIcelandair
Wed 11/55:00 pmKEF - SEA
Nonstop8h 00mIcelandair
Deal found 9/30$434
This Mytrip deal was found by Cheapflights users on 10/2. 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.
Tue 11/112:35 pmSEA - KEF
Nonstop7h 40mIcelandair
Tue 11/185:00 pmKEF - SEA
Nonstop8h 00mIcelandair
Deal found 10/2$435
This Mytrip deal was found by Cheapflights users on 10/2. 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 10/137:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Wed 10/227:45 pmKEF - SEA
Nonstop7h 55mIcelandair
Deal found 10/2$436
This FlightHub deal was found by Cheapflights users on 9/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:35 pmSEA - KEF
Nonstop7h 40mIcelandair
Thu 12/45:00 pmKEF - SEA
Nonstop8h 00mIcelandair
Deal found 9/29$437
This FlightHub deal was found by Cheapflights users on 10/1. 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 10/127:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Thu 10/234:50 pmKEF - SEA
Nonstop8h 00mIcelandair
Deal found 10/1$438
This Icelandair deal was found by Cheapflights users on 10/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:35 pmSEA - KEF
Nonstop7h 40mIcelandair
Wed 12/105:00 pmKEF - SEA
Nonstop8h 00mIcelandair
Deal found 10/1$449
This Delta deal was found by Cheapflights users on 10/1. 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 10/127:19 amSEA - KEF
1 stop19h 11mDelta
Tue 10/218:45 amKEF - SEA
1 stop16h 38mDelta
Deal found 10/1$474
This Delta deal was found by Cheapflights users on 10/1. 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.
Sat 10/119:59 pmSEA - KEF
1 stop28h 31mDelta
Tue 10/218:45 amKEF - SEA
1 stop16h 38mDelta
Deal found 10/1$482

Cheapflights Fare Finder

 
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 October 2, 2025.
Use the filters below to find and compare flights from Seattle to Iceland that are best for you.

Fly from

Seattle

Fly to

Iceland

Route

Depart

Return

Price

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 10/13

7:00 pm-9:25 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Fri 10/24

7:45 pm-8:40 pm

Nonstop7h 55m

$449

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 10/12

7:19 am-9:30 am

1 stop19h 11m

Reykjavik Keflavik Intl

Tue 10/21

8:45 am-6:23 pm

1 stop16h 38m

$474

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 1/4

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Mon 1/12

5:00 pm-5:00 pm

Nonstop8h 00m

$519

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 12/2

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Tue 12/9

5:00 pm-5:00 pm

Nonstop8h 00m

$599

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 11/16

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Wed 12/3

5:00 pm-5:00 pm

Nonstop8h 00m

$599

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 12/2

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Wed 12/10

5:00 pm-5:00 pm

Nonstop8h 00m

$599

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 11/19

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Fri 12/5

5:00 pm-5:00 pm

Nonstop8h 00m

$609

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 2/7

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Fri 2/13

5:00 pm-5:00 pm

Nonstop8h 00m

$609

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 2/2

2:35 pm-6:15 am

Nonstop7h 40m

Reykjavik Keflavik Intl

Sun 2/8

5:00 pm-5:00 pm

Nonstop8h 00m

$609

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 11/14

5:05 am-2:15 pm

3 stops25h 10m

Reykjavik Keflavik Intl

Sun 11/23

3:20 pm-12:59 am

2 stops41h 39m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 20 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Iceland

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 $656). 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 October 2, 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 October 2, 2025.

The most flights from SEA to IS0 are scheduled on a Thursday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 October 2, 2025.
Read through reviews of airlines operating flights from Seattle to Iceland, such as Delta, Air Canada, and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,224 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Icelandair
7.0
Good
546 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,416 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • How long is the flight from Seattle to Iceland?

    Departing from Seattle to Iceland will take you 7h 25m. Airlines will cover a distance of 3608 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest flights from Seattle to Iceland?

    While on average a flight from Seattle to Iceland is generally $1,265, our data shows the cheapest flight currently is $349. When looking at the most popular route, (Seattle/Tacoma Intl - Reykjavik Keflavik Intl), you can expect to pay $412 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 $656). 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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Top 2 airlines flying from Seattle to Iceland

Discover the top 2 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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$323Average$573FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$374Average$647FlexibilityNo cancel feeOn-time76%

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