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$320+ Cheap flights from Iceland to Seattle (SEA)

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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SEA
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Iceland to Seattle

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

$576
(Mytrip)

One-way from

$320
(Trip.com)

Good round-trip deal

$652 or less

Good one-way deal

$490 or less
From Iceland to Seattle/Tacoma Intl
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One-way flight from Iceland to Seattle/Tacoma Intl
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Price to beat on a round-trip flight from Iceland to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Iceland to Seattle/Tacoma Intl.
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Find flight deals from Iceland to Seattle

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

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/75:05 pmKEF - SEA
Nonstop7h 55mIcelandair
Thu 3/133:35 pmSEA - KEF
Nonstop7h 40mIcelandair
Deal found 1/20$576
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:10 pmKEF - SEA
1 stop27h 40mScandinavian Airlines
Wed 6/44:00 pmSEA - KEF
1 stop17h 20mScandinavian Airlines
Deal found 1/20$597
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/74:50 pmKEF - SEA
1 stop15h 09mMultiple Airlines
Thu 3/133:35 pmSEA - KEF
Nonstop7h 40mMultiple Airlines
Deal found 1/20$689
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.
Thu 9/1812:00 pmKEF - SEA
1 stop13h 59mUnited Airlines
Mon 9/2911:50 pmSEA - KEF
2 stops25h 45mUnited Airlines
Deal found 1/20$767
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/109:35 amKEF - SEA
2 stops33h 56mWestJet
Sun 7/137:35 pmSEA - KEF
1 stop29h 40mWestJet
Deal found 1/21$886
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 3/310:00 amKEF - SEA
2 stops33h 20mFinnair
Tue 3/117:50 pmSEA - KEF
2 stops30h 25mFinnair
Deal found 1/20$921
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:25 amKEF - SEA
1 stop18h 30mLufthansa
Mon 9/292:20 pmSEA - KEF
1 stop15h 45mLufthansa
Deal found 1/21$931
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.
Fri 3/76:45 pmKEF - SEA
1 stop24h 35mBritish Airways
Thu 3/131:25 pmSEA - KEF
2 stops21h 10mBritish Airways
Deal found 1/20$941
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/74:20 pmKEF - SEA
2 stops32h 45mTurkish Airlines
Thu 3/138:00 pmSEA - KEF
2 stops36h 20mTurkish Airlines
Deal found 1/20$956
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.
Wed 6/49:30 amKEF - SEA
1 stop17h 54mDelta
Thu 6/512:40 amSEA - KEF
1 stop23h 20mDelta
Deal found 1/19$1,854

Find flights from Iceland to Seattle within your budget

Customize your flight search to find flights from Iceland to Seattle 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.

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Fly to

Any airport

Route

Depart

Return

Price

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 3/7

5:05 pm-5:00 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Thu 3/13

3:35 pm-6:15 am

Nonstop7h 40m

$576

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 5/24

5:10 pm-1:50 pm

1 stop27h 40m

Seattle/Tacoma Intl

Wed 6/4

4:00 pm-4:20 pm

1 stop17h 20m

$597

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 3/7

4:50 pm-11:59 pm

1 stop15h 09m

Seattle/Tacoma Intl

Thu 3/13

3:35 pm-6:15 am

Nonstop7h 40m

$689

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 5/24

12:00 pm-9:58 pm

3 stops40h 58m

Seattle/Tacoma Intl

Wed 6/4

9:45 am-8:35 am

2 stops15h 50m

$853

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 7/10

9:35 am-12:31 pm

2 stops33h 56m

Seattle/Tacoma Intl

Sun 7/13

7:35 pm-8:15 am

1 stop29h 40m

$886

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 3/3

10:00 am-11:20 am

2 stops33h 20m

Seattle/Tacoma Intl

Tue 3/11

7:50 pm-9:15 am

2 stops30h 25m

$921

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 3/7

6:45 pm-11:20 am

1 stop24h 35m

Seattle/Tacoma Intl

Thu 3/13

1:25 pm-5:35 pm

2 stops21h 10m

$941

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 3/7

4:20 pm-5:05 pm

2 stops32h 45m

Seattle/Tacoma Intl

Thu 3/13

8:00 pm-3:20 pm

2 stops36h 20m

$956

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Wed 7/9

12:25 am-10:16 pm

2 stops28h 51m

Seattle/Tacoma Intl

Sun 7/13

7:00 am-8:30 am

1 stop18h 30m

$1,149

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Wed 6/4

9:30 am-8:24 pm

1 stop17h 54m

Seattle/Tacoma Intl

Thu 6/5

12:40 am-7:00 am

1 stop23h 20m

$1,854

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 20 results
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Best time to book a flight from Iceland to Seattle

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

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

What is the cheapest time of day to fly from IS to SEA?

Find hourly flight availability from Iceland to Seattle. 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.

When flying from Iceland to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Iceland to Seattle

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

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines
7.3
Good
3,931 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Iceland to Seattle. 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 into for flights to Seattle from Iceland?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Iceland to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

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

    The cheapest airlines for a one-way flight from Iceland to Seattle are Icelandair ($397), WestJet ($432), and Finnair ($613).

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

    Consider airBaltic (38%), Icelandair (28%) or Alaska Airlines (18%) when booking your flight. These represent the most reliable airlines when flying from Iceland to Seattle.

  • What are the cheapest flights from Iceland to Seattle?

    While on average a flight from Iceland to Seattle is generally $1,018, our data shows the cheapest flight currently is $428. When looking at the most popular route, (Reykjavik Keflavik Intl - Seattle/Tacoma Intl), you can expect to pay $569 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Iceland to Seattle (average of $238). Flying from Iceland to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Iceland?

Book flights to Iceland if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Federal Way
Ocean Shores
Leavenworth
Olympia
Marysville
Centralia
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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Alternative routes for Iceland to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Iceland to Seattle

Discover the top airline that operate flights from Iceland to Seattle. 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
IcelandairCheapest$591Average$669FlexibilityNo cancel feeOn-time76%
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