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$285+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SEA
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheap flight deals from Iceland to Seattle

Keep the following information in mind while searching for Iceland to Seattle flight deals. Data was last updated abril 29, 2025.

Round-trip from

$543
(Mytrip)

One-way from

$285
(Cheapflightsfares)

Good round-trip deal

$681 or less

Good one-way deal

$657 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 abril 29, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/279:35 amKEF - SEA
1 stop10h 23mMultiple Airlines
mar. 6/33:20 pmSEA - KEF
2 stops30h 30mMultiple Airlines
Deal found 4/29$543
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/109:35 amKEF - SEA
1 stop16h 03mWestJet
dom. 7/137:05 amSEA - KEF
1 stop18h 10mWestJet
Deal found 4/29$580
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/15:35 pmKEF - SEA
1 stop27h 15mScandinavian Airlines
vie. 6/134:00 pmSEA - KEF
1 stop17h 20mScandinavian Airlines
Deal found 4/27$598
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/134:50 pmKEF - SEA
Nonstop8h 00mIcelandair
dom. 6/2211:30 pmSEA - KEF
Nonstop7h 30mIcelandair
Deal found 4/28$621
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.
vie. 10/1011:25 amKEF - SEA
1 stop30h 31mDelta
vie. 10/1711:05 pmSEA - KEF
1 stop24h 15mDelta
Deal found 4/28$809
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/139:30 amKEF - SEA
2 stops14h 17mKLM
dom. 6/229:50 amSEA - KEF
1 stop13h 30mKLM
Deal found 4/28$820
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/19:30 amKEF - SEA
1 stop17h 07mUnited Airlines
vie. 6/137:59 pmSEA - KEF
2 stops29h 11mUnited Airlines
Deal found 4/27$837
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/2612:25 amKEF - SEA
1 stop19h 00mLufthansa
mar. 6/32:15 pmSEA - KEF
1 stop26h 20mLufthansa
Deal found 4/29$872
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/1110:00 amKEF - SEA
1 stop32h 30mBritish Airways
vie. 10/173:13 pmSEA - KEF
2 stops59h 32mBritish Airways
Deal found 4/28$1,002
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/128:45 amKEF - SEA
2 stops21h 24mFinnair
jue. 5/155:40 pmSEA - KEF
1 stop15h 50mFinnair
Deal found 4/28$1,154
This Austrian 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/1112:10 amKEF - SEA
2 stops27h 08mAustrian Airlines
jue. 5/158:10 amSEA - KEF
2 stops32h 10mAustrian Airlines
Deal found 4/28$1,202
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/912:25 amKEF - SEA
2 stops23h 50mTurkish Airlines
dom. 7/137:10 pmSEA - KEF
2 stops36h 40mTurkish Airlines
Deal found 4/28$1,332

Cheapflights Fare Finder

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 abril 29, 2025.
Use the filters below to find and compare flights from Iceland to Seattle that are best for you.

Fly from

Iceland

Fly to

Seattle

Route

Depart

Return

Price

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

mar. 5/27

9:35 am-12:58 pm

1 stop10h 23m

Seattle/Tacoma Intl

mar. 6/3

3:20 pm-4:50 am

2 stops30h 30m

$543

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

jue. 7/10

9:35 am-6:38 pm

1 stop16h 03m

Seattle/Tacoma Intl

dom. 7/13

7:05 am-8:15 am

1 stop18h 10m

$580

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

vie. 6/13

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

dom. 6/22

11:30 pm-2:00 pm

Nonstop7h 30m

$649

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

jue. 9/18

5:10 pm-2:00 pm

1 stop27h 50m

Seattle/Tacoma Intl

lun. 9/29

12:00 pm-11:50 pm

2 stops28h 50m

$674

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

vie. 6/13

8:50 am-8:48 pm

1 stop18h 58m

Seattle/Tacoma Intl

dom. 6/22

9:50 am-6:20 am

1 stop13h 30m

$829

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

mar. 5/27

12:00 pm-9:08 pm

2 stops16h 08m

Seattle/Tacoma Intl

mar. 6/3

7:20 am-8:30 am

3 stops18h 10m

$842

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

lun. 5/26

12:25 am-12:25 pm

1 stop19h 00m

Seattle/Tacoma Intl

mar. 6/3

2:15 pm-11:35 pm

1 stop26h 20m

$872

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

vie. 6/13

9:30 am-9:38 pm

2 stops19h 08m

Seattle/Tacoma Intl

dom. 6/22

9:33 am-6:20 am

2 stops13h 47m

$885

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

jue. 6/12

12:10 am-8:41 pm

2 stops27h 31m

Seattle/Tacoma Intl

vie. 6/20

8:00 am-11:20 pm

2 stops32h 20m

$1,262

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

mié. 7/9

12:25 am-5:15 pm

2 stops23h 50m

Seattle/Tacoma Intl

dom. 7/13

7:10 pm-5:20 pm

2 stops39h 10m

$1,417

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 21 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.

Cheapflights Insights

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

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 abril 29, 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 abril 29, 2025.

The most flights from IS0 to SEA are scheduled on a Tuesday (4 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 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 abril 29, 2025.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 WestJet ($285), Icelandair ($486), and British Airways ($697).

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

    Consider Alaska Airlines (95%), Icelandair (95%) or airBaltic (89%) 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 $1,016, our data shows the cheapest flight currently is $455. When looking at the most popular route, (Reykjavik Keflavik Intl - Seattle/Tacoma Intl), you can expect to pay $621 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 $405). 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
Tacoma
Lakewood
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Lynnwood
Aberdeen
Shelton
Silverdale
Redmond
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$592Average$759FlexibilityNo cancel feeOn-time76%

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