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$285+ Cheap flights from Reykjavik 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.
REK — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Reykjavik to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Reykjavik (IS1) 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 April 29, 2025.

Round-trip from

$543
(Mytrip)

One-way from

$285
(Cheapflightsfares)
From Reykjavik to Seattle/Tacoma Intl
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One-way flight from Reykjavik to Seattle/Tacoma Intl
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Find flight deals from Reykjavik to Seattle

Cheapest flights from Reykjavik to Seattle
Explore the most affordable flight options available from Reykjavik to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 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.
Tue 5/279:35 amKEF - SEA
1 stop10h 23mMultiple Airlines
Tue 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.
Thu 7/109:35 amKEF - SEA
1 stop16h 03mWestJet
Sun 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.
Sun 6/15:35 pmKEF - SEA
1 stop27h 15mScandinavian Airlines
Fri 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.
Fri 6/134:50 pmKEF - SEA
Nonstop8h 00mIcelandair
Sun 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.
Fri 10/1011:25 amKEF - SEA
1 stop30h 31mDelta
Fri 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.
Fri 6/139:30 amKEF - SEA
2 stops14h 17mKLM
Sun 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.
Sun 6/19:30 amKEF - SEA
1 stop17h 07mUnited Airlines
Fri 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.
Mon 5/2612:25 amKEF - SEA
1 stop19h 00mLufthansa
Tue 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.
Sat 10/1110:00 amKEF - SEA
1 stop32h 30mBritish Airways
Fri 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.
Mon 5/128:45 amKEF - SEA
2 stops21h 24mFinnair
Thu 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.
Sun 5/1112:10 amKEF - SEA
2 stops27h 08mAustrian Airlines
Thu 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.
Wed 7/912:25 amKEF - SEA
2 stops23h 50mTurkish Airlines
Sun 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 Reykjavik 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 April 29, 2025.
Use the filters below to find and compare flights from Reykjavik to Seattle that are best for you.

Fly from

Reykjavik

Fly to

Seattle

Route

Depart

Return

Price

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 5/27

9:35 am-12:58 pm

1 stop10h 23m

Seattle/Tacoma Intl

Tue 6/3

3:20 pm-4:50 am

2 stops30h 30m

$543

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 7/10

9:35 am-6:38 pm

1 stop16h 03m

Seattle/Tacoma Intl

Sun 7/13

7:05 am-8:15 am

1 stop18h 10m

$580

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 6/13

7:45 pm-8:40 pm

Nonstop7h 55m

Seattle/Tacoma Intl

Sun 6/22

11:30 pm-2:00 pm

Nonstop7h 30m

$649

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 9/18

5:10 pm-2:00 pm

1 stop27h 50m

Seattle/Tacoma Intl

Mon 9/29

12:00 pm-11:50 pm

2 stops28h 50m

$674

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 6/13

8:50 am-8:48 pm

1 stop18h 58m

Seattle/Tacoma Intl

Sun 6/22

9:50 am-6:20 am

1 stop13h 30m

$829

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Tue 5/27

12:00 pm-9:08 pm

2 stops16h 08m

Seattle/Tacoma Intl

Tue 6/3

7:20 am-8:30 am

3 stops18h 10m

$842

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 5/26

12:25 am-12:25 pm

1 stop19h 00m

Seattle/Tacoma Intl

Tue 6/3

2:15 pm-11:35 pm

1 stop26h 20m

$872

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 6/13

9:30 am-9:38 pm

2 stops19h 08m

Seattle/Tacoma Intl

Sun 6/22

9:33 am-6:20 am

2 stops13h 47m

$885

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 6/12

12:10 am-8:41 pm

2 stops27h 31m

Seattle/Tacoma Intl

Fri 6/20

8:00 am-11:20 pm

2 stops32h 20m

$1,262

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Wed 7/9

12:25 am-5:15 pm

2 stops23h 50m

Seattle/Tacoma Intl

Sun 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 Reykjavik to Seattle

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

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

Find hourly flight availability from Reykjavik 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 April 29, 2025.

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

Weekly flight availability from Reykjavik to Seattle

Explore weekly flight availability from Reykjavik 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 April 29, 2025.

The most flights from IS1 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 April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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 Reykjavik 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 Reykjavik?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Reykjavik to Seattle. 1 airline have flights to Seattle/Tacoma Intl from Reykjavik on a regular basis. Booking flights from Reykjavik to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from Reykjavik per day.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $285. However, be on the lookout for offers from Icelandair and British Airways, as they are both options that can get you from Reykjavik to Seattle for a low price.

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

    Consider Alaska Airlines (95%), Icelandair (95%) or airBaltic (89%) when booking your flight. These represent the most reliable airlines when flying from Reykjavik to Seattle.

  • What are the cheapest flights from Reykjavik to Seattle?

    While on average a flight from Reykjavik 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 Reykjavik to Seattle that include hotel bookings?

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Reykjavik to Seattle (average of $238). Flying from Reykjavik 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 Reykjavik?

Book flights to Reykjavik 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 Reykjavik to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Keflavik Intl to Seattle flights
Keflavik Intl to Portland flights

Top airline flying from Reykjavik to Seattle

Discover the top airline that operate flights from Reykjavik 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$592Average$759FlexibilityNo cancel feeOn-time76%

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