Iceland

$279+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KEF
Jul 12 — Jul 191
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Cheap 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 June 12, 2026.

This Mytrip deal was found by Cheapflights users on 6/8. 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.
Thu 6/118:00 am
SEA
-
KEF
2 stops16h 55m
Air Canada
Wed 6/179:15 am
KEF
-
SEA
2 stops18h 53m
Air Canada
Deal found 6/8$486
This FlightHub deal was found by Cheapflights users on 6/8. 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.
Mon 6/811:25 pm
SEA
-
KEF
Nonstop7h 35m
Icelandair
Sun 6/1410:40 am
KEF
-
SEA
Nonstop8h 05m
Icelandair
Deal found 6/8$487
This Flighttix deal was found by Cheapflights users on 6/8. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:52 am
SEA
-
KEF
1 stop14h 58m
Multiple Airlines
Wed 6/179:15 am
KEF
-
SEA
2 stops36h 07m
Multiple Airlines
Deal found 6/8$488
This Flightnetwork deal was found by Cheapflights users on 6/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:45 am
SEA
-
KEF
2 stops44h 00m
Air Canada
Fri 6/199:15 am
KEF
-
SEA
2 stops31h 52m
Air Canada
Deal found 6/11$491
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:35 pm
SEA
-
KEF
Nonstop7h 25m
Alaska Airlines
Fri 6/1912:45 pm
KEF
-
SEA
Nonstop7h 55m
Alaska Airlines
Deal found 6/11$494
This United deal was found by Cheapflights users on 6/8. 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.
Thu 7/211:20 pm
SEA
-
KEF
1 stop26h 10m
Multiple Airlines
Tue 7/79:15 am
KEF
-
SEA
2 stops31h 52m
Multiple Airlines
Deal found 6/8$501
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 6/198:00 am
SEA
-
KEF
1 stop17h 30m
United Airlines
Mon 6/2210:00 am
KEF
-
SEA
2 stops37h 09m
United Airlines
Deal found 6/9$503
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/111:00 pm
SEA
-
KEF
1 stop12h 30m
United Airlines
Thu 6/189:50 am
KEF
-
SEA
2 stops39h 09m
United Airlines
Deal found 6/11$504
This United deal was found by Cheapflights users on 6/8. 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.
Fri 6/1211:20 pm
SEA
-
KEF
1 stop26h 10m
Multiple Airlines
Thu 6/189:50 am
KEF
-
SEA
2 stops31h 17m
Multiple Airlines
Deal found 6/8$506
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Mon 6/87:05 am
SEA
-
KEF
2 stops18h 45m
United Airlines
Sun 6/1412:00 pm
KEF
-
SEA
1 stop17h 56m
United Airlines
Deal found 6/7$507
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Fri 6/1210:52 am
SEA
-
KEF
2 stops14h 38m
United Airlines
Mon 6/1510:00 am
KEF
-
SEA
2 stops40h 18m
United Airlines
Deal found 6/8$508

Find flight deals from Seattle to Iceland

Keep the following information in mind while searching for Seattle to Iceland flight deals. Data was last updated June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$494
(Alaska Airlines)

One-way from

$279
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$623

Good round-trip deal

$615 or less

Good one-way deal

$318 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Reykjavik (REK) flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Reykjavik (REK) flights.
From Seattle/Tacoma Intl to Iceland
One-way flight from Seattle/Tacoma Intl to Iceland
Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Iceland.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Iceland.

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 June 12, 2026.
Use the filters below to find and compare flights from Seattle to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 6/24

11:20 pm-8:30 am

1 stop26h 10m

Reykjavik Keflavik Intl

Wed 7/1

12:00 pm-7:06 pm

1 stop14h 06m

$509

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 7/6

7:00 am-8:50 am

1 stop18h 50m

Reykjavik Keflavik Intl

Mon 7/13

10:00 am-9:07 pm

1 stop18h 07m

$517

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 7/19

5:30 am-7:40 am

1 stop19h 10m

Reykjavik Keflavik Intl

Sat 7/25

9:30 am-5:00 pm

1 stop14h 30m

$519

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 7/23

9:05 am-7:00 am

1 stop14h 55m

Reykjavik Keflavik Intl

Fri 7/31

9:30 am-5:00 pm

1 stop14h 30m

$519

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 7/23

9:05 am-7:00 am

1 stop14h 55m

Reykjavik Keflavik Intl

Fri 7/31

9:30 am-11:58 pm

1 stop21h 28m

$519

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 7/19

8:00 am-8:45 am

1 stop17h 45m

Reykjavik Keflavik Intl

Sat 7/25

10:00 am-9:07 pm

1 stop18h 07m

$520

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 7/15

5:30 am-7:40 am

1 stop19h 10m

Reykjavik Keflavik Intl

Fri 8/28

9:30 am-8:50 pm

1 stop18h 20m

$580
Quickest round-trip

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 7/28

12:05 pm-7:00 am

1 stop11h 55m

Reykjavik Keflavik Intl

Sat 8/8

9:30 am-4:46 pm

1 stop14h 16m

$580

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 9/28

11:59 am-7:00 am

1 stop12h 01m

Reykjavik Keflavik Intl

Sun 10/4

9:30 am-8:16 pm

1 stop17h 46m

$626

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 9/25

11:59 am-7:00 am

1 stop12h 01m

Reykjavik Keflavik Intl

Fri 10/2

11:25 am-8:11 pm

1 stop15h 46m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 22 resultsSorted by cheapest first
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3

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, October is the cheapest month in which you can book a flight from Seattle to Iceland (average of $361). Flying from Seattle to Iceland in June is currently the most expensive (average of $414). 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 June 12, 2026.

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 June 12, 2026.

The most flights from SEA to IS0 are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

How far ahead should I book a flight from Seattle to Iceland?

The best time to book flights from Seattle to Iceland is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 June 12, 2026.
Read through reviews of airlines operating flights from Seattle to Iceland, such as Alaska Airlines,United Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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 14h 55m. 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 airlines to fly from Seattle to Iceland one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $255. Users have also found prices from $419 and $428 on Alaska Airlines and Icelandair, respectively.

  • What are the cheapest flights from Seattle to Iceland?

    While on average a flight from Seattle to Iceland is generally $1,392, our data shows the cheapest flight currently is $234. When looking at the most popular route, (Seattle/Tacoma Intl - Reykjavik Keflavik Intl), you can expect to pay $504 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, October is the cheapest month in which you can book a flight from Seattle to Iceland (average of $361). Flying from Seattle to Iceland in June is currently the most expensive (average of $414). 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

Browse thousands of different options on Cheapflights for your next trip

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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 June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$374Average$583FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$547Average$810FlexibilityNo cancel feeOn-time75%

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