$490+ Cheap flights from Iceland to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SEA
Nov 25 — Dec 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Iceland to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Iceland to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Iceland to SeattleExplore 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 October 26, 2026.
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 October 26, 2026.
This Ticket deal was found by Cheapflights users on 10/22. 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.
Thu 11/265:00 pm -
Nonstop8h 00m
Thu 12/32:35 pm -
Nonstop7h 40m
Deal found 10/22![Icelandair logo]()
$644
This Gotogate deal was found by Cheapflights users on 10/25. 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.
Thu 11/195:00 pm -
Nonstop8h 00m
Thu 11/262:35 pm -
Nonstop7h 40m
Deal found 10/25![Icelandair logo]()
$679
This Gotogate deal was found by Cheapflights users on 10/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:00 pm -
Nonstop8h 00m
Thu 12/102:35 pm -
Nonstop7h 40m
Deal found 10/21![Icelandair logo]()
$680
This SmartFares deal was found by Cheapflights users on 10/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:00 pm -
Nonstop8h 00m
Sat 11/282:35 pm -
Nonstop7h 40m
Deal found 10/24![Icelandair logo]()
$698
This Gotogate deal was found by Cheapflights users on 10/23. 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.
Fri 11/205:00 pm -
Nonstop8h 00m
Fri 11/272:35 pm -
Nonstop7h 40m
Deal found 10/23![Icelandair logo]()
$748
Best flights from Iceland to SeattleDiscover carefully curated flight deals from Iceland to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Iceland to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This Ticket deal was found by Cheapflights users on 10/22. 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.
Thu 11/265:00 pm -
Nonstop8h 00m
Thu 12/32:35 pm -
Nonstop7h 40m
Deal found 10/22![Icelandair logo]()
$644
This Ovago deal was found by Cheapflights users on 10/23. 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.
Thu 11/195:00 pm -
Nonstop8h 00m
Thu 11/268:40 am -
1 stop13h 25m
Deal found 10/23![Multiple Airlines logo]()
$843
This Justfly.com deal was found by Cheapflights users on 10/20. 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 12/411:35 am -
2 stops43h 34m
Thu 12/107:15 am -
2 stops43h 35m
Deal found 10/20![Scandinavian Airlines logo]()
$853
This Gotogate deal was found by Cheapflights users on 10/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:00 pm -
Nonstop8h 00m
Thu 12/102:35 pm -
Nonstop7h 40m
Deal found 10/21![Icelandair logo]()
$680
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/185:00 pm -
Nonstop8h 00m
Sun 1/2410:12 am -
1 stop11h 53m
Deal found 10/20![Icelandair logo]()
$783
This Scandinavian Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 1/186:05 pm -
2 stops38h 04m
Sun 1/247:15 am -
2 stops19h 35m
Deal found 10/20![Scandinavian Airlines logo]()
$867
This Trip.com deal was found by Cheapflights users on 10/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:55 pm -
1 stop24h 18m
Thu 12/103:40 pm -
1 stop30h 25m
Deal found 10/24![Multiple Airlines logo]()
$870
This Booking.com deal was found by Cheapflights users on 10/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/184:30 pm -
1 stop26h 17m
Sun 1/247:37 pm -
1 stop26h 28m
Deal found 10/20![Multiple Airlines logo]()
$877
This Ovago deal was found by Cheapflights users on 10/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:00 pm -
Nonstop8h 00m
Sat 12/129:34 pm -
1 stop24h 31m
Deal found 10/21![Icelandair logo]()
$807
This Gotogate deal was found by Cheapflights users on 10/23. 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 12/75:00 pm -
Nonstop8h 00m
Mon 12/142:35 pm -
Nonstop7h 40m
Deal found 10/23![Icelandair logo]()
$942
Last-minute flights from Iceland to SeattleDiscover last-minute flight deals from Iceland to Seattle. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Iceland to Seattle. Data last updated October 26, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 10/25. 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.
Thu 11/195:00 pm -
Nonstop8h 00m
Thu 11/262:35 pm -
Nonstop7h 40m
Deal found 10/25![Icelandair logo]()
$679
This Gotogate deal was found by Cheapflights users on 10/23. 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.
Fri 11/205:00 pm -
Nonstop8h 00m
Fri 11/272:35 pm -
Nonstop7h 40m
Deal found 10/23![Icelandair logo]()
$748
This Trip.com deal was found by Cheapflights users on 10/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:15 pm -
1 stop21h 52m
Fri 11/272:35 pm -
Nonstop7h 40m
Deal found 10/23![Multiple Airlines logo]()
$817
This SmartFares deal was found by Cheapflights users on 10/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:00 pm -
Nonstop8h 00m
Sat 11/282:35 pm -
Nonstop7h 40m
Deal found 10/24![Icelandair logo]()
$698
This Ticket deal was found by Cheapflights users on 10/22. 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.
Thu 11/265:00 pm -
Nonstop8h 00m
Thu 12/32:35 pm -
Nonstop7h 40m
Deal found 10/22![Icelandair logo]()
$644
One-way flights from Iceland to SeattleSearch for one-way flight options from Iceland to Seattle. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Iceland to Seattle. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Mytrip deal was found by Cheapflights users on 10/25. 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 12/235:00 pm -
Nonstop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Icelandair logo]()
$490
This Booking.com deal was found by Cheapflights users on 10/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:00 pm -
Nonstop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Icelandair logo]()
$495
This FlightHub deal was found by Cheapflights users on 10/25. 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 12/275:00 pm -
Nonstop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Icelandair logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:00 pm -
Nonstop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Icelandair logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:00 pm -
Nonstop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Icelandair logo]()
$517
This Mytrip deal was found by Cheapflights users on 10/25. 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.
Sat 11/75:00 pm -
Nonstop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Icelandair logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1811:50 pm -
3 stops48h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:05 pm -
3 stops53h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:10 pm -
3 stops57h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:00 am -
3 stops59h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$590
This Gotogate deal was found by Cheapflights users on 10/25. 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.
Tue 11/105:00 pm -
Nonstop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Icelandair logo]()
$605
Find flight deals from Iceland to Seattle
Keep the following information in mind while searching for Iceland to Seattle flight deals. Data was last updated October 26, 2026.
Most accurate provider | eDreams 2 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $644 (Ticket) |
One-way from | $490 (Mytrip) |
Good one-way deal | $575 or less |
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 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Iceland to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Mon 11/9
6:05 pm-3:12 pm
3 stops53h 07m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$566
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Mon 11/23
8:10 pm-10:00 pm
3 stops57h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$570
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Tue 1/5
8:25 pm-12:00 pm
3 stops47h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$612
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Sun 4/18
11:25 am-10:02 pm
1 stop17h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$614
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Thu 11/26
5:00 pm-5:00 pm
Nonstop8h 00m
Seattle/Tacoma Intl
Thu 12/3
2:35 pm-6:15 am
Nonstop7h 40m
$644
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Tue 11/24
8:25 pm-7:47 pm
3 stops31h 22m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$659
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Fri 12/4
5:00 pm-5:00 pm
Nonstop8h 00m
Seattle/Tacoma Intl
Thu 12/10
2:35 pm-6:15 am
Nonstop7h 40m
$680
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Mon 12/7
5:00 pm-1:40 pm
2 stops28h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$700
Quickest round-trip
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Tue 11/24
5:00 pm-5:00 pm
Nonstop8h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$754
ReykjavikSeattle
KEF Reykjavik Keflavik Intl - SEA Seattle/Tacoma Intl
KEFSEA
Reykjavik Keflavik Intl
Mon 1/18
5:00 pm-5:00 pm
Nonstop8h 00m
Seattle/Tacoma Intl
Sun 1/24
10:12 am-6:05 am
1 stop11h 53m
$783
Showing 1-10 of 19 resultsSorted by cheapest first
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.
KEF-SEA
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
IS0-SEA
KEF-SEA
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 October 26, 2026.
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.
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 October 26, 2026.
Get a feel of what it's like to fly with Icelandair from Iceland to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.1
Comfort
6.9
Boarding
7.2
Overall
7.0
Crew
8.0
Entertainment
6.9
Reviews
1 / 20
10.0
ExcellentVictoria,Sep 2026
KEF - EWR
Food
6.1
Comfort
6.9
Boarding
7.2
Overall
7.0
Crew
8.0
Entertainment
6.9
Reviews
1 / 20
10.0
ExcellentVictoria,Sep 2026
KEF - EWR
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seattle flight routes