$305+ Cheap flights from Seattle (SEA) to Iceland
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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KEF
Oct 17 — Oct 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Iceland 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 Seattle to Iceland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to IcelandExplore 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 September 17, 2026.
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 September 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Wed 10/217:00 pm -
Nonstop7h 25m
Wed 10/285:00 pm -
Nonstop8h 00m
Deal found 9/12![Icelandair logo]()
$426
This deal was found by Cheapflights users on 9/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 pm -
Nonstop7h 25m
Mon 10/265:00 pm -
Nonstop8h 00m
Deal found 9/13![Icelandair logo]()
$461
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 10/57:15 am -
1 stop19h 15m
Fri 10/1611:25 am -
1 stop18h 39m
Deal found 9/14![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 10/411:59 pm -
2 stops26h 31m
Fri 10/1611:25 am -
1 stop18h 39m
Deal found 9/13![Delta logo]()
$478
This Virgin Atlantic deal was found by Cheapflights users on 9/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:50 am -
1 stop14h 40m
Mon 9/219:30 am -
1 stop21h 25m
Deal found 9/14![Virgin Atlantic logo]()
$486
This Delta deal was found by Cheapflights users on 9/14. 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 9/1611:50 am -
1 stop14h 40m
Wed 9/239:30 am -
1 stop14h 15m
Deal found 9/14![Delta logo]()
$487
This Air France deal was found by Cheapflights users on 9/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:15 am -
1 stop19h 15m
Wed 9/239:30 am -
2 stops19h 40m
Deal found 9/14![Multiple Airlines logo]()
$492
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/127:00 pm -
Nonstop7h 25m
Mon 10/265:00 pm -
Nonstop8h 00m
Deal found 9/15![Icelandair logo]()
$494
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:50 am -
1 stop14h 40m
Sat 10/2411:25 am -
1 stop18h 39m
Deal found 9/14![KLM logo]()
$544
Best flights from Seattle to IcelandDiscover carefully curated flight deals from Seattle to Iceland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Seattle to Iceland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 10/177:15 am -
1 stop19h 15m
Sat 10/2411:25 am -
1 stop18h 39m
Deal found 9/15![Delta logo]()
$544
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:50 am -
1 stop14h 40m
Sat 10/2411:25 am -
1 stop18h 39m
Deal found 9/14![KLM logo]()
$544
This Virgin Atlantic deal was found by Cheapflights users on 9/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:15 am -
1 stop19h 15m
Fri 10/2311:25 am -
1 stop18h 39m
Deal found 9/16![Virgin Atlantic logo]()
$613
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 12/14:04 pm -
2 stops33h 56m
Mon 12/712:00 pm -
1 stop18h 43m
Deal found 9/16![United Airlines logo]()
$764
This Delta deal was found by Cheapflights users on 9/12. 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 10/169:45 am -
2 stops16h 45m
Sat 10/2411:25 am -
2 stops29h 35m
Deal found 9/12![Delta logo]()
$661
This Virgin Atlantic deal was found by Cheapflights users on 9/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:15 am -
1 stop19h 15m
Fri 10/2311:25 am -
1 stop18h 39m
Deal found 9/15![Virgin Atlantic logo]()
$712
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/178:25 am -
2 stops16h 30m
Sat 10/2412:00 pm -
1 stop13h 52m
Deal found 9/13![United Airlines logo]()
$770
Last-minute flights from Seattle to IcelandDiscover last-minute flight deals from Seattle to Iceland. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Iceland. Data last updated September 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/14. 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 9/1611:50 am -
1 stop14h 40m
Wed 9/239:30 am -
1 stop14h 15m
Deal found 9/14![Delta logo]()
$487
This Air France deal was found by Cheapflights users on 9/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:15 am -
1 stop19h 15m
Wed 9/239:30 am -
2 stops19h 40m
Deal found 9/14![Multiple Airlines logo]()
$492
This Virgin Atlantic deal was found by Cheapflights users on 9/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:00 pm -
1 stop12h 00m
Thu 9/249:30 am -
1 stop18h 06m
Deal found 9/14![Virgin Atlantic logo]()
$486
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 10/411:59 pm -
2 stops26h 31m
Fri 10/1611:25 am -
1 stop18h 39m
Deal found 9/13![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 10/57:15 am -
1 stop19h 15m
Fri 10/1611:25 am -
1 stop18h 39m
Deal found 9/14![Delta logo]()
$473
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/127:00 pm -
Nonstop7h 25m
Mon 10/265:00 pm -
Nonstop8h 00m
Deal found 9/15![Icelandair logo]()
$494
This Delta deal was found by Cheapflights users on 9/12. 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 10/169:45 am -
2 stops16h 45m
Fri 10/2311:25 am -
1 stop18h 39m
Deal found 9/12![Delta logo]()
$549
This deal was found by Cheapflights users on 9/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 pm -
Nonstop7h 25m
Mon 10/265:00 pm -
Nonstop8h 00m
Deal found 9/13![Icelandair logo]()
$461
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 am -
1 stop19h 15m
Wed 10/2111:25 am -
1 stop18h 39m
Deal found 9/14![KLM logo]()
$544
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Wed 10/217:00 pm -
Nonstop7h 25m
Wed 10/285:00 pm -
Nonstop8h 00m
Deal found 9/12![Icelandair logo]()
$426
One-way flights from Seattle to IcelandSearch for one-way flight options from Seattle to Iceland. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Seattle to Iceland. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/113:55 pm -
3 stops44h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 9/293:55 pm -
2 stops20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 12/52:20 pm -
2 stops40h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/232:30 pm -
2 stops36h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1910:30 am -
3 stops38h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/187:35 pm -
3 stops53h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Sat 10/1710:30 am -
3 stops41h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 2/262:30 pm -
2 stops34h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$419
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $426 (Cheapflightsfares) |
One-way from | $384 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $679 |
Good round-trip deal | $632 or less |
Good one-way deal | $335 or less |
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 7,457,451 searches. Data last updated September 17, 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
Cheapest round-trip
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Tue 9/29
3:55 pm-7:15 pm
2 stops20h 20m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$362
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sat 12/5
1:50 pm-3:05 pm
3 stops41h 15m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$427
Quickest round-trip
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Thu 12/10
2:35 pm-6:15 am
Nonstop7h 40m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$459
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sat 10/17
7:15 am-9:30 am
1 stop19h 15m
Reykjavik Keflavik Intl
Sat 10/24
11:25 am-11:04 pm
1 stop18h 39m
$544
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sat 10/17
11:50 am-9:30 am
1 stop14h 40m
Reykjavik Keflavik Intl
Sat 10/24
11:25 am-11:04 pm
1 stop18h 39m
$544
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sun 11/29
5:05 am-10:00 am
2 stops20h 55m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$551
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sat 10/31
11:59 pm-10:00 am
2 stops27h 01m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$551
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sat 10/31
12:13 pm-6:15 am
1 stop11h 02m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$557
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sat 11/28
5:05 am-10:00 am
2 stops44h 55m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$574
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Fri 10/30
7:04 pm-10:00 am
2 stops55h 56m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$580
Showing 1-10 of 18 resultsSorted by cheapest first
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.
SEA-KEF
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
SEA-IS0
SEA-KEF
What is the cheapest month to book a flight from Seattle to Iceland?
Currently, May is the cheapest month in which you can book a flight from Seattle to Iceland (average of $561). Flying from Seattle to Iceland in December is currently the most expensive (average of $857). 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 September 17, 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 September 17, 2026.
The most flights from SEA to IS0 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).
How far ahead should I book a flight from Seattle to Iceland?
The best time to book flights from Seattle to Iceland is 45 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 September 17, 2026.
Read through reviews of airlines operating flights from Seattle to Iceland, such as Alaska Airlines and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Food
7.0
Entertainment
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Crew
8.5
Food
7.0
Entertainment
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Crew
8.5
Food
7.0
Entertainment
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
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.
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
Alternative routes for Seattle to Iceland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Iceland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Iceland by cabin class
Find flights from Seattle to Iceland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Iceland flights
Browse other Seattle and Iceland flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$662 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$496 | Average$832 | FlexibilityNo cancel fee | On-time75% |