$297+ Cheap flights from Seattle (SEA) to Reykjavik (REK)
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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — REK
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Reykjavik 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.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Reykjavik are usually found in May or February, booked 27 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from Seattle to Reykjavik
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to ReykjavikExplore the most affordable flight options available from Seattle to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Seattle to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Delta deal was found by Cheapflights users on 9/5. 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 9/306:00 am -
1 stop18h 00m
Thu 10/1511:25 am -
1 stop18h 39m
Deal found 9/5![Delta logo]()
$473
This KLM deal was found by Cheapflights users on 9/5. 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.
Fri 9/1110:40 pm -
1 stop27h 50m
Tue 9/229:30 am -
1 stop21h 25m
Deal found 9/5![Multiple Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 9/5. 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 9/56:05 pm -
1 stop29h 55m
Fri 9/1111:25 am -
2 stops19h 33m
Deal found 9/5![Delta logo]()
$479
This KLM deal was found by Cheapflights users on 9/6. 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.
Fri 9/117:15 am -
1 stop19h 15m
Fri 9/1811:25 am -
1 stop18h 55m
Deal found 9/6![KLM logo]()
$487
This KLM deal was found by Cheapflights users on 9/6. 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 9/126:00 am -
2 stops20h 30m
Thu 9/1711:25 am -
1 stop18h 55m
Deal found 9/6![Multiple Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 9/5. 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 9/56:05 pm -
1 stop29h 55m
Thu 9/2411:25 am -
1 stop15h 56m
Deal found 9/5![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 9/5. 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.
Thu 9/104:01 pm -
1 stop34h 29m
Thu 9/2411:25 am -
1 stop15h 56m
Deal found 9/5![Delta logo]()
$495
This KLM deal was found by Cheapflights users on 9/6. 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.
Thu 9/1011:22 am -
2 stops39h 08m
Mon 9/149:30 am -
1 stop18h 06m
Deal found 9/6![KLM logo]()
$497
This KLM deal was found by Cheapflights users on 9/5. 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 9/55:50 pm -
2 stops30h 10m
Thu 9/2411:25 am -
1 stop18h 55m
Deal found 9/5![KLM logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 12/52:35 pm -
Nonstop7h 40m
Fri 12/185:00 pm -
Nonstop8h 00m
Deal found 9/5![Icelandair logo]()
$519
This KLM deal was found by Cheapflights users on 9/6. 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 9/6![KLM logo]()
$544
This SmartFares deal was found by Cheapflights users on 9/2. 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.
Fri 9/253:40 pm -
Nonstop7h 35m
Thu 10/17:45 pm -
Nonstop7h 55m
Deal found 9/2![Icelandair logo]()
$550
Best flights from Seattle to ReykjavikDiscover carefully curated flight deals from Seattle to Reykjavik that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Seattle to Reykjavik that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/6. 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 9/166:00 am -
1 stop18h 00m
Wed 9/2311:25 am -
1 stop18h 55m
Deal found 9/6![Delta logo]()
$487
This Virgin Atlantic deal was found by Cheapflights users on 9/5. 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 10/47:15 am -
1 stop19h 15m
Mon 10/1211:25 am -
2 stops34h 25m
Deal found 9/5![Virgin Atlantic logo]()
$681
This Justfly.com deal was found by Cheapflights users on 9/6. 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.
Thu 10/157:00 pm -
Nonstop7h 25m
Mon 10/195:00 pm -
1 stop34h 48m
Deal found 9/6![Multiple Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 9/4. 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 12/15:24 pm -
2 stops32h 36m
Mon 12/712:00 pm -
1 stop18h 33m
Deal found 9/4![United Airlines logo]()
$779
This Delta deal was found by Cheapflights users on 9/2. 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 9/255:45 am -
2 stops18h 15m
Thu 10/19:30 am -
1 stop21h 25m
Deal found 9/2![Delta logo]()
$608
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 10/111:50 am -
1 stop14h 40m
Tue 10/611:25 am -
1 stop18h 39m
Deal found 9/2![Delta logo]()
$615
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 9/168:40 am -
2 stops15h 20m
Wed 9/2312:00 pm -
1 stop14h 15m
Deal found 9/6![United Airlines logo]()
$780
Last-minute flights from Seattle to ReykjavikDiscover last-minute flight deals from Seattle to Reykjavik. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Reykjavik. Data last updated September 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/5. 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 9/56:05 pm -
1 stop29h 55m
Fri 9/1111:25 am -
2 stops19h 33m
Deal found 9/5![Delta logo]()
$479
This Delta deal was found by Cheapflights users on 9/5. 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 9/56:05 pm -
1 stop29h 55m
Thu 9/2411:25 am -
1 stop15h 56m
Deal found 9/5![Delta logo]()
$492
This KLM deal was found by Cheapflights users on 9/5. 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 9/55:50 pm -
2 stops30h 10m
Thu 9/2411:25 am -
1 stop18h 55m
Deal found 9/5![KLM logo]()
$498
This Delta deal was found by Cheapflights users on 9/5. 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.
Thu 9/104:01 pm -
1 stop34h 29m
Thu 9/2411:25 am -
1 stop15h 56m
Deal found 9/5![Delta logo]()
$495
This KLM deal was found by Cheapflights users on 9/6. 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.
Thu 9/1011:22 am -
2 stops39h 08m
Mon 9/149:30 am -
1 stop18h 06m
Deal found 9/6![KLM logo]()
$497
This KLM deal was found by Cheapflights users on 9/5. 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.
Fri 9/1110:40 pm -
1 stop27h 50m
Tue 9/229:30 am -
1 stop21h 25m
Deal found 9/5![Multiple Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 9/6. 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 9/1111:50 am -
1 stop14h 40m
Thu 9/1711:25 am -
1 stop18h 55m
Deal found 9/6![Delta logo]()
$487
This KLM deal was found by Cheapflights users on 9/6. 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 9/126:00 am -
2 stops20h 30m
Thu 9/1711:25 am -
1 stop18h 55m
Deal found 9/6![Multiple Airlines logo]()
$491
This SmartFares deal was found by Cheapflights users on 9/2. 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.
Fri 9/253:40 pm -
Nonstop7h 35m
Thu 10/17:45 pm -
Nonstop7h 55m
Deal found 9/2![Icelandair logo]()
$550
This Delta deal was found by Cheapflights users on 9/5. 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 9/306:00 am -
1 stop18h 00m
Thu 10/1511:25 am -
1 stop18h 39m
Deal found 9/5![Delta logo]()
$473
This BusinessClass deal was found by Cheapflights users on 9/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:00 pm -
1 stop34h 30m
Wed 10/2111:25 am -
1 stop15h 44m
Deal found 9/6![Air Europa logo]()
$551
This KLM deal was found by Cheapflights users on 9/6. 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 9/6![KLM logo]()
$544
One-way flights from Seattle to ReykjavikSearch for one-way flight options from Seattle to Reykjavik. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Seattle to Reykjavik. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/43:55 pm -
2 stops44h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/63:55 pm -
3 stops33h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/23:55 pm -
2 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Thu 9/177:35 pm -
1 stop29h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![WestJet logo]()
$329
This Mytrip deal was found by Cheapflights users on 9/4. 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.
Mon 9/145:50 am -
3 stops18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/138:10 pm -
1 stop28h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$352
Find flight deals from Seattle to Reykjavik
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Reykjavik (REK). 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $473 (Delta) |
One-way from | $297 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $680 |
Good round-trip deal | $629 or less |
Good one-way deal | $314 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Reykjavik 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 7, 2026.
Use the filters below to find and compare flights from Seattle to Reykjavik 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
Thu 9/17
7:35 pm-7:40 am
1 stop29h 05m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$329
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sun 9/13
8:10 pm-7:40 am
1 stop28h 30m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$352
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Tue 10/20
6:50 pm-6:55 pm
3 stops41h 05m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$436
Quickest round-trip
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Thu 10/15
7:00 pm-9:25 am
Nonstop7h 25m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$449
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Wed 10/21
7:35 pm-7:50 am
3 stops53h 15m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$455
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Tue 10/6
3:55 pm-4:45 pm
1 stop17h 50m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$466
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Wed 9/16
6:00 am-7:00 am
1 stop18h 00m
Reykjavik Keflavik Intl
Wed 9/23
11:25 am-11:20 pm
1 stop18h 55m
$487
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Thu 11/26
2:35 pm-6:15 am
Nonstop7h 40m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$523
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Fri 10/2
3:40 pm-6:15 am
Nonstop7h 35m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$524
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Tue 11/24
12:20 pm-10:00 am
3 stops37h 40m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$557
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Seattle to Reykjavik
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Reykjavik in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Reykjavik flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Reykjavik flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Reykjavik flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Reykjavik flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Reykjavik flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Reykjavik
Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Seattle with our price prediction graph.
SEA-REK
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 Reykjavik
SEA-REK
SEA-KEF
What is the cheapest month to book a flight from Seattle to Reykjavik?
Currently, May is the cheapest month in which you can book a flight from Seattle to Reykjavik (average of $561). Flying from Seattle to Reykjavik in December is currently the most expensive (average of $860). 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 REK?
Find hourly flight availability from Seattle to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 7, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Reykjavik as you normally would.
Weekly flight availability from Seattle to Reykjavik
Explore weekly flight availability from Seattle to Reykjavik. 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 7, 2026.
The most flights from SEA to REK are scheduled on a Monday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Seattle to Reykjavik?
Airfare is below average for this route at the moment.
Seattle to Reykjavik flights typically cost between $602 and $758 in September.The cheapest round-trip price found within the last 5 days was $473 on Delta (Sep 30-Oct 15).
How far ahead should I book a flight from Seattle to Reykjavik?
To ensure you get the cheapest price possible for a flight from Seattle to Reykjavik, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Reykjavik
Get insights into the airlines that provide service to Reykjavik. 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 Reykjavik. Reviews last updated September 7, 2026.
See what other customers who have flown with Alaska Airlines and Icelandair from Seattle to Reykjavik have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$661 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$496 | Average$832 | FlexibilityNo cancel fee | On-time75% |