$396 Cheap Air Canada flights Seattle (SEA) to Reykjavik (KEF)

View $396 flight on Sat, Aug 23, 2025Opens in a new window

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$396 Cheap Air Canada flights Seattle (SEA) to Reykjavik (KEF)

Prices were available within the past 7 days and start at $396 for one-way flights and $422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Sep 4 - Fri, Sep 12
SEA
Seattle
KEF
Reykjavik
$422 Roundtrip, found 4 days ago
$422
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Sep 4 from Seattle to Reykjavik, returning Fri, Sep 12, priced at $422 found 4 days ago
Air Canada
Sat, Aug 16 - Sat, Aug 23
SEA
Seattle
KEF
Reykjavik
$435 Roundtrip, just found
$435
Roundtrip
just found
Select Air Canada flight, departing Sat, Aug 16 from Seattle to Reykjavik, returning Sat, Aug 23, priced at $435 just found
Flights from Seattle (SEA) to Reykjavik (KEF)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, United, Virgin Atlantic, WestJet
Popular airline
Icelandair
Distance
3610 mi
Average flight time
14 hours 28 mins

Frequently asked questions

How much is an Air Canada flight from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF)?
Landing cheap one-way Air Canada flights from SEA to KEF from $396 on Expedia is a cinch --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $422 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to KEF with Air Canada?
January is one of the most affordable months to jet off to Reykjavik with Air Canada. You could also find great deals on one-way and round-trip tickets in April.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF) with Air Canada?
Look for Air Canada flights from SEA to KEF about one month before you want to go. The most affordable time to book an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Travelers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Air Canada fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF)?
To find out if there's a direct route from SEA to KEF with Air Canada or another carrier, use our "Nonstop" filter when looking for tickets.
What is the earliest Air Canada flight from SEA to KEF?
To find the earliest departures from SEA to KEF with Air Canada, filter your search by "Morning" and "Early Morning." Choosing an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Air Canada fly into in Reykjavik?
Take an Air Canada flight from Seattle - Tacoma Intl. Airport (SEA) to Reykjavik, and you'll likely touch down at Keflavik Intl. Airport (KEF). This is the airline's main hub in this destination.
Why fly with Air Canada from SEA to KEF?
Offering an excellent in-flight experience and a 4-star airline rating, Air Canada is a favorite for many travelers heading from SEA to KEF. What's more, if you're an Air Canada Aeroplan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Air Canada flight from Seattle - Tacoma Intl. Airport (SEA) to Keflavik Intl. Airport (KEF)?
Depending on your fare type, a fee is typically charged if you modify or cancel your booking more than 24 hours after it's confirmed. To find flexible plane tickets, select our "Changes included" or "No cancel fee" filter when searching for flights. To learn more about modifying or canceling your reservation, go to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.