Icelandair Flight 680 Deals & Information (2026/2027)

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Icelandair Flight 680 Route Deals From $524

The cheapest prices found with in the last 7 days for return flights were $591 and $524 for one-way flights to Keflavik Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Apr 4 - Sun, Apr 11
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$591 Roundtrip, found 7 hours ago
$591
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Sun, Apr 4 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sun, Apr 11, priced at $591 found 7 hours ago
Sun, Apr 4 - Fri, Apr 9
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$591 Roundtrip, found 3 days ago
$591
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sun, Apr 4 from Seattle - Tacoma Intl. to Keflavik Intl., returning Fri, Apr 9, priced at $591 found 3 days ago
Wed, Feb 17 - Tue, Feb 23
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$593 Roundtrip, just found
$593
Roundtrip
just found
Select Icelandair flight, departing Wed, Feb 17 from Seattle - Tacoma Intl. to Keflavik Intl., returning Tue, Feb 23, priced at $593 just found
Sat, Apr 3 - Sun, Apr 11
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$661 Roundtrip, found 3 days ago
$661
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sat, Apr 3 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sun, Apr 11, priced at $661 found 3 days ago
Wed, Mar 3 - Tue, Mar 9
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$663 Roundtrip, just found
$663
Roundtrip
just found
Select Icelandair flight, departing Wed, Mar 3 from Seattle - Tacoma Intl. to Keflavik Intl., returning Tue, Mar 9, priced at $663 just found
Sat, Apr 10 - Sat, Apr 17
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$672 Roundtrip, found 14 hours ago
$672
Roundtrip
found 14 hours ago
Select Icelandair flight, departing Sat, Apr 10 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sat, Apr 17, priced at $672 found 14 hours ago
Mon, Mar 1 - Fri, Mar 5
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$672 Roundtrip, found 3 days ago
$672
Roundtrip
found 3 days ago
Select Icelandair flight, departing Mon, Mar 1 from Seattle - Tacoma Intl. to Keflavik Intl., returning Fri, Mar 5, priced at $672 found 3 days ago
Sun, Apr 25 - Fri, May 7
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$675 Roundtrip, found 2 days ago
$675
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sun, Apr 25 from Seattle - Tacoma Intl. to Keflavik Intl., returning Fri, May 7, priced at $675 found 2 days ago

Frequently asked questions

What route does flight number FI680 take?
You'll be touching down at Reykjavík–Keflavík Airport from Sea-Tac Airport if you're traveling on flight number FI680. You'll be in the sky for 7 hours and 25 minutes during this journey. It's also good to note that the flight conveniently travels non-stop.
What kind of plane is on flight number FI680?
The Boeing 757-200 is the aircraft most frequently used for flight number FI680. Typically, this flight takes off from Seattle - Tacoma Intl. Airport (SEA) and touches down at KEF.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your FI680 flight with Travelocity, please visit our Customer Service Portal.