Icelandair Flight 680 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Icelandair Flight 680 Route Deals From $524

The cheapest prices found with in the last 7 days for return flights were $590 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 11 - Wed, Apr 28
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$590 Roundtrip, found 4 days ago
$590
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sun, Apr 11 from Seattle - Tacoma Intl. to Keflavik Intl., returning Wed, Apr 28, priced at $590 found 4 days ago
Wed, Mar 31 - Sat, Apr 17
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$591 Roundtrip, found 1 day ago
$591
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Mar 31 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sat, Apr 17, priced at $591 found 1 day ago
Mon, Mar 29 - Mon, Apr 5
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$592 Roundtrip, found 7 hours ago
$592
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Mon, Mar 29 from Seattle - Tacoma Intl. to Keflavik Intl., returning Mon, Apr 5, priced at $592 found 7 hours ago
Sat, Mar 20 - Sat, Mar 27
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$662 Roundtrip, found 4 days ago
$662
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sat, Mar 20 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sat, Mar 27, priced at $662 found 4 days ago
Mon, Apr 12 - Sun, Apr 18
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$671 Roundtrip, found 2 days ago
$671
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Apr 12 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sun, Apr 18, priced at $671 found 2 days ago
Sat, Mar 6 - Sat, Mar 13
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$672 Roundtrip, found 13 hours ago
$672
Roundtrip
found 13 hours ago
Select Icelandair flight, departing Sat, Mar 6 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sat, Mar 13, priced at $672 found 13 hours ago
Mon, Apr 26 - Wed, May 5
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$675 Roundtrip, found 13 hours ago
$675
Roundtrip
found 13 hours ago
Select Icelandair flight, departing Mon, Apr 26 from Seattle - Tacoma Intl. to Keflavik Intl., returning Wed, May 5, priced at $675 found 13 hours ago
Fri, Apr 9 - Fri, Apr 16
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$681 Roundtrip, found 17 hours ago
$681
Roundtrip
found 17 hours ago
Select Icelandair flight, departing Fri, Apr 9 from Seattle - Tacoma Intl. to Keflavik Intl., returning Fri, Apr 16, priced at $681 found 17 hours ago
Sat, Mar 6 - Sat, May 1
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$686 Roundtrip, found 7 hours ago
$686
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Sat, Mar 6 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sat, May 1, priced at $686 found 7 hours 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.