Icelandair Flight 680 Deals & Information (2025/2026)

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Icelandair Flight 680 Route Deals From $523

The cheapest prices found with in the last 7 days for return flights were $398 and $523 for one-way flights to Keflavik Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 1 - Sun, Oct 5
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$398 Roundtrip, just found
$398
Roundtrip
just found
Select Icelandair flight, departing Wed, Oct 1 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sun, Oct 5, priced at $398 just found
Wed, Sep 3 - Thu, Sep 18
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$411 Roundtrip, just found
$411
Roundtrip
just found
Select Icelandair flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Keflavik Intl., returning Thu, Sep 18, priced at $411 just found
Thu, Sep 25 - Wed, Oct 1
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$438 Roundtrip, found 7 hours ago
$438
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Thu, Sep 25 from Seattle - Tacoma Intl. to Keflavik Intl., returning Wed, Oct 1, priced at $438 found 7 hours ago
Thu, Jan 8 - Mon, Jan 12
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$481 Roundtrip, found 1 day ago
$481
Roundtrip
found 1 day ago
Select Icelandair flight, departing Thu, Jan 8 from Seattle - Tacoma Intl. to Keflavik Intl., returning Mon, Jan 12, priced at $481 found 1 day ago
Thu, Jul 10 - Thu, Jul 17
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$511 Roundtrip, just found
$511
Roundtrip
just found
Select Icelandair flight, departing Thu, Jul 10 from Seattle - Tacoma Intl. to Keflavik Intl., returning Thu, Jul 17, priced at $511 just found

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.