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 $551 and $524 for one-way flights to Keflavik Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 29 - Thu, Jul 9
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$551 Roundtrip, found 2 days ago
$551
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Jun 29 from Seattle - Tacoma Intl. to Keflavik Intl., returning Thu, Jul 9, priced at $551 found 2 days ago
Tue, Jun 23 - Thu, Jul 9
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$567 Roundtrip, found 3 days ago
$567
Roundtrip
found 3 days ago
Select Icelandair flight, departing Tue, Jun 23 from Seattle - Tacoma Intl. to Keflavik Intl., returning Thu, Jul 9, priced at $567 found 3 days ago
Fri, Sep 25 - Thu, Oct 1
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$590 Roundtrip, found 1 hour ago
$590
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Fri, Sep 25 from Seattle - Tacoma Intl. to Keflavik Intl., returning Thu, Oct 1, priced at $590 found 1 hour ago
Sat, Oct 31 - Sun, Nov 8
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$592 Roundtrip, just found
$592
Roundtrip
just found
Select Icelandair flight, departing Sat, Oct 31 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sun, Nov 8, priced at $592 just found
Fri, Aug 28 - Fri, Sep 11
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$603 Roundtrip, just found
$603
Roundtrip
just found
Select Icelandair flight, departing Fri, Aug 28 from Seattle - Tacoma Intl. to Keflavik Intl., returning Fri, Sep 11, priced at $603 just found
Tue, Sep 22 - Fri, Oct 2
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$661 Roundtrip, just found
$661
Roundtrip
just found
Select Icelandair flight, departing Tue, Sep 22 from Seattle - Tacoma Intl. to Keflavik Intl., returning Fri, Oct 2, priced at $661 just found
Thu, Nov 5 - Sun, Nov 8
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$662 Roundtrip, found 1 hour ago
$662
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Thu, Nov 5 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sun, Nov 8, priced at $662 found 1 hour ago
Fri, Sep 25 - Thu, Oct 1
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$681 Roundtrip, found 1 hour ago
$681
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Fri, Sep 25 from Seattle - Tacoma Intl. to Keflavik Intl., returning Thu, Oct 1, priced at $681 found 1 hour ago
Tue, Sep 1 - Tue, Sep 8
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$684 Roundtrip, found 22 hours ago
$684
Roundtrip
found 22 hours ago
Select Icelandair flight, departing Tue, Sep 1 from Seattle - Tacoma Intl. to Keflavik Intl., returning Tue, Sep 8, priced at $684 found 22 hours ago
Tue, Aug 4 - Wed, Aug 12
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$694 Roundtrip, found 1 hour ago
$694
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Tue, Aug 4 from Seattle - Tacoma Intl. to Keflavik Intl., returning Wed, Aug 12, priced at $694 found 1 hour ago
Fri, Sep 25 - Sat, Oct 3
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$696 Roundtrip, found 8 hours ago
$696
Roundtrip
found 8 hours ago
Select Icelandair flight, departing Fri, Sep 25 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sat, Oct 3, priced at $696 found 8 hours ago
Tue, Jul 28 - Sun, Aug 2
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$709 Roundtrip, just found
$709
Roundtrip
just found
Select Icelandair flight, departing Tue, Jul 28 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sun, Aug 2, priced at $709 just found
Fri, Aug 21 - Sat, Aug 29
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$724 Roundtrip, found 1 hour ago
$724
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Fri, Aug 21 from Seattle - Tacoma Intl. to Keflavik Intl., returning Sat, Aug 29, priced at $724 found 1 hour ago
Fri, Sep 25 - Fri, Oct 2
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$726 Roundtrip, found 4 hours ago
$726
Roundtrip
found 4 hours ago
Select Icelandair flight, departing Fri, Sep 25 from Seattle - Tacoma Intl. to Keflavik Intl., returning Fri, Oct 2, priced at $726 found 4 hours ago
Wed, Dec 30 - Fri, Jan 8
SEA
Seattle - Tacoma Intl.
KEF
Keflavik Intl.
$731 Roundtrip, found 5 hours ago
$731
Roundtrip
found 5 hours ago
Select Icelandair flight, departing Wed, Dec 30 from Seattle - Tacoma Intl. to Keflavik Intl., returning Fri, Jan 8, priced at $731 found 5 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.