Icelandair Flight 681 Deals & Information (2026/2027)

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Icelandair Flight 681 Route Deals From $512

The cheapest prices found with in the last 7 days for return flights were $671 and $512 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 30 - Fri, Dec 4
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$671 Roundtrip, found 4 days ago
$671
Roundtrip
found 4 days ago
Select Icelandair flight, departing Mon, Nov 30 from Keflavik Intl. to Seattle - Tacoma Intl., returning Fri, Dec 4, priced at $671 found 4 days ago
Thu, Oct 1 - Wed, Oct 7
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$672 Roundtrip, found 14 hours ago
$672
Roundtrip
found 14 hours ago
Select Icelandair flight, departing Thu, Oct 1 from Keflavik Intl. to Seattle - Tacoma Intl., returning Wed, Oct 7, priced at $672 found 14 hours ago
Thu, Aug 20 - Tue, Aug 25
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$684 Roundtrip, found 4 days ago
$684
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Aug 20 from Keflavik Intl. to Seattle - Tacoma Intl., returning Tue, Aug 25, priced at $684 found 4 days ago
Tue, Aug 25 - Sat, Aug 29
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$685 Roundtrip, found 11 hours ago
$685
Roundtrip
found 11 hours ago
Select Icelandair flight, departing Tue, Aug 25 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sat, Aug 29, priced at $685 found 11 hours ago
Sat, Jun 12 - Sun, Jun 20
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$697 Roundtrip, found 4 days ago
$697
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sat, Jun 12 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sun, Jun 20, priced at $697 found 4 days ago
Fri, Sep 4 - Sun, Sep 13
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$719 Roundtrip, found 3 days ago
$719
Roundtrip
found 3 days ago
Select Icelandair flight, departing Fri, Sep 4 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sun, Sep 13, priced at $719 found 3 days ago
Thu, Jun 24 - Fri, Jul 2
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$733 Roundtrip, found 2 days ago
$733
Roundtrip
found 2 days ago
Select Icelandair flight, departing Thu, Jun 24 from Keflavik Intl. to Seattle - Tacoma Intl., returning Fri, Jul 2, priced at $733 found 2 days ago
Thu, Oct 22 - Wed, Oct 28
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$752 Roundtrip, found 1 day ago
$752
Roundtrip
found 1 day ago
Select Icelandair flight, departing Thu, Oct 22 from Keflavik Intl. to Seattle - Tacoma Intl., returning Wed, Oct 28, priced at $752 found 1 day ago
Fri, Sep 4 - Sun, Sep 13
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$753 Roundtrip, found 3 days ago
$753
Roundtrip
found 3 days ago
Select Icelandair flight, departing Fri, Sep 4 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sun, Sep 13, priced at $753 found 3 days ago
Thu, Sep 10 - Sun, Sep 13
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$755 Roundtrip, found 5 days ago
$755
Roundtrip
found 5 days ago
Select Icelandair flight, departing Thu, Sep 10 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sun, Sep 13, priced at $755 found 5 days ago

Frequently asked questions

What route does flight number FI681 take?
FI681 operates from KEF to Sea-Tac Airport directly. This journey typically takes 7 hours and 50 minutes.
What kind of plane is on flight number FI681?
The Boeing 757-200 is the kind of plane most often used for flight FI681. This flight nearly always takes off from Reykjavik Airport (KEF-Keflavik Intl.) and comes in to land at Sea-Tac Airport.
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 FI681 flight with Travelocity, please visit our Customer Service Portal.