Icelandair Flight 681 Deals & Information (2026/2027)

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Icelandair Flight 681 Route Deals From $515

The cheapest prices found with in the last 7 days for return flights were $568 and $515 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 3 - Mon, Jun 8
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$568 Roundtrip, found 1 day ago
$568
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Jun 3 from Keflavik Intl. to Seattle - Tacoma Intl., returning Mon, Jun 8, priced at $568 found 1 day ago
Fri, May 22 - Tue, May 26
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$577 Roundtrip, found 2 days ago
$577
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, May 22 from Keflavik Intl. to Seattle - Tacoma Intl., returning Tue, May 26, priced at $577 found 2 days ago
Fri, Jun 5 - Fri, Jul 3
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$627 Roundtrip, found 5 days ago
$627
Roundtrip
found 5 days ago
Select Icelandair flight, departing Fri, Jun 5 from Keflavik Intl. to Seattle - Tacoma Intl., returning Fri, Jul 3, priced at $627 found 5 days ago
Mon, Jun 8 - Wed, Aug 26
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$628 Roundtrip, found 4 days ago
$628
Roundtrip
found 4 days ago
Select Icelandair flight, departing Mon, Jun 8 from Keflavik Intl. to Seattle - Tacoma Intl., returning Wed, Aug 26, priced at $628 found 4 days ago
Fri, Jun 5 - Fri, Jul 3
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$640 Roundtrip, found 5 days ago
$640
Roundtrip
found 5 days ago
Select Icelandair flight, departing Fri, Jun 5 from Keflavik Intl. to Seattle - Tacoma Intl., returning Fri, Jul 3, priced at $640 found 5 days ago
Fri, Jun 5 - Fri, Jul 3
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$662 Roundtrip, found 5 days ago
$662
Roundtrip
found 5 days ago
Select Icelandair flight, departing Fri, Jun 5 from Keflavik Intl. to Seattle - Tacoma Intl., returning Fri, Jul 3, priced at $662 found 5 days ago
Wed, Jun 3 - Mon, Jun 8
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$664 Roundtrip, found 1 day ago
$664
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Jun 3 from Keflavik Intl. to Seattle - Tacoma Intl., returning Mon, Jun 8, priced at $664 found 1 day ago
Fri, May 22 - Tue, May 26
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$675 Roundtrip, found 2 days ago
$675
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, May 22 from Keflavik Intl. to Seattle - Tacoma Intl., returning Tue, May 26, priced at $675 found 2 days ago
Thu, Oct 22 - Mon, Oct 26
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$677 Roundtrip, found 23 hours ago
$677
Roundtrip
found 23 hours ago
Select Icelandair flight, departing Thu, Oct 22 from Keflavik Intl. to Seattle - Tacoma Intl., returning Mon, Oct 26, priced at $677 found 23 hours ago
Fri, May 22 - Tue, May 26
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$687 Roundtrip, found 2 days ago
$687
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, May 22 from Keflavik Intl. to Seattle - Tacoma Intl., returning Tue, May 26, priced at $687 found 2 days ago
Tue, Sep 1 - Tue, Sep 8
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$689 Roundtrip, found 6 days ago
$689
Roundtrip
found 6 days ago
Select Icelandair flight, departing Tue, Sep 1 from Keflavik Intl. to Seattle - Tacoma Intl., returning Tue, Sep 8, priced at $689 found 6 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.