Icelandair Flight 681 Deals & Information (2026/2027)

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Icelandair Flight 681 Route Deals From $503

The cheapest prices found with in the last 7 days for return flights were $664 and $503 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 8 - Mon, Dec 14
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$664 Roundtrip, found 5 days ago
$664
Roundtrip
found 5 days ago
Select Icelandair flight, departing Tue, Dec 8 from Keflavik Intl. to Seattle - Tacoma Intl., returning Mon, Dec 14, priced at $664 found 5 days ago
Fri, Jun 19 - Sat, Jun 27
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$678 Roundtrip, found 4 days ago
$678
Roundtrip
found 4 days ago
Select Icelandair flight, departing Fri, Jun 19 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sat, Jun 27, priced at $678 found 4 days ago
Mon, Mar 16 - Tue, Mar 24
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$683 Roundtrip, found 19 hours ago
$683
Roundtrip
found 19 hours ago
Select Icelandair flight, departing Mon, Mar 16 from Keflavik Intl. to Seattle - Tacoma Intl., returning Tue, Mar 24, priced at $683 found 19 hours ago
Wed, Sep 2 - Wed, Sep 9
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$686 Roundtrip, found 7 hours ago
$686
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Wed, Sep 2 from Keflavik Intl. to Seattle - Tacoma Intl., returning Wed, Sep 9, priced at $686 found 7 hours ago
Tue, Feb 10 - Tue, Feb 24
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$709 Roundtrip, found 3 days ago
$709
Roundtrip
found 3 days ago
Select Icelandair flight, departing Tue, Feb 10 from Keflavik Intl. to Seattle - Tacoma Intl., returning Tue, Feb 24, priced at $709 found 3 days ago
Tue, Sep 1 - Fri, Sep 11
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$712 Roundtrip, found 5 days ago
$712
Roundtrip
found 5 days ago
Select Icelandair flight, departing Tue, Sep 1 from Keflavik Intl. to Seattle - Tacoma Intl., returning Fri, Sep 11, priced at $712 found 5 days ago
Fri, Feb 6 - Fri, Feb 20
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$719 Roundtrip, found 4 days ago
$719
Roundtrip
found 4 days ago
Select Icelandair flight, departing Fri, Feb 6 from Keflavik Intl. to Seattle - Tacoma Intl., returning Fri, Feb 20, priced at $719 found 4 days ago
Tue, Aug 18 - Sat, Aug 22
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$719 Roundtrip, found 6 days ago
$719
Roundtrip
found 6 days ago
Select Icelandair flight, departing Tue, Aug 18 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sat, Aug 22, priced at $719 found 6 days ago
Sat, Jul 4 - Thu, Jul 9
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$724 Roundtrip, found 4 days ago
$724
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sat, Jul 4 from Keflavik Intl. to Seattle - Tacoma Intl., returning Thu, Jul 9, priced at $724 found 4 days ago
Wed, Sep 2 - Wed, Sep 9
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$732 Roundtrip, found 7 hours ago
$732
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Wed, Sep 2 from Keflavik Intl. to Seattle - Tacoma Intl., returning Wed, Sep 9, priced at $732 found 7 hours 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.