Icelandair Flight 631 Deals & Information (2026/2027)

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Icelandair Flight 631 Route Deals From $474

The cheapest prices found with in the last 7 days for return flights were $575 and $474 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 5 - Tue, Oct 13
KEF
Keflavik Intl.
BOS
Logan Intl.
$575 Roundtrip, found 1 day ago
$575
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Oct 5 from Keflavik Intl. to Logan Intl., returning Tue, Oct 13, priced at $575 found 1 day ago
Mon, Sep 21 - Fri, Sep 25
KEF
Keflavik Intl.
BOS
Logan Intl.
$588 Roundtrip, found 2 days ago
$588
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Sep 21 from Keflavik Intl. to Logan Intl., returning Fri, Sep 25, priced at $588 found 2 days ago
Fri, Nov 6 - Wed, Nov 11
KEF
Keflavik Intl.
BOS
Logan Intl.
$598 Roundtrip, found 1 day ago
$598
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, Nov 6 from Keflavik Intl. to Logan Intl., returning Wed, Nov 11, priced at $598 found 1 day ago
Thu, Dec 3 - Tue, Dec 8
KEF
Keflavik Intl.
BOS
Logan Intl.
$600 Roundtrip, found 2 days ago
$600
Roundtrip
found 2 days ago
Select Icelandair flight, departing Thu, Dec 3 from Keflavik Intl. to Logan Intl., returning Tue, Dec 8, priced at $600 found 2 days ago
Fri, Oct 30 - Sat, Nov 7
KEF
Keflavik Intl.
BOS
Logan Intl.
$611 Roundtrip, found 2 days ago
$611
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Oct 30 from Keflavik Intl. to Logan Intl., returning Sat, Nov 7, priced at $611 found 2 days ago
Fri, Jun 18 - Sat, Jul 3
KEF
Keflavik Intl.
BOS
Logan Intl.
$624 Roundtrip, found 17 hours ago
$624
Roundtrip
found 17 hours ago
Select Icelandair flight, departing Fri, Jun 18 from Keflavik Intl. to Logan Intl., returning Sat, Jul 3, priced at $624 found 17 hours ago
Wed, Jan 13 - Sun, Jan 17
KEF
Keflavik Intl.
BOS
Logan Intl.
$626 Roundtrip, found 11 hours ago
$626
Roundtrip
found 11 hours ago
Select Icelandair flight, departing Wed, Jan 13 from Keflavik Intl. to Logan Intl., returning Sun, Jan 17, priced at $626 found 11 hours ago
Tue, Sep 22 - Sun, Sep 27
KEF
Keflavik Intl.
BOS
Logan Intl.
$628 Roundtrip, found 6 days ago
$628
Roundtrip
found 6 days ago
Select Icelandair flight, departing Tue, Sep 22 from Keflavik Intl. to Logan Intl., returning Sun, Sep 27, priced at $628 found 6 days ago
Sat, Nov 21 - Wed, Nov 25
KEF
Keflavik Intl.
BOS
Logan Intl.
$642 Roundtrip, found 2 days ago
$642
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sat, Nov 21 from Keflavik Intl. to Logan Intl., returning Wed, Nov 25, priced at $642 found 2 days ago
Fri, Sep 4 - Sun, Sep 13
KEF
Keflavik Intl.
BOS
Logan Intl.
$655 Roundtrip, found 5 days ago
$655
Roundtrip
found 5 days ago
Select Icelandair flight, departing Fri, Sep 4 from Keflavik Intl. to Logan Intl., returning Sun, Sep 13, priced at $655 found 5 days ago

Frequently asked questions

What route does flight number FI631 take?
You'll be arriving into BOS from Reykjavik Airport (KEF-Keflavik Intl.) if you've booked a ticket on flight number FI631. You'll be in the air for 5 hours and 35 minutes during this trip. What's more, it conveniently travels non-stop.
How often is FI631 on time?
If you've booked tickets with Icelandair flight number FI631 between KEF and BOS, it's comforting to know that 82% of these services arrive according to schedule. If your plane does happen to be delayed, the average wait time is roughly 1 hour and 3 minutes. This service has a 1.35-star rating.
What kind of plane is on flight number FI631?
The Boeing 767-300 is the type of plane predominantly used for flight FI631. More often than not, this flight sets off from Reykjavík–Keflavík Airport and comes in to land at Logan Intl. 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 FI631 flight with Travelocity, please visit our Customer Service Portal.