Icelandair Flight 631 Deals & Information (2026/2027)

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Icelandair Flight 631 Route Deals From $473

The cheapest prices found with in the last 7 days for return flights were $583 and $473 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 16 - Tue, Oct 20
KEF
Keflavik Intl.
BOS
Logan Intl.
$583 Roundtrip, found 4 days ago
$583
Roundtrip
found 4 days ago
Select Icelandair flight, departing Fri, Oct 16 from Keflavik Intl. to Logan Intl., returning Tue, Oct 20, priced at $583 found 4 days ago
Fri, Oct 2 - Fri, Oct 9
KEF
Keflavik Intl.
BOS
Logan Intl.
$585 Roundtrip, found 3 days ago
$585
Roundtrip
found 3 days ago
Select Icelandair flight, departing Fri, Oct 2 from Keflavik Intl. to Logan Intl., returning Fri, Oct 9, priced at $585 found 3 days ago
Mon, Oct 12 - Thu, Nov 5
KEF
Keflavik Intl.
BOS
Logan Intl.
$585 Roundtrip, found 1 day ago
$585
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Oct 12 from Keflavik Intl. to Logan Intl., returning Thu, Nov 5, priced at $585 found 1 day ago
Fri, Jul 24 - Tue, Jul 28
KEF
Keflavik Intl.
BOS
Logan Intl.
$586 Roundtrip, found 3 days ago
$586
Roundtrip
found 3 days ago
Select Icelandair flight, departing Fri, Jul 24 from Keflavik Intl. to Logan Intl., returning Tue, Jul 28, priced at $586 found 3 days ago
Thu, Jul 9 - Tue, Jul 14
KEF
Keflavik Intl.
BOS
Logan Intl.
$588 Roundtrip, found 4 hours ago
$588
Roundtrip
found 4 hours ago
Select Icelandair flight, departing Thu, Jul 9 from Keflavik Intl. to Logan Intl., returning Tue, Jul 14, priced at $588 found 4 hours ago
Tue, Jul 14 - Tue, Jul 21
KEF
Keflavik Intl.
BOS
Logan Intl.
$588 Roundtrip, found 22 hours ago
$588
Roundtrip
found 22 hours ago
Select Icelandair flight, departing Tue, Jul 14 from Keflavik Intl. to Logan Intl., returning Tue, Jul 21, priced at $588 found 22 hours ago
Fri, Sep 4 - Tue, Sep 15
KEF
Keflavik Intl.
BOS
Logan Intl.
$598 Roundtrip, found 2 days ago
$598
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Sep 4 from Keflavik Intl. to Logan Intl., returning Tue, Sep 15, priced at $598 found 2 days ago
Sat, Sep 5 - Wed, Sep 9
KEF
Keflavik Intl.
BOS
Logan Intl.
$609 Roundtrip, found 6 days ago
$609
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Sep 5 from Keflavik Intl. to Logan Intl., returning Wed, Sep 9, priced at $609 found 6 days ago
Fri, Oct 9 - Sat, Oct 17
KEF
Keflavik Intl.
BOS
Logan Intl.
$609 Roundtrip, found 4 days ago
$609
Roundtrip
found 4 days ago
Select Icelandair flight, departing Fri, Oct 9 from Keflavik Intl. to Logan Intl., returning Sat, Oct 17, priced at $609 found 4 days ago
Thu, Oct 15 - Mon, Oct 19
KEF
Keflavik Intl.
BOS
Logan Intl.
$612 Roundtrip, found 23 hours ago
$612
Roundtrip
found 23 hours ago
Select Icelandair flight, departing Thu, Oct 15 from Keflavik Intl. to Logan Intl., returning Mon, Oct 19, priced at $612 found 23 hours 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.