Icelandair Flight 631 Deals & Information (2026/2027)

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Icelandair Flight 631 Route Deals From $467

The cheapest prices found with in the last 7 days for return flights were $539 and $467 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Apr 19 - Wed, Apr 29
KEF
Keflavik Intl.
BOS
Logan Intl.
$539 Roundtrip, found 6 days ago
$539
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sun, Apr 19 from Keflavik Intl. to Logan Intl., returning Wed, Apr 29, priced at $539 found 6 days ago
Thu, Apr 16 - Thu, Apr 23
KEF
Keflavik Intl.
BOS
Logan Intl.
$566 Roundtrip, found 1 day ago
$566
Roundtrip
found 1 day ago
Select Icelandair flight, departing Thu, Apr 16 from Keflavik Intl. to Logan Intl., returning Thu, Apr 23, priced at $566 found 1 day ago
Sun, Sep 6 - Thu, Sep 10
KEF
Keflavik Intl.
BOS
Logan Intl.
$574 Roundtrip, found 6 days ago
$574
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sun, Sep 6 from Keflavik Intl. to Logan Intl., returning Thu, Sep 10, priced at $574 found 6 days ago
Tue, Jun 30 - Sat, Jul 4
KEF
Keflavik Intl.
BOS
Logan Intl.
$577 Roundtrip, found 6 days ago
$577
Roundtrip
found 6 days ago
Select Icelandair flight, departing Tue, Jun 30 from Keflavik Intl. to Logan Intl., returning Sat, Jul 4, priced at $577 found 6 days ago
Fri, Feb 12 - Fri, Feb 19
KEF
Keflavik Intl.
BOS
Logan Intl.
$583 Roundtrip, found 5 days ago
$583
Roundtrip
found 5 days ago
Select Icelandair flight, departing Fri, Feb 12 from Keflavik Intl. to Logan Intl., returning Fri, Feb 19, priced at $583 found 5 days ago
Mon, Jun 22 - Tue, Aug 25
KEF
Keflavik Intl.
BOS
Logan Intl.
$583 Roundtrip, found 1 day ago
$583
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Jun 22 from Keflavik Intl. to Logan Intl., returning Tue, Aug 25, priced at $583 found 1 day ago
Tue, Sep 15 - Wed, Oct 14
KEF
Keflavik Intl.
BOS
Logan Intl.
$592 Roundtrip, found 14 hours ago
$592
Roundtrip
found 14 hours ago
Select Icelandair flight, departing Tue, Sep 15 from Keflavik Intl. to Logan Intl., returning Wed, Oct 14, priced at $592 found 14 hours ago
Fri, Oct 23 - Wed, Oct 28
KEF
Keflavik Intl.
BOS
Logan Intl.
$593 Roundtrip, found 2 days ago
$593
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Oct 23 from Keflavik Intl. to Logan Intl., returning Wed, Oct 28, priced at $593 found 2 days ago
Sun, Jul 12 - Tue, Jul 21
KEF
Keflavik Intl.
BOS
Logan Intl.
$595 Roundtrip, found 1 day ago
$595
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sun, Jul 12 from Keflavik Intl. to Logan Intl., returning Tue, Jul 21, priced at $595 found 1 day ago
Sat, Dec 12 - Sat, Dec 26
KEF
Keflavik Intl.
BOS
Logan Intl.
$604 Roundtrip, found 7 hours ago
$604
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Sat, Dec 12 from Keflavik Intl. to Logan Intl., returning Sat, Dec 26, priced at $604 found 7 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.