Icelandair Flight 631 Deals & Information (2026/2027)

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Icelandair Flight 631 Route Deals From $455

The cheapest prices found with in the last 7 days for return flights were $541 and $455 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Apr 13 - Fri, May 1
KEF
Keflavik Intl.
BOS
Logan Intl.
$541 Roundtrip, found 6 days ago
$541
Roundtrip
found 6 days ago
Select Icelandair flight, departing Mon, Apr 13 from Keflavik Intl. to Logan Intl., returning Fri, May 1, priced at $541 found 6 days ago
Tue, Mar 3 - Sun, Mar 8
KEF
Keflavik Intl.
BOS
Logan Intl.
$544 Roundtrip, found 3 hours ago
$544
Roundtrip
found 3 hours ago
Select Icelandair flight, departing Tue, Mar 3 from Keflavik Intl. to Logan Intl., returning Sun, Mar 8, priced at $544 found 3 hours ago
Fri, Apr 10 - Fri, May 1
KEF
Keflavik Intl.
BOS
Logan Intl.
$552 Roundtrip, found 6 days ago
$552
Roundtrip
found 6 days ago
Select Icelandair flight, departing Fri, Apr 10 from Keflavik Intl. to Logan Intl., returning Fri, May 1, priced at $552 found 6 days ago
Thu, Feb 26 - Mon, Mar 2
KEF
Keflavik Intl.
BOS
Logan Intl.
$554 Roundtrip, found 1 day ago
$554
Roundtrip
found 1 day ago
Select Icelandair flight, departing Thu, Feb 26 from Keflavik Intl. to Logan Intl., returning Mon, Mar 2, priced at $554 found 1 day ago
Sun, Mar 29 - Mon, Apr 6
KEF
Keflavik Intl.
BOS
Logan Intl.
$556 Roundtrip, found 6 hours ago
$556
Roundtrip
found 6 hours ago
Select Icelandair flight, departing Sun, Mar 29 from Keflavik Intl. to Logan Intl., returning Mon, Apr 6, priced at $556 found 6 hours ago
Mon, May 4 - Tue, May 19
KEF
Keflavik Intl.
BOS
Logan Intl.
$556 Roundtrip, found 6 days ago
$556
Roundtrip
found 6 days ago
Select Icelandair flight, departing Mon, May 4 from Keflavik Intl. to Logan Intl., returning Tue, May 19, priced at $556 found 6 days ago
Mon, Sep 28 - Fri, Oct 2
KEF
Keflavik Intl.
BOS
Logan Intl.
$559 Roundtrip, found 6 hours ago
$559
Roundtrip
found 6 hours ago
Select Icelandair flight, departing Mon, Sep 28 from Keflavik Intl. to Logan Intl., returning Fri, Oct 2, priced at $559 found 6 hours ago
Sun, Mar 29 - Mon, Apr 6
KEF
Keflavik Intl.
BOS
Logan Intl.
$567 Roundtrip, found 6 hours ago
$567
Roundtrip
found 6 hours ago
Select Icelandair flight, departing Sun, Mar 29 from Keflavik Intl. to Logan Intl., returning Mon, Apr 6, priced at $567 found 6 hours ago
Sat, Jul 11 - Fri, Jul 17
KEF
Keflavik Intl.
BOS
Logan Intl.
$568 Roundtrip, found 1 day ago
$568
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sat, Jul 11 from Keflavik Intl. to Logan Intl., returning Fri, Jul 17, priced at $568 found 1 day ago
Sat, Jul 18 - Tue, Jul 28
KEF
Keflavik Intl.
BOS
Logan Intl.
$569 Roundtrip, found 1 day ago
$569
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sat, Jul 18 from Keflavik Intl. to Logan Intl., returning Tue, Jul 28, priced at $569 found 1 day 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.