Icelandair Flight 631 Deals & Information (2026/2027)

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Icelandair Flight 631 Route Deals From $481

The cheapest prices found with in the last 7 days for return flights were $580 and $481 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Apr 19 - Tue, Apr 27
KEF
Keflavik Intl.
BOS
Logan Intl.
$580 Roundtrip, found 5 days ago
$580
Roundtrip
found 5 days ago
Select Icelandair flight, departing Mon, Apr 19 from Keflavik Intl. to Logan Intl., returning Tue, Apr 27, priced at $580 found 5 days ago
Mon, Nov 23 - Tue, Dec 1
KEF
Keflavik Intl.
BOS
Logan Intl.
$582 Roundtrip, found 2 days ago
$582
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Nov 23 from Keflavik Intl. to Logan Intl., returning Tue, Dec 1, priced at $582 found 2 days ago
Mon, Jan 25 - Tue, Feb 2
KEF
Keflavik Intl.
BOS
Logan Intl.
$582 Roundtrip, found 2 days ago
$582
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Jan 25 from Keflavik Intl. to Logan Intl., returning Tue, Feb 2, priced at $582 found 2 days ago
Tue, Dec 15 - Mon, Jan 4
KEF
Keflavik Intl.
BOS
Logan Intl.
$593 Roundtrip, just found
$593
Roundtrip
just found
Select Icelandair flight, departing Tue, Dec 15 from Keflavik Intl. to Logan Intl., returning Mon, Jan 4, priced at $593 just found
Fri, Apr 16 - Tue, Apr 20
KEF
Keflavik Intl.
BOS
Logan Intl.
$594 Roundtrip, found 3 days ago
$594
Roundtrip
found 3 days ago
Select Icelandair flight, departing Fri, Apr 16 from Keflavik Intl. to Logan Intl., returning Tue, Apr 20, priced at $594 found 3 days ago
Mon, May 10 - Fri, May 14
KEF
Keflavik Intl.
BOS
Logan Intl.
$595 Roundtrip, found 3 days ago
$595
Roundtrip
found 3 days ago
Select Icelandair flight, departing Mon, May 10 from Keflavik Intl. to Logan Intl., returning Fri, May 14, priced at $595 found 3 days ago
Fri, Jan 15 - Mon, Jan 18
KEF
Keflavik Intl.
BOS
Logan Intl.
$605 Roundtrip, found 7 hours ago
$605
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Fri, Jan 15 from Keflavik Intl. to Logan Intl., returning Mon, Jan 18, priced at $605 found 7 hours ago
Thu, Feb 11 - Tue, Feb 16
KEF
Keflavik Intl.
BOS
Logan Intl.
$609 Roundtrip, found 4 days ago
$609
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Feb 11 from Keflavik Intl. to Logan Intl., returning Tue, Feb 16, priced at $609 found 4 days ago
Sat, May 8 - Wed, May 12
KEF
Keflavik Intl.
BOS
Logan Intl.
$617 Roundtrip, found 5 days ago
$617
Roundtrip
found 5 days ago
Select Icelandair flight, departing Sat, May 8 from Keflavik Intl. to Logan Intl., returning Wed, May 12, priced at $617 found 5 days ago
Fri, Apr 2 - Sun, Apr 4
KEF
Keflavik Intl.
BOS
Logan Intl.
$618 Roundtrip, found 6 days ago
$618
Roundtrip
found 6 days ago
Select Icelandair flight, departing Fri, Apr 2 from Keflavik Intl. to Logan Intl., returning Sun, Apr 4, priced at $618 found 6 days ago
Wed, Apr 7 - Mon, Apr 12
KEF
Keflavik Intl.
BOS
Logan Intl.
$620 Roundtrip, found 1 day ago
$620
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Apr 7 from Keflavik Intl. to Logan Intl., returning Mon, Apr 12, priced at $620 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.