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 $352 and $473 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 15 - Wed, Oct 21
KEF
Keflavik Intl.
BOS
Logan Intl.
$352 Roundtrip, found 4 days ago
$352
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Oct 15 from Keflavik Intl. to Logan Intl., returning Wed, Oct 21, priced at $352 found 4 days ago
Wed, Aug 12 - Sun, Aug 23
KEF
Keflavik Intl.
BOS
Logan Intl.
$365 Roundtrip, found 5 days ago
$365
Roundtrip
found 5 days ago
Select Icelandair flight, departing Wed, Aug 12 from Keflavik Intl. to Logan Intl., returning Sun, Aug 23, priced at $365 found 5 days ago
Thu, Sep 24 - Mon, Sep 28
KEF
Keflavik Intl.
BOS
Logan Intl.
$365 Roundtrip, found 4 days ago
$365
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Sep 24 from Keflavik Intl. to Logan Intl., returning Mon, Sep 28, priced at $365 found 4 days ago
Mon, Oct 5 - Tue, Oct 13
KEF
Keflavik Intl.
BOS
Logan Intl.
$434 Roundtrip, found 5 days ago
$434
Roundtrip
found 5 days ago
Select Icelandair flight, departing Mon, Oct 5 from Keflavik Intl. to Logan Intl., returning Tue, Oct 13, priced at $434 found 5 days ago
Fri, Oct 16 - Tue, Nov 3
KEF
Keflavik Intl.
BOS
Logan Intl.
$462 Roundtrip, found 5 days ago
$462
Roundtrip
found 5 days ago
Select Icelandair flight, departing Fri, Oct 16 from Keflavik Intl. to Logan Intl., returning Tue, Nov 3, priced at $462 found 5 days ago
Tue, Aug 11 - Tue, Aug 18
KEF
Keflavik Intl.
BOS
Logan Intl.
$476 Roundtrip, found 3 days ago
$476
Roundtrip
found 3 days ago
Select Icelandair flight, departing Tue, Aug 11 from Keflavik Intl. to Logan Intl., returning Tue, Aug 18, priced at $476 found 3 days ago
Mon, Aug 3 - Thu, Aug 13
KEF
Keflavik Intl.
BOS
Logan Intl.
$487 Roundtrip, found 3 days ago
$487
Roundtrip
found 3 days ago
Select Icelandair flight, departing Mon, Aug 3 from Keflavik Intl. to Logan Intl., returning Thu, Aug 13, priced at $487 found 3 days ago
Wed, Aug 12 - Sun, Aug 23
KEF
Keflavik Intl.
BOS
Logan Intl.
$502 Roundtrip, found 5 days ago
$502
Roundtrip
found 5 days ago
Select Icelandair flight, departing Wed, Aug 12 from Keflavik Intl. to Logan Intl., returning Sun, Aug 23, priced at $502 found 5 days ago
Tue, Aug 11 - Tue, Aug 18
KEF
Keflavik Intl.
BOS
Logan Intl.
$533 Roundtrip, found 3 days ago
$533
Roundtrip
found 3 days ago
Select Icelandair flight, departing Tue, Aug 11 from Keflavik Intl. to Logan Intl., returning Tue, Aug 18, priced at $533 found 3 days ago
Mon, Aug 3 - Thu, Aug 13
KEF
Keflavik Intl.
BOS
Logan Intl.
$570 Roundtrip, found 3 days ago
$570
Roundtrip
found 3 days ago
Select Icelandair flight, departing Mon, Aug 3 from Keflavik Intl. to Logan Intl., returning Thu, Aug 13, priced at $570 found 3 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.