Icelandair Flight FI631 Deals & Information (2025/2026)

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Icelandair Flight 631 Route Deals From $451

The cheapest prices found with in the last 7 days for return flights were $364 and $451 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 3 - Wed, Dec 10
KEF
Keflavik Intl.
BOS
Logan Intl.
$364 Roundtrip, found 2 days ago
$364
Roundtrip
found 2 days ago
Select Icelandair flight, departing Wed, Dec 3 from Keflavik Intl. to Logan Intl., returning Wed, Dec 10, priced at $364 found 2 days ago
Fri, Nov 21 - Mon, Nov 24
KEF
Keflavik Intl.
BOS
Logan Intl.
$384 Roundtrip, found 2 days ago
$384
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Nov 21 from Keflavik Intl. to Logan Intl., returning Mon, Nov 24, priced at $384 found 2 days ago
Fri, Oct 10 - Fri, Oct 17
KEF
Keflavik Intl.
BOS
Logan Intl.
$405 Roundtrip, found 2 days ago
$405
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Oct 10 from Keflavik Intl. to Logan Intl., returning Fri, Oct 17, priced at $405 found 2 days ago
Mon, Oct 6 - Sun, Oct 12
KEF
Keflavik Intl.
BOS
Logan Intl.
$448 Roundtrip, found 5 hours ago
$448
Roundtrip
found 5 hours ago
Select Icelandair flight, departing Mon, Oct 6 from Keflavik Intl. to Logan Intl., returning Sun, Oct 12, priced at $448 found 5 hours ago
Thu, Oct 9 - Fri, Dec 26
KEF
Keflavik Intl.
BOS
Logan Intl.
$452 Roundtrip, found 3 days ago
$452
Roundtrip
found 3 days ago
Select Icelandair flight, departing Thu, Oct 9 from Keflavik Intl. to Logan Intl., returning Fri, Dec 26, priced at $452 found 3 days ago
Mon, Oct 6 - Sun, Oct 12
KEF
Keflavik Intl.
BOS
Logan Intl.
$468 Roundtrip, found 5 hours ago
$468
Roundtrip
found 5 hours ago
Select Icelandair flight, departing Mon, Oct 6 from Keflavik Intl. to Logan Intl., returning Sun, Oct 12, priced at $468 found 5 hours ago
Fri, Oct 10 - Fri, Dec 26
KEF
Keflavik Intl.
BOS
Logan Intl.
$473 Roundtrip, found 3 days ago
$473
Roundtrip
found 3 days ago
Select Icelandair flight, departing Fri, Oct 10 from Keflavik Intl. to Logan Intl., returning Fri, Dec 26, priced at $473 found 3 days ago
Thu, Oct 9 - Sun, Dec 28
KEF
Keflavik Intl.
BOS
Logan Intl.
$478 Roundtrip, found 3 days ago
$478
Roundtrip
found 3 days ago
Select Icelandair flight, departing Thu, Oct 9 from Keflavik Intl. to Logan Intl., returning Sun, Dec 28, priced at $478 found 3 days ago
Mon, Oct 6 - Sun, Oct 12
KEF
Keflavik Intl.
BOS
Logan Intl.
$489 Roundtrip, found 5 hours ago
$489
Roundtrip
found 5 hours ago
Select Icelandair flight, departing Mon, Oct 6 from Keflavik Intl. to Logan Intl., returning Sun, Oct 12, priced at $489 found 5 hours ago
Sat, Oct 4 - Tue, Oct 14
KEF
Keflavik Intl.
BOS
Logan Intl.
$492 Roundtrip, found 2 days ago
$492
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sat, Oct 4 from Keflavik Intl. to Logan Intl., returning Tue, Oct 14, priced at $492 found 2 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.