Icelandair Flight 623 Deals & Information (2026/2027)

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Icelandair Flight 623 Route Deals From $457

The cheapest prices found with in the last 7 days for return flights were $554 and $457 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 30 - Fri, Nov 6
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$554 Roundtrip, found 1 hour ago
$554
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Fri, Oct 30 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Fri, Nov 6, priced at $554 found 1 hour ago
Mon, Oct 12 - Wed, Oct 21
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$555 Roundtrip, found 2 days ago
$555
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Oct 12 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Oct 21, priced at $555 found 2 days ago
Fri, Oct 2 - Thu, Oct 8
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$557 Roundtrip, found 4 days ago
$557
Roundtrip
found 4 days ago
Select Icelandair flight, departing Fri, Oct 2 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Oct 8, priced at $557 found 4 days ago
Tue, Oct 20 - Tue, Oct 27
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$567 Roundtrip, found 1 day ago
$567
Roundtrip
found 1 day ago
Select Icelandair flight, departing Tue, Oct 20 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 27, priced at $567 found 1 day ago
Wed, Nov 4 - Wed, Dec 9
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$569 Roundtrip, found 4 days ago
$569
Roundtrip
found 4 days ago
Select Icelandair flight, departing Wed, Nov 4 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Dec 9, priced at $569 found 4 days ago
Thu, Oct 15 - Mon, Oct 19
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$578 Roundtrip, found 10 hours ago
$578
Roundtrip
found 10 hours ago
Select Icelandair flight, departing Thu, Oct 15 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Oct 19, priced at $578 found 10 hours ago
Thu, Oct 1 - Sun, Oct 11
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$580 Roundtrip, found 6 days ago
$580
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Oct 1 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 11, priced at $580 found 6 days ago
Tue, Mar 16 - Thu, Mar 25
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$580 Roundtrip, found 1 day ago
$580
Roundtrip
found 1 day ago
Select Icelandair flight, departing Tue, Mar 16 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Mar 25, priced at $580 found 1 day ago
Tue, Sep 8 - Sun, Sep 13
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$583 Roundtrip, found 2 days ago
$583
Roundtrip
found 2 days ago
Select Icelandair flight, departing Tue, Sep 8 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Sep 13, priced at $583 found 2 days ago
Thu, Aug 27 - Mon, Aug 31
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$593 Roundtrip, found 1 day ago
$593
Roundtrip
found 1 day ago
Select Icelandair flight, departing Thu, Aug 27 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 31, priced at $593 found 1 day ago

Frequently asked questions

What route does flight number FI623 take?
FI623 flies non-stop from Reykjavik Airport (KEF-Keflavik Intl.) to EWR. During this journey, you'll be in the air for approximately 6 hours and 10 minutes. Consider booking ahead to lock in your favorite seat.
How often is FI623 on time?
Around 75% of Icelandair flight number FI623 planes arrive according to scheduled times — so you may want to leave a little extra room in your itinerary. In the event of a delay, the average wait is around 22 minutes. Be aware of this if you need to make a connecting journey or your friend is greeting you at the airport. This route has a rating of 2.35 stars.
What kind of plane is on flight number FI623?
The route for FI623 is nearly always Reykjavik Airport (KEF-Keflavik Intl.) to Newark, NJ Airport (EWR-Liberty Intl.), and the Boeing 737 MAX 9 is the type of aircraft you'll probably be taking off on.
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 FI623 flight with Travelocity, please visit our Customer Service Portal.