Icelandair Flight 623 Deals & Information (2026/2027)

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Icelandair Flight 623 Route Deals From $450

The cheapest prices found with in the last 7 days for return flights were $545 and $450 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 16 - Tue, Apr 21
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$545 Roundtrip, found 2 days ago
$545
Roundtrip
found 2 days ago
Select Icelandair flight, departing Thu, Apr 16 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Apr 21, priced at $545 found 2 days ago
Tue, Nov 3 - Sat, Nov 7
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$548 Roundtrip, found 21 hours ago
$548
Roundtrip
found 21 hours ago
Select Icelandair flight, departing Tue, Nov 3 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, Nov 7, priced at $548 found 21 hours ago
Thu, Oct 1 - Wed, Oct 7
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$558 Roundtrip, found 2 days ago
$558
Roundtrip
found 2 days ago
Select Icelandair flight, departing Thu, Oct 1 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Oct 7, priced at $558 found 2 days ago
Fri, Oct 2 - Tue, Oct 6
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$560 Roundtrip, found 23 hours ago
$560
Roundtrip
found 23 hours ago
Select Icelandair flight, departing Fri, Oct 2 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 6, priced at $560 found 23 hours ago
Fri, May 15 - Sun, May 24
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$563 Roundtrip, found 4 days ago
$563
Roundtrip
found 4 days ago
Select Icelandair flight, departing Fri, May 15 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, May 24, priced at $563 found 4 days ago
Wed, Aug 26 - Wed, Sep 2
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$572 Roundtrip, found 3 days ago
$572
Roundtrip
found 3 days ago
Select Icelandair flight, departing Wed, Aug 26 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Sep 2, priced at $572 found 3 days ago
Sat, Oct 10 - Wed, Oct 14
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$575 Roundtrip, found 4 days ago
$575
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sat, Oct 10 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Oct 14, priced at $575 found 4 days ago
Thu, Sep 10 - Thu, Sep 17
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$575 Roundtrip, found 3 days ago
$575
Roundtrip
found 3 days ago
Select Icelandair flight, departing Thu, Sep 10 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Sep 17, priced at $575 found 3 days ago
Fri, Jun 5 - Mon, Sep 7
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$582 Roundtrip, found 1 day ago
$582
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, Jun 5 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Sep 7, priced at $582 found 1 day ago
Fri, May 22 - Sat, May 30
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$584 Roundtrip, found 2 days ago
$584
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, May 22 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, May 30, priced at $584 found 2 days 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.