Icelandair Flight 623 Deals & Information (2026/2027)

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Icelandair Flight 623 Route Deals From $455

The cheapest prices found with in the last 7 days for return flights were $551 and $455 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 9 - Thu, Oct 15
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$551 Roundtrip, just found
$551
Roundtrip
just found
Select Icelandair flight, departing Fri, Oct 9 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Oct 15, priced at $551 just found
Sat, Oct 3 - Sat, Oct 10
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$552 Roundtrip, found 4 days ago
$552
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sat, Oct 3 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, Oct 10, priced at $552 found 4 days ago
Fri, Oct 16 - Fri, Oct 23
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$554 Roundtrip, found 6 days ago
$554
Roundtrip
found 6 days ago
Select Icelandair flight, departing Fri, Oct 16 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Fri, Oct 23, priced at $554 found 6 days ago
Wed, Nov 18 - Sat, Nov 28
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$563 Roundtrip, found 17 hours ago
$563
Roundtrip
found 17 hours ago
Select Icelandair flight, departing Wed, Nov 18 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, Nov 28, priced at $563 found 17 hours ago
Mon, Aug 10 - Fri, Aug 28
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$565 Roundtrip, found 14 hours ago
$565
Roundtrip
found 14 hours ago
Select Icelandair flight, departing Mon, Aug 10 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Fri, Aug 28, priced at $565 found 14 hours ago
Fri, Sep 18 - Fri, Oct 2
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$565 Roundtrip, found 2 days ago
$565
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Sep 18 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Fri, Oct 2, priced at $565 found 2 days ago
Tue, Jun 2 - Mon, Jun 8
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$574 Roundtrip, found 1 hour ago
$574
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Tue, Jun 2 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Jun 8, priced at $574 found 1 hour ago
Fri, Jul 24 - Tue, Jul 28
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$577 Roundtrip, found 7 hours ago
$577
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Fri, Jul 24 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Jul 28, priced at $577 found 7 hours ago
Tue, Sep 1 - Sun, Sep 6
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$577 Roundtrip, found 3 days ago
$577
Roundtrip
found 3 days ago
Select Icelandair flight, departing Tue, Sep 1 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Sep 6, priced at $577 found 3 days ago
Thu, Sep 17 - Tue, Sep 22
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$588 Roundtrip, found 6 hours ago
$588
Roundtrip
found 6 hours ago
Select Icelandair flight, departing Thu, Sep 17 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 22, priced at $588 found 6 hours 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.