Icelandair Flight 623 Deals & Information (2026/2027)

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Icelandair Flight 623 Route Deals From $456

The cheapest prices found with in the last 7 days for return flights were $554 and $456 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 16 - Sat, Oct 24
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$554 Roundtrip, found 1 day ago
$554
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, Oct 16 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, Oct 24, priced at $554 found 1 day ago
Fri, Oct 2 - Thu, Oct 8
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$555 Roundtrip, found 1 day ago
$555
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, Oct 2 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Oct 8, priced at $555 found 1 day ago
Fri, Oct 9 - Tue, Oct 13
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$566 Roundtrip, found 8 hours ago
$566
Roundtrip
found 8 hours ago
Select Icelandair flight, departing Fri, Oct 9 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 13, priced at $566 found 8 hours ago
Thu, Feb 4 - Wed, Feb 10
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$567 Roundtrip, found 2 days ago
$567
Roundtrip
found 2 days ago
Select Icelandair flight, departing Thu, Feb 4 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 10, priced at $567 found 2 days ago
Fri, Sep 18 - Sat, Sep 26
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$569 Roundtrip, found 5 days ago
$569
Roundtrip
found 5 days ago
Select Icelandair flight, departing Fri, Sep 18 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, Sep 26, priced at $569 found 5 days ago
Tue, Aug 11 - Sat, Aug 15
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$569 Roundtrip, found 3 days ago
$569
Roundtrip
found 3 days ago
Select Icelandair flight, departing Tue, Aug 11 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $569 found 3 days ago
Wed, Nov 4 - Tue, Nov 10
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$578 Roundtrip, found 22 hours ago
$578
Roundtrip
found 22 hours ago
Select Icelandair flight, departing Wed, Nov 4 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Nov 10, priced at $578 found 22 hours ago
Wed, Dec 9 - Sun, Dec 13
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$578 Roundtrip, found 1 day ago
$578
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Dec 9 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Dec 13, priced at $578 found 1 day ago
Tue, Aug 11 - Mon, Aug 17
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$579 Roundtrip, found 23 hours ago
$579
Roundtrip
found 23 hours ago
Select Icelandair flight, departing Tue, Aug 11 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 17, priced at $579 found 23 hours ago
Fri, Sep 11 - Sun, Sep 20
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$581 Roundtrip, found 5 days ago
$581
Roundtrip
found 5 days ago
Select Icelandair flight, departing Fri, Sep 11 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Sep 20, priced at $581 found 5 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.