Icelandair Flight 623 Deals & Information (2026/2027)

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Icelandair Flight 623 Route Deals From $433

The cheapest prices found with in the last 7 days for return flights were $452 and $433 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 3 - Sun, May 10
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$452 Roundtrip, found 6 days ago
$452
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sun, May 3 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, May 10, priced at $452 found 6 days ago
Mon, Mar 9 - Wed, Mar 25
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$492 Roundtrip, found 5 days ago
$492
Roundtrip
found 5 days ago
Select Icelandair flight, departing Mon, Mar 9 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Mar 25, priced at $492 found 5 days ago
Thu, Mar 12 - Sun, Mar 15
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$506 Roundtrip, found 6 days ago
$506
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Mar 12 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Mar 15, priced at $506 found 6 days ago
Tue, Apr 28 - Sat, May 2
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$521 Roundtrip, found 1 day ago
$521
Roundtrip
found 1 day ago
Select Icelandair flight, departing Tue, Apr 28 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, May 2, priced at $521 found 1 day ago
Wed, Feb 25 - Sun, Mar 1
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$521 Roundtrip, found 5 hours ago
$521
Roundtrip
found 5 hours ago
Select Icelandair flight, departing Wed, Feb 25 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Mar 1, priced at $521 found 5 hours ago
Sat, Jan 24 - Wed, Jan 28
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$522 Roundtrip, found 1 day ago
$522
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sat, Jan 24 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Jan 28, priced at $522 found 1 day ago
Tue, Mar 17 - Sun, Mar 22
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$524 Roundtrip, found 22 hours ago
$524
Roundtrip
found 22 hours ago
Select Icelandair flight, departing Tue, Mar 17 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Mar 22, priced at $524 found 22 hours ago
Thu, Mar 12 - Tue, Mar 17
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$524 Roundtrip, found 4 days ago
$524
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Mar 12 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Mar 17, priced at $524 found 4 days ago
Mon, Apr 20 - Sun, Apr 26
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$533 Roundtrip, found 1 hour ago
$533
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Mon, Apr 20 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Apr 26, priced at $533 found 1 hour ago
Sun, Oct 25 - Tue, Nov 10
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$534 Roundtrip, found 1 day ago
$534
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sun, Oct 25 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Nov 10, priced at $534 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.