Icelandair Flight 623 Deals & Information (2026/2027)

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Icelandair Flight 623 Route Deals From $452

The cheapest prices found with in the last 7 days for return flights were $546 and $452 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 27 - Wed, Dec 2
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$546 Roundtrip, found 6 days ago
$546
Roundtrip
found 6 days ago
Select Icelandair flight, departing Fri, Nov 27 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Dec 2, priced at $546 found 6 days ago
Sat, Feb 20 - Fri, Feb 26
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$548 Roundtrip, found 2 days ago
$548
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sat, Feb 20 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Fri, Feb 26, priced at $548 found 2 days ago
Fri, Nov 13 - Mon, Nov 16
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$558 Roundtrip, found 3 days ago
$558
Roundtrip
found 3 days ago
Select Icelandair flight, departing Fri, Nov 13 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Nov 16, priced at $558 found 3 days ago
Sun, Nov 15 - Sat, Nov 21
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$560 Roundtrip, found 2 days ago
$560
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sun, Nov 15 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, Nov 21, priced at $560 found 2 days ago
Fri, Dec 4 - Mon, Dec 7
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$566 Roundtrip, found 9 hours ago
$566
Roundtrip
found 9 hours ago
Select Icelandair flight, departing Fri, Dec 4 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Dec 7, priced at $566 found 9 hours ago
Tue, Jun 16 - Tue, Jul 14
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$570 Roundtrip, found 3 days ago
$570
Roundtrip
found 3 days ago
Select Icelandair flight, departing Tue, Jun 16 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Jul 14, priced at $570 found 3 days ago
Fri, Sep 4 - Sun, Sep 13
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$571 Roundtrip, found 2 days ago
$571
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Sep 4 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Sep 13, priced at $571 found 2 days ago
Mon, Aug 10 - Tue, Aug 18
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$573 Roundtrip, found 2 days ago
$573
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Aug 10 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Aug 18, priced at $573 found 2 days ago
Tue, Aug 11 - Mon, Aug 17
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$579 Roundtrip, found 1 day ago
$579
Roundtrip
found 1 day ago
Select Icelandair flight, departing Tue, Aug 11 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 17, priced at $579 found 1 day ago
Tue, Jul 14 - Sat, Jul 18
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$579 Roundtrip, found 5 hours ago
$579
Roundtrip
found 5 hours ago
Select Icelandair flight, departing Tue, Jul 14 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, Jul 18, priced at $579 found 5 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.