Icelandair Flight 623 Deals & Information (2026/2027)

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Icelandair Flight 623 Route Deals From $459

The cheapest prices found with in the last 7 days for return flights were $557 and $459 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 2 - Thu, Oct 8
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$557 Roundtrip, found 2 days ago
$557
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Oct 2 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Oct 8, priced at $557 found 2 days ago
Wed, Nov 4 - Wed, Dec 9
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$569 Roundtrip, found 1 day ago
$569
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Nov 4 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Dec 9, priced at $569 found 1 day ago
Thu, Oct 1 - Sun, Oct 11
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$580 Roundtrip, found 3 days ago
$580
Roundtrip
found 3 days ago
Select Icelandair flight, departing Thu, Oct 1 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 11, priced at $580 found 3 days ago
Tue, Sep 8 - Sun, Sep 13
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$583 Roundtrip, found 3 hours ago
$583
Roundtrip
found 3 hours ago
Select Icelandair flight, departing Tue, Sep 8 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Sep 13, priced at $583 found 3 hours ago
Thu, Sep 10 - Sun, Sep 13
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$594 Roundtrip, found 3 hours ago
$594
Roundtrip
found 3 hours ago
Select Icelandair flight, departing Thu, Sep 10 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Sep 13, priced at $594 found 3 hours ago
Tue, Aug 4 - Sun, Aug 16
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$595 Roundtrip, found 1 day ago
$595
Roundtrip
found 1 day ago
Select Icelandair flight, departing Tue, Aug 4 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Aug 16, priced at $595 found 1 day ago
Sun, Nov 15 - Thu, Nov 19
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$598 Roundtrip, found 5 days ago
$598
Roundtrip
found 5 days ago
Select Icelandair flight, departing Sun, Nov 15 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Nov 19, priced at $598 found 5 days ago
Wed, Jul 22 - Tue, Jul 28
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$612 Roundtrip, found 14 hours ago
$612
Roundtrip
found 14 hours ago
Select Icelandair flight, departing Wed, Jul 22 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Jul 28, priced at $612 found 14 hours ago
Wed, Aug 5 - Wed, Aug 12
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$620 Roundtrip, found 4 days ago
$620
Roundtrip
found 4 days ago
Select Icelandair flight, departing Wed, Aug 5 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Aug 12, priced at $620 found 4 days ago
Wed, Jul 22 - Sun, Jul 26
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$624 Roundtrip, found 2 hours ago
$624
Roundtrip
found 2 hours ago
Select Icelandair flight, departing Wed, Jul 22 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Jul 26, priced at $624 found 2 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.