Icelandair Flight 623 Deals & Information (2026/2027)

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Icelandair Flight 623 Route Deals From $435

The cheapest prices found with in the last 7 days for return flights were $435 and $435 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 15 - Mon, Jan 19
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$435 Roundtrip, found 4 days ago
$435
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Jan 15 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Jan 19, priced at $435 found 4 days ago
Tue, Mar 17 - Sun, Mar 22
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$436 Roundtrip, found 4 days ago
$436
Roundtrip
found 4 days ago
Select Icelandair flight, departing Tue, Mar 17 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Mar 22, priced at $436 found 4 days ago
Thu, Apr 16 - Wed, Apr 22
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$437 Roundtrip, found 2 days ago
$437
Roundtrip
found 2 days ago
Select Icelandair flight, departing Thu, Apr 16 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Apr 22, priced at $437 found 2 days ago
Wed, Apr 1 - Thu, Apr 9
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$438 Roundtrip, found 2 days ago
$438
Roundtrip
found 2 days ago
Select Icelandair flight, departing Wed, Apr 1 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Apr 9, priced at $438 found 2 days ago
Mon, May 25 - Fri, May 29
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$450 Roundtrip, found 5 days ago
$450
Roundtrip
found 5 days ago
Select Icelandair flight, departing Mon, May 25 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Fri, May 29, priced at $450 found 5 days ago
Sun, May 3 - Sun, May 10
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$452 Roundtrip, found 1 day ago
$452
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sun, May 3 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, May 10, priced at $452 found 1 day ago
Sat, Jan 31 - Sun, Feb 8
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$454 Roundtrip, found 6 days ago
$454
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Jan 31 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sun, Feb 8, priced at $454 found 6 days ago
Tue, Mar 31 - Wed, Apr 8
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$457 Roundtrip, found 2 days ago
$457
Roundtrip
found 2 days ago
Select Icelandair flight, departing Tue, Mar 31 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Apr 8, priced at $457 found 2 days ago
Wed, Apr 1 - Wed, Apr 8
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$458 Roundtrip, found 2 days ago
$458
Roundtrip
found 2 days ago
Select Icelandair flight, departing Wed, Apr 1 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Apr 8, priced at $458 found 2 days ago
Mon, Apr 20 - Fri, Apr 24
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$478 Roundtrip, found 6 days ago
$478
Roundtrip
found 6 days ago
Select Icelandair flight, departing Mon, Apr 20 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Fri, Apr 24, priced at $478 found 6 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.