Icelandair Flight FI623 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Icelandair Flight 623 Route Deals From $447

The cheapest prices found with in the last 7 days for return flights were $368 and $447 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 3 - Mon, Nov 10
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$368 Roundtrip, found 12 hours ago
$368
Roundtrip
found 12 hours ago
Select Icelandair flight, departing Mon, Nov 3 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Nov 10, priced at $368 found 12 hours ago
Tue, Nov 4 - Thu, Nov 13
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$396 Roundtrip, found 2 days ago
$396
Roundtrip
found 2 days ago
Select Icelandair flight, departing Tue, Nov 4 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Nov 13, priced at $396 found 2 days ago
Sat, Nov 15 - Mon, Dec 1
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$397 Roundtrip, found 19 hours ago
$397
Roundtrip
found 19 hours ago
Select Icelandair flight, departing Sat, Nov 15 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Dec 1, priced at $397 found 19 hours ago
Tue, Nov 4 - Wed, Nov 12
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$494 Roundtrip, found 2 days ago
$494
Roundtrip
found 2 days ago
Select Icelandair flight, departing Tue, Nov 4 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Wed, Nov 12, priced at $494 found 2 days ago
Mon, Nov 17 - Sat, Nov 29
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$495 Roundtrip, found 19 hours ago
$495
Roundtrip
found 19 hours ago
Select Icelandair flight, departing Mon, Nov 17 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Sat, Nov 29, priced at $495 found 19 hours ago
Fri, Nov 7 - Mon, Nov 10
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$510 Roundtrip, found 2 days ago
$510
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Nov 7 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Mon, Nov 10, priced at $510 found 2 days ago
Fri, Jan 16 - Thu, Jan 22
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$538 Roundtrip, found 6 days ago
$538
Roundtrip
found 6 days ago
Select Icelandair flight, departing Fri, Jan 16 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Jan 22, priced at $538 found 6 days ago
Fri, Nov 7 - Thu, Nov 13
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$539 Roundtrip, found 2 days ago
$539
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Nov 7 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Thu, Nov 13, priced at $539 found 2 days ago
Fri, Mar 20 - Tue, Mar 24
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$549 Roundtrip, found 1 day ago
$549
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, Mar 20 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Mar 24, priced at $549 found 1 day ago
Thu, Oct 23 - Tue, Oct 28
KEF
Keflavik Intl.
EWR
Newark Liberty Intl. Airport
$551 Roundtrip, just found
$551
Roundtrip
just found
Select Icelandair flight, departing Thu, Oct 23 from Keflavik Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 28, priced at $551 just found

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.