Cheapest return flights from Newark to Keflavik in September from 279€
AirHint found the following cheapest return flights from Newark (EWR) to Keflavik (KEF)
in September 2025 (see full year ).
Return flights
15 Sep
- 15 Oct
Icelandair
279 €
direct
22 Sep
- 01 Oct
Icelandair
279 €
direct
25 Sep
- 01 Oct
Icelandair
280 €
direct
09 Sep
- 15 Sep
Icelandair
281 €
direct
02 Sep
- 09 Sep
Icelandair
290 €
direct
05 Sep
- 12 Sep
Icelandair
290 €
direct
11 Sep
- 18 Sep
Icelandair
290 €
direct
14 Sep
- 21 Sep
Icelandair
290 €
direct
12 Sep
- 14 Sep
Icelandair
290 €
direct
18 Sep
- 22 Sep
Icelandair
290 €
direct
11 Sep
- 15 Sep
Icelandair
290 €
direct
03 Sep
- 08 Sep
Icelandair
290 €
direct
14 Sep
- 18 Sep
Icelandair
290 €
direct
21 Sep
- 04 Oct
Icelandair
375 €
direct
27 Sep
- 11 Oct
Austrian Airlines
391 €
26 Sep
- 04 Oct
Lufthansa
467 €
28 Sep
- 03 Oct
United
468 €
23 Sep
- 07 Oct
Lufthansa
582 €
28 Sep
- 08 Oct
TAP
728 €
26 Sep
- 04 Oct
Icelandair
741 €
direct
Also check the deals for one-way flights from Newark to Keflavik in September .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
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