Cheapest return flights from Chicago to Keflavik in April from 413€

Best time to book flights for Chicago (ORD) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Keflavik (KEF) in April 2025 (see full year).

Return flights

29 Apr - 05 May Spirit Airlines
02 Apr - 08 Apr Spirit Airlines
29 Apr - 09 May Spirit Airlines
01 Apr - 07 Apr jetBlue
07 Apr - 15 Apr Frontier Airlines
30 Apr - 08 May Spirit Airlines
30 Apr - 06 May Spirit Airlines
29 Apr - 08 May Spirit Airlines
10 Apr - 16 Apr Frontier Airlines
07 Apr - 14 Apr Frontier Airlines
08 Apr - 14 Apr jetBlue
09 Apr - 16 Apr Spirit Airlines
02 Apr - 06 Apr Spirit Airlines
02 Apr - 11 Apr Spirit Airlines
02 Apr - 12 Apr Spirit Airlines
28 Apr - 04 May jetBlue
28 Apr - 08 May jetBlue
21 Apr - 01 May Spirit Airlines
25 Apr - 03 May jetBlue
29 Apr - 05 May Icelandair direct

Also check the deals for one-way flights from Chicago to Keflavik in April.

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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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