Cheapest return flights from Chicago to Keflavik in March from 567€

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 March 2025 (see full year).

Return flights

17 Mar - 24 Mar Icelandair direct
18 Mar - 25 Mar Icelandair direct
25 Mar - 01 Apr Icelandair direct
19 Mar - 26 Mar Icelandair direct
26 Mar - 02 Apr Icelandair direct
27 Mar - 03 Apr Icelandair direct
15 Mar - 16 Mar jetBlue
09 Mar - 13 Mar Icelandair direct
28 Mar - 04 Apr Icelandair direct
13 Mar - 19 Mar Icelandair direct
01 Mar - 07 Mar Icelandair direct
30 Mar - 03 Apr Icelandair direct
20 Mar - 27 Mar Icelandair direct
15 Mar - 21 Mar Icelandair direct
08 Mar - 10 Mar Frontier Airlines
31 Mar - 03 Apr Icelandair direct

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

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik