Cheapest one-way flights from Chicago to Keflavik in March from 230€

AirHint found the following cheapest one-way flights from Chicago (ORD) to Keflavik (KEF) in March 2026 (see full year).

One-Way flights

24 Mar British Airways
04 Mar Aer Lingus
24 Mar Icelandair direct
04 Mar Icelandair direct
20 Mar jetBlue
20 Mar Icelandair direct

Also check the deals for return flights from Chicago to Keflavik in March.

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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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