Cheapest one-way flights from Chicago to Keflavik in March from 188€

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

AirHint found the following cheapest one-way flights from Chicago (ORD) to Keflavik (KEF) in March 2025 (see full year).

One-Way flights

25 Mar Spirit Airlines
11 Mar Spirit Airlines
27 Mar Spirit Airlines
16 Mar Volaris
27 Mar Icelandair direct
25 Mar Icelandair direct
22 Mar Frontier Airlines
15 Mar Frontier Airlines
12 Mar TAP
21 Mar Frontier Airlines

Also check the deals for return 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.

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