Cheapest return flights from Chicago to Keflavik in April from 361€
AirHint found the following cheapest return flights from Chicago (MDW) to Keflavik (KEF) in April 2025 (see full year).
Return flights
| 02 Apr - 06 Apr | Frontier Airlines | ||
| 07 Apr - 10 Apr | Frontier Airlines | ||
| 24 Apr - 03 May | Delta | ||
| 25 Apr - 02 May | Air France | ||
| 30 Apr - 07 May | KLM | ||
| 10 Apr - 13 Apr | Frontier Airlines | ||
| 24 Apr - 08 May | Air France |
Also check the deals for one-way flights from Chicago to Keflavik in April.
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.
