AirHint found the following cheapest one-way flights from Chicago (ORD) to Keflavik (KEF) in July 2026 (see full year).
One-Way flights
| 17 Jul | Frontier Airlines | ||
| 13 Jul | WestJet | ||
| 26 Jul | Sun Country Airlines | ||
| 01 Jul | Icelandair | direct | |
| 02 Jul | WestJet | ||
| 26 Jul | Icelandair | direct | |
| 02 Jul | United | direct |
Also check the deals for return flights from Chicago to Keflavik in July.
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