AirHint found the following cheapest one-way flights from Chicago (ORD) to Lisbon (LIS) in July 2026 (see full year).
One-Way flights
| 31 Jul | Aer Lingus | ||
| 24 Jul | Virgin Atlantic | ||
| 16 Jul | Iberia | ||
| 15 Jul | SWISS | ||
| 01 Jul | Aer Lingus | ||
| 12 Jul | Iberia | ||
| 06 Jul | Iberia | ||
| 14 Jul | Aer Lingus | ||
| 24 Jul | TAP | direct | |
| 31 Jul | TAP | direct |
Also check the deals for return flights from Chicago to Lisbon in July.
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