AirHint found the following cheapest one-way flights from Chicago (MDW) to Lisbon (LIS) in July 2026 (see full year).
One-Way flights
| 20 Jul | Virgin Atlantic | ||
| 19 Jul | Delta | ||
| 25 Jul | Virgin Atlantic | ||
| 27 Jul | Delta | ||
| 28 Jul | Delta | ||
| 29 Jul | Virgin Atlantic | ||
| 26 Jul | Delta | ||
| 30 Jul | Delta | ||
| 31 Jul | Delta | ||
| 02 Jul | Delta |
Also check the deals for return flights from Chicago to Lisbon in July.
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