AirHint found the following cheapest return flights from Columbus (CMH) to Lisbon (LIS) in April 2026 (see full year).
Return flights
| 13 Apr - 22 Apr | United | ||
| 29 Apr - 07 May | Delta | ||
| 28 Apr - 05 May | Lufthansa | ||
| 22 Apr - 02 May | British Airways | ||
| 03 Apr - 09 Apr | Lufthansa |
Also check the deals for one-way flights from Columbus to Lisbon in April.
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