AirHint found the following cheapest one-way flights from London (LCY) to Porto (OPO) in April 2026 (see full year).
One-Way flights
| 24 Apr | Luxair | ||
| 17 Apr | Luxair | ||
| 28 Apr | KLM | ||
| 10 Apr | Luxair | ||
| 09 Apr | Luxair | ||
| 18 Apr | Luxair | ||
| 01 Apr | Luxair | ||
| 06 Apr | KLM | ||
| 11 Apr | KLM |
Also check the deals for return flights from London to Porto in April.
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