AirHint found the following cheapest return flights from Lucknow (LKO) to Delhi (DEL) in April 2026 (see full year).
Return flights
| 27 Apr - 09 May | Air India Express | direct | |
| 27 Apr - 15 May | Air India Express | direct |
Also check the deals for one-way flights from Lucknow to Delhi in April.
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