AirHint found the following cheapest one-way flights from London (LHR) to Tehran (IKA) in April 2026 (see full year).
One-Way flights
| 15 Apr | SWISS | ||
| 07 Apr | Eurowings | ||
| 17 Apr | British Airways | ||
| 11 Apr | British Airways | ||
| 13 Apr | KLM | ||
| 02 Apr | KLM | ||
| 05 Apr | British Airways |
Also check the deals for return flights from London to Tehran in April.
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