AirHint found the following cheapest return flights from London (STN) to Tehran (IKA) in April 2026 (see full year).

Return flights

21 Apr - 21 May	Pegasus Airlines
23 Apr - 21 May	Pegasus Airlines
29 Apr - 13 May	Pegasus Airlines
23 Apr - 14 May	Pegasus Airlines
14 Apr - 05 May	Pegasus Airlines
25 Apr - 10 May	Ryanair
12 Apr - 24 May	Ryanair
25 Apr - 09 May	AJet
07 Apr - 05 May	Ryanair
08 Apr - 22 Apr	Ryanair
11 Apr - 17 Apr	Ryanair
26 Apr - 31 May	Ryanair
01 Apr - 29 Apr	Ryanair
01 Apr - 11 Apr	Ryanair
01 Apr - 15 Apr	Ryanair

Also check the deals for one-way flights from London to Tehran in April.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Tehran in April from 291€

Return flights