AirHint found the following cheapest return flights from Delhi (DEL) to London (LHR) in April 2026 (see full year).

Return flights

01 Apr - 24 Apr	Finnair
14 Apr - 23 Apr	Finnair
24 Apr - 09 May	Etihad Airways
23 Apr - 02 May	Etihad Airways
23 Apr - 26 Apr	Etihad Airways
30 Apr - 12 May	Etihad Airways
07 Apr - 08 Apr	Saudia
03 Apr - 25 Apr	Finnair
08 Apr - 21 Apr	Finnair
17 Apr - 03 May	Finnair
21 Apr - 28 Apr	Finnair
08 Apr - 15 Apr	Finnair
07 Apr - 20 Apr	Finnair
21 Apr - 25 May	Finnair
01 Apr - 30 Apr	Air India
18 Apr - 03 May	Finnair
30 Apr - 12 May	Air India	direct
23 Apr - 02 May	Air India	direct
21 Apr - 25 May	Air India	direct
17 Apr - 03 May	Air India	direct

Also check the deals for one-way flights from Delhi to London 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 Delhi to London in April from $542

Return flights