AirHint found the following cheapest return flights from Burbank (BUR) to London (LHR) in September 2025 (see full year).

Return flights

26 Sep - 17 Oct	American Airlines
25 Sep - 29 Sep	American Airlines
24 Sep - 08 Oct	Finnair
29 Sep - 03 Oct	jetBlue
15 Sep - 11 Oct	jetBlue
11 Sep - 18 Sep	Finnair
09 Sep - 04 Oct	Finnair
13 Sep - 04 Oct	Finnair
16 Sep - 21 Sep	jetBlue
28 Sep - 18 Oct	jetBlue
06 Sep - 20 Sep	jetBlue
06 Sep - 09 Oct	jetBlue
13 Sep - 20 Sep	Finnair
24 Sep - 15 Oct	Finnair
06 Sep - 27 Sep	jetBlue
07 Sep - 14 Sep	KLM
21 Sep - 23 Sep	jetBlue
10 Sep - 12 Sep	jetBlue
06 Sep - 21 Sep	Finnair

Also check the deals for one-way flights from Burbank to London in September.

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 Burbank to London in September from $651

Return flights