AirHint found the following cheapest return flights from Bristol (BRS) to Belfast (BFS) in September 2025 (see full year).

Return flights

01 Sep - 05 Sep	easyJet	direct
03 Sep - 06 Sep	easyJet	direct
01 Sep - 06 Sep	easyJet	direct
02 Sep - 04 Sep	easyJet	direct
06 Sep - 13 Sep	easyJet	direct
27 Sep - 29 Sep	easyJet	direct
29 Sep - 30 Sep	easyJet	direct
09 Sep - 09 Sep	easyJet	direct
04 Sep - 09 Sep	easyJet	direct
20 Sep - 20 Sep	easyJet	direct
30 Sep - 01 Oct	easyJet	direct
29 Sep - 01 Oct	easyJet
29 Sep - 01 Oct	easyJet	direct

Also check the deals for one-way flights from Bristol to Belfast 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 Bristol to Belfast in September from 38€

Return flights