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

Return flights

01 Sep - 06 Sep	easyJet	direct
04 Sep - 06 Sep	easyJet	direct
08 Sep - 09 Sep	easyJet	direct
03 Sep - 06 Sep	easyJet	direct
01 Sep - 08 Sep	easyJet	direct
24 Sep - 30 Sep	easyJet	direct
04 Sep - 09 Sep	easyJet	direct
05 Sep - 06 Sep	easyJet	direct
05 Sep - 09 Sep	easyJet	direct
13 Sep - 15 Sep	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 $46

Return flights