AirHint found the following cheapest one-way flights from Exeter (EXT) to Belfast (BHD) in September 2025 (see full year).

One-Way flights

27 Sep	Aer Lingus	direct
21 Sep	Aer Lingus	direct
17 Sep	Aer Lingus	direct
20 Sep	Aer Lingus	direct
16 Sep	Aer Lingus	direct
10 Sep	Aer Lingus	direct
09 Sep	Aer Lingus	direct
03 Sep	Aer Lingus	direct
14 Sep	Aer Lingus	direct
23 Sep	Aer Lingus	direct

Also check the deals for return flights from Exeter 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 one-way flights from Exeter to Belfast in September from 43€

One-Way flights