AirHint found the following cheapest return flights from Southend (SEN) to Belfast (BFS) in March 2026 (see full year).

Return flights

20 Mar - 22 Mar	easyJet
11 Mar - 15 Mar	easyJet
13 Mar - 15 Mar	easyJet
06 Mar - 08 Mar	easyJet
06 Mar - 09 Mar	easyJet
13 Mar - 16 Mar	easyJet
16 Mar - 19 Mar	easyJet
25 Mar - 30 Mar	easyJet
29 Mar - 02 Apr	easyJet
25 Mar - 29 Mar	easyJet
05 Mar - 16 Mar	easyJet
29 Mar - 05 Apr	easyJet

Also check the deals for one-way flights from Southend to Belfast in March.

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.

Book a cheap hotel in Belfast

Cheap car rent in Belfast

Cheapest return flights from Southend to Belfast in March from $229

Return flights