Cheapest Ryanair flights London to Belfast from £15

Best time to book flights for London (STN) to Belfast (BFS) flights with Ryanair at AirHint

We have prepared for you the list of the cheapest deals for Ryanair flight from London (STN) to Belfast (BFS) by the month of departure.

Cheapest flights for April 2025

Departure date Cheapest price
23 Apr 2025 £ 15 Book Now
22 Apr 2025 £ 15 Book Now
21 Apr 2025 £ 15 Book Now
20 Apr 2025 £ 15 Book Now
19 Apr 2025 £ 15 Book Now

Cheapest flights for May 2025

Departure date Cheapest price
11 May 2025 £ 15 Book Now
10 May 2025 £ 15 Book Now
07 May 2025 £ 15 Book Now
05 May 2025 £ 15 Book Now
04 May 2025 £ 15 Book Now

Cheapest flights for June 2025

Departure date Cheapest price
15 Jun 2025 £ 15 Book Now
14 Jun 2025 £ 15 Book Now
08 Jun 2025 £ 15 Book Now
07 Jun 2025 £ 15 Book Now
02 Jun 2025 £ 15 Book Now

Cheapest flights for July 2025

Departure date Cheapest price
03 Jul 2025 £ 18 Book Now
06 Jul 2025 £ 19 Book Now
09 Jul 2025 £ 19 Book Now
10 Jul 2025 £ 19 Book Now
30 Jul 2025 £ 19 Book Now

Cheapest flights for August 2025

Departure date Cheapest price
10 Aug 2025 £ 17 Book Now
11 Aug 2025 £ 18 Book Now
14 Aug 2025 £ 18 Book Now
13 Aug 2025 £ 19 Book Now
27 Aug 2025 £ 19 Book Now

Cheapest flights for September 2025

Departure date Cheapest price
02 Sep 2025 £ 21 Book Now
06 Sep 2025 £ 21 Book Now
08 Sep 2025 £ 21 Book Now
09 Sep 2025 £ 21 Book Now
11 Sep 2025 £ 21 Book Now

Cheapest flights for October 2025

Departure date Cheapest price
12 Oct 2025 £ 22 Book Now
13 Oct 2025 £ 22 Book Now
21 Oct 2025 £ 22 Book Now
01 Oct 2025 £ 23 Book Now
02 Oct 2025 £ 23 Book Now

Cheapest flights for November 2025

Departure date Cheapest price
01 Nov 2025 £ 23 Book Now
03 Nov 2025 £ 23 Book Now
06 Nov 2025 £ 23 Book Now
10 Nov 2025 £ 23 Book Now
11 Nov 2025 £ 24 Book Now

Cheapest flights for December 2025

Departure date Cheapest price
01 Dec 2025 £ 27 Book Now
02 Dec 2025 £ 27 Book Now
03 Dec 2025 £ 27 Book Now
04 Dec 2025 £ 27 Book Now
05 Dec 2025 £ 27 Book Now

Cheapest flights for January 2026

Departure date Cheapest price
05 Jan 2026 £ 27 Book Now
04 Jan 2026 £ 27 Book Now
03 Jan 2026 £ 27 Book Now
02 Jan 2026 £ 27 Book Now
01 Jan 2026 £ 27 Book Now

Cheapest flights for February 2026

Departure date Cheapest price
11 Feb 2026 £ 27 Book Now
10 Feb 2026 £ 27 Book Now
05 Feb 2026 £ 27 Book Now
04 Feb 2026 £ 27 Book Now
03 Feb 2026 £ 27 Book Now

Cheapest flights for March 2026

Departure date Cheapest price
11 Mar 2026 £ 27 Book Now
10 Mar 2026 £ 27 Book Now
05 Mar 2026 £ 27 Book Now
04 Mar 2026 £ 27 Book Now
03 Mar 2026 £ 27 Book Now

The deals are updated by AirHint regularly. Please keep in mind that the price may go up as tickets are purchased by other travellers. Only the cheapest one-way flights are offered. Book fast to secure these cheap Ryanair prices.

Ryanair deals from London to all destinations

Ryanair deals from Belfast to all destinations