London to Belfast flights: the cheapest month to fly
£15one-way
Wed 9 Dec
Ryanair UK, direct, Stansted to Belfast International, 1 h 20 min
See flights for Wed 9 Dec on Aviasales: London to Belfast, Wed 9 Dec, Ryanair UK, directOpens the live search on Aviasales. A fare travellers found, not a live quote.
Each fold is a month; its height is the lowest one-way fare found. Coral is the cheapest; "none" means no fare was found.
Fare by month
tap a month; none = no fare foundCheapest found: Wed 9 Dec, £15, Ryanair UK, direct from Stansted. Tap a month to see its days.
The cheapest one-way fare found from London to Belfast is £15, for a flight from Stansted in Dec 2026; the priciest month in the next ten, May 2027, shows £42. All are fares found in recent searches, not live quotes.
All 4 months with a fare have a direct flight, usually about 1 h 20 min in the air. The cheapest month is close to the usual fare (median £16); the priciest, May 2027, is 163% above it. Monthly lows come most often from easyJet (2 months), Ryanair (1) and Ryanair UK (1); the £15 cheapest month is Ryanair UK.
Every month
- November 2026Wed 25 Nov, Ryanair, direct, Stansted to Belfast International, 1 h 20 min£16Search Wed 25 Nov on Aviasales: London to Belfast, Ryanair, direct
- December 2026Wed 9 Dec, Ryanair UK, direct, Stansted to Belfast International, 1 h 20 min£15Search Wed 9 Dec on Aviasales: London to Belfast, Ryanair UK, direct
- January 2027Sun 24 Jan, easyJet, direct, Southend to George Best Belfast City, 1 h 30 min£16Search Sun 24 Jan on Aviasales: London to Belfast, easyJet, direct
- February 2027: no fare foundSearch February 2027 on Aviasales: London to Belfast
- March 2027: no fare foundSearch March 2027 on Aviasales: London to Belfast
- April 2027: no fare foundSearch April 2027 on Aviasales: London to Belfast
- May 2027Tue 25 May, easyJet, direct, Stansted to Belfast International, 1 h 15 min£42Search Tue 25 May on Aviasales: London to Belfast, easyJet, direct
- June 2027: no fare foundSearch June 2027 on Aviasales: London to Belfast
- July 2027: no fare foundSearch July 2027 on Aviasales: London to Belfast
- August 2027: no fare foundSearch August 2027 on Aviasales: London to Belfast