Cheap flights from London Stansted Airport to Belfast from £29

The cheapest month to fly to Belfast from London Stansted Airport is in June. Flight prices, which tend to average around £14, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of June, then flying in December is also cheap. Prices for this month can be found on momondo for an average of £15.

The cheapest day to depart on your flight to Belfast is on a Tuesday when prices can be found for as low as £63. This is often the case because there is less demand to fly during this day of the week. Flights from London Stansted Airport to Belfast on a Friday will generally be more expensive and average around £85. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Belfast is in the morning when flights can be purchased for as low as £94. Flights to Belfast are more costly in the afternoon, with an average ticket price of £117. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Stansted to Belfast Intl for the best London Stansted - Belfast flight prices

You are more likely to see cheaper flights to Belfast from London Stansted Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast for around £69 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast from London Stansted Airport for as low as £48 on momondo.

There is only 1 cabin class available to choose from on London Stansted Airport to Belfast flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

easyJet and Ryanair are the most popular carriers operating from London Stansted to Belfast

Ryanair, easyJet and Ryanair are the top three most popular airlines that fly to Belfast from London Stansted Airport according to our data. Ryanair is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Belfast. Keep in mind that there are 3 different airlines that fly to Belfast on a routine basis, so you have a few additional options to choose from.

2 flights are operational daily from London Stansted Airport to Belfast as of June 2026. The most popular departure time for this route is 22:00, with 36% of flights per day taking off in the afternoon.

The number of flights available between London Stansted Airport and Belfast is 17 per week as of June 2026. The most frequent departure day is Mon, with 29% of weekly flights leaving on this day.