Flight deals from Southampton to Belfast

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Southampton to Belfast

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  • 20 27
  • May

    27 4
  • 4 11
  • 11 18
  • 18 25
  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
  • 22 29
  • Jul

    29 6
  • 6 13
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Southampton to Belfast

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

FAQ

  • When are flight tickets from Southampton (SOU) to Belfast (BFS) the cheapest?

    Airlines adjust prices for flights from Southampton to Belfast based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Southampton (SOU) to Belfast (BFS) cost?

    According to Trip.com's data, the lowest price is around £143.
  • How long is the flight from Southampton (SOU) to Belfast (BFS)?

    It takes about 1 hour 34 minutes to fly from Southampton (SOU) to Belfast (BFS).
  • What are the most popular airlines that fly from Southampton (SOU) to Belfast (BFS)?

    Airlines with flights from Southampton (SOU) to Belfast (BFS): Aer Lingus, British Airways and easyJet.
  • How many airports in Belfast (BFS)?

    There are 2 airport(s) in Belfast (BFS): Belfast International Airport and George Best Belfast City Airport.

How to find a cheap flight from Southampton to Belfast

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Southampton to Belfast. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest flight from Southampton to Belfast.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Southampton to Belfast over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Fri, Jun 13, with one-way flights priced at just £17.
2
Compare cheap flight deals from Southampton to Belfast across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Southampton to Belfast. The cheapest airline for this route is easyJet.
3
Set up a Price Alert
By setting up a Price Alert for your journey from Southampton to Belfast, you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from Southampton to Belfast.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Southampton to Belfast and snag some exclusive deals just for you.

Flight Information from Southampton to Belfast

Cheapest one-way flight price £17
Cheapest return ticket price £39
Off-season travel month March
Peak season for travel January
Flight distance 507.04km
Average flight time 1 hour 34 minutes
Popular airline British Airways

Flight from Southampton to Belfast

Belfast which means, “mouth of the sand-bank ford” in Irish, is so named as the city was settled around the sandbars at the confluence of the rivers, the Lagan and Farset, it’s tributary. Belfast is the capital and the biggest city of Northern Ireland. During the industrial revolution, it developed as the biggest linen producer in the world and was called “Linenopolis”. Belfast thrived as a centre for rope-making, tobacco, heavy engineering and shipbuilding. The Harland and Wolff shipyard built the famous ocean liner Titanic and was the world’s biggest shipyard. The city rests in shadow of hills which were the inspiration for Gulliver’s Travels by Jonathan Swift, a resident of Belfast

An enthralling history, superb Victorian architecture, noteworthy museums and parks and a must-see Titanic Quarter await your visit to Belfast.

Tip: With the city’s parks and gardens blossoming in spring, April is the best time to visit Belfast.

Travelling to Belfast 

Belfast is well connected to cities in the UK and other international destinations. The George Best Belfast City Airport (BFS) lies adjacent to the port of Belfast and is 5 kilometres (3 miles) from the City centre. Southampton to Belfast flights normally take an hour and 25 minutes. Flybe Airlines operates daily direct flights to Belfast. British Airways, KLM and Air France also operate flights to Belfast.

Tip: You can save big if flight bookings are made 90 days in advance.

Top Tourist Attractions in Belfast

Titanic Belfast, the gleaming angular star-shaped structure representing the White Star Line logo, sits where Titanic was built and has various exhibits along with a multimedia extravaganza which charts Belfast’s maritime history. A tour through the dry dock and the SS Nomadic, the tender to the Titanic, showcase its rich shipbuilding history.

The Ulster Museum with its Spanish Armada Room, the Egyptian mummy room, the Early People’s gallery with Neolithic stone axes, the Nature zone with fossils and various other modern masterpieces as exhibits, is a must-see.

Nature lovers can visit the Botanical Garden having one of the oldest glasshouses and also experience the diverse flora and fauna from across the globe. Giant’s Causeway and The Cave Hill Country Park, a reserve with natural caves, are prominent for trekking and give a panoramic view of the city.

Tip: The Black Cab tours and the Game of Thrones tour cover most of these places.

Shopping, Dining and Where to Stay 

Indulge in some retail therapy in Donegall place (across the city hall), Castle Court and Victoria Square in the City centre area. Visiting St Georges Market, a century-old indoor market, selling everything from fresh produce to arts and crafts, is an experience in itself.

Cafes and restaurants at the City centre offer the local flavour in seafood, traditional highland bakes and the quintessential Irish coffee. You can also visit other markets and delis selling the local produce, jams and jellies.

Boarding and Lodging in Belfast are best at Cathedral Quarters which has old-style lodges with Bed and Breakfast accommodations and hotels across the price spectrum.

If you want to make a Southampton-Belfast flight booking, Trip.com provides great options for cheap flights from Southampton. Also, explore attractive discounts on their hotel bookings, too. Make your Belfast visit memorable with Trip.com

Cafes and restaurants at the City centre offer the local flavour in seafood, traditional highland bakes and the quintessential Irish coffee. You can also visit other markets and delis selling the local produce, jams and jellies.  Finally, a wrap up with a pub crawl to get a Traditional Irish Pub experience is a must. Boarding and Lodging in Belfast are best at Cathedral quarters which has old-style lodges with Bed and Breakfast accommodations and hotels across the price spectrum.

If you want to make a Southampton-Belfast flight booking, Trip.com provides great options for cheap flights from Southampton. Also, explore attractive discounts on their hotel booking too. Make your Belfast visit memorable with Trip.com