£28 Find Cheap Flights from Southampton to Belfast – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Southampton to Belfast departing on 27/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
£41
Typical prices: £56-£108
easyJet
Sun 27/9Mon 28/9
SOU - BFS • Direct
Cheapest one-way flight
£25
Typical prices: £41-£58
easyJet
Sun 27/9
SOU - BFS • Direct
Top airlines
Cheapest • from £41 (return)
Best reviews • 7.3 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
You can fly direct with Aer Lingus and easyJet. Average duration is 1h 32m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest • 18% average savings
Most popular
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 5 weeks in advance save around 18% compared to booking last minute.
Insights
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Flight Deals

Cheap Flights from Southampton to Belfast (SOU-BHD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Southampton to Belfast that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Southampton to Belfast

Sun, 27 Sep - Mon, 28 Sep
easyJet Logo
12:35 - 13:50
SOU
-
BFS
1h 15mdirect
easyJet Logo
10:35 - 11:50
BFS
-
SOU
1h 15mdirect
£41easyJet
Sun, 11 Oct - Mon, 12 Oct
easyJet Logo
12:35 - 13:50
SOU
-
BFS
1h 15mdirect
easyJet Logo
10:35 - 11:50
BFS
-
SOU
1h 15mdirect
£42easyJet
Sun, 4 Oct - Sun, 18 Oct
easyJet Logo
12:35 - 13:50
SOU
-
BFS
1h 15mdirect
easyJet Logo
10:50 - 12:05
BFS
-
SOU
1h 15mdirect
£44easyJet
Sun, 27 Sep - Mon, 28 Sep
easyJet Logo
12:35 - 13:50
SOU
-
BFS
1h 15mdirect
easyJet Logo
10:35 - 11:50
BFS
-
SOU
1h 15mdirect
£44easyJet
Mon, 24 Aug - Mon, 31 Aug
Aer Lingus Logo
16:15 - 17:50
SOU
-
BHD
1h 35mdirect
Aer Lingus Logo
06:40 - 08:25
BHD
-
SOU
1h 45mdirect
£75Aer Lingus
Tue, 11 Aug - Sat, 15 Aug
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
Aer Lingus Logo
17:30 - 19:10
BHD
-
SOU
1h 40mdirect
£76Aer Lingus
Sat, 15 Aug - Mon, 17 Aug
Aer Lingus Logo
19:40 - 21:15
SOU
-
BHD
1h 35mdirect
Aer Lingus Logo
06:40 - 08:25
BHD
-
SOU
1h 45mdirect
£77Aer Lingus
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
20:40 - 12:15
SOU
-
BFS
15h 35m
2 stops
Multiple Airlines Logo
10:35 - 11:50
BFS
-
SOU
1h 15mdirect
£112Multiple Airlines
Sun, 27 Sep - Mon, 28 Sep
Multiple Airlines Logo
12:35 - 13:50
SOU
-
BFS
1h 15mdirect
Multiple Airlines Logo
18:50 - 12:50
BFS
-
SOU
18h 00m
2 stops
£114Multiple Airlines
Thu, 1 Oct - Sun, 4 Oct
Multiple Airlines Logo
11:40 - 14:55
SOU
-
BHD
3h 15m
1 stop
Multiple Airlines Logo
06:40 - 08:25
BHD
-
SOU
1h 45mdirect
£127Multiple Airlines
Booking Insights

KAYAK’s insights & trends for Southampton to Belfast flights

Get data-powered insights and trends into flights from Southampton to Belfast to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Southampton to Belfast?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Southampton to Belfast departing in September.

Flight prices are below average for this route right now.

Flights to Belfast from Southampton usually cost between £92 and £176 in September.
The lowest price found in the past 5 days was £41 on easyJet (27 Sept–28 Sept).

What is the cheapest Southampton to Belfast flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Southampton to Belfast costs £56 on the route between Southampton (SOU) and Belfast Intl Airport (BFS). Over the past month, flights between Southampton (SOU) and Belfast City Airport (BHD) were, on average, 18% cheaper than other Southampton-Belfast routes. This is also the most popular route.

What’s the cheapest day of the week to fly from Southampton to Belfast?

The average price of all round-trip flights from Southampton to Belfast clicked on KAYAK for each day over the last 12 months.

When flying from Southampton to Belfast, you should consider leaving on a Saturday and avoid Wednesdays if you are looking for the best rates. For your return to Southampton, you’ll find the best rates on Mondays and the most expensive ones on Fridays.

What is the cheapest month to fly from Southampton to Belfast?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Southampton to Belfast, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Southampton to Belfast is September, where tickets cost £101 (return) on average. On the other hand, the most expensive months are December and August, where the average cost of round-trip tickets is £161 and £149 respectively.

How far in advance should I book a flight from Southampton to Belfast?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Southampton to Belfast, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Southampton to Belfast, you should book around 5 weeks before departure, which saves you about 18% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Expert advice

Expert advice for your flight from Southampton to Belfast

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Aer Lingus

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialising in airline interiors and regulations. 10 years ago, she pivoted to journalism. She shares her insights in leading aviation, travel and business publications and on her site, FlightChic.

Blane Bachelor

Blane Bachelor

Expert on easyJet

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Good to know - Cheap tickets from Southampton to Belfast

Cheapest flight

£28
Flight from Southampton to Belfast Intl Airport

When to book flights from Southampton to Belfast

Are your dates flexible? Find out the best times to travel from Southampton to Belfast based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Southampton to Belfast

  • What is the cheapest flight from Southampton to Belfast?

    In the last 5 days, the lowest price for a flight from Southampton to Belfast was £25 for a one-way ticket and £41 for a return.

  • Which airports will I be using when flying from Southampton to Belfast?

    Southampton is served by only 1 airport and there are 2 airports in Belfast. You will leave Southampton from Southampton Eastleigh and you will be arriving in Belfast at one of these airports: Belfast Intl or Belfast City.

  • Which aircraft models fly most regularly from Southampton to Belfast?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Southampton to Belfast?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Southampton to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Southampton to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Southampton is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Southampton to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast with an airline and back to Southampton with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Southampton to Belfast?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Southampton up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Southampton to Belfast?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Southampton Eastleigh to Belfast.
Find which airlines fly direct from Southampton Eastleigh Airport to Belfast, which days they fly and book direct flights.

Direct departures

Southampton Eastleigh to Belfast

Monday

Aer Lingus,easyJet

Aer Lingus,easyJet

Tuesday

Aer Lingus

Aer Lingus

Wednesday

Aer Lingus

Aer Lingus

Thursday

Aer Lingus

Aer Lingus

Friday

Aer Lingus,easyJet

Aer Lingus,easyJet

Saturday

Aer Lingus,easyJet

Aer Lingus,easyJet

Sunday

Aer Lingus,easyJet

Aer Lingus,easyJet

See more direct flights

Direct returns

Belfast to Southampton Eastleigh

Monday

Aer Lingus,easyJet

Aer Lingus,easyJet

Tuesday

Aer Lingus

Aer Lingus

Wednesday

Aer Lingus

Aer Lingus

Thursday

Aer Lingus

Aer Lingus

Friday

Aer Lingus,easyJet

Aer Lingus,easyJet

Saturday

Aer Lingus,easyJet

Aer Lingus,easyJet

Sunday

Aer Lingus,easyJet

Aer Lingus,easyJet

See more direct flights

Reviews of the top airlines flying from Southampton to Belfast

 
See real verified KAYAK customer reviews for airlines flying from Southampton to Belfast. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Southampton to Belfast? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.3
Aer LingusOverall score based on 1682 reviews
7.0Entertainment
7.2Comfort
7.4Boarding
6.7Food
8.1Crew
Airline reviews

Aer Lingus App never showed the gate and the board did not update until very close to the time the gate was due to close. Both planes departed late but no announcement was made which would have saved a run for the gate.

6.0 GoodScott, Jun 2026
MAN - DUB
Read more Aer Lingus reviews

Aer Lingus App never showed the gate and the board did not update until very close to the time the gate was due to close. Both planes departed late but no announcement was made which would have saved a run for the gate.

delayed flight stayed whole night at washington Dallas airport at seats , uncomfortable . i am senior citizen , very tired , worst travel.

Like getting a bus. No great luxury but will get you there

Got us to destination alive, albeit a bit late. Luggage was left behind. No live tracking app available (available on some other airlines). Supposedly going to be delivered in next couple of days.

The connection time between the regional flight (from Newcastle) to an international flight (to The States) was too short. To require as second security scan and customs clearance within an hour and 20 mins is not enough time to make the actual connection. We had a final boarding call the minute we walked out of US customs and had to sprint (with two small children) through 20 gates to make it in time before the door closed. The concept is great in theory to clear customs before leaving Europe, but the timing needs to be adjusted. We travel abroad frequently and won’t be using this route again. Thanks.

I had zero issues with the flight. I did have issues with the staff at the airport. We missed out flight due to a delay with another airline. Talking to the staff and trying to get a new flight arranged was challenging. One guy was able to try to help us and got us on a new flight, but other staff was dismissive and clearly let us know it wasn’t their problem. All I kept thinking was… this is why air lingus has such a poor customer service reputation. I will be avoiding this airline in the future.

I liked that I went thru customs in Dublin instead of having to do that in LA.

I was pleasantly surprised and enjoyed the services of the airline since flying is not my favorite thing. My goal was to be with my brother's family in Manchester after his death. All staff was helpful, the food appreciated since I selected an overnight flight. Every aspect of the experience was comforting. I plan to return to Manchester in order to attend my brother's funeral in October and hope that I am able to find a reasonable priced flight. Thank you

Baggage fees are deceptive! When I booked this flight, I purchased two tickets and had indicated that I wanted one checked bag. That increased the ticket price by about $100 PER TICKET!. When we went to check in, I was told that I could only check ONE bag, even though I had purchased TWO tickets. I had to pay an additional $50 each way for my wife’s bag. In my opinion, I paid twice for her bag.

As four hour wait with no explanation as to why the delay Very unacceptable

There was no useful information given regarding the flight back to the UK from Tenerife. This despite the week publicised problems around the EES system and the delays caused to boarding. This aspect of the customer experience could have been much better.

Fast boarding, smooth takeoff and landing. plenty of space in seats. Excellent air-conditioning on a hot day. Perfect experience

It was transportation nothing more. I will give a positive rating over Ryanair. We missed our Ryanair flight the night before and received rude and unconcerned treatment from the Ryanair customer service. It was late. We were very tired and stressed after doing our best to get to the airport. The so called customer service ladies were completely unconcerned from the start. Aside from that, the flight to London seemed to be their opportunity for advertising. No time to relax as attendants were constantly in the aisle selling. I will never fly Ryanair again!!

We accidentally purchased twice the bags we needed. Our fault, but the ticket was not clear to us, and it asked us to purchase bags at checkin. When we notified them to get credit back at the airport, they said to contact customer service. We flew the flight and then contracted customer service. They said no credits after the flight has flown. Not customer service oriented at all. They know we didn’t check that many bags and kept our money for a service they did not provide. Be aware and very careful of what you are purchasing from them because they will not make it right if there is an error.

Be sure to check bags for 23 kg,.(50 lbs) Coming from US I chose the wrong size luggage weight when I checked in on my phone, and had to pay more when I dropped it off

The on board air steward really made the journey. He was very entertaining

I was disappointed there was a 40 minute delay to flight

The trip itself was good. I have given only good as rating, because my first flight has been cancelled by a different airline and that caused disruption in my trip. I spent over ten hours in Luton airport and that caused me high tiredness, sickness, because of the very early initial trip. easyJet staff has been professional and friendly.

3 hours delayed Don’t understand why when you have paid for ‘speedy boarding’ they call you forward to then make you stand fir another 20 minutes in a confined space before boarding the plane.

Delayed and ketone runway. Was told some nonsense about thunderstorms slowing down flights. Why not just come out and tell customers NATO and BRITISH FORCES were doing defence exercises and were in control of AIR SPACE.

Everything you need to know for your flight from Southampton to Belfast

Information on your arrival and departure airports