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Cheap flights from Southampton to Belfast City Airport from £37

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BHD
27 Jun — 4 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Southampton Eastleigh to Belfast City are usually found in November or September, booked 17 days in advance, depart on a Saturday or Thursday and return on a Sunday

Cheap flight deals from Southampton to Belfast City

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Belfast City
Explore the most affordable flight options available from Southampton to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 May 2026.

Mon 1/619:30
SOU
-
BHD
Nonstop1h 35m
Aer Lingus
Tue 30/606:40
BHD
-
SOU
Nonstop1h 45m
Aer Lingus
Deal found 25/5£68
Mon 1/619:30
SOU
-
BHD
Nonstop1h 35m
Aer Lingus
Mon 8/606:40
BHD
-
SOU
Nonstop1h 45m
Aer Lingus
Deal found 25/5£86
Wed 8/712:35
SOU
-
BHD
Nonstop1h 35m
Aer Lingus
Tue 14/706:40
BHD
-
SOU
Nonstop1h 45m
Aer Lingus
Deal found 27/5£88
Tue 16/608:55
SOU
-
BHD
Nonstop1h 40m
Aer Lingus
Thu 18/606:40
BHD
-
SOU
Nonstop1h 45m
Aer Lingus
Deal found 24/5£89
Sat 6/619:40
SOU
-
BHD
Nonstop1h 35m
Aer Lingus
Sun 7/606:40
BHD
-
SOU
Nonstop1h 45m
Aer Lingus
Deal found 26/5£91
Tue 14/708:55
SOU
-
BHD
Nonstop1h 40m
Aer Lingus
Mon 20/710:25
BHD
-
SOU
Nonstop1h 40m
Aer Lingus
Deal found 27/5£93
Wed 1/712:35
SOU
-
BHD
Nonstop1h 35m
Aer Lingus
Wed 8/706:40
BHD
-
SOU
Nonstop1h 45m
Aer Lingus
Deal found 27/5£94
Mon 26/1012:35
SOU
-
BHD
Nonstop1h 35m
Aer Lingus
Thu 29/1010:25
BHD
-
SOU
Nonstop1h 40m
Aer Lingus
Deal found 27/5£97
Mon 7/919:30
SOU
-
BHD
Nonstop1h 35m
Aer Lingus
Sun 13/906:40
BHD
-
SOU
Nonstop1h 45m
Aer Lingus
Deal found 25/5£100
Thu 16/708:55
SOU
-
BHD
Nonstop1h 40m
Aer Lingus
Fri 17/706:40
BHD
-
SOU
Nonstop1h 45m
Aer Lingus
Deal found 24/5£101
Thu 6/812:35
SOU
-
BHD
Nonstop1h 35m
Aer Lingus
Sun 9/810:25
BHD
-
SOU
Nonstop1h 40m
Aer Lingus
Deal found 27/5£102

Find flight deals from Southampton to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Belfast City (BHD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 May 2026.

Round-trip from

£88

One-way from

£37

Popular in

December

Cheapest in

November

Average price

£132

Good round-trip deal

£97 or less

Good one-way deal

£69 or less
Aer Lingus
  • Aer Lingus
  • 8/7-14/7
  • Nonstop
  • 3h 20m total
  • Southampton to Belfast
Search Deals
Aer Lingus
  • Aer Lingus
  • 1/7
  • Nonstop
  • 1h 35m total
  • Southampton to Belfast
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Southampton Eastleigh to Belfast City.
Search Deals
Price to beat on a one-way flight from Southampton Eastleigh to Belfast City.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Belfast City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 28 May 2026.
Use the filters below to find and compare flights from Southampton to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Thu 16/7

08:55-10:35

Nonstop1h 40m

Belfast City

Fri 17/7

16:10-07:20

2 stops15h 10m

£157

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 18/7

07:50-21:00

1 stop13h 10m

Belfast City

Sun 19/7

06:40-08:25

Nonstop1h 45m

£203
Fastest return journey

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 13/6

16:45-18:20

Nonstop1h 35m

Belfast City

Tue 16/6

17:25-19:00

Nonstop1h 35m

£231

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Wed 2/9

19:30-21:05

Nonstop1h 35m

Belfast City

Thu 3/9

10:25-12:05

Nonstop1h 40m

£231

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Thu 11/6

12:35-14:10

Nonstop1h 35m

Belfast City

Fri 12/6

06:40-08:25

Nonstop1h 45m

£231

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 18/7

06:45-13:50

1 stop7h 05m

Belfast City

Sat 18/7

17:10-08:35

2 stops15h 25m

£269

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 2/11

08:40-16:50

1 stop8h 10m

Belfast City

Sat 7/11

09:40-17:00

1 stop7h 20m

£306

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 20/6

12:35-14:10

Nonstop1h 35m

Belfast City

Sat 27/6

07:00-12:00

1 stop5h 00m

£324

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 22/6

08:55-10:35

Nonstop1h 40m

Belfast City

Mon 6/7

14:25-20:45

1 stop6h 20m

£325

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Tue 18/8

12:20-17:20

1 stop5h 00m

Belfast City

Sat 22/8

06:40-08:25

Nonstop1h 45m

£325

Flights are sorted by cheapest return flights first.

Deals found on 24/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Southampton to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Belfast City Airport

How far ahead should I book a flight from Southampton to Belfast City Airport?

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Southampton to Belfast City Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Southampton to Belfast City Airport?

Currently, November is the cheapest month in which you can book a flight from Southampton to Belfast City Airport (average of £89). Flying from Southampton to Belfast City Airport in December is currently the most expensive (average of £145). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SOU to BHD?

Find hourly flight availability from Southampton to Belfast City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 May 2026.

It’s typically best to fly out from Southampton to Belfast City Airport in the afternoon. Doing so could potentially save you 11% on the flight price compared to flying at midday, which is usually more expensive.

How much does it cost for a return flight from Southampton to Belfast City Airport?

Reviews of airlines servicing Belfast City

Get insights into the airlines that provide service to Belfast City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast City. Reviews last updated 28 May 2026.
See what other customers who have flown with Aer Lingus from Southampton to Belfast City Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,587 reviews
Check prices

Overall

7.3

Boarding

7.4

Food

6.7

Crew

8.1

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.3
Good
1,587 reviews
Aer Lingus
7.3
Good
1,587 reviews
Check prices

Overall

7.3

Boarding

7.4

Food

6.7

Crew

8.1

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to Belfast City?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Belfast City. You should not have trouble finding flights to Belfast City from Eastleigh; the airport handles an average of 5 outbound flights to Belfast City per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Southampton airport to Belfast City. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

  • How long is the flight from Southampton to Belfast City Airport?

    For as low as £231, British Airways can have you in Belfast City Airport from Southampton in 1h 35m. The distance between Southampton and Belfast City Airport is about 316 mi. Generally, flights for this route are direct.

  • What is the cheapest airline to fly from Southampton to Belfast City Airport round-trip?

    Flying on Aer Lingus is currently your cheapest option to Belfast City Airport, with prices starting at £77. You may be able to fly from Southampton to Belfast City Airport for 38% less than the average price by searching for this airline.

  • What are the most reliable airlines from Southampton to Belfast City Airport?

    Consider Aer Lingus (81%), Emerald Airlines (81%) or British Airways (81%) when booking your flight. These represent the most reliable airlines when flying from Southampton to Belfast City Airport.

  • What are the cheapest flights from Southampton to Belfast City Airport?

    Looking for the cheapest flight from Southampton to Belfast City Airport? While on average our users pay £102, our data indicates the cheapest price to be £37. The most popular route (Southampton Eastleigh - Belfast City), is priced around £94.

  • Can I find deals for flights from Southampton to Belfast City that include hotel bookings?

    Yes. In addition to deals on Southampton to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Belfast City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Belfast City.

  • Can I find deals for business class flights from Southampton to Belfast City?

    Yes. Cheapflights offers flight deals from Southampton to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southampton to Belfast City Airport?

    Currently, November is the cheapest month in which you can book a flight from Southampton to Belfast City Airport (average of £89). Flying from Southampton to Belfast City Airport in December is currently the most expensive (average of £145). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Belfast City Airport?

Book flights to Belfast City Airport if you plan to visit one of these locations
Carrickfergus
Bangor
Newcastle

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Southampton to Belfast City

Discover the top airline that operate flights from Southampton to Belfast City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£77Average£131FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to Belfast City?

Cheapflights makes it easy to find Southampton to Belfast City flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Belfast City?

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Can Cheapflights find flights from Southampton to Belfast City with no change fees?

Yes! Cheapflights helps users easily find flights from Southampton to Belfast City with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to Belfast City become cheaper?

Not ready to book yet? You can track prices for flights from Southampton to Belfast City on Cheapflights with our Price Alert feature and get notified when better prices are available.

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