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Cheap flights from Belfast City Airport to Southampton from £49

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SOU
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Belfast City to Southampton Eastleigh are usually found in March or February, booked 54 days in advance, depart on a Wednesday or Sunday and return on a Wednesday

Cheap flight deals from Belfast City to Southampton

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to Southampton
Explore the most affordable flight options available from Belfast City to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Tue 23/1206:40BHD - SOU
Nonstop1h 45mMultiple Airlines
Tue 23/1214:45SOU - BHD
1 stop6h 05mMultiple Airlines
Deal found 11/12£240
Tue 30/1206:40BHD - SOU
Nonstop1h 45mAer Lingus
Thu 1/112:20SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 10/12£243
Mon 29/1217:45BHD - SOU
1 stop15h 05measyJet
Wed 31/1209:25SOU - BHD
1 stop7h 50measyJet
Deal found 11/12£248
Mon 29/1208:00BHD - SOU
1 stop9h 35mMultiple Airlines
Wed 31/1208:55SOU - BHD
Nonstop1h 40mMultiple Airlines
Deal found 11/12£262
Tue 30/1209:50BHD - SOU
2 stops23h 00mMultiple Airlines
Fri 2/119:00SOU - BHD
Nonstop1h 35mMultiple Airlines
Deal found 10/12£267
Tue 30/1206:40BHD - SOU
Nonstop1h 45mAer Lingus
Fri 2/119:00SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 10/12£276
Tue 30/1206:55BHD - SOU
1 stop5h 10mMultiple Airlines
Thu 1/112:20SOU - BHD
Nonstop1h 35mMultiple Airlines
Deal found 10/12£291
Fri 12/1216:55BHD - SOU
Nonstop1h 35mMultiple Airlines
Fri 19/1208:10SOU - BHD
2 stops25h 30mMultiple Airlines
Deal found 11/12£322

Find flight deals from Belfast City to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Belfast City (BHD) to Southampton (SOU). 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 12 December 2025.

Round-trip from

£90

One-way from

£49

Popular in

July

Cheapest in

March

Average price

£149

Good round-trip deal

£136 or less

Good one-way deal

£87 or less
Aer Lingus
  • Aer Lingus
  • 7/1-14/1
  • Nonstop
  • 3h 25m total
  • Belfast to Southampton
Search Deals
easyJet
  • easyJet
  • 20/4
  • 1 total stop
  • 24h 25m total
  • Belfast to Southampton
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Belfast City to Southampton Eastleigh.
Search Deals
Price to beat on a one-way flight from Belfast City to Southampton Eastleigh.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast City to Southampton 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 12 December 2025.
Use the filters below to find and compare flights from Belfast City Airport to Southampton that are best for you.

Fly from

Belfast City

Fly to

Southampton

Route

Depart

Return

Price

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Wed 7/1

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Wed 14/1

08:55-10:35

Nonstop1h 40m

£90

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Wed 7/1

18:05-17:20

2 stops23h 15m

Southampton Eastleigh

Wed 14/1

08:55-10:35

Nonstop1h 40m

£136

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 23/1

10:10-11:50

Nonstop1h 40m

Southampton Eastleigh

Fri 23/1

19:00-20:35

Nonstop1h 35m

£136

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Wed 29/4

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Wed 6/5

12:35-17:20

1 stop4h 45m

£195

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 23/1

06:50-15:35

2 stops8h 45m

Southampton Eastleigh

Fri 23/1

19:00-20:35

Nonstop1h 35m

£217

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Thu 8/1

16:55-18:30

Nonstop1h 35m

Southampton Eastleigh

Mon 12/1

12:20-13:55

Nonstop1h 35m

£229

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 23/12

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Tue 23/12

14:45-20:50

1 stop6h 05m

£240

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 30/12

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Thu 1/1

12:20-13:55

Nonstop1h 35m

£243

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 20/4

12:25-12:50

1 stop24h 25m

£49

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 20/4

14:40-16:15

Nonstop1h 35m

£50

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 14 results
1
2

Best time to book a flight from Belfast City to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Belfast City 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 Belfast City Airport to Southampton

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

Use this chart to determine the optimal time to book a return flight from Belfast City to Southampton. Price data was last updated on 5 December 2025.

To ensure you get the cheapest price possible for a flight from Belfast City Airport to Southampton, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Belfast City Airport to Southampton (average of £26). Flying from Belfast City Airport to Southampton in July is currently the most expensive (average of £75). 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 BHD to SOU?

Find hourly flight availability from Belfast City to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

It’s optimal to fly from Belfast City Airport to Southampton in the evening. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. 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 Southampton. Reviews last updated 12 December 2025.
See what other customers who have flown with Aer Lingus from Belfast City Airport to Southampton 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
7.2
Good
1,394 reviews
Check prices

Overall

7.2

Boarding

7.4

Comfort

7.1

Entertainment

7.0

Food

6.6

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

DUB - EDI

Fine except for app. Couldn’t check in online - kept saying I couldn’t check in until the morning after my flight. On second leg I could check in but couldn’t get my boarding pass into my wallet. Thankfully I took a screenshot of it because I couldn’t retrieve it when we boarded - the app prohibited it.
Aer Lingus
7.2
Good
1,394 reviews
Aer Lingus
7.2
Good
1,394 reviews
Check prices

Overall

7.2

Boarding

7.4

Comfort

7.1

Entertainment

7.0

Food

6.6

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

DUB - EDI

Fine except for app. Couldn’t check in online - kept saying I couldn’t check in until the morning after my flight. On second leg I could check in but couldn’t get my boarding pass into my wallet. Thankfully I took a screenshot of it because I couldn’t retrieve it when we boarded - the app prohibited it.

Related info for your journey

Find useful and relevant information for your journey from Belfast City to Southampton. 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 into for flights to Southampton from Belfast City?

    Most people fly into Southampton Eastleigh (SOU) if they book a flight to Southampton from Belfast City. On average, Eastleigh has 3 inbound flights from Belfast City per day from 1 airline. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

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

    Departing from Belfast City Airport to Southampton will take you 1h 45m. Airlines will cover a distance of 316 mi. Generally, flights for this route are direct.

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

    According to our current data, Aer Lingus (£72), offers the cheapest pricing from Belfast City Airport to Southampton. Users have found that Aer Lingus is 43% cheaper than the other options available to this destination.

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

    No one likes to see their flight delayed. When booking a flight from Belfast City Airport to Southampton consider choosing Aer Lingus (57%), Emerald Airlines (57%) or British Airways (57%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Belfast City Airport to Southampton is generally £137, our data shows the cheapest flight currently is £50. When looking at the most popular route, (Belfast City - Southampton Eastleigh), you can expect to pay £84 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast City to Southampton 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 Belfast City Airport to Southampton?

    Currently, January is the cheapest month in which you can book a flight from Belfast City Airport to Southampton (average of £26). Flying from Belfast City Airport to Southampton in July is currently the most expensive (average of £75). 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

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Top airline flying from Belfast City to Southampton

Discover the top airline that operate flights from Belfast City to Southampton. 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£72Average£128FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Belfast City to Southampton 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 Belfast City to Southampton?

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast City to Southampton for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Yes! Start tracking prices for Belfast City to Southampton flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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