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Cheap flights from Belfast to Southampton from £24

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SOU
1 Apr — 8 Apr1
1 adult

Cheapflights Tip: The best prices from Belfast to Southampton Eastleigh are usually found in March or January, booked 46 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from Belfast to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 27 March 2025.

Round-trip from

£53

One-way from

£24

Popular in

June

Cheapest in

March

Average price

£65
easyJet
  • easyJet
  • 11/5-30/5
  • Nonstop
  • 2h 35m total
  • Belfast to Southampton
Search Deals
easyJet
  • easyJet
  • 15/6
  • Nonstop
  • 1h 15m total
  • Belfast to Southampton
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from Belfast to Southampton

Cheapest flights from Belfast to Southampton
Explore the most affordable flight options available from Belfast to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2025.

Sun 18/510:10BFS - SOU
Nonstop1h 15measyJet
Thu 22/515:05SOU - BFS
Nonstop1h 20measyJet
Deal found 26/3£60
Thu 3/406:40BHD - SOU
Nonstop1h 45mAer Lingus
Sun 6/413:10SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 26/3£83
Sun 18/510:10BFS - SOU
Nonstop1h 15mMultiple Airlines
Thu 22/520:00SOU - BFS
2 stops20h 40mMultiple Airlines
Deal found 26/3£128
Sat 27/910:10BHD - SOU
Nonstop1h 45mMultiple Airlines
Wed 8/1009:00SOU - BHD
1 stop5h 35mMultiple Airlines
Deal found 26/3£170
Sat 27/917:25BHD - SOU
1 stop15h 20mKLM
Wed 8/1009:20SOU - BHD
1 stop11h 45mKLM
Deal found 26/3£275
Fri 4/415:00BHD - SOU
1 stop17h 25measyJet
Sun 6/416:35SOU - BHD
1 stop14h 50measyJet
Deal found 26/3£304
Mon 23/606:40BHD - SOU
Nonstop1h 45mBritish Airways
Mon 30/616:30SOU - BHD
1 stop4h 40mBritish Airways
Deal found 26/3£332

Cheapflights Fare Finder

Customise your flight search to find flights from Belfast 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 27 March 2025.
Use the filters below to find and compare flights from Belfast to Southampton that are best for you.

Fly from

Belfast

Fly to

Southampton

Route

Depart

Return

Price

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sun 11/5

10:10-11:25

Nonstop1h 15m

Southampton Eastleigh

Fri 30/5

12:15-13:35

Nonstop1h 20m

£53

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sun 18/5

10:10-11:25

Nonstop1h 15m

Southampton Eastleigh

Thu 22/5

20:00-16:40

2 stops20h 40m

£128

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Thu 17/4

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Sun 20/4

13:10-14:45

Nonstop1h 35m

£139

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Thu 17/4

18:45-15:55

1 stop21h 10m

Southampton Eastleigh

Sun 20/4

16:45-18:20

Nonstop1h 35m

£252

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 23/6

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Mon 30/6

16:30-21:10

1 stop4h 40m

£332

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sun 15/6

10:10-11:25

Nonstop1h 15m

£24

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 11/4

06:40-08:25

Nonstop1h 45m

£46

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 10/6

10:40-08:30

1 stop21h 50m

£52

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 10/6

18:00-08:05

2 stops14h 05m

£118

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 14/6

14:40-16:15

Nonstop1h 35m

£119

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 11 results
1
2

Best time to book a flight from Belfast to Southampton

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

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

Use this chart to determine the optimal time to book a return flight from Belfast to Southampton. Price data was last updated on 21 March 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Belfast to Southampton. 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 Belfast to Southampton?

Currently, September is the cheapest month in which you can book a flight from Belfast to Southampton (average of £203). Flying from Belfast to Southampton in November is currently the most expensive (average of £262). 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 BFS to SOU?

Find hourly flight availability from Belfast 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 27 March 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 38% on flights from Belfast to Southampton by exploring options for tickets at midday.

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

Use this chart to determine the cheapest time to fly return from Belfast to Southampton. Price data was last updated on 23 March 2025.

Travellers seeking maximum savings on their Belfast to Southampton flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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 27 March 2025.
To help decide which airline to fly from Belfast to Southampton, see what other customers have to say about Aer Lingus, easyJet and British Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.0
Good
1,062 reviews
Check prices

Entertainment

6.7

Food

6.4

Overall

7.0

Comfort

7.0

Boarding

7.2

Crew

7.9

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
Aer Lingus
7.0
Good
1,062 reviews
Aer Lingus
7.0
Good
1,062 reviews
Check prices

Entertainment

6.7

Food

6.4

Overall

7.0

Comfort

7.0

Boarding

7.2

Crew

7.9

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
easyJet
6.9
Okay
1,792 reviews
Aer Lingus
7.0
Good
1,062 reviews
Check prices

Entertainment

6.7

Food

6.4

Overall

7.0

Comfort

7.0

Boarding

7.2

Crew

7.9

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
British Airways
6.6
Okay
6,712 reviews
Aer Lingus
7.0
Good
1,062 reviews
Check prices

Entertainment

6.7

Food

6.4

Overall

7.0

Comfort

7.0

Boarding

7.2

Crew

7.9

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.

Related info for your journey

Find useful and relevant information for your journey from Belfast 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?

    Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly into when you book flights from Belfast to Southampton. 2 airlines have flights to Eastleigh from Belfast on a regular basis. Booking flights from Belfast to Southampton Eastleigh should not be difficult; the airport handles an average of 0 inbound flights from Belfast per day.

  • What are the cheapest airlines flying from Belfast to Southampton round-trip?

    Currently priced at £53, easyJet will fly you from Belfast to Southampton and back. In addition to easyJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Aer Lingus and British Airways - these airlines can fly you to your destination from £139 and £332, respectively. easyJet is priced at 45% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Belfast to Southampton one-way?

    One-way options have recently been found by users for as low as £24 on easyJet. Other airlines that offer cheap prices include Aer Lingus from £46 and British Airways from £119 one-way.

  • What are the cheapest flights from Belfast to Southampton?

    While on average a flight from Belfast to Southampton is generally £153, our data shows the cheapest flight currently is £23. When looking at the most popular route, (Belfast Intl - Southampton Eastleigh), you can expect to pay £60 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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 to Southampton?

    Currently, September is the cheapest month in which you can book a flight from Belfast to Southampton (average of £203). Flying from Belfast to Southampton in November is currently the most expensive (average of £262). 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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Alternative routes for Belfast to Southampton

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Belfast to Southampton

Discover the top 2 airlines that operate flights from Belfast 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 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£48Average£101FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£61Average£107FlexibilityNo 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 Belfast to Southampton?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Southampton from Belfast today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast 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 to Southampton with no change fees?

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southampton from Belfast today and book when prices fit your budget.

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