Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Belfast to Southampton from £25

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SOU
27 Feb — 6 Mar1
1 adult

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 Thursday

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 22 February 2025.

Round-trip from

£55

One-way from

£25

Popular in

June

Cheapest in

March

Average price

£87
easyJet
  • easyJet
  • 6/4-28/4
  • Nonstop
  • 2h 35m total
  • Belfast to Southampton
Search Deals
easyJet
  • easyJet
  • 14/6
  • Nonstop
  • 1h 15m total
  • Belfast to Southampton
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 22 February 2025.

Sun 6/410:10BFS - SOU
Nonstop1h 15measyJet
Mon 28/411:50SOU - BFS
Nonstop1h 20measyJet
Deal found 21/2£57
Sat 5/406:40BHD - SOU
Nonstop1h 45mAer Lingus
Mon 7/408:55SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 21/2£80
Sat 5/406:40BHD - SOU
Nonstop1h 45mMultiple Airlines
Mon 7/415:25SOU - BHD
1 stop23h 05mMultiple Airlines
Deal found 21/2£116
Sun 6/408:40BFS - SOU
1 stop7h 25mMultiple Airlines
Mon 28/420:30SOU - BFS
2 stops14h 50mMultiple Airlines
Deal found 21/2£172
Fri 25/406:40BHD - SOU
Nonstop1h 45mBritish Airways
Mon 28/413:10SOU - BHD
Nonstop1h 35mBritish Airways
Deal found 21/2£224
Sat 5/414:20BHD - SOU
2 stops25h 45measyJet
Mon 7/415:25SOU - BHD
2 stops20h 40measyJet
Deal found 21/2£233
Sat 13/906:30BHD - SOU
1 stop10h 30mKLM
Sat 27/917:35SOU - BHD
1 stop3h 40mKLM
Deal found 21/2£330

Find flights from Belfast to Southampton within your budget

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 22 February 2025.

Fly from

Belfast

Fly to

Southampton

Route

Depart

Return

Price

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sun 6/4

10:10-11:25

Nonstop1h 15m

Southampton Eastleigh

Mon 28/4

11:50-13:10

Nonstop1h 20m

£57

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 5/4

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Mon 7/4

08:55-10:30

Nonstop1h 35m

£80

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 5/4

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Mon 7/4

15:25-14:30

1 stop23h 05m

£116

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sun 6/4

08:40-16:05

1 stop7h 25m

Southampton Eastleigh

Mon 28/4

20:30-11:20

2 stops14h 50m

£172

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 25/4

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Mon 28/4

13:10-14:45

Nonstop1h 35m

£224

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 5/4

14:20-16:05

2 stops25h 45m

Southampton Eastleigh

Mon 7/4

15:25-12:05

2 stops20h 40m

£233

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sat 14/6

13:35-14:50

Nonstop1h 15m

£25

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Thu 27/3

17:20-18:55

Nonstop1h 35m

£38

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 15/4

18:45-08:30

1 stop13h 45m

£102

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Wed 19/3

07:40-08:45

2 stops25h 05m

£108

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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.

Travel insights for flights from Belfast to Southampton

Get recent, data-driven insights about flights from Belfast to Southampton including ideal travel times, pricing trends, and more.

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 14 February 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 22 February 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 7% on flights from Belfast to Southampton by exploring options for tickets in the morning.

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 16 February 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. Thursday evenings 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 22 February 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
1,070 reviews
Check prices

Food

6.4

Boarding

7.2

Entertainment

6.7

Overall

7.0

Crew

7.9

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

Aer Lingus
7.0
Good
1,070 reviews
Aer Lingus
7.0
Good
1,070 reviews
Check prices

Food

6.4

Boarding

7.2

Entertainment

6.7

Overall

7.0

Crew

7.9

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

easyJet
6.9
Okay
1,814 reviews
Aer Lingus
7.0
Good
1,070 reviews
Check prices

Food

6.4

Boarding

7.2

Entertainment

6.7

Overall

7.0

Crew

7.9

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

British Airways
6.6
Okay
6,759 reviews
Aer Lingus
7.0
Good
1,070 reviews
Check prices

Food

6.4

Boarding

7.2

Entertainment

6.7

Overall

7.0

Crew

7.9

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

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 £55, 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 £80 and £224, respectively. easyJet is priced at 44% 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 £25 on easyJet. Other airlines that offer cheap prices include Aer Lingus from £38 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 £186, our data shows the cheapest flight currently is £58. When looking at the most popular route, (Belfast Intl - Southampton Eastleigh), you can expect to pay £46 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to Southampton

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Gatwick flights
Belfast Intl to Luton flights
Belfast Intl to Stansted flights
Belfast City to Heathrow flights
Belfast City to Gatwick flights
Belfast Intl to Heathrow flights
Belfast Intl to London City flights
Belfast City to London City flights
Belfast City to Luton flights
Belfast Intl to Manchester flights
Belfast Intl to Edinburgh flights
Belfast Intl to Liverpool flights
Belfast Intl to Birmingham flights
Belfast City to Stansted flights
Belfast Intl to Leeds flights
Belfast City to Manchester flights
Belfast Intl to Southampton flights
Belfast Intl to Bristol flights
Belfast City to Edinburgh flights
Belfast City to Birmingham flights
Belfast City to Leeds flights
Belfast City to Liverpool flights
Belfast City to Southampton flights
Derry to Heathrow flights
Belfast City to Bristol flights
Belfast Intl to Exeter flights
Belfast Intl to Newcastle upon Tyne flights
Belfast City to Exeter flights
Belfast Intl to East Midlands flights
Belfast City to Newcastle upon Tyne flights
Derry to Stansted flights
Belfast City to East Midlands flights
Derry to Liverpool flights
Belfast Intl to Southend flights
Belfast City to Doncaster flights
Belfast Intl to Doncaster flights
Belfast City to Southend flights

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 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£47Average£96FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£61Average£105FlexibilityNo 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.