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Cheap flights from Belfast to Southampton 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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SOU
7 Jul — 14 Jul1
1 adult

Cheapflights Tip: The best prices from Belfast to Southampton Eastleigh are usually found in March or January, booked 33 days in advance, depart on a Friday or Monday 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 2 July 2025.

Round-trip from

£41

One-way from

£37

Popular in

June

Cheapest in

March

Average price

£123
easyJet
  • easyJet
  • 23/8-30/8
  • Nonstop
  • 2h 35m total
  • Belfast to Southampton
easyJet
  • easyJet
  • 19/7
  • Nonstop
  • 1h 15m total
  • Belfast to Southampton
Highest demand for flights based on searches. 22% potential increase in price (£20 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 2 July 2025.

Sat 23/806:20BFS - SOU
Nonstop1h 15measyJet
Sat 30/808:05SOU - BFS
Nonstop1h 20measyJet
Deal found 30/6£41
Tue 29/714:30BHD - SOU
Nonstop1h 35mAer Lingus
Thu 31/708:55SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 2/7£87
Thu 4/906:40BHD - SOU
Nonstop1h 45mMultiple Airlines
Sat 6/908:25SOU - BHD
1 stop8h 55mMultiple Airlines
Deal found 30/6£126
Sat 23/821:05BFS - SOU
2 stops23h 55mMultiple Airlines
Sat 30/808:05SOU - BFS
Nonstop1h 20mMultiple Airlines
Deal found 30/6£177
Sat 9/806:40BHD - SOU
Nonstop1h 45mBritish Airways
Sun 10/808:55SOU - BHD
Nonstop1h 35mBritish Airways
Deal found 30/6£225
Wed 17/906:30BHD - SOU
1 stop10h 30mKLM
Thu 25/917:35SOU - BHD
1 stop3h 40mKLM
Deal found 30/6£325

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 2 July 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

Sat 23/8

06:20-07:35

Nonstop1h 15m

Southampton Eastleigh

Sat 30/8

08:05-09:25

Nonstop1h 20m

£41

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 29/7

14:30-16:05

Nonstop1h 35m

Southampton Eastleigh

Thu 31/7

08:55-10:30

Nonstop1h 35m

£87

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Thu 4/9

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Sat 6/9

08:25-17:20

1 stop8h 55m

£126

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sat 23/8

21:05-21:00

2 stops23h 55m

Southampton Eastleigh

Sat 30/8

08:05-09:25

Nonstop1h 20m

£177

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 9/8

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Sun 10/8

08:55-10:30

Nonstop1h 35m

£225

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Wed 17/9

06:30-17:00

1 stop10h 30m

Southampton Eastleigh

Thu 25/9

17:35-21:15

1 stop3h 40m

£325

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sat 19/7

06:20-07:35

Nonstop1h 15m

£37

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 19/7

06:40-08:25

Nonstop1h 45m

£47

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sun 7/9

18:45-10:35

1 stop15h 50m

£103

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sun 7/9

08:40-09:10

2 stops24h 30m

£108

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 12 results
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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 27 June 2025.

Booking 33 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 2 July 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 54% on flights from Belfast to Southampton by exploring options for tickets at midday.

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 2 July 2025.
Read through reviews of airlines operating flights from Belfast to Southampton, such as KLM, Aer Lingus, andeasyJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 £41, 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 £87 and £225, respectively. easyJet is priced at 56% 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 £37 on easyJet. Other airlines that offer cheap prices include Aer Lingus from £47 and Loganair from £258 one-way.

  • What are the cheapest flights from Belfast to Southampton?

    While on average a flight from Belfast to Southampton is generally £81, our data shows the cheapest flight currently is £24. When looking at the most popular route, (Belfast Intl - Southampton Eastleigh), you can expect to pay £42 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

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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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£37Average£91FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£58Average£112FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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

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

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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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