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.
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 |
Find flight deals from Belfast to Southampton
Cheapest flights from Belfast to SouthamptonExplore 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.
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.
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
Fly to
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
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
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
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
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
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
BelfastSouthampton
BFS - SOU
BFSSOU
Belfast Intl
Sat 19/7
06:20-07:35
Nonstop1h 15m
BelfastSouthampton
BHD - SOU
BHDSOU
Belfast City
Sat 19/7
06:40-08:25
Nonstop1h 45m
BelfastSouthampton
BHD - SOU
BHDSOU
Belfast City
Sun 7/9
18:45-10:35
1 stop15h 50m
BelfastSouthampton
BFS - SOU
BFSSOU
Belfast Intl
Sun 7/9
08:40-09:10
2 stops24h 30m
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.
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
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
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.
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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.
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.
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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?
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.