Cheap flights from Northern Ireland 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.
Cheap flight deals from Northern Ireland to Southampton
Keep the following information in mind while searching for Northern Ireland to Southampton flight deals. Data was last updated 2 July 2025.
Round-trip from | £41 |
---|---|
One-way from | £37 |
Popular in | June |
Cheapest in | January |
Average price | £85 |
Good round-trip deal | £69 or less |
Good one-way deal | £50 or less |
Find flight deals from Northern Ireland to Southampton
Cheapest flights from Northern Ireland to SouthamptonExplore the most affordable flight options available from Northern Ireland 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 Northern Ireland 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 Northern Ireland 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 Northern Ireland 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
Mon 28/7
11:00-12:40
Nonstop1h 40m
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
Fri 18/7
18:40-07:55
1 stop13h 15m
BelfastSouthampton
BFS - SOU
BFSSOU
Belfast Intl
Fri 18/7
18:40-08:40
2 stops14h 00m
Best time to book a flight from Northern Ireland to Southampton
Have a flexible travel schedule? Discover the best time to fly to Southampton from Northern Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Northern Ireland to Southampton
What is the cheapest month to book a flight from Northern Ireland to Southampton?
Currently, September is the cheapest month in which you can book a flight from Northern Ireland to Southampton (average of £203). Flying from Northern Ireland 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 NIR to SOU?
Find hourly flight availability from Northern Ireland 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.
When flying from Northern Ireland to Southampton, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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.
Check out reviews from past customers who have flown with KLM, Aer Lingus, andeasyJet from Northern Ireland to Southampton to help guide your decision. 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.
Boarding
Food
Crew
Entertainment
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Boarding
Food
Crew
Entertainment
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Boarding
Food
Crew
Entertainment
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Boarding
Food
Crew
Entertainment
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Boarding
Food
Crew
Entertainment
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Related info for your journey
Find useful and relevant information for your journey from Northern Ireland to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Northern Ireland to Southampton
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Northern Ireland to Southampton
Discover the top 2 airlines that operate flights from Northern Ireland 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.
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 Northern Ireland to Southampton?
Deals for Northern Ireland to Southampton flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Southampton?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Northern Ireland to Southampton.
Can Cheapflights find flights from Northern Ireland to Southampton with no change fees?
Need flexible booking options for your flight to Southampton from Northern Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Northern Ireland to Southampton become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!