Cheap flights from Southampton to Northern Ireland from £20
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BFS
12 Dec — 19 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from Southampton to Northern Ireland
Enter your travel dates to find the best prices.
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Cheapest flights from Southampton to Northern Ireland
Explore the most affordable flight options available from Southampton to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.
Mon 7/1215:30 -
1 stop21h 10m
Mon 14/1208:00 -
1 stop6h 55m
Deal found 9/11£76
Tue 8/1212:15 -
1 stop8h 20m
Thu 10/1221:05 -
1 stop15h 50m
Deal found 9/11£78
Fri 11/1213:25 -
1 stop9h 00m
Fri 18/1207:00 -
1 stop5h 55m
Deal found 10/11£85
Thu 10/1216:10 -
Nonstop1h 35m
Mon 14/1210:25 -
Nonstop1h 40m
Deal found 9/11£92
Thu 10/1213:55 -
1 stop8h 25m
Thu 17/1221:05 -
1 stop15h 50m
Deal found 9/11£97
Thu 10/1216:10 -
Nonstop1h 35m
Mon 14/1208:00 -
1 stop6h 55m
Deal found 9/11£98
Mon 7/1215:30 -
1 stop6h 10m
Mon 14/1207:20 -
1 stop7h 35m
Deal found 7/11£100
Fri 11/1213:25 -
1 stop19h 30m
Mon 14/1208:00 -
1 stop6h 55m
Deal found 8/11£102
Thu 10/1213:55 -
1 stop8h 25m
Mon 14/1208:40 -
1 stop6h 15m
Deal found 9/11£104
Mon 21/1212:20 -
1 stop7h 55m
Wed 23/1208:20 -
1 stop6h 05m
Deal found 7/11£106
Mon 30/1117:55 -
1 stop22h 20m
Thu 31/1221:05 -
1 stop15h 50m
Deal found 10/11£107
Mon 7/1215:30 -
1 stop5h 35m
Mon 14/1208:00 -
1 stop6h 55m
Deal found 9/11£116
Best flights from Southampton to Northern Ireland
Discover carefully curated flight deals from Southampton to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.
Mon 22/211:05 -
Nonstop1h 20m
Fri 26/216:55 -
Nonstop1h 10m
Deal found 10/11£46
Mon 7/1215:30 -
1 stop21h 10m
Mon 14/1208:00 -
1 stop6h 55m
Deal found 9/11£76
Fri 2/412:20 -
Nonstop1h 15m
Mon 5/410:35 -
Nonstop1h 15m
Deal found 8/11£77
Sat 5/1209:25 -
1 stop23h 45m
Sat 12/1217:15 -
1 stop23h 35m
Deal found 7/11£187
Fri 11/1213:25 -
1 stop9h 00m
Fri 18/1207:00 -
1 stop5h 55m
Deal found 10/11£85
Wed 2/1216:10 -
Nonstop1h 35m
Thu 3/1210:25 -
Nonstop1h 40m
Deal found 11/11£234
Sat 5/1208:20 -
1 stop12h 20m
Sat 12/1214:55 -
2 stops17h 50m
Deal found 7/11£235
Thu 10/1213:55 -
1 stop8h 25m
Thu 17/1221:05 -
1 stop15h 50m
Deal found 9/11£97
Fri 29/112:35 -
1 stop6h 10m
Sun 31/111:15 -
1 stop4h 20m
Deal found 7/11£101
Thu 10/1213:55 -
1 stop8h 25m
Mon 14/1208:40 -
1 stop6h 15m
Deal found 9/11£104
Sat 2/109:25 -
1 stop23h 45m
Tue 5/117:05 -
1 stop23h 45m
Deal found 11/11£187
Mon 21/1212:20 -
1 stop7h 55m
Wed 23/1208:20 -
1 stop6h 05m
Deal found 7/11£106
Mon 30/1117:55 -
1 stop22h 20m
Thu 31/1221:05 -
1 stop15h 50m
Deal found 10/11£107
Sat 5/1209:25 -
1 stop23h 45m
Sun 6/1217:15 -
1 stop14h 55m
Deal found 7/11£198
Mon 7/1216:10 -
Nonstop1h 35m
Mon 21/1210:25 -
Nonstop1h 40m
Deal found 9/11£234
Thu 28/112:35 -
Nonstop1h 35m
Sat 30/110:25 -
Nonstop1h 40m
Deal found 7/11£235
Fri 27/1117:35 -
1 stop23h 10m
Sun 29/1117:15 -
1 stop14h 55m
Deal found 9/11£238
Sun 6/1212:35 -
Nonstop1h 35m
Sun 13/1210:25 -
Nonstop1h 40m
Deal found 8/11£250
Direct flights from Southampton to Northern Ireland
Explore direct flight options from Southampton to Northern Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 November 2026.
Mon 22/211:05 -
Nonstop1h 20m
Fri 26/216:55 -
Nonstop1h 10m
Deal found 10/11£46
Fri 12/318:35 -
Nonstop1h 20m
Mon 15/309:15 -
Nonstop1h 20m
Deal found 9/11£68
Fri 2/412:20 -
Nonstop1h 15m
Mon 5/410:35 -
Nonstop1h 15m
Deal found 8/11£77
Thu 10/1216:10 -
Nonstop1h 35m
Mon 14/1210:25 -
Nonstop1h 40m
Deal found 9/11£92
Sun 3/116:10 -
Nonstop1h 35m
Tue 5/117:35 -
Nonstop1h 35m
Deal found 11/11£105
Fri 2/408:55 -
Nonstop1h 40m
Mon 5/406:40 -
Nonstop1h 45m
Deal found 9/11£106
Mon 22/216:10 -
Nonstop1h 35m
Fri 26/214:05 -
Nonstop1h 35m
Deal found 10/11£107
Fri 29/119:15 -
Nonstop1h 35m
Sun 31/110:25 -
Nonstop1h 40m
Deal found 7/11£116
Fri 11/1216:10 -
Nonstop1h 35m
Mon 14/1210:25 -
Nonstop1h 40m
Deal found 8/11£119
Sat 2/112:35 -
Nonstop1h 35m
Tue 5/110:25 -
Nonstop1h 40m
Deal found 11/11£121
Fri 26/318:35 -
Nonstop1h 20m
Mon 29/310:35 -
Nonstop1h 15m
Deal found 11/11£122
Fri 26/312:35 -
Nonstop1h 35m
Mon 29/306:40 -
Nonstop1h 45m
Deal found 11/11£129
Last-minute flights from Southampton to Northern Ireland
Discover last-minute flight deals from Southampton to Northern Ireland. Data last updated 12 November 2026 and is based on user searches.
Mon 30/1117:55 -
1 stop22h 20m
Thu 31/1221:05 -
1 stop15h 50m
Deal found 10/11£107
Mon 7/1215:30 -
1 stop21h 10m
Mon 14/1208:00 -
1 stop6h 55m
Deal found 9/11£76
Mon 7/1215:30 -
1 stop6h 10m
Mon 14/1207:20 -
1 stop7h 35m
Deal found 7/11£100
Mon 7/1215:30 -
1 stop5h 35m
Mon 14/1208:00 -
1 stop6h 55m
Deal found 9/11£116
Tue 8/1212:15 -
1 stop8h 20m
Thu 10/1221:05 -
1 stop15h 50m
Deal found 9/11£78
Thu 10/1216:10 -
Nonstop1h 35m
Mon 14/1210:25 -
Nonstop1h 40m
Deal found 9/11£92
Thu 10/1213:55 -
1 stop8h 25m
Thu 17/1221:05 -
1 stop15h 50m
Deal found 9/11£97
Thu 10/1216:10 -
Nonstop1h 35m
Mon 14/1208:00 -
1 stop6h 55m
Deal found 9/11£98
Thu 10/1213:55 -
1 stop8h 25m
Mon 14/1208:40 -
1 stop6h 15m
Deal found 9/11£104
Fri 11/1213:25 -
1 stop9h 00m
Fri 18/1207:00 -
1 stop5h 55m
Deal found 10/11£85
Fri 11/1213:25 -
1 stop19h 30m
Mon 14/1208:00 -
1 stop6h 55m
Deal found 8/11£102
Mon 21/1212:20 -
1 stop7h 55m
Wed 23/1208:20 -
1 stop6h 05m
Deal found 7/11£106
One-way flights from Southampton to Northern Ireland
Search for one-way flight options from Southampton to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.
Fri 5/218:35 -
Nonstop1h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£20
Thu 18/212:35 -
Nonstop1h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/11£38
Mon 15/212:35 -
Nonstop1h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11£38
Tue 24/1119:40 -
Nonstop1h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11£41
Fri 19/216:10 -
Nonstop1h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/11£44
Wed 18/1108:50 -
Nonstop1h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/11£44
Thu 26/1112:35 -
Nonstop1h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11£47
Fri 19/212:35 -
1 stop6h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/11£47
Fri 19/212:35 -
1 stop20h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/11£47
Fri 5/219:15 -
Nonstop1h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£54
Fri 5/212:35 -
1 stop7h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£59
Mon 15/215:20 -
1 stop23h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11£60
Find flight deals from Southampton to Northern Ireland
Keep the following information in mind while searching for Southampton to Northern Ireland flight deals. Data was last updated 12 November 2026.
Customise your flight search to find flights from Southampton to Northern Ireland 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 7,457,451 searches. Data last updated 12 November 2026.
Use the filters below to find and compare flights from Southampton to Northern Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
Fastest return journey
SouthamptonBelfast
SOU Southampton Eastleigh - BFS Belfast Intl
SOUBFS
Southampton Eastleigh
Fri 5/2
18:35-19:55
Nonstop1h 20m
Belfast Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£20
SouthamptonBelfast
SOU Southampton Eastleigh - BFS Belfast Intl
SOUBFS
Southampton Eastleigh
Fri 19/2
18:35-19:55
Nonstop1h 20m
Belfast Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£20
SouthamptonBelfast
SOU Southampton Eastleigh - BHD Belfast City
SOUBHD
Southampton Eastleigh
Thu 18/2
12:35-14:10
Nonstop1h 35m
Belfast City
Wed 31/12
00:00-00:00
Nonstop0h 00m
£38
SouthamptonBelfast
SOU Southampton Eastleigh - BHD Belfast City
SOUBHD
Southampton Eastleigh
Mon 15/2
12:35-14:10
Nonstop1h 35m
Belfast City
Wed 31/12
00:00-00:00
Nonstop0h 00m
£38
SouthamptonBelfast
SOU Southampton Eastleigh - BHD Belfast City
SOUBHD
Southampton Eastleigh
Wed 18/11
08:50-10:25
Nonstop1h 35m
Belfast City
Wed 31/12
00:00-00:00
Nonstop0h 00m
£44
SouthamptonBelfast
SOU Southampton Eastleigh - BFS Belfast Intl
SOUBFS
Southampton Eastleigh
Mon 22/2
11:05-12:25
Nonstop1h 20m
Belfast Intl
Fri 26/2
16:55-18:05
Nonstop1h 10m
£46
SouthamptonBelfast
SOU Southampton Eastleigh - BHD Belfast City
SOUBHD
Southampton Eastleigh
Fri 19/2
12:35-08:55
1 stop20h 20m
Belfast City
Wed 31/12
00:00-00:00
Nonstop0h 00m
£47
SouthamptonBelfast
SOU Southampton Eastleigh - BHD Belfast City
SOUBHD
Southampton Eastleigh
Fri 5/2
19:15-20:50
Nonstop1h 35m
Belfast City
Wed 31/12
00:00-00:00
Nonstop0h 00m
£54
SouthamptonBelfast
SOU Southampton Eastleigh - BHD Belfast City
SOUBHD
Southampton Eastleigh
Mon 15/2
15:20-14:30
1 stop23h 10m
Belfast City
Wed 31/12
00:00-00:00
Nonstop0h 00m
£60
SouthamptonBelfast
SOU Southampton Eastleigh - BFS Belfast Intl
SOUBFS
Southampton Eastleigh
Thu 10/12
13:55-22:20
1 stop8h 25m
Belfast Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
£62
Flights are sorted by cheapest return flights first.
Deals found on 8/11
Showing 1-10 of 39 resultsSorted by cheapest first
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2
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Best time to book a flight from Southampton to Northern Ireland
Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Southampton with our price prediction graph.
SOU-BFS
SOU-BHD
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 Southampton to Northern Ireland
SOU-GBNIR
SOU-BFS
SOU-BHD
What is the cheapest month to book a flight from Southampton to Northern Ireland?
Currently, September is the cheapest month in which you can book a flight from Southampton to Northern Ireland (average of £88). Flying from Southampton to Northern Ireland in December is currently the most expensive (average of £168). 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 SOU to NIR?
Find hourly flight availability from Southampton to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 November 2026.
When flying from Southampton to Northern Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 45% versus a flight at midday.
How much does it cost for a return flight from Southampton to Northern Ireland?
Airfare is below average for this route at the moment.
Southampton to Northern Ireland flights typically cost between £100 and £162 in February.The cheapest return price found within the last 5 days was £46 on easyJet (22 Feb–26 Feb).
How far ahead should I book a flight from Southampton to Northern Ireland?
The price you pay for your flight from Southampton to Northern Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Northern Ireland
Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated 12 November 2026.
Read through reviews of airlines operating flights from Southampton to Northern Ireland, such as Aer Lingus and easyJet. 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.
Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Related info for your journey
Find useful and relevant information for your journey from Southampton to Northern Ireland. 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 from for flights from Southampton to Northern Ireland?
Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Northern Ireland. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.
How long is the flight from Southampton to Northern Ireland?
There are many flights that can get you from Southampton to Northern Ireland in 1h 20m. Fly via easyJet, KLM, or British Airways to get the fastest option. Southampton and Northern Ireland are separated by a distance of 326 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest flights from Southampton to Northern Ireland?
On average you can expect to pay £87 for a flight from Southampton to Northern Ireland. The cheapest flight overall is £43 while the most popular route, (Southampton Eastleigh - Belfast Intl) is currently priced at £46.
Can I find deals for flights from Southampton to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Southampton to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southampton to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Northern Ireland.
Can I find deals for business class flights from Southampton to Northern Ireland?
Yes. Cheapflights offers flight deals from Southampton to Northern Ireland 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 Southampton to Northern Ireland?
Currently, September is the cheapest month in which you can book a flight from Southampton to Northern Ireland (average of £88). Flying from Southampton to Northern Ireland in December is currently the most expensive (average of £168). 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.
Top 2 airlines flying from Southampton to Northern Ireland
Discover the top 2 airlines that operate flights from Southampton to Northern Ireland. 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 7,457,451 searches. Data last updated 12 November 2026.
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 Southampton to Northern Ireland?
Cheapflights helps you search for flights from Southampton to Northern Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Southampton to Northern Ireland?
Cheapflights helps you find that perfect flight to Northern Ireland from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Southampton to Northern Ireland with no change fees?
Certainly. Search results for flights to Northern Ireland from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Southampton to Northern Ireland become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Northern Ireland from Southampton today and book when prices fit your budget.
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