Cheap flights from Belfast City Airport to Portsmouth from £35
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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LHR
18 Sep — 25 Sep1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Belfast City to Portsmouth are usually found in March or February, booked 47 days in advance, depart on a Tuesday or Monday and return on a Saturday
Cheap flight deals from Belfast City to Portsmouth
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Belfast City to Portsmouth
Explore the most affordable flight options available from Belfast City to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2026.
Sun 6/910:25 -
Nonstop1h 40m
Tue 15/912:35 -
Nonstop1h 35m
Deal found 16/8£75
Sun 30/806:40 -
Nonstop1h 45m
Thu 3/919:30 -
Nonstop1h 35m
Deal found 15/8£77
Tue 15/917:25 -
Nonstop1h 35m
Tue 22/919:30 -
Nonstop1h 35m
Deal found 16/8£82
Sat 12/906:40 -
Nonstop1h 45m
Sat 19/916:45 -
Nonstop1h 35m
Deal found 14/8£86
Sat 3/1010:25 -
Nonstop1h 40m
Sun 4/1008:55 -
Nonstop1h 40m
Deal found 18/8£87
Fri 11/1217:25 -
Nonstop1h 35m
Sun 13/1212:35 -
Nonstop1h 35m
Deal found 18/8£94
Sat 31/1006:40 -
Nonstop1h 45m
Sat 7/1108:55 -
Nonstop1h 40m
Deal found 15/8£99
Sat 29/806:40 -
Nonstop1h 45m
Sun 30/808:55 -
Nonstop1h 40m
Deal found 18/8£99
Sat 26/910:25 -
Nonstop1h 40m
Mon 28/919:30 -
Nonstop1h 35m
Deal found 17/8£104
Fri 30/1006:40 -
Nonstop1h 45m
Fri 30/1012:35 -
Nonstop1h 35m
Deal found 15/8£107
Fri 25/917:25 -
Nonstop1h 35m
Sun 27/908:55 -
Nonstop1h 40m
Deal found 17/8£110
Sat 3/1010:25 -
Nonstop1h 40m
Sun 4/1010:00 -
1 stop4h 35m
Deal found 16/8£134
Best flights from Belfast City to Portsmouth
Discover carefully curated flight deals from Belfast City to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 August 2026.
Sun 30/806:40 -
Nonstop1h 45m
Thu 3/920:00 -
2 stops24h 05m
Deal found 15/8£165
Thu 4/209:40 -
1 stop7h 20m
Sat 13/209:25 -
1 stop7h 25m
Deal found 17/8£226
Fri 9/1017:25 -
Nonstop1h 35m
Mon 12/1019:30 -
Nonstop1h 35m
Deal found 16/8£233
Sat 31/1006:40 -
Nonstop1h 45m
Sat 7/1108:55 -
Nonstop1h 40m
Deal found 15/8£233
Fri 5/209:40 -
1 stop7h 20m
Sat 13/209:25 -
1 stop7h 25m
Deal found 17/8£250
Fri 11/1209:50 -
1 stop6h 45m
Sun 13/1216:05 -
2 stops28h 50m
Deal found 18/8£251
Tue 8/906:40 -
Nonstop1h 45m
Tue 8/919:30 -
Nonstop1h 35m
Deal found 19/8£233
Sat 26/914:40 -
Nonstop1h 35m
Mon 28/912:35 -
Nonstop1h 35m
Deal found 19/8£233
Direct flights from Belfast City to Portsmouth
Explore direct flight options from Belfast City to Portsmouth based on user searches, and compare prices and availability for your desired travel dates. Data last updated 19 August 2026.
Sun 6/910:25 -
Nonstop1h 40m
Tue 15/912:35 -
Nonstop1h 35m
Deal found 16/8£75
Sun 30/806:40 -
Nonstop1h 45m
Thu 3/919:30 -
Nonstop1h 35m
Deal found 15/8£77
Tue 15/917:25 -
Nonstop1h 35m
Tue 22/919:30 -
Nonstop1h 35m
Deal found 16/8£82
Sat 12/906:40 -
Nonstop1h 45m
Sat 19/916:45 -
Nonstop1h 35m
Deal found 14/8£86
Sat 3/1010:25 -
Nonstop1h 40m
Sun 4/1008:55 -
Nonstop1h 40m
Deal found 18/8£87
Fri 11/1217:25 -
Nonstop1h 35m
Sun 13/1212:35 -
Nonstop1h 35m
Deal found 18/8£94
Sat 31/1006:40 -
Nonstop1h 45m
Sat 7/1108:55 -
Nonstop1h 40m
Deal found 15/8£99
Sat 29/806:40 -
Nonstop1h 45m
Sun 30/808:55 -
Nonstop1h 40m
Deal found 18/8£99
Thu 4/210:25 -
Nonstop1h 40m
Fri 12/219:40 -
Nonstop1h 35m
Deal found 17/8£102
Sat 26/910:25 -
Nonstop1h 40m
Mon 28/919:30 -
Nonstop1h 35m
Deal found 17/8£104
Fri 5/217:25 -
Nonstop1h 35m
Fri 12/219:40 -
Nonstop1h 35m
Deal found 17/8£105
Fri 30/1006:40 -
Nonstop1h 45m
Fri 30/1012:35 -
Nonstop1h 35m
Deal found 15/8£107
Last-minute flights from Belfast City to Portsmouth
Discover last-minute flight deals from Belfast City to Portsmouth. Data last updated 19 August 2026 and is based on user searches.
Thu 20/806:40 -
Nonstop1h 45m
Thu 27/808:55 -
Nonstop1h 40m
Deal found 16/8£146
Sat 29/806:40 -
Nonstop1h 45m
Sun 30/808:55 -
Nonstop1h 40m
Deal found 18/8£99
Sun 30/806:40 -
Nonstop1h 45m
Thu 3/919:30 -
Nonstop1h 35m
Deal found 15/8£77
Sun 30/806:40 -
Nonstop1h 45m
Thu 3/911:40 -
1 stop3h 15m
Deal found 15/8£143
Sun 6/910:25 -
Nonstop1h 40m
Tue 15/912:35 -
Nonstop1h 35m
Deal found 16/8£75
Sun 6/906:40 -
Nonstop1h 45m
Tue 15/906:45 -
1 stop10h 05m
Deal found 16/8£154
Thu 10/906:40 -
Nonstop1h 45m
Sat 12/907:50 -
1 stop13h 10m
Deal found 19/8£145
Sat 12/906:40 -
Nonstop1h 45m
Sat 19/916:45 -
Nonstop1h 35m
Deal found 14/8£86
Sat 12/914:40 -
Nonstop1h 35m
Sat 19/907:50 -
1 stop13h 10m
Deal found 14/8£142
Tue 15/917:25 -
Nonstop1h 35m
Tue 22/919:30 -
Nonstop1h 35m
Deal found 16/8£82
Fri 25/917:25 -
Nonstop1h 35m
Sun 27/908:55 -
Nonstop1h 40m
Deal found 17/8£110
Sat 26/910:25 -
Nonstop1h 40m
Mon 28/919:30 -
Nonstop1h 35m
Deal found 17/8£104
One-way flights from Belfast City to Portsmouth
Search for one-way flight options from Belfast City to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.
Mon 7/910:25 -
Nonstop1h 40m
Deal found 18/8£35
Fri 11/906:40 -
Nonstop1h 45m
Deal found 17/8£38
Mon 23/1117:25 -
Nonstop1h 35m
Deal found 15/8£48
Wed 18/1106:40 -
Nonstop1h 45m
Deal found 18/8£54
Mon 24/806:40 -
Nonstop1h 45m
Deal found 16/8£62
Fri 11/915:00 -
1 stop16h 20m
Deal found 17/8£70
Fri 28/806:40 -
Nonstop1h 45m
Deal found 18/8£71
Mon 23/1115:30 -
1 stop20h 15m
Deal found 15/8£80
Thu 27/806:40 -
Nonstop1h 45m
Deal found 17/8£86
Sat 12/918:55 -
1 stop14h 30m
Deal found 17/8£96
Mon 7/908:50 -
2 stops23h 50m
Deal found 18/8£102
Mon 7/912:25 -
1 stop24h 25m
Deal found 18/8£111
Find flight deals from Belfast City to Portsmouth
Keep the following information in mind while searching for Belfast City to Portsmouth flight deals. Data was last updated 19 August 2026.
Customise your flight search to find flights from Belfast City to Portsmouth 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 19 August 2026.
Use the filters below to find and compare flights from Belfast City Airport to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Sun 30/8
06:40-08:25
Nonstop1h 45m
Southampton Eastleigh
Thu 3/9
20:00-20:05
2 stops24h 05m
£165
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Thu 4/2
09:40-17:00
1 stop7h 20m
Southampton Eastleigh
Sat 13/2
09:25-16:50
1 stop7h 25m
£226
Fastest return journey
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Fri 9/10
17:25-19:00
Nonstop1h 35m
Southampton Eastleigh
Mon 12/10
19:30-21:05
Nonstop1h 35m
£233
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Sat 31/10
06:40-08:25
Nonstop1h 45m
Southampton Eastleigh
Sat 7/11
08:55-10:35
Nonstop1h 40m
£233
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Tue 8/9
06:40-08:25
Nonstop1h 45m
Southampton Eastleigh
Tue 8/9
19:30-21:05
Nonstop1h 35m
£233
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Sat 26/9
14:40-16:15
Nonstop1h 35m
Southampton Eastleigh
Mon 28/9
12:35-14:10
Nonstop1h 35m
£233
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Fri 5/2
09:40-17:00
1 stop7h 20m
Southampton Eastleigh
Sat 13/2
09:25-16:50
1 stop7h 25m
£250
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Fri 11/12
09:50-16:35
1 stop6h 45m
Southampton Eastleigh
Sun 13/12
16:05-20:55
2 stops28h 50m
£251
Cheapest one-way
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Fri 11/9
06:40-08:25
Nonstop1h 45m
£38
Fastest single journey
BelfastSouthampton
BHD Belfast City - SOU Southampton Eastleigh
BHDSOU
Belfast City
Mon 23/11
17:25-19:00
Nonstop1h 35m
£48
Flights are sorted by cheapest return flights first.
Deals found on 17/8
Showing 1-10 of 15 resultsSorted by cheapest first
1
2
Best time to book a flight from Belfast City to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Belfast City with our price prediction graph.
BHD-SOU
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 City Airport to Portsmouth
BHD-P0R
BHD-SOU
What is the cheapest time of day to fly from BHD to P0R?
Find hourly flight availability from Belfast City to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2026.
When flying from Belfast City Airport to Portsmouth, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 36% versus a flight in the afternoon.
How much does it cost for a return flight from Belfast City Airport to Portsmouth?
Airfare is below average for this route at the moment.
Belfast City Airport to Portsmouth flights typically cost between £134 and £198 in September.The cheapest return price found within the last 5 days was £75 on Aer Lingus (6 Sept–15 Sept).
What is the cheapest day to fly from Belfast City Airport to Portsmouth?
Use this chart to determine the cheapest time to fly return from Belfast City to Portsmouth. Price data was last updated on 15 August 2026.
Travellers seeking maximum savings on their Belfast City Airport to Portsmouth flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Portsmouth
Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated 19 August 2026.
Read through reviews of airlines operating flights from Belfast City Airport to Portsmouth, such as Aer Lingus. Reviews also offer insight into each airline's 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.
Related info for your journey
Find useful and relevant information for your journey from Belfast City to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Belfast City Airport to Portsmouth?
For as low as £233, KLM can have you in Portsmouth from Belfast City Airport in 1h 35m. Belfast City Airport and Portsmouth are separated by a distance of 316 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from Belfast City Airport to Portsmouth?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Belfast City Airport to Portsmouth on time: American Airlines (83%), Japan Airlines (79%), LATAM Airlines (76%).
What are the cheapest flights from Belfast City Airport to Portsmouth?
Looking at all options, your cheapest flight can be booked for £68. While the most popular route (Belfast City - Southampton Eastleigh) can be booked for £87 on average, our data indicates £1,923 when flying from Belfast City Airport to Portsmouth.
Can I find deals for flights from Belfast City to Portsmouth that include hotel bookings?
Yes. In addition to deals on Belfast City to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast City to Portsmouth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast City to Portsmouth.
Can I find deals for business class flights from Belfast City to Portsmouth?
Yes. Cheapflights offers flight deals from Belfast City to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Browse through other flights departing from Belfast City. Flights are based on user searches made on Cheapflights and were last updated on 19 August 2026.
Top 3 airlines flying from Belfast City to Portsmouth
Discover the top 3 airlines that operate flights from Belfast City to Portsmouth. 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 19 August 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 Belfast City to Portsmouth?
Cheapflights makes it easy to find Belfast City to Portsmouth flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Belfast City to Portsmouth?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast City to Portsmouth for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Belfast City to Portsmouth with no change fees?
Yes! Cheapflights helps users easily find flights from Belfast City to Portsmouth with no change fees.
Can Cheapflights notify me if prices for flights from Belfast City to Portsmouth become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portsmouth from Belfast City today and book when prices fit your budget.
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