Cheap flights from Belfast City Airport to Portsmouth from £52
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.
Cheapflights Tip: The best prices from Belfast City to Portsmouth are usually found in March or February, booked 36 days in advance, depart on a Wednesday or Thursday and return on a Monday
Cheap 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 4 July 2025.
Round-trip from | £88 |
---|---|
One-way from | £52 |
Popular in | July |
Cheapest in | March |
Average price | £143 |
Find flight deals from Belfast City to Portsmouth
Cheapest flights from Belfast City to PortsmouthExplore 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 4 July 2025.
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 4 July 2025.
Cheapflights Fare Finder
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 858,174 searches. Data last updated 4 July 2025.
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
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
BHD - SOU
BHDSOU
Belfast City
Sat 9/8
06:40-08:25
Nonstop1h 45m
Southampton Eastleigh
Sun 10/8
13:10-14:45
Nonstop1h 35m
BelfastSouthampton
BHD - SOU
BHDSOU
Belfast City
Sun 26/10
16:20-17:35
2 stops25h 15m
Southampton Eastleigh
Sun 2/11
14:45-11:30
2 stops20h 45m
BelfastSouthampton
BHD - SOU
BHDSOU
Belfast City
Sun 7/9
06:40-08:25
Nonstop1h 45m
BelfastSouthampton
BHD - SOU
BHDSOU
Belfast City
Sun 7/9
18:45-10:35
1 stop15h 50m
BelfastSouthampton
BHD - SOU
BHDSOU
Belfast City
Mon 13/10
14:30-16:05
Nonstop1h 35m
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.
Cheapflights Insights
Everything you need to know about your flight from Belfast City Airport to Portsmouth
How far ahead should I book a flight from Belfast City Airport to Portsmouth?
Use this chart to determine the optimal time to book a return flight from Belfast City to Portsmouth. Price data was last updated on 27 June 2025.
To ensure you get the cheapest price possible for a flight from Belfast City Airport to Portsmouth, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Belfast City Airport to Portsmouth?
Currently, January is the cheapest month in which you can book a flight from Belfast City Airport to Portsmouth (average of £112). Flying from Belfast City Airport to Portsmouth in August is currently the most expensive (average of £164). 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 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 4 July 2025.
When flying from Belfast City Airport to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 16 December 2024.
Travellers seeking maximum savings on their Belfast City Airport to Portsmouth flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Belfast City Airport to Portsmouth
Explore weekly flight availability from Belfast City to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.
The most flights from BHD to P0R are scheduled on a Thursday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
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 4 July 2025.
Read through reviews of airlines operating flights from Belfast City Airport to Portsmouth, such as Aer Lingus and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
Comfort
Food
Crew
Boarding
Entertainment
Reviews
Tim Hunter,May 2025
LHR - DUB
Overall
Comfort
Food
Crew
Boarding
Entertainment
Reviews
Tim Hunter,May 2025
LHR - DUB
Overall
Comfort
Food
Crew
Boarding
Entertainment
Reviews
Tim Hunter,May 2025
LHR - DUB
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.
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Alternative routes for Belfast City to Portsmouth
See prices for flight routes from nearby airports that may be better suited for you.
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 858,174 searches. Data last updated 4 July 2025.
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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.