Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Belfast City Airport to Portsmouth from £38

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LHR
26 Feb — 5 Mar1
1 adult

The best prices from Belfast City to Portsmouth are usually found in February or March, booked 22 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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 21 February 2025.

Round-trip from

£80

One-way from

£38

Popular in

June

Cheapest in

February

Average price

£83
Aer Lingus
  • Aer Lingus
  • 5/4-7/4
  • Nonstop
  • 3h 20m total
  • Belfast to Portsmouth
Search Deals
Aer Lingus
  • Aer Lingus
  • 15/4
  • Nonstop
  • 1h 45m total
  • Belfast to Portsmouth
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Belfast City to Portsmouth

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 21 February 2025.

Sat 5/406:40BHD - SOU
Nonstop1h 45mAer Lingus
Mon 7/408:55SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 21/2£80
Fri 7/317:30BHD - SOU
1 stop15h 40mMultiple Airlines
Sun 9/309:35SOU - BHD
Nonstop1h 40mMultiple Airlines
Deal found 20/2£147
Fri 25/406:40BHD - SOU
Nonstop1h 45mBritish Airways
Mon 28/416:45SOU - BHD
Nonstop1h 35mBritish Airways
Deal found 21/2£225
Sat 5/414:20BHD - SOU
2 stops25h 45measyJet
Mon 7/415:25SOU - BHD
2 stops20h 40measyJet
Deal found 21/2£234

Find flights from Belfast City to Portsmouth within your budget

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 21 February 2025.

Fly from

Belfast City

Fly to

Portsmouth

Route

Depart

Return

Price

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 7/3

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Sun 9/3

09:35-11:15

Nonstop1h 40m

£103

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 5/4

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Mon 7/4

15:25-14:30

1 stop23h 05m

£116

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 25/4

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Mon 28/4

16:45-18:20

Nonstop1h 35m

£225

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 5/4

14:20-16:05

2 stops25h 45m

Southampton Eastleigh

Mon 7/4

15:25-12:05

2 stops20h 40m

£234

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 15/4

06:40-08:25

Nonstop1h 45m

£38

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 15/4

18:45-08:30

1 stop13h 45m

£102

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 14/6

06:40-08:25

Nonstop1h 45m

£119

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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.
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.

Travel insights for flights from Belfast City to Portsmouth

Get recent, data-driven insights about flights from Belfast City to Portsmouth including ideal travel times, pricing trends, and more.

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 14 February 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 22 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 £163). 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 21 February 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 Wednesday at midday when fares are most often at their lowest. Sunday afternoons 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 21 February 2025.

The most flights from BHD to P0R are scheduled on a Friday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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 21 February 2025.
Aer Lingus
7.0
Good
1,070 reviews
Check prices

Entertainment

6.7

Boarding

7.2

Overall

7.0

Comfort

7.0

Food

6.4

Crew

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

LHR - DUB

Our experience with Aer Lingus was really good, all the crew members were really friendly

Aer Lingus
7.0
Good
1,070 reviews
Aer Lingus
7.0
Good
1,070 reviews
Check prices

Entertainment

6.7

Boarding

7.2

Overall

7.0

Comfort

7.0

Food

6.4

Crew

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

LHR - DUB

Our experience with Aer Lingus was really good, all the crew members were really friendly

easyJet
6.9
Okay
1,816 reviews
Aer Lingus
7.0
Good
1,070 reviews
Check prices

Entertainment

6.7

Boarding

7.2

Overall

7.0

Comfort

7.0

Food

6.4

Crew

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

LHR - DUB

Our experience with Aer Lingus was really good, all the crew members were really friendly

British Airways
6.6
Okay
6,762 reviews
Aer Lingus
7.0
Good
1,070 reviews
Check prices

Entertainment

6.7

Boarding

7.2

Overall

7.0

Comfort

7.0

Food

6.4

Crew

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

LHR - DUB

Our experience with Aer Lingus was really good, all the crew members were really friendly

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.

  • 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: Japan Airlines (83%), Finnair (83%), China Southern (83%).

  • What are the cheapest flights from Belfast City Airport to Portsmouth?

    Looking at all options, your cheapest flight can be booked for £52. While the most popular route (Belfast City - Southampton Eastleigh) can be booked for £76 on average our data indicates £704 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.

  • 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 £163). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast City to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Gatwick flights
Belfast Intl to Luton flights
Belfast Intl to Stansted flights
Belfast City to Heathrow flights
Belfast City to Gatwick flights
Belfast City to London City flights
Belfast Intl to London City flights
Belfast Intl to Heathrow flights
Belfast Intl to Manchester flights
Belfast City to Luton flights
Belfast Intl to Birmingham flights
Belfast Intl to Edinburgh flights
Belfast City to Manchester flights
Belfast City to Stansted flights
Belfast Intl to Southampton flights
Belfast City to Edinburgh flights
Belfast Intl to Liverpool flights
Belfast Intl to Bristol flights
Belfast City to Birmingham flights
Belfast Intl to Leeds flights
Belfast City to Liverpool flights
Belfast City to Southampton flights
Belfast City to Bristol flights
Belfast City to Leeds flights
Belfast Intl to Newcastle upon Tyne flights
Belfast Intl to East Midlands flights
Belfast City to Newcastle upon Tyne flights
Belfast City to East Midlands flights
Belfast Intl to Exeter flights
Belfast Intl to Southend flights
Belfast City to Exeter flights
Belfast City to Southend flights
Belfast City to Doncaster flights
Belfast Intl to Doncaster flights

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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£34Average£80FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£65Average£141FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£79Average£138FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.