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Cheap flights from Belfast to Portsmouth from £31

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LHR
27 Jan — 3 Feb1
1 adult

The best prices from Belfast to Portsmouth are usually found in March or September, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Belfast to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 January 2025.

Round-trip from

£79

One-way from

£31

Popular in

June

Cheapest in

March

Average price

£80
easyJet
  • easyJet
  • 25/4-28/4
  • Nonstop
  • 2h 35m total
  • Belfast to Portsmouth
easyJet
  • easyJet
  • 12/5
  • Nonstop
  • 1h 15m total
  • Belfast to Portsmouth
Highest demand for flights based on searches. 26% potential increase in price (£28 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in January 2025

Find flight deals from Belfast to Portsmouth

Cheapest flights from Belfast to Portsmouth
Explore the most affordable flight options available from Belfast to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.

Fri 25/410:30BFS - SOU
Nonstop1h 15measyJet
Mon 28/411:50SOU - BFS
Nonstop1h 20measyJet
Deal found 21/1£79
Fri 4/410:20BHD - SOU
Nonstop1h 40mAer Lingus
Thu 10/408:55SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 21/1£161
Mon 24/210:45BFS - SOU
Nonstop1h 10mMultiple Airlines
Tue 25/209:30SOU - BFS
2 stops11h 20mMultiple Airlines
Deal found 21/1£181
Fri 25/410:20BHD - SOU
Nonstop1h 40mBritish Airways
Mon 28/416:45SOU - BHD
Nonstop1h 35mBritish Airways
Deal found 21/1£224
Tue 10/606:55BHD - SOU
1 stop5h 05mMultiple Airlines
Fri 27/608:55SOU - BHD
Nonstop1h 35mMultiple Airlines
Deal found 21/1£278
Tue 10/617:25BHD - SOU
1 stop15h 25mKLM
Fri 27/617:35SOU - BHD
1 stop3h 40mKLM
Deal found 21/1£342

Find flights from Belfast to Portsmouth within your budget

Customise your flight search to find flights from Belfast 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 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Fri 25/4

10:30-11:45

Nonstop1h 15m

Southampton Eastleigh

Mon 28/4

11:50-13:10

Nonstop1h 20m

£79

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 4/4

10:20-12:00

Nonstop1h 40m

Southampton Eastleigh

Thu 10/4

08:55-10:30

Nonstop1h 35m

£161

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Mon 24/2

10:45-11:55

Nonstop1h 10m

Southampton Eastleigh

Tue 25/2

09:30-20:50

2 stops11h 20m

£181

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 25/4

10:20-12:00

Nonstop1h 40m

Southampton Eastleigh

Mon 28/4

16:45-18:20

Nonstop1h 35m

£224

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 10/6

06:55-12:00

1 stop5h 05m

Southampton Eastleigh

Fri 27/6

08:55-10:30

Nonstop1h 35m

£278

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 10/6

17:25-08:50

1 stop15h 25m

Southampton Eastleigh

Fri 27/6

17:35-21:15

1 stop3h 40m

£342

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Mon 12/5

10:05-11:20

Nonstop1h 15m

£31

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Best time to book a flight from Belfast to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Belfast 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 to Portsmouth

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

How far ahead should I book a flight from Belfast to Portsmouth?

Use this chart to determine the optimal time to book a return flight from Belfast to Portsmouth. Price data was last updated on 17 January 2025.

The price you pay for your flight from Belfast to Portsmouth may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Belfast to Portsmouth?

Currently, January is the cheapest month in which you can book a flight from Belfast to Portsmouth (average of £112). Flying from Belfast to Portsmouth in August is currently the most expensive (average of £161). 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 BFS to P0R?

Find hourly flight availability from Belfast 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 22 January 2025.

When flying from Belfast 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 to Portsmouth?

Use this chart to determine the cheapest time to fly return from Belfast to Portsmouth. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Belfast to Portsmouth flight should consider departing on Friday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 22 January 2025.
7.8
Good
1,341 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.8
Good
1,341 reviews
7.8
Good
1,341 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.1
Good
1,082 reviews
7.8
Good
1,341 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

6.9
Okay
1,859 reviews
7.8
Good
1,341 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

6.6
Okay
6,834 reviews
7.8
Good
1,341 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find deals for flights from Belfast to Portsmouth that include hotel bookings?

    Yes. In addition to deals on Belfast to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to Portsmouth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Portsmouth.

  • Can I find deals for business class flights from Belfast to Portsmouth?

    Yes. Cheapflights offers flight deals from Belfast 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 to Portsmouth?

    Currently, January is the cheapest month in which you can book a flight from Belfast to Portsmouth (average of £112). Flying from Belfast to Portsmouth in August is currently the most expensive (average of £161). 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

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Top 6 airlines flying from Belfast to Portsmouth

Discover the top 6 airlines that operate flights from Belfast 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 22 January 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£20Average£41FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£33Average£51FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£33Average£91FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£59Average£128FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£78Average£152FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£140Average£196FlexibilityNo cancel feeOn-time79%
Search Loganair 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 to Portsmouth?

Deals for Belfast to Portsmouth 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 Belfast to Portsmouth?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast to Portsmouth for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Belfast to Portsmouth with no change fees?

Certainly. Search results for flights to Portsmouth from Belfast 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 Belfast to Portsmouth become cheaper?

Yes, Cheapflights offers price alerts on Belfast to Portsmouth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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