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Cheap flights from Portsmouth to Belfast from £43

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BHD
27 Jan — 3 Feb1
1 adult

The best prices from Portsmouth to Belfast are usually found in January or September, booked 88 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from Portsmouth to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Portsmouth (P0R) to Belfast (BF1). 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

£72

One-way from

£43

Popular in

December

Cheapest in

January

Average price

£75
easyJet
  • easyJet
  • 21/2-28/2
  • Nonstop
  • 2h 30m total
  • Portsmouth to Belfast
easyJet
  • easyJet
  • 3/2
  • Nonstop
  • 1h 20m total
  • Portsmouth to Belfast
Highest demand for flights based on searches. 9% potential increase in price (£7 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in January 2025

Find flight deals from Portsmouth to Belfast

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

Thu 24/720:40SOU - BFS
Nonstop1h 20measyJet
Mon 28/710:35BFS - SOU
Nonstop1h 15measyJet
Deal found 21/1£66
Sat 8/308:55SOU - BHD
Nonstop1h 40mAer Lingus
Tue 11/306:40BHD - SOU
Nonstop1h 45mAer Lingus
Deal found 21/1£77
Sat 8/309:40SOU - BHD
1 stop9h 55mMultiple Airlines
Tue 11/317:20BHD - SOU
Nonstop1h 35mMultiple Airlines
Deal found 21/1£128
Mon 27/112:25SOU - BFS
Nonstop1h 20mMultiple Airlines
Wed 19/318:25BFS - SOU
2 stops14h 20mMultiple Airlines
Deal found 21/1£149
Wed 12/317:20SOU - BHD
1 stop3h 40mKLM
Wed 19/306:30BHD - SOU
1 stop10h 20mKLM
Deal found 21/1£190
Wed 12/308:55SOU - BHD
Nonstop1h 40mBritish Airways
Wed 19/306:40BHD - SOU
Nonstop1h 45mBritish Airways
Deal found 21/1£224

Find flights from Portsmouth to Belfast within your budget

Customise your flight search to find flights from Portsmouth to Belfast 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

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Fri 21/2

13:30-14:50

Nonstop1h 20m

Belfast Intl

Fri 28/2

11:45-12:55

Nonstop1h 10m

£72

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 8/3

08:55-10:35

Nonstop1h 40m

Belfast City

Tue 11/3

06:40-08:25

Nonstop1h 45m

£77

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 8/3

09:40-19:35

1 stop9h 55m

Belfast City

Tue 11/3

17:20-18:55

Nonstop1h 35m

£128

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Fri 28/2

13:30-14:50

Nonstop1h 20m

Belfast Intl

Sun 2/3

21:40-08:45

2 stops11h 05m

£164

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Wed 12/3

17:20-21:00

1 stop3h 40m

Belfast City

Wed 19/3

06:30-16:50

1 stop10h 20m

£190

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Wed 12/3

08:55-10:35

Nonstop1h 40m

Belfast City

Wed 19/3

06:40-08:25

Nonstop1h 45m

£224

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Mon 3/2

12:25-13:45

Nonstop1h 20m

£43

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 17/2

19:25-21:00

Nonstop1h 35m

£106

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Sat 8/3

19:55-15:10

3 stops19h 15m

£361

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Best time to book a flight from Portsmouth to Belfast

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

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

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

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

To ensure you get the cheapest price possible for a flight from Portsmouth to Belfast, you should look to book at least 88 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 Portsmouth to Belfast?

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Belfast (average of £67). Flying from Portsmouth to Belfast in July is currently the most expensive (average of £90). 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 P0R to BFS?

Find hourly flight availability from Portsmouth to Belfast. 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 Portsmouth to Belfast, 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 Portsmouth to Belfast?

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

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

Rainfall in Belfast by month

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

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

Temperature in Belfast by month

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

If weather is an important factor for your trip to Belfast, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated 22 January 2025.
7.8
Good
1,341 reviews

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

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

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

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

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

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

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

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

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

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 Portsmouth to Belfast. 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 Portsmouth to Belfast that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Belfast 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 Portsmouth to Belfast?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Belfast (average of £67). Flying from Portsmouth to Belfast in July is currently the most expensive (average of £90). 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

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Alternative routes for Portsmouth to Belfast

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Portsmouth to Belfast

Discover the top 6 airlines that operate flights from Portsmouth to Belfast. 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£22Average£37FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£34Average£86FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£35Average£57FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£59Average£117FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£65Average£169FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£136Average£183FlexibilityNo cancel feeOn-time79%
Search Loganair flights

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Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Belfast?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Belfast flexibly with Cheapflights today.

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