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Cheap flights from Northern Ireland to Portsmouth from £26

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LHR
31 Jul — 7 Aug1
1 adult
Wed 31/7
Wed 7/8

How far in advance should I book a flight from Northern Ireland to Portsmouth?

To save on the cost of your flight from Northern Ireland to Portsmouth, book at least 54 days before your planned departure. Booking around this time can save you about 162% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £50 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £92.

What is the cheapest month to fly from Northern Ireland to Portsmouth?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, November can be a great choice for travel to Portsmouth. Flights to Portsmouth from Northern Ireland in November are about £57 on average during November, but can be found for as low as £14.

What is the cheapest time of day to fly from NIR to P0R?

When flying from Northern Ireland 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.

Cheap easyJet flights from Northern Ireland to Portsmouth

Explore cheap flight options specifically provided by easyJet for the route between Northern Ireland and Portsmouth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
Consider these cheap easyJet flights we've found departing from Northern Ireland to Portsmouth. Be sure to come back soon if the deals available don't appeal to you at this time.
Sun 25/810:00BFS - SOU
Nonstop1h 15measyJet
Sat 31/812:25SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£68
Thu 22/819:40BFS - SOU
Nonstop1h 15measyJet
Thu 29/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£71
Mon 12/807:20BFS - SOU
Nonstop1h 15measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£79
Sun 11/810:00BFS - SOU
Nonstop1h 15measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£88
Sat 14/910:00BFS - SOU
Nonstop1h 15measyJet
Mon 16/911:50SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£102
Mon 12/806:40BFS - SOU
1 stop3h 55measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£111
Thu 22/819:40BFS - SOU
Nonstop1h 15measyJet
Thu 29/812:05SOU - BFS
1 stop9h 45measyJet
Deal found 25/7£121
Sun 25/810:00BFS - SOU
Nonstop1h 15measyJet
Sat 31/811:20SOU - BFS
1 stop4h 30measyJet
Deal found 25/7£124
Sun 11/821:30BFS - SOU
1 stop13h 05measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£155

Cheap British Airways flights from Northern Ireland to Portsmouth

Explore cheap flight options specifically provided by British Airways for the route between Northern Ireland and Portsmouth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
Some of the lowest-priced British Airways flights we've found at this time heading from Northern Ireland to Portsmouth. Deals are refreshing constantly so come back soon for more options.
Fri 11/1013:30BHD - SOU
Nonstop1h 40mBritish Airways
Fri 11/1019:25SOU - BHD
Nonstop1h 35mBritish Airways
Deal found 25/7£223
Sat 10/807:45BHD - SOU
Nonstop1h 45mBritish Airways
Wed 14/815:40SOU - BHD
Nonstop1h 40mBritish Airways
Deal found 25/7£265
Sat 10/806:55BHD - SOU
1 stop6h 25mBritish Airways
Wed 14/815:40SOU - BHD
Nonstop1h 40mBritish Airways
Deal found 25/7£405
Fri 11/1006:55BHD - SOU
1 stop5h 05mBritish Airways
Fri 11/1015:40SOU - BHD
Nonstop1h 40mBritish Airways
Deal found 25/7£412
Sat 10/807:45BHD - SOU
Nonstop1h 45mBritish Airways
Wed 14/816:30SOU - BHD
2 stops16h 20mBritish Airways
Deal found 25/7£464
Fri 11/1006:55BHD - SOU
1 stop5h 05mBritish Airways
Fri 11/1016:30SOU - BHD
1 stop4h 40mBritish Airways
Deal found 25/7£600

Cheap Northern Ireland to Portsmouth flights in July & August 2024

Find cheap flight options from Northern Ireland to Portsmouth specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 1,000,913 searches. Prices were last updated on 26 July 2024.
Listed are some of the best fares we've found on flights departing from Northern Ireland to Portsmouth in 2024. Check back regularly for other flight deals.
Wed 21/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 28/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/7£51
Wed 21/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 28/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/7£58
Sun 25/810:00BFS - SOU
Nonstop1h 15measyJet
Sat 31/812:25SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£68
Thu 22/819:40BFS - SOU
Nonstop1h 15measyJet
Thu 29/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£71
Mon 12/807:20BFS - SOU
Nonstop1h 15measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£79
Sun 11/810:00BFS - SOU
Nonstop1h 15measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£88
Sat 24/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Fri 30/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/7£88
Thu 22/813:30BHD - SOU
Nonstop1h 40mAer Lingus
Thu 29/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 25/7£96
Mon 12/806:40BFS - SOU
1 stop3h 55measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£111

Northern Ireland to Portsmouth 2024 flight deals

Discover exclusive flight deals for travel between Northern Ireland and Portsmouth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
Listed are some of the best fares we've found on flights departing from Northern Ireland to Portsmouth in 2024. Check back regularly for other flight deals.
Wed 21/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 28/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/7£51
Wed 21/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 28/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/7£58
Sun 25/810:00BFS - SOU
Nonstop1h 15measyJet
Sat 31/812:25SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£68
Thu 22/819:40BFS - SOU
Nonstop1h 15measyJet
Thu 29/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£71
Mon 12/807:20BFS - SOU
Nonstop1h 15measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£79
Sun 11/810:00BFS - SOU
Nonstop1h 15measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£88
Sat 24/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Fri 30/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/7£88
Thu 22/813:30BHD - SOU
Nonstop1h 40mAer Lingus
Thu 29/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 25/7£96
Sat 14/910:00BFS - SOU
Nonstop1h 15measyJet
Mon 16/911:50SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£102

Direct flights to Portsmouth from Northern Ireland

Discover direct flight options from Northern Ireland to Portsmouth. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
To help reduce your travel time, choose from one of these non-stop flights from Northern Ireland to Portsmouth. Users seeking other options on flights from Northern Ireland to Portsmouth should update the search form at the top of the page.
Wed 21/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 28/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/7£51
Wed 21/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 28/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/7£58
Sun 25/810:00BFS - SOU
Nonstop1h 15measyJet
Sat 31/812:25SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£68
Thu 22/819:40BFS - SOU
Nonstop1h 15measyJet
Thu 29/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£71
Mon 12/807:20BFS - SOU
Nonstop1h 15measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£79
Sun 11/810:00BFS - SOU
Nonstop1h 15measyJet
Thu 15/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£88
Sat 24/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Fri 30/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/7£88
Thu 22/813:30BHD - SOU
Nonstop1h 40mAer Lingus
Thu 29/819:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 25/7£96
Sat 14/910:00BFS - SOU
Nonstop1h 15measyJet
Mon 16/911:50SOU - BFS
Nonstop1h 20measyJet
Deal found 25/7£102

One-way flights to Portsmouth from Northern Ireland

Search for one-way flight options from Northern Ireland to Portsmouth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
Some of the best available deals we've found on one-way flights from Northern Ireland to Portsmouth. Users can also find round-trip Northern Ireland to Portsmouth flights by using the search form above.
Tue 3/913:30BHD - SOU
Nonstop1h 40mAer Lingus
Deal found 25/7£26
Sat 21/910:00BFS - SOU
Nonstop1h 15measyJet
Deal found 25/7£30
Sat 7/910:00BFS - SOU
Nonstop1h 15measyJet
Deal found 25/7£43
Thu 8/819:40BFS - SOU
Nonstop1h 15measyJet
Deal found 25/7£43
Thu 22/819:40BFS - SOU
Nonstop1h 15measyJet
Deal found 25/7£44
Tue 3/921:25BFS - SOU
1 stop11h 05measyJet
Deal found 25/7£52
Sat 7/907:45BHD - SOU
Nonstop1h 45mAer Lingus
Deal found 25/7£57
Fri 2/819:40BFS - SOU
Nonstop1h 15measyJet
Deal found 24/7£60
Sun 8/907:00BHD - SOU
Nonstop1h 45mAer Lingus
Deal found 25/7£64

Find flights from Northern Ireland to Portsmouth within your budget

Customise your flight search to find flights from Northern Ireland 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 1,000,913 searches. Data last updated 26 July 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£68 - £223

Route

Depart

Return

Price

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Sun 25/8

Nonstop1h 15m

Southampton Eastleigh

Sat 31/8

Nonstop1h 20m

£68

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Thu 22/8

Nonstop1h 15m

Southampton Eastleigh

Thu 29/8

Nonstop1h 20m

£71

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Mon 12/8

Nonstop1h 15m

Southampton Eastleigh

Thu 15/8

Nonstop1h 20m

£79

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Sun 11/8

Nonstop1h 15m

Southampton Eastleigh

Thu 15/8

Nonstop1h 20m

£88

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Thu 22/8

Nonstop1h 40m

Southampton Eastleigh

Thu 29/8

Nonstop1h 35m

£96

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Sat 14/9

Nonstop1h 15m

Southampton Eastleigh

Mon 16/9

Nonstop1h 20m

£102

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Sun 11/8

Nonstop1h 45m

Southampton Eastleigh

Thu 15/8

Nonstop1h 35m

£123

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Mon 12/8

2 stops16h 30m

Southampton Eastleigh

Thu 15/8

Nonstop1h 20m

£158

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Fri 11/10

Nonstop1h 40m

Southampton Eastleigh

Fri 11/10

Nonstop1h 35m

£223

Flights are sorted by cheapest first

Deals found on 25/7

No data available for this route at this time. Please check back soon.

Best time to book a flight from Northern Ireland to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Northern Ireland 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.

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 26 July 2024.
Get a feel of what it's like to fly with easyJet, British Airways and Aer Lingus from Northern Ireland to Portsmouth by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.2
Good
1,198 reviews

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

7.1

Boarding

7.3

Crew

8.0

Reviews

1 / 10

It was good, despite a significant delay which almost made me miss my connecting flight.

7.2
Good
1,198 reviews
7.2
Good
1,198 reviews

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

7.1

Boarding

7.3

Crew

8.0

Reviews

1 / 10

It was good, despite a significant delay which almost made me miss my connecting flight.

6.9
Okay
2,223 reviews
7.2
Good
1,198 reviews

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

7.1

Boarding

7.3

Crew

8.0

Reviews

1 / 10

It was good, despite a significant delay which almost made me miss my connecting flight.

6.7
Okay
6,717 reviews
7.2
Good
1,198 reviews

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

7.1

Boarding

7.3

Crew

8.0

Reviews

1 / 10

It was good, despite a significant delay which almost made me miss my connecting flight.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland 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 flights from Northern Ireland to Portsmouth for under £100 on Cheapflights?

    Yes, there are multiple flights from Northern Ireland to Portsmouth for under £100. The cheapest flight booked recently is on easyJet for just £68, but on average you can expect to pay £139.

  • Are there nonstop flights from Northern Ireland to Portsmouth for under £100 on Cheapflights?

    Cheapflights has at least 15 direct flights from Northern Ireland to Portsmouth under £100. A good price for a nonstop flight from Northern Ireland to Portsmouth is less than £120.

  • What are the cheapest airlines to fly from Northern Ireland to Portsmouth one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £26. Users have also found prices from £30 and £117 on easyJet and British Airways, respectively.

  • What does BFS to LHR mean?

    BFS stands for Belfast Intl Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), Southampton Eastleigh Airport (SOU) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Northern Ireland to Portsmouth that include extra baggage allowance?

    The amount of baggage you can bring on your Northern Ireland to Portsmouth flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Northern Ireland to Portsmouth with specific airlines?

    Yes, Cheapflights allows you to browse and filter Northern Ireland to Portsmouth flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Northern Ireland to Portsmouth that include hotel bookings?

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

  • How can I find direct flights from Northern Ireland to Portsmouth?

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland 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.

  • Can I find deals for flights from Northern Ireland to Portsmouth that allow pets onboard?

    Many airlines flying from Northern Ireland to Portsmouth offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Northern Ireland to Portsmouth?

    Yes, you can often find last-minute deals on Northern Ireland to Portsmouth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Northern Ireland to Portsmouth flight deals updated?

    The Northern Ireland to Portsmouth flight deals you see on this page were last updated on 25/7.

  • What are the most popular airlines that fly from Northern Ireland to Portsmouth?

  • What is the cheapest month to book a flight from Northern Ireland to Portsmouth?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Portsmouth (average of £110). Flying from Northern Ireland to Portsmouth in July is currently the most expensive (average of £159). 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 Northern Ireland to Portsmouth
See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Northern Ireland to Portsmouth

Discover the top 8 airlines that operate flights from Northern Ireland 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 1,000,913 searches. Data last updated 26 July 2024.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£16Average£44FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Ryanair UKCheapest£17Average£38FlexibilityNo cancel feeOn-timeN/A
Search Ryanair UK flights
easyJetCheapest£23Average£81FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£53Average£172FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£68Average£133FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Eastern AirwaysCheapest£94Average£160FlexibilityNo cancel feeOn-time81%
Search Eastern Airways flights
LoganairCheapest£121Average£157FlexibilityNo cancel feeOn-time79%
Search Loganair flights
KLMCheapest£179Average£1,017FlexibilityNo cancel feeOn-time75%
Search KLM flights

Search flights from Northern Ireland to Portsmouth by cabin class

Find flights from Northern Ireland to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Northern Ireland to Portsmouth

Find hourly flight availability from Northern Ireland 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 26 July 2024.
1%of flight departuresEarly morningMidnight to 6 am
49%of flight departuresMorning6 am to noon
32%of flight departuresAfternoonNoon to 6 pm
18%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

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 Northern Ireland to Portsmouth?

Deals for Northern Ireland 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 Northern Ireland to Portsmouth?

Cheapflights helps you find that perfect flight to Portsmouth from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Northern Ireland to Portsmouth with no change fees.

Can Cheapflights notify me if prices for flights from Northern Ireland to Portsmouth become cheaper?

Not ready to book yet? You can track prices for flights from Northern Ireland to Portsmouth on Cheapflights with our Price Alert feature and get notified when better prices are available.

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