Find flights
Airlines
FAQs

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BFS — LHR
16 Apr — 23 Apr1
1 adult
Tue 16/4
Tue 23/4

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 51 days before your planned departure. Booking around this time can save you about 176% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £70 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £111.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Portsmouth. Flights to Portsmouth from Northern Ireland in May are about £63 on average during May, but can be found for as low as £22.

When is the cheapest time to fly from Northern Ireland to Portsmouth (NIR - 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 910,493 searches. Data last updated 11 April 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 30/610:00BFS - SOU
Nonstop1h 15measyJet
Mon 8/709:10SOU - BFS
Nonstop1h 20measyJet
Deal found 11/4£71
Thu 9/510:35BFS - SOU
Nonstop1h 15measyJet
Thu 16/512:30SOU - BFS
Nonstop1h 20measyJet
Deal found 11/4£87
Mon 15/707:20BFS - SOU
Nonstop1h 15measyJet
Fri 19/721:35SOU - BFS
Nonstop1h 20measyJet
Deal found 11/4£124
Mon 8/707:20BFS - SOU
Nonstop1h 15measyJet
Wed 10/712:20SOU - BFS
1 stop8h 00measyJet
Deal found 11/4£179
Sun 30/618:40BHD - SOU
1 stop15h 55measyJet
Mon 8/711:05SOU - BHD
1 stop23h 05measyJet
Deal found 11/4£187
Mon 8/706:40BFS - SOU
1 stop3h 55measyJet
Wed 10/712:20SOU - BFS
1 stop8h 00measyJet
Deal found 11/4£206

Cheap Aer Lingus flights from Northern Ireland to Portsmouth

Explore cheap flight options specifically provided by Aer Lingus 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 910,493 searches. Data last updated 11 April 2024.
Some of the lowest-priced Aer Lingus flights we've found at this time heading from Northern Ireland to Portsmouth. Deals are refreshing constantly so come back soon for more options.
Sun 30/617:20BHD - SOU
Nonstop1h 35mAer Lingus
Mon 8/715:40SOU - BHD
Nonstop1h 40mAer Lingus
Deal found 11/4£106
Mon 8/707:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 10/719:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 11/4£107
Wed 26/607:00BHD - SOU
Nonstop1h 45mAer Lingus
Mon 8/715:40SOU - BHD
Nonstop1h 40mAer Lingus
Deal found 11/4£146
Sat 31/807:00BHD - SOU
Nonstop1h 45mAer Lingus
Sat 7/909:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 11/4£147

Cheap Northern Ireland to Portsmouth flights in April & May 2024

Find cheap flight options from Northern Ireland to Portsmouth specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 910,493 searches. Prices were last updated on 11 April 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.
Sat 4/510:00BFS - SOU
Nonstop1h 15measyJet
Sun 5/511:50SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£74
Fri 3/519:40BFS - SOU
Nonstop1h 15measyJet
Sun 5/511:50SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£80
Fri 12/419:40BFS - SOU
Nonstop1h 15measyJet
Sun 14/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£112
Fri 12/407:00BHD - SOU
Nonstop1h 45mAer Lingus
Sun 14/409:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 10/4£121
Fri 12/417:55BHD - SOU
2 stops15h 30mMultiple Airlines
Sun 14/409:15SOU - BHD
Nonstop1h 35mMultiple Airlines
Deal found 10/4£249
Fri 12/406:55BHD - SOU
1 stop14h 35mMultiple Airlines
Sun 14/409:15SOU - BHD
Nonstop1h 35mMultiple Airlines
Deal found 10/4£260
Fri 3/517:20BHD - SOU
Nonstop1h 35mBritish Airways
Sun 5/519:25SOU - BHD
Nonstop1h 35mBritish Airways
Deal found 10/4£363
Wed 8/517:20BHD - SOU
Nonstop1h 35mBritish Airways
Sat 11/510:45SOU - BHD
2 stops23h 15mBritish Airways
Deal found 10/4£383
Fri 3/515:15BHD - SOU
1 stop4h 10mBritish Airways
Sun 5/519:25SOU - BHD
Nonstop1h 35mBritish Airways
Deal found 10/4£384

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 910,493 searches. Data last updated 11 April 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.
Sun 30/610:00BFS - SOU
Nonstop1h 15measyJet
Mon 8/709:10SOU - BFS
Nonstop1h 20measyJet
Deal found 11/4£71
Sat 4/510:00BFS - SOU
Nonstop1h 15measyJet
Sun 5/511:50SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£74
Fri 3/519:40BFS - SOU
Nonstop1h 15measyJet
Sun 5/511:50SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£80
Fri 2/819:40BFS - SOU
Nonstop1h 15measyJet
Fri 9/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£103
Fri 2/819:40BFS - SOU
Nonstop1h 15measyJet
Fri 9/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£104
Sun 30/617:20BHD - SOU
Nonstop1h 35mAer Lingus
Mon 8/715:40SOU - BHD
Nonstop1h 40mAer Lingus
Deal found 11/4£106
Mon 8/707:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 10/719:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 11/4£107
Fri 12/419:40BFS - SOU
Nonstop1h 15measyJet
Sun 14/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£112
Fri 12/407:00BHD - SOU
Nonstop1h 45mAer Lingus
Sun 14/409:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 10/4£121

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 910,493 searches. Data last updated 11 April 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.
Sun 30/610:00BFS - SOU
Nonstop1h 15measyJet
Mon 8/709:10SOU - BFS
Nonstop1h 20measyJet
Deal found 11/4£71
Sat 4/510:00BFS - SOU
Nonstop1h 15measyJet
Sun 5/511:50SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£74
Fri 3/519:40BFS - SOU
Nonstop1h 15measyJet
Sun 5/511:50SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£80
Thu 9/510:35BFS - SOU
Nonstop1h 15measyJet
Thu 16/512:30SOU - BFS
Nonstop1h 20measyJet
Deal found 11/4£87
Fri 2/819:40BFS - SOU
Nonstop1h 15measyJet
Fri 9/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£103
Fri 2/819:40BFS - SOU
Nonstop1h 15measyJet
Fri 9/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£104
Sun 30/617:20BHD - SOU
Nonstop1h 35mAer Lingus
Mon 8/715:40SOU - BHD
Nonstop1h 40mAer Lingus
Deal found 11/4£106
Mon 8/707:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 10/719:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 11/4£107
Mon 15/707:20BFS - SOU
Nonstop1h 15measyJet
Fri 19/721:35SOU - BFS
Nonstop1h 20measyJet
Deal found 10/4£124

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 910,493 searches. Data last updated 11 April 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.
Fri 17/519:40BFS - SOU
Nonstop1h 15measyJet
Deal found 11/4£26
Fri 17/507:00BHD - SOU
Nonstop1h 45mAer Lingus
Deal found 11/4£29
Sat 11/510:00BFS - SOU
Nonstop1h 15measyJet
Deal found 11/4£33
Sun 19/510:00BFS - SOU
Nonstop1h 15measyJet
Deal found 11/4£36
Sun 19/507:00BHD - SOU
Nonstop1h 45mAer Lingus
Deal found 11/4£63
Sat 11/507:00BHD - SOU
Nonstop1h 45mAer Lingus
Deal found 11/4£65
Sun 19/521:35BFS - SOU
1 stop16h 45measyJet
Deal found 11/4£66
Sat 11/507:10BHD - SOU
1 stop3h 40mMultiple Airlines
Deal found 11/4£71
Sun 19/518:40BHD - SOU
1 stop19h 40measyJet
Deal found 11/4£77

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 910,493 searches. Data last updated 11 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£71 - £147

Route

Depart

Return

Price

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Sun 30/6

Nonstop1h 15m

Southampton Eastleigh

Mon 8/7

Nonstop1h 20m

£71

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Thu 9/5

Nonstop1h 15m

Southampton Eastleigh

Thu 16/5

Nonstop1h 20m

£87

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Sun 30/6

Nonstop1h 35m

Southampton Eastleigh

Mon 8/7

Nonstop1h 40m

£106

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Mon 8/7

Nonstop1h 45m

Southampton Eastleigh

Wed 10/7

Nonstop1h 35m

£107

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Mon 15/7

Nonstop1h 15m

Southampton Eastleigh

Fri 19/7

Nonstop1h 20m

£124

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Sun 30/6

1 stop14h 10m

Southampton Eastleigh

Mon 8/7

Nonstop1h 40m

£135

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Mon 8/7

Nonstop1h 45m

Southampton Eastleigh

Wed 10/7

1 stop5h 00m

£139

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Wed 26/6

Nonstop1h 45m

Southampton Eastleigh

Mon 8/7

Nonstop1h 40m

£146

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Sat 31/8

Nonstop1h 45m

Southampton Eastleigh

Sat 7/9

Nonstop1h 35m

£147

Flights are sorted by cheapest first

Deals found on 11/4

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

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 11 April 2024.
Get a feel of what it's like to fly with easyJet, Aer Lingus and British Airways 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.
7.9
Good
1,659 reviews

Crew

8.4

Food

7.3

Comfort

7.6

Entertainment

7.3

Boarding

7.8

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.9
Good
1,659 reviews
7.9
Good
1,659 reviews

Crew

8.4

Food

7.3

Comfort

7.6

Entertainment

7.3

Boarding

7.8

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.2
Good
1,364 reviews
7.9
Good
1,659 reviews

Crew

8.4

Food

7.3

Comfort

7.6

Entertainment

7.3

Boarding

7.8

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

6.9
Okay
2,877 reviews
7.9
Good
1,659 reviews

Crew

8.4

Food

7.3

Comfort

7.6

Entertainment

7.3

Boarding

7.8

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

6.9
Okay
6,927 reviews
7.9
Good
1,659 reviews

Crew

8.4

Food

7.3

Comfort

7.6

Entertainment

7.3

Boarding

7.8

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full 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 £71, but on average you can expect to pay £210.

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

    Cheapflights has at least 12 direct flights from Northern Ireland to Portsmouth under £100. A good price for a nonstop flight from Northern Ireland to Portsmouth is less than £126.

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

    For one-way options, check prices for easyJet According to our data, you can fly for as little as £26. Users have also found prices from £29 and £257 on Aer Lingus and British Airways, respectively.

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

  • 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 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 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 see available direct flights.

  • 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 do 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 11/4.

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 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 910,493 searches. Data last updated 11 April 2024.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£16Average£43FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Ryanair UKCheapest£22Average£38FlexibilityNo cancel feeOn-timeN/A
Search Ryanair UK flights
easyJetCheapest£23Average£81FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£58Average£194FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£65Average£131FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Eastern AirwaysCheapest£96Average£165FlexibilityNo cancel feeOn-time81%
Search Eastern Airways flights
LoganairCheapest£124Average£175FlexibilityNo cancel feeOn-time79%
Search Loganair flights
KLMCheapest£184Average£1,044FlexibilityNo 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 11 April 2024.
30%of flight departuresEarly morningMidnight to 6 am
27%of flight departuresMorning6 am to noon
34%of flight departuresAfternoonNoon to 6 pm
9%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.

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.