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Cheap flights from Belfast City Airport to Portsmouth

BHD — LHR
31 Oct — 7 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Belfast City to Portsmouth are usually found in March or February, booked 47 days in advance, depart on a Tuesday or Monday and return on a Saturday

Find flight deals from Belfast City to Portsmouth

Popular in

July

Cheapest in

March

Average price

£118
Highest demand for flights based on searches. 17% potential increase in price (£23 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

Everything you need to know about your flight from Belfast City Airport to Portsmouth

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

When flying from Belfast City Airport to Portsmouth, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the afternoon.

What is the cheapest day to fly from Belfast City Airport to Portsmouth?

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

Reviews of airlines servicing Portsmouth

Read through reviews of airlines operating flights from Belfast City Airport to Portsmouth, such as Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,803 reviews
Check prices

Food

6.7

Entertainment

7.0

Boarding

7.4

Crew

8.1

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.3
Good
1,803 reviews
Aer Lingus
7.3
Good
1,803 reviews
Check prices

Food

6.7

Entertainment

7.0

Boarding

7.4

Crew

8.1

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

  • 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: American Airlines (86%), Japan Airlines (83%), Aer Lingus (78%).

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

    Looking at all options, your cheapest flight can be booked for £76. While the most popular route (Belfast City - Southampton Eastleigh) can be booked for £97 on average, our data indicates £891 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Belfast City to Portsmouth

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£36Average£93FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£89Average£144FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£93Average£167FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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?

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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.

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