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Cheap flights from Belfast to Portsmouth from £25

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Portsmouth departing on 17/3. 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.
BHD — LHR
3 Mar — 10 Mar1
1 adult
Sun 3/3
Sun 10/3

The best prices from Belfast to Portsmouth are usually found in January or December, booked 47 days in advance, depart on a Monday or Wednesday and return on a Monday

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 28 February 2024.

Popular in

June

Cheapest in

January

Average price

£98

Round-trip from

£58
High demand for flights, 21% potential price rise
Best time to find cheap flights, 31% potential price drop
Average for round-trip flights in February 2024
From Belfast to Portsmouth

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

Travelers have found it’s best to book a flight 51 days in advance to save up to 176% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 51 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Belfast to Portsmouth 1-2 weeks in advance for as low as £69, or £110 for flights within the next 24 hours.

What is the cheapest month to fly from Belfast to Portsmouth?

May can be a great time to fly to Portsmouth from Belfast with a flight ticket averaging about £62. Cheapflights users have found deals in the month of May for as cheap as £22. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Belfast to Portsmouth (BFS - P0R)?

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.

Cheap easyJet flights from Belfast to Portsmouth

Explore cheap flight options specifically provided by easyJet for the route between Belfast 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 930,223 searches. Data last updated 28 February 2024.
Check out some of the cheapest easyJet flights we've come across from Belfast to Portsmouth. It's recommended that users confirm their flight details before booking.
Thu 18/410:35BFS - SOU
Nonstop1h 15measyJet
Mon 22/411:50SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£62
Sun 31/310:10BFS - SOU
Nonstop1h 15measyJet
Sun 7/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£65
Mon 4/310:25BFS - SOU
Nonstop1h 15measyJet
Mon 11/312:30SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£66
Fri 8/311:40BFS - SOU
Nonstop1h 15measyJet
Sun 10/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£67
Sun 10/308:50BFS - SOU
Nonstop1h 15measyJet
Sun 24/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£80
Fri 8/321:10BFS - SOU
1 stop12h 15measyJet
Sun 10/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£95
Fri 3/519:40BFS - SOU
Nonstop1h 15measyJet
Mon 6/511:50SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£104
Wed 3/420:10BFS - SOU
1 stop13h 45measyJet
Sat 6/411:45SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£108
Mon 1/410:05BFS - SOU
Nonstop1h 15measyJet
Sat 6/411:20SOU - BFS
1 stop11h 00measyJet
Deal found 27/2£156

Cheap Aer Lingus flights from Belfast to Portsmouth

Explore cheap flight options specifically provided by Aer Lingus for the route between Belfast 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 930,223 searches. Data last updated 28 February 2024.
To aid your search, here are some of the cheapest Aer Lingus flights we've found from Belfast to Portsmouth. Deals are refreshing constantly so come back soon for more options.
Fri 7/607:00BHD - SOU
Nonstop1h 45mAer Lingus
Tue 11/609:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£81
Mon 13/507:00BHD - SOU
Nonstop1h 45mAer Lingus
Fri 17/519:25SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£95
Wed 27/309:40BHD - SOU
Nonstop1h 35mAer Lingus
Wed 27/319:05SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£111
Wed 3/407:00BHD - SOU
Nonstop1h 45mAer Lingus
Sat 6/409:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£117
Sun 31/307:00BHD - SOU
Nonstop1h 45mAer Lingus
Sun 7/409:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£117
Mon 1/407:00BHD - SOU
Nonstop1h 45mAer Lingus
Sat 6/409:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£121
Sun 21/707:00BHD - SOU
Nonstop1h 45mAer Lingus
Tue 6/809:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 26/2£123
Fri 8/306:45BHD - SOU
Nonstop1h 35mAer Lingus
Sun 10/308:45SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£129
Thu 28/317:00BHD - SOU
Nonstop1h 35mAer Lingus
Thu 4/409:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£132

Cheap Belfast to Portsmouth flights in February & March 2024

Find cheap flight options from Belfast to Portsmouth specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 930,223 searches. Prices were last updated on 28 February 2024.
Check out some of the best flight deals from Belfast to Portsmouth in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 31/310:10BFS - SOU
Nonstop1h 15measyJet
Sun 7/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£56
Mon 4/310:25BFS - SOU
Nonstop1h 15measyJet
Mon 11/312:30SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£66
Sun 10/308:50BFS - SOU
Nonstop1h 15measyJet
Sun 24/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£80
Mon 4/306:45BHD - SOU
Nonstop1h 35mAer Lingus
Mon 11/319:05SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£81
Wed 27/309:40BHD - SOU
Nonstop1h 35mAer Lingus
Wed 27/319:05SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£111
Sun 31/307:00BHD - SOU
Nonstop1h 45mAer Lingus
Sun 7/409:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 26/2£117
Fri 8/318:15BHD - SOU
1 stop15h 10mMultiple Airlines
Sun 10/308:45SOU - BHD
Nonstop1h 35mMultiple Airlines
Deal found 26/2£122
Fri 8/306:45BHD - SOU
Nonstop1h 35mAer Lingus
Sun 10/308:45SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 26/2£129
Thu 28/317:00BHD - SOU
Nonstop1h 35mAer Lingus
Thu 4/409:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£132

Belfast to Portsmouth 2024 flight deals

Discover exclusive flight deals for travel between Belfast and Portsmouth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 930,223 searches. Data last updated 28 February 2024.
Check out some of the best flight deals from Belfast to Portsmouth in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 31/310:10BFS - SOU
Nonstop1h 15measyJet
Sun 7/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£56
Thu 18/410:35BFS - SOU
Nonstop1h 15measyJet
Mon 22/411:50SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£62
Mon 4/310:25BFS - SOU
Nonstop1h 15measyJet
Mon 11/312:30SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£66
Fri 19/419:40BFS - SOU
Nonstop1h 15measyJet
Sun 21/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£72
Fri 19/419:40BFS - SOU
Nonstop1h 15measyJet
Sun 21/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£73
Sun 10/308:50BFS - SOU
Nonstop1h 15measyJet
Sun 24/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£80
Mon 4/306:45BHD - SOU
Nonstop1h 35mAer Lingus
Mon 11/319:05SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£81
Sun 9/610:00BFS - SOU
Nonstop1h 15measyJet
Fri 14/621:35SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£82
Thu 19/907:00BHD - SOU
Nonstop1h 45mAer Lingus
Wed 25/909:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 26/2£95

Direct flights to Portsmouth from Belfast

Discover direct flight options from Belfast 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 930,223 searches. Data last updated 28 February 2024.
Take a look at some of the direct flights travelling from Belfast to Portsmouth in the near future. Users seeking other options on flights from Belfast to Portsmouth should update the search form at the top of the page.
Sun 31/310:10BFS - SOU
Nonstop1h 15measyJet
Sun 7/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£56
Thu 18/410:35BFS - SOU
Nonstop1h 15measyJet
Mon 22/411:50SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£62
Fri 19/419:40BFS - SOU
Nonstop1h 15measyJet
Sun 21/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£72
Fri 19/419:40BFS - SOU
Nonstop1h 15measyJet
Sun 21/412:00SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£73
Sun 10/308:50BFS - SOU
Nonstop1h 15measyJet
Sun 24/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£80
Fri 7/607:00BHD - SOU
Nonstop1h 45mAer Lingus
Tue 11/609:15SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£81
Sun 9/610:00BFS - SOU
Nonstop1h 15measyJet
Fri 14/621:35SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£82
Sat 20/710:30BFS - SOU
Nonstop1h 15measyJet
Fri 30/821:35SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£100
Fri 3/519:40BFS - SOU
Nonstop1h 15measyJet
Mon 6/511:50SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£104

Belfast to Portsmouth flights leaving soon

Find last-minute flight options from Belfast to Portsmouth for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 930,223 searches. Data last updated 28 February 2024.
Users seeking a last-minute flight from Belfast to Portsmouth should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Mon 4/310:25BFS - SOU
Nonstop1h 15measyJet
Mon 11/312:30SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£66
Fri 8/311:40BFS - SOU
Nonstop1h 15measyJet
Sun 10/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£67
Sun 10/308:50BFS - SOU
Nonstop1h 15measyJet
Sun 24/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 26/2£80
Mon 4/306:45BHD - SOU
Nonstop1h 35mAer Lingus
Mon 11/319:05SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£81
Fri 8/321:10BFS - SOU
1 stop12h 15measyJet
Sun 10/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£95
Fri 8/306:45BHD - SOU
Nonstop1h 35mAer Lingus
Sun 10/308:45SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£129
Mon 4/313:25BFS - SOU
2 stops19h 30mMultiple Airlines
Mon 11/312:30SOU - BFS
Nonstop1h 20mMultiple Airlines
Deal found 27/2£147
Mon 4/306:35BHD - SOU
2 stops26h 20mAer Lingus
Mon 11/319:05SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 27/2£154
Fri 8/306:35BFS - SOU
2 stops24h 10measyJet
Sun 10/310:55SOU - BFS
Nonstop1h 20measyJet
Deal found 27/2£179

One-way flights to Portsmouth from Belfast

Search for one-way flight options from Belfast 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 930,223 searches. Data last updated 28 February 2024.
Users travelling one-way from Belfast to Portsmouth can select one of these great deals. For those needing a return trip from Belfast, there is a search form available above.
Sun 17/308:50BFS - SOU
Nonstop1h 15measyJet
Deal found 27/2£25
Wed 13/309:40BHD - SOU
Nonstop1h 35mAer Lingus
Deal found 26/2£28
Mon 4/306:45BHD - SOU
Nonstop1h 35mAer Lingus
Deal found 26/2£29
Wed 27/309:40BHD - SOU
Nonstop1h 35mAer Lingus
Deal found 27/2£55
Mon 4/310:25BFS - SOU
Nonstop1h 15measyJet
Deal found 26/2£56
Wed 13/320:25BFS - SOU
1 stop20h 55measyJet
Deal found 26/2£69
Wed 13/320:40BFS - SOU
2 stops20h 40measyJet
Deal found 26/2£95
Mon 4/315:00BHD - SOU
2 stops17h 55mAer Lingus
Deal found 26/2£102
Wed 27/320:25BFS - SOU
1 stop20h 55measyJet
Deal found 27/2£102

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 930,223 searches. Data last updated 28 February 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£62 - £119

Route

Depart

Return

Price

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Thu 18/4

Nonstop1h 15m

Southampton Eastleigh

Mon 22/4

Nonstop1h 20m

£62

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Sun 31/3

Nonstop1h 15m

Southampton Eastleigh

Sun 7/4

Nonstop1h 20m

£65

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Fri 8/3

Nonstop1h 15m

Southampton Eastleigh

Sun 10/3

Nonstop1h 20m

£67

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Sun 10/3

Nonstop1h 15m

Southampton Eastleigh

Sun 24/3

Nonstop1h 20m

£80

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Fri 7/6

Nonstop1h 45m

Southampton Eastleigh

Tue 11/6

Nonstop1h 35m

£81

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Mon 13/5

Nonstop1h 45m

Southampton Eastleigh

Fri 17/5

Nonstop1h 35m

£95

Belfast IntlSouthampton Eastleigh

BFS - SOU

BFSSOU

Belfast Intl

Fri 8/3

1 stop12h 15m

Southampton Eastleigh

Sun 10/3

Nonstop1h 20m

£95

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Wed 27/3

Nonstop1h 35m

Southampton Eastleigh

Wed 27/3

Nonstop1h 35m

£111

Belfast CitySouthampton Eastleigh

BHD - SOU

BHDSOU

Belfast City

Mon 13/5

1 stop6h 25m

Southampton Eastleigh

Fri 17/5

Nonstop1h 35m

£119

Flights are sorted by cheapest first

Deals found on 26/2

When is the best time to 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 28 January 2024.
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 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time 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 25 February 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Belfast to Portsmouth flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Portsmouth by month

Plan your trip from Belfast to Portsmouth by taking into account the cheapest months to travel. The average price of a one-way flight from Belfast to Portsmouth is currently £62 while a return flight costs £86. Price data was last updated on 25 February 2024.

Currently, January is the cheapest month in which you can book a flight from Belfast to Portsmouth (average of £111). Flying from Belfast to Portsmouth in July is currently the most expensive (average of £177). 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.

January

£88

February

£99

March

£92

April

£107

May

£114

June

£132

July

£140

August

£109

September

£109

October

£125

November

£90

December

£93

Temperature and rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °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 28 February 2024.
To help decide which airline to fly from Belfast to Portsmouth, see what other customers have to say about easyJet, Aer Lingus and Loganair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.3
Good
1,425 reviews

Comfort

7.1

Entertainment

7.1

Food

6.7

Overall

7.3

Boarding

7.4

Crew

8.0

Reviews

1 / 10

It was on the time I wouldn’t change I tank 🫡

7.3
Good
1,425 reviews
7.3
Good
1,425 reviews

Comfort

7.1

Entertainment

7.1

Food

6.7

Overall

7.3

Boarding

7.4

Crew

8.0

Reviews

1 / 10

It was on the time I wouldn’t change I tank 🫡

7.0
Good
3,115 reviews
7.3
Good
1,425 reviews

Comfort

7.1

Entertainment

7.1

Food

6.7

Overall

7.3

Boarding

7.4

Crew

8.0

Reviews

1 / 10

It was on the time I wouldn’t change I tank 🫡

6.9
Okay
7,017 reviews
7.3
Good
1,425 reviews

Comfort

7.1

Entertainment

7.1

Food

6.7

Overall

7.3

Boarding

7.4

Crew

8.0

Reviews

1 / 10

It was on the time I wouldn’t change I tank 🫡

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 flights from Belfast to Portsmouth for under £100 on Cheapflights?

Yes, there are multiple flights from Belfast to Portsmouth for under £100. The cheapest flight booked recently is on easyJet for just £62, but on average you can expect to pay £110.

Are there nonstop flights from Belfast to Portsmouth for under £100 on Cheapflights?

Cheapflights has at least 17 direct flights from Belfast to Portsmouth under £100. A good price for a nonstop flight from Belfast to Portsmouth is less than £111.

Are there last-minute flights available from Belfast to Portsmouth for under £100?

There are currently 20+ open flights from Belfast to Portsmouth within the next 7 days for less than £100.

What are the cheapest airlines to fly from Belfast to Portsmouth one-way?

£25 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on Aer Lingus and British Airways, with prices starting from £28 and £117, respectively.