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Cheap flights from Cork to Portsmouth from £79

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORK — LHR
17 Apr — 24 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cork to Portsmouth

Enter your travel dates to find the best prices.

Cheapest flights from Cork to Portsmouth
Explore the most affordable flight options available from Cork to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 March 2026.

Thu 30/414:15
ORK
-
SOU
2 stops17h 10m
Multiple Airlines
Thu 7/509:25
SOU
-
ORK
1 stop23h 35m
Multiple Airlines
Deal found 16/3£176
Fri 1/520:20
ORK
-
SOU
2 stops35h 35m
Multiple Airlines
Fri 8/519:55
SOU
-
ORK
1 stop12h 30m
Multiple Airlines
Deal found 17/3£220
Sat 21/312:35
ORK
-
SOU
2 stops20h 10m
Multiple Airlines
Mon 23/320:10
SOU
-
ORK
2 stops18h 50m
Multiple Airlines
Deal found 15/3£229
Sun 20/923:10
ORK
-
SOU
2 stops12h 40m
Multiple Airlines
Sun 27/912:35
SOU
-
ORK
2 stops21h 55m
Multiple Airlines
Deal found 17/3£243
Tue 31/317:10
ORK
-
SOU
1 stop15h 25m
KLM
Sat 4/409:15
SOU
-
ORK
1 stop25h 05m
KLM
Deal found 15/3£286
Sat 21/306:00
ORK
-
SOU
1 stop11h 00m
KLM
Mon 23/317:40
SOU
-
ORK
1 stop5h 45m
KLM
Deal found 15/3£296

Find flight deals from Cork to Portsmouth

Keep the following information in mind while searching for Cork to Portsmouth flight deals. Data was last updated 18 March 2026.

Round-trip from

£176

One-way from

£79

Popular in

August

Cheapest in

September

Average price

£68
30/4-7/5
  • 30/4-7/5
  • 3 total stops
  • 40h 45m total
  • Cork to Portsmouth
Search Deals
11/7
  • 11/7
  • 2 total stops
  • 28h 05m total
  • Cork to Portsmouth
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cork 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 858,174 searches. Data last updated 18 March 2026.
Use the filters below to find and compare flights from Cork to Portsmouth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Thu 30/4

14:15-07:25

2 stops17h 10m

Southampton Eastleigh

Thu 7/5

09:25-09:00

1 stop23h 35m

£176
Fastest return journey

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Fri 1/5

14:15-07:20

2 stops17h 05m

Southampton Eastleigh

Fri 8/5

09:25-19:55

2 stops10h 30m

£233

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Sun 10/5

06:15-08:35

1 stop26h 20m

Southampton Eastleigh

Sat 16/5

09:15-16:35

1 stop7h 20m

£311

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Sun 10/5

06:15-08:35

1 stop26h 20m

Southampton Eastleigh

Thu 14/5

09:05-10:20

1 stop25h 15m

£313

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Sun 5/4

06:15-08:35

1 stop26h 20m

Southampton Eastleigh

Sun 12/4

17:20-10:20

1 stop17h 00m

£461
Cheapest one-way

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Sat 11/7

08:00-12:05

2 stops28h 05m

£79
Fastest single journey

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Tue 26/5

08:30-17:40

1 stop9h 10m

£90

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Fri 10/7

14:15-07:20

2 stops17h 05m

£132

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Thu 30/7

09:50-19:30

2 stops9h 40m

£158

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Sun 26/7

11:25-20:55

2 stops9h 30m

£352

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 11 resultsSorted by cheapest first
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Best time to book a flight from Cork to Portsmouth

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

Cheapflights Insights

Everything you need to know about your flight from Cork to Portsmouth

What is the cheapest month to book a flight from Cork to Portsmouth?

Currently, March is the cheapest month in which you can book a flight from Cork to Portsmouth (average of £29). Flying from Cork to Portsmouth in August is currently the most expensive (average of £46). 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 ORK to P0R?

Find hourly flight availability from Cork 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 18 March 2026.

It’s typically best to fly out from Cork to Portsmouth in the evening. Doing so could potentially save you 67% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Cork to Portsmouth?

Use this chart to determine the cheapest time to fly return from Cork to Portsmouth. Price data was last updated on 14 March 2026.

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

Weekly flight availability from Cork to Portsmouth

Explore weekly flight availability from Cork to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 March 2026.

The most flights from ORK to P0R are scheduled on a Saturday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

Related info for your journey

Find useful and relevant information for your journey from Cork to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cork to Portsmouth?

    For a flight from Cork to Portsmouth, you will be flying from Cork. Cork (ORK) is just 4.0 mi from the center of the city. Cork is the only Cork airport and it handles 0 outbound flights to Portsmouth per day. 3 airlines have flights to Portsmouth from Cork on a regular basis.

  • What are the most reliable airlines from Cork to Portsmouth?

    The top 3 most reliable airlines when flying from Cork to Portsmouth are Qatar Airways (90%), Aer Lingus (90%) and British Airways (90%).

  • What are the cheapest flights from Cork to Portsmouth?

    While on average a flight from Cork to Portsmouth is generally £358, our data shows the cheapest flight currently is £54. When looking at the most popular route, (Cork - Southampton Eastleigh), you can expect to pay £176 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cork 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.

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

    Currently, March is the cheapest month in which you can book a flight from Cork to Portsmouth (average of £29). Flying from Cork to Portsmouth in August is currently the most expensive (average of £46). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Cork to Portsmouth

Discover the top 3 airlines that operate flights from Cork 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 858,174 searches. Data last updated 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£113FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£83Average£173FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£145Average£169FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Cork to Portsmouth?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portsmouth from Cork today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portsmouth from Cork.

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

Yes, we can. To see specific flights from Cork to Portsmouth with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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

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