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Cheap flights from Portsmouth to Athens from £137

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ATH
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Athens

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Athens
Explore the most affordable flight options available from Portsmouth to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Thu 18/1214:45SOU - ATH
2 stops19h 30mBritish Airways
Fri 26/1219:50ATH - SOU
2 stops18h 15mBritish Airways
Deal found 26/11£477
Thu 18/1214:45SOU - ATH
2 stops19h 30mBritish Airways
Sat 27/1220:05ATH - SOU
2 stops23h 55mBritish Airways
Deal found 26/11£485
Fri 19/1213:30SOU - ATH
2 stops9h 55mBritish Airways
Fri 26/1207:45ATH - SOU
2 stops13h 25mBritish Airways
Deal found 26/11£1,026

Cheap flight deals from Portsmouth to Athens

Keep the following information in mind while searching for Portsmouth to Athens flight deals. Data was last updated 27 November 2025.

Round-trip from

£189

One-way from

£137

Popular in

August

Cheapest in

March

Average price

£240
7/1-14/1
  • 7/1-14/1
  • 4 total stops
  • 42h 10m total
  • Portsmouth to Athens
Search Deals
2/5
  • 2/5
  • 2 total stops
  • 22h 55m total
  • Portsmouth to Athens
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Athens 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 27 November 2025.
Use the filters below to find and compare flights from Portsmouth to Athens that are best for you.

Fly from

Portsmouth

Fly to

Athens

Route

Depart

Return

Price

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 7/1

12:25-12:05

2 stops21h 40m

Athens Eleftherios V.

Wed 14/1

21:05-15:35

2 stops20h 30m

£189

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sat 10/1

09:30-09:35

2 stops22h 05m

Athens Eleftherios V.

Sat 17/1

21:15-15:35

2 stops20h 20m

£208

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Fri 17/4

09:25-20:50

1 stop9h 25m

Athens Eleftherios V.

Fri 17/4

23:50-16:35

2 stops18h 45m

£302

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 19/1

09:25-01:15

1 stop13h 50m

Athens Eleftherios V.

Fri 23/1

06:05-08:45

1 stop28h 40m

£390

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 4/2

12:00-13:20

2 stops23h 20m

Athens Eleftherios V.

Sun 8/2

08:00-17:45

2 stops11h 45m

£391

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 5/2

15:00-18:50

2 stops25h 50m

Athens Eleftherios V.

Sun 8/2

08:00-17:45

2 stops11h 45m

£391

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Tue 10/2

15:00-01:20

2 stops32h 20m

Athens Eleftherios V.

Sun 15/2

19:50-17:30

2 stops23h 40m

£391

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 11/2

12:00-15:05

2 stops25h 05m

Athens Eleftherios V.

Sun 15/2

08:00-17:45

2 stops11h 45m

£391

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 5/3

12:00-01:05

2 stops11h 05m

Athens Eleftherios V.

Sun 8/3

19:50-17:30

2 stops23h 40m

£398

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 4/3

12:00-13:20

2 stops23h 20m

Athens Eleftherios V.

Sun 8/3

16:50-17:30

2 stops26h 40m

£398

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 19 results
1
2

Best time to book a flight from Portsmouth to Athens

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

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

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Athens (average of £30). Flying from Portsmouth to Athens in July is currently the most expensive (average of £83). 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 P0R to ATH?

Find hourly flight availability from Portsmouth to Athens. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

It’s typically best to fly out from Portsmouth to Athens at midday. Doing so could potentially save you 38% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Athens. Price data was last updated on 16 December 2024.

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

Weekly flight availability from Portsmouth to Athens

Explore weekly flight availability from Portsmouth to Athens. 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 27 November 2025.

The most flights from P0R to ATH are scheduled on a Monday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Athens

Get insights into the airlines that provide service to Athens. 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 Athens. Reviews last updated 27 November 2025.
Get a feel of what it's like to fly with KLM from Portsmouth to Athens by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,423 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.7

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.7

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Athens. 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 into for flights to Athens from Portsmouth?

    For a flight from Portsmouth to Athens, you will be flying into Eleftherios V.. Athens Eleftherios V. (ATH) is just 12.3 mi from the center of the city. Eleftherios V. is the only Athens airport and it handles 0 inbound flights from Portsmouth per day. 19 airlines have flights to Athens Eleftherios V. from Portsmouth on a regular basis.

  • How long is the flight from Portsmouth to Athens?

    For as low as £390, KLM can have you in Athens from Portsmouth in 13h 50m. Airlines will cover a distance of 1525 mi.

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

    Consider Singapore Airlines (80%), Air Canada (78%) or Aegean Airlines (78%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Athens.

  • What are the cheapest flights from Portsmouth to Athens?

    On average you can expect to pay £353 for a flight from Portsmouth to Athens. The cheapest flight overall is £61 while the most popular route, (Southampton Eastleigh - Athens Eleftherios V.) is currently priced at £189.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Athens 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 Portsmouth to Athens?

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Athens (average of £30). Flying from Portsmouth to Athens in July is currently the most expensive (average of £83). 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

Travelling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Piraeus
Aegina
Glyfada
Hydra
Marathon

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Top 10 airlines flying from Portsmouth to Athens

Discover the top 10 airlines that operate flights from Portsmouth to Athens. 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£25Average£68FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
RyanairCheapest£29Average£157FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£44Average£180FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Wizz AirCheapest£46Average£158FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Pegasus AirlinesCheapest£57Average£225FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Sky ExpressCheapest£58Average£192FlexibilityNo cancel feeOn-timeN/A
Search Sky Express flights
Air SerbiaCheapest£76Average£184FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Jet2Cheapest£86Average£239FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
Aegean AirlinesCheapest£115Average£246FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air FranceCheapest£117Average£192FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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

Deals for Portsmouth to Athens 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 Portsmouth to Athens?

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 Athens from Portsmouth.

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

Yes, we can. To see specific flights from Portsmouth to Athens 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 Portsmouth to Athens become cheaper?

Of course! You can now track prices for flights from Portsmouth to Athens and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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