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Cheap flights from Portsmouth to Athens from £113

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ATH
7 May — 14 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 April 2026.

Tue 5/517:20
SOU
-
ATH
1 stop5h 55m
KLM
Tue 12/513:35
ATH
-
SOU
1 stop21h 00m
KLM
Deal found 7/4£215
Thu 7/517:20
SOU
-
ATH
1 stop5h 55m
KLM
Thu 14/506:00
ATH
-
SOU
1 stop28h 35m
KLM
Deal found 7/4£226
Wed 20/515:35
SOU
-
ATH
1 stop6h 10m
Multiple Airlines
Wed 27/523:00
ATH
-
SOU
2 stops35h 40m
Multiple Airlines
Deal found 5/4£230
Tue 5/520:00
SOU
-
ATH
2 stops23h 10m
Multiple Airlines
Tue 12/506:55
ATH
-
SOU
2 stops27h 10m
Multiple Airlines
Deal found 7/4£234
Thu 7/506:50
SOU
-
ATH
2 stops24h 25m
Multiple Airlines
Thu 14/516:00
ATH
-
SOU
2 stops18h 45m
Multiple Airlines
Deal found 7/4£246
Tue 21/412:35
SOU
-
ATH
2 stops18h 20m
Multiple Airlines
Fri 24/423:50
ATH
-
SOU
2 stops19h 00m
Multiple Airlines
Deal found 7/4£246
Thu 23/417:20
SOU
-
ATH
2 stops19h 00m
Multiple Airlines
Fri 24/423:50
ATH
-
SOU
2 stops19h 00m
Multiple Airlines
Deal found 5/4£253
Tue 21/418:10
SOU
-
ATH
2 stops24h 15m
Multiple Airlines
Sat 25/422:50
ATH
-
SOU
2 stops20h 00m
Multiple Airlines
Deal found 6/4£254

Find flight deals from Portsmouth to Athens

Keep the following information in mind while searching for Portsmouth to Athens flight deals. Data was last updated 7 April 2026.

Round-trip from

£215

One-way from

£113

Popular in

August

Cheapest in

January

Average price

£170
KLM
  • KLM
  • 5/5-12/5
  • 2 total stops
  • 26h 55m total
  • Portsmouth to Athens
Search Deals
1/6
  • 1/6
  • 2 total stops
  • 21h 20m total
  • Portsmouth to Athens
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 7 April 2026.
Use the filters below to find and compare flights from Portsmouth to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Tue 21/4

18:10-20:25

2 stops24h 15m

Athens Eleftherios V.

Sat 25/4

22:50-16:50

2 stops20h 00m

£254

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 18/5

06:50-13:05

2 stops28h 15m

Athens Eleftherios V.

Wed 20/5

16:15-09:25

2 stops19h 10m

£516

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 4/10

14:50-12:45

2 stops19h 55m

Athens Eleftherios V.

Sun 18/10

16:55-09:25

2 stops18h 30m

£561

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sat 3/10

06:50-02:00

2 stops17h 10m

Athens Eleftherios V.

Sat 17/10

20:35-20:45

2 stops26h 10m

£569

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Fri 2/10

06:50-00:35

2 stops15h 45m

Athens Eleftherios V.

Sat 17/10

20:35-20:45

2 stops26h 10m

£569
Fastest return journey

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 11/6

06:50-19:00

2 stops10h 10m

Athens Eleftherios V.

Fri 12/6

17:20-11:45

2 stops20h 25m

£575

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 4/5

19:55-02:10

2 stops28h 15m

Athens Eleftherios V.

Mon 18/5

20:50-14:45

2 stops19h 55m

£576

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Tue 5/5

19:55-18:05

2 stops20h 10m

Athens Eleftherios V.

Tue 19/5

20:00-14:45

2 stops20h 45m

£577

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 9/7

12:35-02:25

2 stops11h 50m

Athens Eleftherios V.

Sat 18/7

18:20-20:45

2 stops28h 25m

£581
Cheapest one-way

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Tue 19/5

09:05-01:15

1 stop14h 10m

£143

Flights are sorted by cheapest return flights first.

Deals found on 4/4

Showing 1-10 of 18 resultsSorted by cheapest first
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, December is the cheapest month in which you can book a flight from Portsmouth to Athens (average of £29). Flying from Portsmouth to Athens in July is currently the most expensive (average of £89). 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 7 April 2026.

It’s typically best to fly out from Portsmouth to Athens at midday. Doing so could potentially save you 16% 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 4 April 2026.

Travellers seeking maximum savings on their Portsmouth to Athens flight should consider departing on Wednesday at midday when fares are most often at their lowest. Saturday evenings 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 7 April 2026.

The most flights from P0R to ATH are scheduled on a Tuesday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

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. 15 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 £516, British Airways can have you in Athens from Portsmouth in 28h 15m. Airlines will cover a distance of 1525 mi.

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

    Consider Singapore Airlines (97%), Air Canada (96%) or Aegean Airlines (93%) 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 £518 for a flight from Portsmouth to Athens. The cheapest flight overall is £88 while the most popular route, (Southampton Eastleigh - Athens Eleftherios V.) is currently priced at £253.

  • 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, December is the cheapest month in which you can book a flight from Portsmouth to Athens (average of £29). Flying from Portsmouth to Athens in July is currently the most expensive (average of £89). 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 7 April 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£29Average£144FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£34Average£182FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Wizz AirCheapest£42Average£145FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Aegean AirlinesCheapest£50Average£186FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£67Average£122FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Sky ExpressCheapest£82Average£220FlexibilityNo cancel feeOn-timeN/A
Search Sky Express flights
Scandinavian AirlinesCheapest£97Average£212FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Jet2Cheapest£99Average£274FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
KLMCheapest£102Average£238FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£106Average£189FlexibilityNo cancel feeOn-time77%
Search Air France flights

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 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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