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Cheap flights from Southampton to Southeast Europe from £117

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — ATH
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Southeast Europe

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Southeast Europe
Explore the most affordable flight options available from Southampton to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 December 2025.

Tue 16/1212:25SOU - ATH
1 stop9h 10mMultiple Airlines
Mon 22/1210:50ATH - SOU
2 stops27h 05mMultiple Airlines
Deal found 2/12£268
Tue 16/1217:30SOU - ATH
1 stop5h 45mKLM
Mon 22/1206:05ATH - SOU
1 stop28h 05mKLM
Deal found 2/12£272
Fri 12/1208:10SOU - SPU
2 stops22h 30mMultiple Airlines
Sun 14/1216:15SPU - SOU
3 stops22h 45mMultiple Airlines
Deal found 2/12£380
Tue 30/1219:55SOU - ATH
2 stops27h 25mBritish Airways
Tue 13/114:20ATH - SOU
2 stops19h 30mBritish Airways
Deal found 2/12£502
Tue 30/1219:55SOU - OTP
2 stops25h 00mBritish Airways
Tue 13/116:40OTP - SOU
2 stops17h 10mBritish Airways
Deal found 2/12£512
Wed 31/1208:40SOU - ATH
2 stops14h 40mBritish Airways
Wed 14/113:30ATH - SOU
2 stops20h 20mBritish Airways
Deal found 3/12£515
Wed 24/1208:35SOU - ATH
2 stops28h 30mBritish Airways
Wed 14/107:50ATH - SOU
2 stops11h 40mBritish Airways
Deal found 2/12£540
Wed 24/1208:35SOU - ATH
2 stops28h 30mBritish Airways
Fri 16/113:25ATH - SOU
2 stops29h 15mBritish Airways
Deal found 2/12£547
Wed 24/1208:35SOU - ATH
2 stops28h 30mBritish Airways
Sun 11/119:50ATH - SOU
2 stops23h 40mBritish Airways
Deal found 2/12£551
Wed 24/1208:35SOU - ATH
2 stops28h 30mBritish Airways
Sat 10/116:55ATH - SOU
2 stops26h 50mBritish Airways
Deal found 2/12£558
Tue 23/1214:45SOU - ATH
2 stops21h 00mBritish Airways
Thu 15/107:30ATH - SOU
2 stops12h 00mBritish Airways
Deal found 2/12£578
Wed 31/1208:40SOU - OTP
2 stops12h 15mBritish Airways
Wed 14/115:50OTP - SOU
2 stops18h 00mBritish Airways
Deal found 3/12£587

Find flight deals from Southampton to Southeast Europe

Keep the following information in mind while searching for Southampton to Southeast Europe flight deals. Data was last updated 4 December 2025.

Round-trip from

£117

Popular in

August

Cheapest in

January

Average price

£209
17/1-24/1
  • 17/1-24/1
  • 2 total stops
  • 29h 45m total
  • Southampton to Southeast Europe
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Southeast Europe 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 4 December 2025.
Use the filters below to find and compare flights from Southampton to Southeast Europe that are best for you.

Fly from

Southampton

Fly to

Southeast Europe

Route

Depart

Return

Price

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 8/1

17:55-22:15

2 stops26h 20m

Bucharest Otopeni Intl

Thu 15/1

17:00-13:45

2 stops22h 45m

£161

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 17/1

15:45-03:15

2 stops33h 30m

Bucharest Otopeni Intl

Sat 24/1

06:55-14:50

1 stop9h 55m

£164

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Fri 16/1

20:10-00:45

1 stop26h 35m

Athens Eleftherios V.

Fri 23/1

11:35-06:45

1 stop21h 10m

£180

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 14/1

12:25-12:05

2 stops21h 40m

Athens Eleftherios V.

Wed 21/1

21:55-15:35

2 stops19h 40m

£187

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Mon 27/4

17:20-22:55

1 stop4h 35m

Split

Thu 30/4

12:50-08:35

1 stop20h 45m

£201

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 8/1

17:35-13:00

1 stop17h 25m

Bucharest Otopeni Intl

Thu 15/1

13:55-17:05

1 stop5h 10m

£202

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sun 1/3

17:45-13:00

1 stop17h 15m

Bucharest Otopeni Intl

Sat 14/3

13:55-08:50

1 stop20h 55m

£210

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sun 1/3

18:20-19:30

2 stops23h 10m

Bucharest Otopeni Intl

Sat 14/3

06:55-14:50

1 stop9h 55m

£217

SouthamptonDubrovnik

SOU - DBV

SOUDBV

Southampton Eastleigh

Fri 16/1

20:10-19:30

3 stops22h 20m

Dubrovnik

Fri 23/1

11:20-08:45

2 stops22h 25m

£237

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 6/2

17:35-13:00

1 stop17h 25m

Bucharest Otopeni Intl

Mon 9/2

06:00-17:05

1 stop13h 05m

£242

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 60 results
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Best time to book a flight from Southampton to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe from Southampton 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 Southampton to Southeast Europe

What is the cheapest month to book a flight from Southampton to Southeast Europe?

Currently, March is the cheapest month in which you can book a flight from Southampton to Southeast Europe (average of £21). Flying from Southampton to Southeast Europe in July is currently the most expensive (average of £54). 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 SOU to YMH?

Find hourly flight availability from Southampton to Southeast Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 December 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 52% on flights from Southampton to Southeast Europe by exploring options for tickets at midday.

Reviews of airlines servicing Southeast Europe

Get insights into the airlines that provide service to Southeast Europe. 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 Southeast Europe. Reviews last updated 4 December 2025.
Check out reviews from past customers who have flown with KLM from Southampton to Southeast Europe to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,428 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Boarding

7.8

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
1,428 reviews
KLM
7.7
Good
1,428 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Boarding

7.8

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 Southampton to Southeast Europe. 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 Southampton to Southeast Europe?

    Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Southampton to Southeast Europe.

  • How long is the flight from Southampton to Southeast Europe?

    KLM can get you from Southampton to Southeast Europe in just under 4h 35m. Your travel time can differ by up to . Airlines will cover a distance of 969 mi.

  • What are the most popular routes from Southampton to Southeast Europe?

    When deciding which route to take from Southampton to Southeast Europe consider Southampton Eastleigh - Athens Eleftherios V., Southampton Eastleigh - Bucharest Otopeni Intl or Southampton Eastleigh - Split as they are the most popular.

  • Can I find deals for flights from Southampton to Southeast Europe that include hotel bookings?

    Yes. In addition to deals on Southampton to Southeast Europe flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Southeast Europe?

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

  • Can I find deals for business class flights from Southampton to Southeast Europe?

    Yes. Cheapflights offers flight deals from Southampton to Southeast Europe 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 Southampton to Southeast Europe?

    Currently, March is the cheapest month in which you can book a flight from Southampton to Southeast Europe (average of £21). Flying from Southampton to Southeast Europe in July is currently the most expensive (average of £54). 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

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Top airline flying from Southampton to Southeast Europe

Discover the top airline that operate flights from Southampton to Southeast Europe. 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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£165Average£297FlexibilityNo cancel feeOn-time75%
Search KLM 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 Southampton to Southeast Europe?

Cheapflights makes it easy to find Southampton to Southeast Europe 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 Southampton to Southeast Europe?

Millions of users choose and trust Cheapflights to book the best flight deals from Southampton to Southeast Europe for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Southampton to Southeast Europe with no change fees?

Yes! Cheapflights helps users easily find flights from Southampton to Southeast Europe with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to Southeast Europe become cheaper?

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

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