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Cheap flights from Southeast Europe to London from £136

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southeast Europe to London departing on 17/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Southeast Europe to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:15 - 08:40
OTP
-
SOU
12h 25m
1 stop
Multiple Airlines Logo
13:25 - 13:05
SOU
-
OTP
21h 40m
2 stops
£201Multiple Airlines
Fri, 1 May - Tue, 5 May
Multiple Airlines Logo
06:45 - 07:55
OTP
-
SOU
27h 10m
1 stop
Multiple Airlines Logo
08:55 - 03:10
SOU
-
OTP
16h 15m
2 stops
£207Multiple Airlines
Sat, 2 May - Wed, 6 May
Multiple Airlines Logo
12:50 - 19:30
ATH
-
SOU
8h 40m
1 stop
Multiple Airlines Logo
15:35 - 18:35
SOU
-
ATH
25h 00m
2 stops
£208Multiple Airlines
Sat, 2 May - Wed, 6 May
Multiple Airlines Logo
21:30 - 19:30
OTP
-
SOU
24h 00m
2 stops
Multiple Airlines Logo
13:25 - 12:55
SOU
-
OTP
21h 30m
2 stops
£214Multiple Airlines
Fri, 1 May - Tue, 5 May
Multiple Airlines Logo
22:15 - 19:30
OTP
-
SOU
23h 15m
1 stop
Multiple Airlines Logo
12:20 - 22:20
SOU
-
OTP
8h 00m
1 stop
£223Multiple Airlines
Fri, 1 May - Tue, 5 May
KLM Logo
18:30 - 08:45
OTP
-
SOU
16h 15m
1 stop
KLM Logo
09:05 - 00:55
SOU
-
OTP
13h 50m
1 stop
£247KLM
Sat, 2 May - Wed, 6 May
KLM Logo
17:25 - 08:35
ATH
-
SOU
17h 10m
1 stop
KLM Logo
17:20 - 01:15
SOU
-
ATH
5h 55m
1 stop
£272KLM
Mon, 1 Jun - Mon, 8 Jun
British Airways Logo
08:15 - 20:45
OTP
-
SOU
14h 30m
2 stops
British Airways Logo
20:45 - 01:20
SOU
-
OTP
50h 35m
2 stops
£505British Airways
Wed, 13 May - Sun, 17 May
British Airways Logo
20:00 - 12:05
OTP
-
SOU
18h 05m
2 stops
British Airways Logo
06:50 - 01:20
SOU
-
OTP
16h 30m
2 stops
£548British Airways
Sat, 2 May - Wed, 6 May
British Airways Logo
20:10 - 20:55
SOF
-
SOU
26h 45m
2 stops
British Airways Logo
18:20 - 20:10
SOU
-
SOF
47h 50m
2 stops
£563British Airways
Mon, 18 May - Fri, 22 May

KLM flights from Southeast Europe to Southampton

Our best KLM deals on Southeast Europe to Southampton flight tickets
KLM
2 May
OTP18:30Bucharest Otopeni Intl
16h 15m
1 stop
SOU08:45Southampton Eastleigh
6 May
SOU09:05Southampton Eastleigh
13h 50m
1 stop
OTP00:55Bucharest Otopeni Intl
£247
KLM
1 Jun
ATH17:25Athens Eleftherios V.
17h 10m
1 stop
SOU08:35Southampton Eastleigh
8 Jun
SOU17:20Southampton Eastleigh
5h 55m
1 stop
ATH01:15Athens Eleftherios V.
£272

British Airways flights from Southeast Europe to Southampton

Our best British Airways deals on Southeast Europe to Southampton flight tickets
British Airways
13 May
OTP08:15Bucharest Otopeni Intl
14h 30m
2 stops
SOU20:45Southampton Eastleigh
17 May
SOU20:45Southampton Eastleigh
50h 35m
2 stops
OTP01:20Bucharest Otopeni Intl
£505
British Airways
10 Aug
ATH07:25Athens Eleftherios V.
15h 20m
2 stops
SOU20:45Southampton Eastleigh
17 Aug
SOU12:35Southampton Eastleigh
27h 00m
2 stops
ATH17:35Athens Eleftherios V.
£506
British Airways
27 Aug
ATH15:15Athens Eleftherios V.
20h 10m
2 stops
SOU09:25Southampton Eastleigh
2 Sept
SOU06:45Southampton Eastleigh
17h 25m
2 stops
ATH02:10Athens Eleftherios V.
£510

momondo Fare Finder

 
Customise your flight search to find flights from Southeast Europe to Southampton 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, momondo users made 279,928 searches. Data last updated 18 April 2026.
Use the filters below to find and compare flights from Southeast Europe to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BucharestSouthampton

OTP - SOU

OTPSOU

Bucharest Otopeni Intl

Fri 1/5

22:15-08:40

1 stop12h 25m

Southampton Eastleigh

Tue 5/5

13:25-13:05

2 stops21h 40m

£201

BucharestSouthampton

OTP - SOU

OTPSOU

Bucharest Otopeni Intl

Sat 2/5

06:45-07:55

1 stop27h 10m

Southampton Eastleigh

Wed 6/5

08:55-03:10

2 stops16h 15m

£207

AthensSouthampton

ATH - SOU

ATHSOU

Athens Eleftherios V.

Sat 2/5

12:50-19:30

1 stop8h 40m

Southampton Eastleigh

Wed 6/5

15:35-18:35

2 stops25h 00m

£208

BucharestSouthampton

OTP - SOU

OTPSOU

Bucharest Otopeni Intl

Fri 1/5

21:30-19:30

2 stops24h 00m

Southampton Eastleigh

Tue 5/5

13:25-12:55

2 stops21h 30m

£214

BucharestSouthampton

OTP - SOU

OTPSOU

Bucharest Otopeni Intl

Fri 1/5

22:15-19:30

1 stop23h 15m

Southampton Eastleigh

Tue 5/5

12:20-22:20

1 stop8h 00m

£223

BucharestSouthampton

OTP - SOU

OTPSOU

Bucharest Otopeni Intl

Sat 2/5

18:30-08:45

1 stop16h 15m

Southampton Eastleigh

Wed 6/5

09:05-00:55

1 stop13h 50m

£247
Fastest return journey

AthensSouthampton

ATH - SOU

ATHSOU

Athens Eleftherios V.

Mon 1/6

17:25-08:35

1 stop17h 10m

Southampton Eastleigh

Mon 8/6

17:20-01:15

1 stop5h 55m

£272

BucharestSouthampton

OTP - SOU

OTPSOU

Bucharest Otopeni Intl

Wed 13/5

08:15-20:45

2 stops14h 30m

Southampton Eastleigh

Sun 17/5

20:45-01:20

2 stops50h 35m

£505

BucharestSouthampton

OTP - SOU

OTPSOU

Bucharest Otopeni Intl

Sat 2/5

20:00-12:05

2 stops18h 05m

Southampton Eastleigh

Wed 6/5

06:50-01:20

2 stops16h 30m

£548

SofiaSouthampton

SOF - SOU

SOFSOU

Sofia

Mon 18/5

20:10-20:55

2 stops26h 45m

Southampton Eastleigh

Fri 22/5

18:20-20:10

2 stops47h 50m

£563

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Southeast Europe to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Southeast Europe to Southampton flights?

No. A direct flight is the cheapest option for a flight between Southeast Europe to Southampton.

Cheap Southeast Europe to Southampton flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southeast Europe to Southampton

Fastest flight time

17h 55m

Direct flights

None
The fastest flight from Southeast Europe to Southampton takes 17h 55m
There are no direct flights from Southeast Europe to Southampton. There are no popular flight routes from Southeast Europe to Southampton.
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Frequently asked questions about flying from Southeast Europe to Southampton

  • When did momondo last update prices for flights from Southeast Europe to Southampton Eastleigh Airport?

    Prices for flights from Southeast Europe to Southampton Eastleigh Airport are updated daily.

  • How old do you have to be to fly from Southeast Europe to Southampton Eastleigh Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southeast Europe to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents you'll need for your trip to Southampton Eastleigh Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southampton Eastleigh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Southeast Europe to Southampton?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

Why should I use momondo to find a flight deal from Southeast Europe to Southampton?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Southeast Europe to Southampton. momondo saves you time and could save you money on your trip.

Can I find flights from Southeast Europe to Southampton with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Southampton from Southeast Europe with this policy.

How can momondo help me find flights from Southeast Europe to Southampton?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from Southeast Europe.

I’m not ready to book a flight from Southeast Europe to Southampton right now. Can momondo alert me if prices change?

Price alerts on flights to Southampton from Southeast Europe are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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