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Cheap flights from Southeast Europe to the United Kingdom from £20

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 the United Kingdom departing on 13/2. 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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Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
12:10 - 13:35
OTP
-
STN
3h 25mdirect
Ryanair Logo
15:15 - 20:40
STN
-
OTP
3h 25mdirect
£38Ryanair
Wed, 4 Mar - Wed, 11 Mar
Wizz Air Logo
11:55 - 13:30
OTP
-
LTN
3h 35mdirect
Wizz Air Logo
17:50 - 23:10
LTN
-
OTP
3h 20mdirect
£39Wizz Air
Fri, 6 Mar - Sun, 15 Mar
Wizz Air Logo
15:35 - 17:10
OTP
-
LTN
3h 35mdirect
Wizz Air Logo
09:25 - 14:45
LTN
-
OTP
3h 20mdirect
£39Wizz Air
Tue, 3 Mar - Tue, 10 Mar
Ryanair Logo
12:10 - 13:35
OTP
-
STN
3h 25mdirect
Ryanair Logo
19:50 - 01:15
STN
-
OTP
3h 25mdirect
£40Ryanair
Wed, 4 Mar - Fri, 6 Mar
Wizz Air Logo
21:05 - 23:10
ATH
-
LTN
4h 05mdirect
Wizz Air Logo
14:30 - 20:15
LTN
-
ATH
3h 45mdirect
£52Wizz Air
Mon, 2 Mar - Wed, 4 Mar
Wizz Air Logo
22:55 - 01:00
ATH
-
LTN
4h 05mdirect
Wizz Air Logo
14:30 - 20:15
LTN
-
ATH
3h 45mdirect
£53Wizz Air
Fri, 6 Mar - Mon, 9 Mar
easyJet Logo
14:05 - 16:05
ATH
-
LTN
4h 00mdirect
easyJet Logo
07:50 - 13:25
LTN
-
ATH
3h 35mdirect
£55easyJet
Tue, 3 Mar - Tue, 17 Mar
easyJet Logo
20:50 - 22:45
ATH
-
LGW
3h 55mdirect
easyJet Logo
05:45 - 11:25
LGW
-
ATH
3h 40mdirect
£59easyJet
Thu, 23 Apr - Sun, 26 Apr
British Airways Logo
08:05 - 10:00
OTP
-
LHR
3h 55mdirect
British Airways Logo
18:10 - 23:25
LHR
-
OTP
3h 15mdirect
£90British Airways
Sat, 14 Mar - Sat, 14 Mar
British Airways Logo
20:20 - 21:50
OTP
-
LHR
3h 30mdirect
British Airways Logo
09:50 - 15:05
LHR
-
OTP
3h 15mdirect
£100British Airways
Fri, 6 Mar - Sun, 15 Mar

British Airways flights from Southeast Europe to United Kingdom

Our best British Airways deals on Southeast Europe to United Kingdom flight tickets
British Airways
14 Mar
OTP08:05Bucharest Otopeni Intl
3h 55m
LHR10:00London Heathrow
14 Mar
LHR18:10London Heathrow
3h 15m
OTP23:25Bucharest Otopeni Intl
£90
British Airways
6 Mar
OTP20:20Bucharest Otopeni Intl
3h 30m
LHR21:50London Heathrow
15 Mar
LHR09:50London Heathrow
3h 15m
OTP15:05Bucharest Otopeni Intl
£100
British Airways
12 Feb
OTP08:00Bucharest Otopeni Intl
3h 50m
LHR09:50London Heathrow
20 Feb
LHR14:15London Heathrow
3h 15m
OTP19:30Bucharest Otopeni Intl
£101

Aegean Airlines flights from Southeast Europe to United Kingdom

Our best Aegean Airlines deals on Southeast Europe to United Kingdom flight tickets
Aegean Airlines
14 Mar
ATH19:10Athens Eleftherios V.
4h 05m
LHR21:15London Heathrow
21 Mar
LHR22:15London Heathrow
3h 35m
ATH03:50Athens Eleftherios V.
£122
Aegean Airlines
11 Feb
ATH16:00Athens Eleftherios V.
3h 55m
LHR17:55London Heathrow
9 Mar
LHR12:15London Heathrow
3h 35m
ATH17:50Athens Eleftherios V.
£142

momondo Fare Finder

 
Customise your flight search to find flights from Southeast Europe to United Kingdom 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 5 February 2026.
Use the filters below to find and compare flights from Southeast Europe to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Wed 4/3

12:10-13:35

Nonstop3h 25m

London Stansted

Wed 11/3

15:15-20:40

Nonstop3h 25m

£38

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Fri 6/3

11:55-13:30

Nonstop3h 35m

London Luton

Sun 15/3

17:50-23:10

Nonstop3h 20m

£39

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Tue 3/3

15:35-17:10

Nonstop3h 35m

London Luton

Tue 10/3

09:25-14:45

Nonstop3h 20m

£39

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Wed 4/3

12:10-13:35

Nonstop3h 25m

London Stansted

Fri 6/3

19:50-01:15

Nonstop3h 25m

£40

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Mon 2/3

21:05-23:10

Nonstop4h 05m

London Luton

Wed 4/3

14:30-20:15

Nonstop3h 45m

£52

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Fri 6/3

22:55-01:00

Nonstop4h 05m

London Luton

Mon 9/3

14:30-20:15

Nonstop3h 45m

£53

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Tue 3/3

14:05-16:05

Nonstop4h 00m

London Luton

Tue 17/3

07:50-13:25

Nonstop3h 35m

£55

AthensLondon

ATH - LGW

ATHLGW

Athens Eleftherios V.

Thu 23/4

20:50-22:45

Nonstop3h 55m

London Gatwick

Sun 26/4

05:45-11:25

Nonstop3h 40m

£59

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 14/3

08:05-10:00

Nonstop3h 55m

London Heathrow

Sat 14/3

18:10-23:25

Nonstop3h 15m

£90

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 6/3

20:20-21:50

Nonstop3h 30m

London Heathrow

Sun 15/3

09:50-15:05

Nonstop3h 15m

£100

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 the United Kingdom from

How to get the cheapest flight ticket from Southeast Europe to United Kingdom

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

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Southeast Europe is in March. Flight prices, which tend to average around £52, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of March, then departing from Southeast Europe during the month February is also very affordable. Most momondo users find prices during this month for around £57.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Southeast Europe to United Kingdom is on a Thursday. Travellers who choose to depart for United Kingdom on a Thursday will often find tickets for as low as £90. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Southeast Europe to United Kingdom for around £127.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £87. Try not to purchase tickets in the afternoon because they tend to be around £144. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Southeast Europe to United Kingdom flight route?

Fly from Thessaloniki Makedonia to London Stansted for the best Southeast Europe - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Southeast Europe when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £163 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Southeast Europe for as low as £104 on momondo.

What cabin class options are available on Southeast Europe to United Kingdom flights?

There are 3 cabin classes available to choose from on Southeast Europe to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Southeast Europe to United Kingdom flights?

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

Cheap Southeast Europe to United Kingdom flight deals and tips

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

Fastest flight time

2h 15m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The fastest flight from Southeast Europe to United Kingdom takes 2h 15m
Direct flights go from Southeast Europe to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Southeast Europe there are direct flights to London Luton (LTN), London Heathrow (LHR), London Stansted (STN).
Search flight deals

  • When did momondo last update prices for flights from Southeast Europe to United Kingdom?

    Prices for flights from Southeast Europe to United Kingdom are refreshed on a daily basis.

  • How many operators does momondo search for flights from Southeast Europe to United Kingdom?

  • How old do you have to be to fly from Southeast Europe to United Kingdom?

    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 United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Southeast Europe to United Kingdom

Compare and see reviews for airlines that fly from Southeast Europe to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Wizz AirPriceFrom £26Free CancellationRating
6.2
160 reviews
Search Wizz Air flights
RyanairPriceFrom £27Free CancellationRating
6.4
125 reviews
Search Ryanair flights
RyanairPriceFrom £30Free CancellationRating
6.9
5,261 reviews
Search Ryanair flights
Wizz AirPriceFrom £37Free CancellationRating
6.8
1,081 reviews
Search Wizz Air flights
Wizz AirPriceFrom £40Free CancellationRating
6.8
404 reviews
Search Wizz Air flights
Air SerbiaPriceFrom £42Free CancellationRating
6.1
214 reviews
Search Air Serbia flights
easyJetPriceFrom £45Free CancellationRating
6.9
1,869 reviews
Search easyJet flights
Aegean AirlinesPriceFrom £84Free CancellationRating
8.1
850 reviews
Search Aegean Airlines flights
British AirwaysPriceFrom £87Free CancellationRating
6.7
7,716 reviews
Search British Airways flights
Bulgaria AirPriceFrom £94Free CancellationRating
8.3
59 reviews
Search Bulgaria Air flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Southeast Europe to United Kingdom for you.

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

Yes. All flights to United Kingdom from Southeast Europe on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 United Kingdom from Southeast Europe.

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

Yes momondo offers price alerts on flights to United Kingdom from Southeast Europe. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
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