Find flights
Deals
When to book
FAQs

Cheap flights from Northern Ireland to Southeast Europe from £53

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ATH
1 Sep — 8 Sep1
1 adult

Cheap flight deals from Northern Ireland to Southeast Europe

Keep the following information in mind while searching for Northern Ireland to Southeast Europe flight deals. Data was last updated 27 August 2025.

Round-trip from

£98

One-way from

£53

Popular in

August

Cheapest in

February

Average price

£387
19/10-22/10
  • 19/10-22/10
  • 1 total stop
  • 20h 30m total
  • Northern Ireland to Southeast Europe
Search Deals
14/10
  • 14/10
  • 1 total stop
  • 15h 20m total
  • Northern Ireland to Southeast Europe
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Northern Ireland to Southeast Europe

Cheapest flights from Northern Ireland to Southeast Europe
Explore the most affordable flight options available from Northern Ireland to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

Wed 8/1006:10BFS - SPU
1 stop13h 05measyJet
Wed 15/1010:45SPU - BFS
1 stop13h 35measyJet
Deal found 24/8£81
Sun 19/1005:40BFS - CFU
Nonstop3h 40mMultiple Airlines
Wed 22/1000:00CFU - BFS
1 stop16h 50mMultiple Airlines
Deal found 25/8£98
Wed 8/1020:10BFS - SPU
1 stop23h 35mMultiple Airlines
Wed 15/1010:45SPU - BFS
1 stop13h 35mMultiple Airlines
Deal found 24/8£99
Thu 9/1007:00BFS - OTP
1 stop6h 45mMultiple Airlines
Thu 16/1008:00OTP - BFS
1 stop15h 40mMultiple Airlines
Deal found 25/8£102
Thu 9/1009:00BFS - SPU
1 stop9h 55measyJet
Thu 16/1010:30SPU - BFS
1 stop22h 50measyJet
Deal found 25/8£103
Fri 14/1106:00BFS - OTP
1 stop11h 30mMultiple Airlines
Sun 16/1107:10OTP - BFS
1 stop7h 45mMultiple Airlines
Deal found 25/8£108
Tue 14/1020:55BFS - ATH
1 stop14h 05mMultiple Airlines
Tue 21/1014:00ATH - BFS
1 stop8h 35mMultiple Airlines
Deal found 26/8£122
Wed 1/1006:10BFS - CFU
1 stop13h 50measyJet
Wed 8/1022:00CFU - BFS
1 stop12h 30measyJet
Deal found 25/8£127
Thu 9/1006:10BFS - ATH
1 stop11h 50measyJet
Thu 16/1020:50ATH - BFS
1 stop13h 00measyJet
Deal found 24/8£131
Thu 9/1006:10BFS - ATH
1 stop11h 35mMultiple Airlines
Thu 16/1013:55ATH - BFS
1 stop8h 40mMultiple Airlines
Deal found 25/8£134
Thu 25/906:10BFS - ATH
1 stop11h 35mMultiple Airlines
Thu 2/1005:50ATH - BFS
1 stop11h 00mMultiple Airlines
Deal found 26/8£144
Tue 2/914:40BFS - CFU
Nonstop3h 40mMultiple Airlines
Mon 8/919:10CFU - BFS
1 stop14h 40mMultiple Airlines
Deal found 26/8£148

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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 27 August 2025.
Use the filters below to find and compare flights from Northern Ireland to Southeast Europe that are best for you.

Fly from

Northern Ireland

Fly to

Southeast Europe

Route

Depart

Return

Price

BelfastSplit

BFS - SPU

BFSSPU

Belfast Intl

Wed 8/10

06:10-20:15

1 stop13h 05m

Split

Wed 15/10

10:45-23:20

1 stop13h 35m

£81

BelfastCorfu

BFS - CFU

BFSCFU

Belfast Intl

Sun 19/10

05:40-11:20

Nonstop3h 40m

Corfu Ioannis Kapodistrias

Wed 22/10

00:00-14:50

1 stop16h 50m

£98

BelfastSplit

BFS - SPU

BFSSPU

Belfast Intl

Wed 8/10

20:10-20:45

1 stop23h 35m

Split

Wed 15/10

10:45-23:20

1 stop13h 35m

£99

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Wed 29/10

16:00-03:15

1 stop9h 15m

Bucharest Otopeni Intl

Wed 5/11

07:10-20:15

1 stop15h 05m

£102

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Thu 9/10

07:00-15:45

1 stop6h 45m

Bucharest Otopeni Intl

Thu 16/10

08:00-21:40

1 stop15h 40m

£102

BelfastSplit

BFS - SPU

BFSSPU

Belfast Intl

Thu 9/10

09:00-19:55

1 stop9h 55m

Split

Thu 16/10

10:30-08:20

1 stop22h 50m

£103

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Fri 14/11

06:00-19:30

1 stop11h 30m

Bucharest Otopeni Intl

Sun 16/11

07:10-12:55

1 stop7h 45m

£108

BelfastAthens

BFS - ATH

BFSATH

Belfast Intl

Tue 14/10

20:55-13:00

1 stop14h 05m

Athens Eleftherios V.

Tue 21/10

14:00-20:35

1 stop8h 35m

£122

BelfastCorfu

BFS - CFU

BFSCFU

Belfast Intl

Wed 1/10

06:10-22:00

1 stop13h 50m

Corfu Ioannis Kapodistrias

Wed 8/10

22:00-08:30

1 stop12h 30m

£127

BelfastAthens

BFS - ATH

BFSATH

Belfast Intl

Thu 9/10

06:10-20:00

1 stop11h 50m

Athens Eleftherios V.

Thu 16/10

20:50-07:50

1 stop13h 00m

£131

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 40 results
1
2
3
4

Best time to book a flight from Northern Ireland to Southeast Europe

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

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

Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Southeast Europe (average of £101). Flying from Northern Ireland to Southeast Europe in August is currently the most expensive (average of £330). 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 NIR to YMH?

Find hourly flight availability from Northern Ireland 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 27 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to Southeast Europe as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Southeast Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Northern Ireland to Southeast Europe?

    Airlines like easyJet fly from Northern Ireland to Southeast Europe in about 13h 05m. The time it takes to get you to your destination can typically vary by up to . The distance between Northern Ireland and Southeast Europe is about 1265 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland 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 Northern Ireland to Southeast Europe?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Southeast Europe (average of £101). Flying from Northern Ireland to Southeast Europe in August is currently the most expensive (average of £330). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Northern Ireland to Southeast Europe

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Istanbul flights
Gatwick to Edinburgh flights
Luton to Edinburgh flights
Heathrow to Lisbon flights
Stansted to Edinburgh flights
London City to Istanbul flights
Gatwick to Belfast Intl flights
Heathrow to Madrid flights
Luton to Belfast Intl flights
London City to Linate flights
Heathrow to Leonardo da Vinci/Fiumicino flights
Heathrow to Palma de Mallorca flights
Heathrow to Málaga flights
Gatwick to Charles de Gaulle flights
Luton to Charles de Gaulle flights
Heathrow to Charles de Gaulle flights
Gatwick to Lisbon flights
Heathrow to Edinburgh flights
London City to Charles de Gaulle flights
Heathrow to Athens flights
Gatwick to Amsterdam flights
Luton to Amsterdam flights
Heathrow to Amsterdam flights
London City to Amsterdam flights
Gatwick to Madrid flights
Stansted to Amsterdam flights
Heathrow to Helsinki flights
Heathrow to Ibiza flights
Luton to Lisbon flights
Stansted to Leonardo da Vinci/Fiumicino flights
Stansted to Sabiha Gokcen flights
Gatwick to Luqa flights
Luton to Istanbul flights
Gatwick to Oslo Gardermoen flights
Heathrow to Copenhagen flights
Gatwick to Barcelona-El Prat flights
Heathrow to Faro flights
Heathrow to Barcelona-El Prat flights
Gatwick to Malpensa flights
Gatwick to Istanbul flights
Stansted to Lisbon flights
Heathrow to Luqa flights
London City to Edinburgh flights
Stansted to Madrid flights
Luton to Barcelona-El Prat flights
Heathrow to Malpensa flights
Gatwick to Leonardo da Vinci/Fiumicino flights
Stansted to Glasgow Intl flights
London City to Leonardo da Vinci/Fiumicino flights
Heathrow to Linate flights

Top 4 airlines flying from Northern Ireland to Southeast Europe

Discover the top 4 airlines that operate flights from Northern Ireland 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 27 August 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£120Average£239FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£156Average£339FlexibilityNo cancel feeOn-time75%
Search KLM flights
Jet2Cheapest£177Average£327FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
TUI AirwaysCheapest£206Average£293FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways 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 Northern Ireland to Southeast Europe?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to Southeast Europe. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Southeast Europe?

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 Southeast Europe from Northern Ireland.

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

Certainly. Search results for flights to Southeast Europe from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.