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Cheap flights from Northern Ireland to Southeast Europe from £98

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ATH
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Northern Ireland to Southeast Europe

Enter your travel dates to find the best prices.

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 November 2025.

Mon 1/1207:50BFS - DBV
1 stop12h 40mMultiple Airlines
Mon 8/1221:55DBV - BFS
1 stop12h 10mMultiple Airlines
Deal found 24/11£108
Fri 26/1206:00BFS - HER
2 stops24h 50mMultiple Airlines
Fri 2/118:25HER - BFS
2 stops16h 25mMultiple Airlines
Deal found 26/11£536
Wed 24/1207:25BHD - DBV
3 stops12h 30mMultiple Airlines
Wed 31/1206:40DBV - BHD
3 stops15h 30mMultiple Airlines
Deal found 26/11£552

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 November 2025.

Round-trip from

£101

One-way from

£98

Popular in

April

Cheapest in

February

Average price

£312
9/1-16/1
  • 9/1-16/1
  • 2 total stops
  • 25h 25m total
  • Northern Ireland to Southeast Europe
Search Deals
17/5
  • 17/5
  • 1 total stop
  • 8h 15m total
  • Northern Ireland to Southeast Europe
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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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 November 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

BelfastAthens

BFS - ATH

BFSATH

Belfast Intl

Fri 9/1

06:00-22:00

1 stop14h 00m

Athens Eleftherios V.

Fri 16/1

22:55-08:20

1 stop11h 25m

£101

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Fri 9/1

12:45-23:10

1 stop8h 25m

Bucharest Otopeni Intl

Fri 16/1

11:55-19:30

1 stop9h 35m

£108

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Fri 6/2

14:30-01:15

1 stop8h 45m

Bucharest Otopeni Intl

Sun 15/2

17:00-21:45

1 stop6h 45m

£113

BelfastAthens

BFS - ATH

BFSATH

Belfast Intl

Sat 10/1

12:45-09:35

2 stops18h 50m

Athens Eleftherios V.

Sat 17/1

21:15-08:50

1 stop13h 35m

£123

BelfastHeraklion

BFS - HER

BFSHER

Belfast Intl

Sat 10/1

10:10-08:00

2 stops19h 50m

Heraklion N. Kazantzakis Apt.

Sat 17/1

18:50-08:50

2 stops16h 00m

£192

BelfastHeraklion

BFS - HER

BFSHER

Belfast Intl

Thu 8/1

06:15-08:50

3 stops24h 35m

Heraklion N. Kazantzakis Apt.

Thu 15/1

08:10-07:25

3 stops25h 15m

£193

BelfastAthens

BHD - ATH

BHDATH

Belfast City

Fri 9/1

06:45-01:25

1 stop16h 40m

Athens Eleftherios V.

Fri 16/1

13:25-20:30

1 stop9h 05m

£206

BelfastDubrovnik

BFS - DBV

BFSDBV

Belfast Intl

Fri 1/5

19:20-23:59

2 stops27h 39m

Dubrovnik

Mon 4/5

22:05-15:35

2 stops18h 30m

£214

BelfastDubrovnik

BHD - DBV

BHDDBV

Belfast City

Fri 1/5

14:20-14:25

2 stops23h 05m

Dubrovnik

Mon 4/5

22:05-16:50

2 stops19h 45m

£226

BelfastSplit

BFS - SPU

BFSSPU

Belfast Intl

Fri 9/1

06:30-08:40

2 stops25h 10m

Split

Fri 16/1

19:50-13:15

2 stops18h 25m

£242

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 30 results
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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, November is the cheapest month in which you can book a flight from Northern Ireland to Southeast Europe (average of £169). Flying from Northern Ireland to Southeast Europe in August is currently the most expensive (average of £354). 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 November 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 31% on flights from Northern Ireland to Southeast Europe by exploring options for tickets in the evening.

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 British Airways and KLM fly from Northern Ireland to Southeast Europe in about 5h 55m. The time it takes to get you to your destination can typically vary by up to 10h 45m. The distance between Northern Ireland and Southeast Europe is about 1807 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, November is the cheapest month in which you can book a flight from Northern Ireland to Southeast Europe (average of £169). Flying from Northern Ireland to Southeast Europe in August is currently the most expensive (average of £354). 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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Alternative routes for Northern Ireland to Southeast Europe

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Top 3 airlines flying from Northern Ireland to Southeast Europe

Discover the top 3 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 November 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£160Average£219FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£204Average£354FlexibilityNo cancel feeOn-time75%
Search KLM flights
Jet2Cheapest£207Average£410FlexibilityNo cancel feeOn-timeN/A
Search Jet2 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.

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