Cheap flights from Belfast Intl Airport 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
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Belfast Intl to Southeast Europe

Keep the following information in mind while searching for Belfast Intl to Southeast Europe flight deals. Data was last updated 29 August 2025.

Round-trip from

£82

One-way from

£53

Popular in

August

Cheapest in

February

Average price

£386
18/11-20/11
  • 18/11-20/11
  • 2 total stops
  • 21h 50m total
  • Belfast to Southeast Europe
14/10
  • 14/10
  • 1 total stop
  • 15h 20m total
  • Belfast to Southeast Europe
Highest demand for flights based on searches. 19% potential increase in price (£52 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Belfast Intl to Southeast Europe

Cheapest flights from Belfast Intl to Southeast Europe
Explore the most affordable flight options available from Belfast Intl to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Tue 18/1108:50BFS - OTP
1 stop8h 40mMultiple Airlines
Thu 20/1107:10OTP - BFS
1 stop13h 10mMultiple Airlines
Deal found 28/8£82
Wed 12/1108:50BFS - OTP
1 stop16h 25mMultiple Airlines
Fri 14/1105:50OTP - BFS
1 stop15h 40mMultiple Airlines
Deal found 28/8£83
Sun 19/1005:40BFS - CFU
Nonstop3h 40mMultiple Airlines
Wed 22/1000:00CFU - BFS
1 stop16h 50mMultiple Airlines
Deal found 27/8£93
Sat 11/1015:35BFS - OTP
1 stop9h 20mMultiple Airlines
Sat 18/1005:55OTP - BFS
1 stop11h 10mMultiple Airlines
Deal found 27/8£95
Sat 11/1015:35BFS - SPU
1 stop17h 00measyJet
Sat 18/1021:05SPU - BFS
1 stop13h 20measyJet
Deal found 27/8£101
Sun 12/1007:00BFS - SPU
1 stop12h 50measyJet
Sun 19/1021:35SPU - BFS
1 stop16h 30measyJet
Deal found 28/8£105
Mon 6/1020:55BFS - ATH
1 stop14h 15mMultiple Airlines
Wed 15/1013:55ATH - BFS
1 stop11h 25mMultiple Airlines
Deal found 27/8£111
Sun 12/1007:00BFS - SPU
1 stop12h 45mMultiple Airlines
Sun 19/1021:25SPU - BFS
2 stops20h 15mMultiple Airlines
Deal found 28/8£136
Sat 27/915:35BFS - SPU
1 stop17h 00measyJet
Sat 4/1019:00SPU - BFS
1 stop16h 00measyJet
Deal found 27/8£139
Sat 20/906:55BFS - SJJ
1 stop12h 15mMultiple Airlines
Sat 27/910:30SJJ - BFS
2 stops21h 45mMultiple Airlines
Deal found 28/8£141
Sun 12/1022:10BFS - ATH
2 stops14h 25mMultiple Airlines
Sun 19/1022:40ATH - BFS
2 stops15h 30mMultiple Airlines
Deal found 28/8£148
Sat 11/1015:35BFS - ATH
1 stop19h 35mMultiple Airlines
Sat 18/1022:40ATH - BFS
1 stop12h 45mMultiple Airlines
Deal found 27/8£154

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 29 August 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Southeast Europe that are best for you.

Fly from

Belfast Intl

Fly to

Southeast Europe

Route

Depart

Return

Price

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Tue 18/11

08:50-19:30

1 stop8h 40m

Bucharest Otopeni Intl

Thu 20/11

07:10-18:20

1 stop13h 10m

£82

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Wed 12/11

08:50-03:15

1 stop16h 25m

Bucharest Otopeni Intl

Fri 14/11

05:50-19:30

1 stop15h 40m

£83

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

£93

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Sat 11/10

15:35-02:55

1 stop9h 20m

Bucharest Otopeni Intl

Sat 18/10

05:55-15:05

1 stop11h 10m

£95

BelfastSplit

BFS - SPU

BFSSPU

Belfast Intl

Sat 11/10

15:35-09:35

1 stop17h 00m

Split

Sat 18/10

21:05-09:25

1 stop13h 20m

£101

BelfastSplit

BFS - SPU

BFSSPU

Belfast Intl

Sun 12/10

07:00-20:50

1 stop12h 50m

Split

Sun 19/10

21:35-13:05

1 stop16h 30m

£105

BelfastAthens

BFS - ATH

BFSATH

Belfast Intl

Mon 6/10

20:55-13:10

1 stop14h 15m

Athens Eleftherios V.

Wed 15/10

13:55-23:20

1 stop11h 25m

£111

BelfastSplit

BFS - SPU

BFSSPU

Belfast Intl

Sun 12/10

07:00-20:45

1 stop12h 45m

Split

Sun 19/10

21:25-16:40

2 stops20h 15m

£136

BelfastSplit

BFS - SPU

BFSSPU

Belfast Intl

Sat 27/9

15:35-09:35

1 stop17h 00m

Split

Sat 4/10

19:00-10:00

1 stop16h 00m

£139

BelfastSarajevo

BFS - SJJ

BFSSJJ

Belfast Intl

Sat 20/9

06:55-20:10

1 stop12h 15m

Sarajevo Butmir

Sat 27/9

10:30-07:15

2 stops21h 45m

£141

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 48 results
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Best time to book a flight from Belfast Intl to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe from Belfast Intl 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 Belfast Intl Airport to Southeast Europe

What is the cheapest month to book a flight from Belfast Intl Airport to Southeast Europe?

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Southeast Europe (average of £101). Flying from Belfast Intl Airport 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 BFS to YMH?

Find hourly flight availability from Belfast Intl 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 29 August 2025.

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

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 29 August 2025.
Check out reviews from past customers who have flown with Jet2, KLM, andeasyJet from Belfast Intl Airport 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.

Overall

8.3

Entertainment

6.3

Food

7.3

Boarding

8.2

Comfort

7.7

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
8.3
Very Good

Overall

8.3

Entertainment

6.3

Food

7.3

Boarding

8.2

Comfort

7.7

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Entertainment

6.3

Food

7.3

Boarding

8.2

Comfort

7.7

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Entertainment

6.3

Food

7.3

Boarding

8.2

Comfort

7.7

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl 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 Belfast Intl Airport to Southeast Europe?

    easyJet can get you from Belfast Intl Airport to Southeast Europe in just under 17h. Your travel time can differ by up to . There are 1265 mi between Belfast Intl Airport and Southeast Europe.

  • What are the most popular routes from Belfast Intl Airport to Southeast Europe?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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 Belfast Intl Airport to Southeast Europe?

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Southeast Europe (average of £101). Flying from Belfast Intl Airport 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

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Alternative routes for Belfast Intl to Southeast Europe

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Belfast Intl to Southeast Europe

Discover the top 4 airlines that operate flights from Belfast Intl 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£120Average£238FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Jet2Cheapest£176Average£326FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
KLMCheapest£199Average£342FlexibilityNo cancel feeOn-time75%
Search KLM flights
TUI AirwaysCheapest£206Average£292FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights

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How does Cheapflights help users find flights from Belfast Intl to Southeast Europe?

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

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