$34+ Cheap flights from Belfast
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
Find flights from Belfast within your budget
Fly to
Route
Depart
Return
BelfastLondon
BFS Belfast Intl - LGW London Gatwick
BFSLGW
Belfast Intl
Wed 11/18
6:05 pm-7:30 pm
Nonstop1h 25m
London Gatwick
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
BelfastLondon
BFS Belfast Intl - STN London Stansted
BFSSTN
Belfast Intl
Sat 9/12
6:00 am-7:20 am
Nonstop1h 20m
London Stansted
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Sat 10/3
3:35 pm-4:45 pm
Nonstop1h 10m
London Luton
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Mon 9/21
7:00 am-8:10 am
Nonstop1h 10m
London Luton
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Tue 9/15
8:00 am-9:10 am
Nonstop1h 10m
London Luton
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
BelfastLondon
BFS Belfast Intl - STN London Stansted
BFSSTN
Belfast Intl
Tue 9/15
6:40 am-8:05 am
Nonstop1h 25m
London Stansted
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
BelfastLondon
BFS Belfast Intl - STN London Stansted
BFSSTN
Belfast Intl
Sun 9/20
7:00 am-8:20 am
Nonstop1h 20m
London Stansted
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
BelfastLondon
BFS Belfast Intl - LGW London Gatwick
BFSLGW
Belfast Intl
Fri 10/9
8:15 pm-9:45 pm
Nonstop1h 30m
London Gatwick
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
BelfastLondon
BFS Belfast Intl - LGW London Gatwick
BFSLGW
Belfast Intl
Thu 10/22
6:10 am-7:40 am
Nonstop1h 30m
London Gatwick
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
BelfastLondon
BFS Belfast Intl - LGW London Gatwick
BFSLGW
Belfast Intl
Thu 10/15
6:10 am-7:40 am
Nonstop1h 30m
London Gatwick
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Best time to book a flight from Belfast
Have a flexible travel schedule? Discover the best time to fly from Belfast with our price prediction graph.
Travel insights for flights from Belfast
Get recent, data-driven insights about flights from Belfast including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Belfast?
Currently, February is the cheapest month in which you can book a flight from Belfast (average of $102). Flying from Belfast in June will prove the most costly (average of $207). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Which airlines fly from Belfast?
For flights departing from Belfast check dates and pricing for the following: easyJet. This airline departs to the following popular destinations: London.
When is the best time to book a flight from Belfast?
To ensure you get the cheapest price possible for a flight from Belfast, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Airline reviews for flights from Belfast
Read reviews and ratings of airlines operating flights from Belfast. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your Belfast travel. Please note that the reviews are sourced from user searches and were last updated on September 6, 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 searches.
Get a feel of what it's like to fly with easyJet from Belfast by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Comfort
Boarding
Food
Crew
Reviews
Matt,Sep 2025
JTR - LGW
Entertainment
Overall
Comfort
Boarding
Food
Crew
Reviews
Matt,Sep 2025
JTR - LGW
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Airports servicing Belfast
Fly out of one of these airports located in Belfast.
Fly from other United Kingdom cities
Consider departing from one of these cities also located in United Kingdom. Flight origins are based on user searches made on Cheapflights and were last updated on September 6, 2026.
Popular Round-Trip Flight Destinations
Consider these popular destinations that Cheapflights users have chosen when departing from Northern Ireland. Routes are based on user searches and were last updated on September 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Related info for your journey
Access useful and relevant information related to your journey from Belfast. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated September 6, 2026.