$35+ Cheap flights from Northern Ireland
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find flights from Northern Ireland within your budget
Fly to
Route
Depart
Return
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Thu 9/3
3:55 pm-5:05 pm
Nonstop1h 10m
London Luton
Thu 9/3
7:10 pm-8:25 pm
Nonstop1h 15m
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Wed 9/16
8:10 pm-9:20 pm
Nonstop1h 10m
London Luton
Wed 9/23
7:00 am-8:20 am
Nonstop1h 20m
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Thu 9/17
3:55 pm-5:05 pm
Nonstop1h 10m
London Luton
Mon 9/21
11:45 am-1:05 pm
Nonstop1h 20m
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Wed 8/26
7:00 am-8:10 am
Nonstop1h 10m
London Luton
Wed 9/2
7:25 pm-10:45 pm
1 stop3h 20m
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Fri 9/11
8:15 pm-9:25 pm
Nonstop1h 10m
London Luton
Sun 9/13
8:40 am-10:00 am
Nonstop1h 20m
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Wed 11/4
8:50 am-10:00 am
Nonstop1h 10m
London Luton
Wed 11/4
11:20 am-12:40 pm
Nonstop1h 20m
BelfastLondon
BFS Belfast Intl - LTN London Luton
BFSLTN
Belfast Intl
Tue 11/10
8:50 am-10:00 am
Nonstop1h 10m
London Luton
Wed 11/11
8:45 am-5:00 pm
1 stop8h 15m
BelfastLondon
BFS Belfast Intl - LGW London Gatwick
BFSLGW
Belfast Intl
Wed 9/16
9:35 pm-11:00 pm
Nonstop1h 25m
London Gatwick
Thu 9/17
8:25 am-9:55 am
Nonstop1h 30m
BelfastLondon
BFS Belfast Intl - LGW London Gatwick
BFSLGW
Belfast Intl
Thu 9/17
9:10 pm-10:35 pm
Nonstop1h 25m
London Gatwick
Sun 9/20
7:55 am-9:25 am
Nonstop1h 30m
BelfastLondon
BFS Belfast Intl - LGW London Gatwick
BFSLGW
Belfast Intl
Tue 9/15
8:55 pm-10:25 pm
Nonstop1h 30m
London Gatwick
Thu 9/17
8:25 am-9:55 am
Nonstop1h 30m
Best time to book a flight from Northern Ireland
Have a flexible travel schedule? Discover the best time to fly from Northern Ireland with our price prediction graph.
Travel insights for flights from Northern Ireland
Get recent, data-driven insights about flights from Northern Ireland including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Northern Ireland?
Currently, February is the cheapest month in which you can book a flight from Northern Ireland (average of $96). Flying from Northern Ireland 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 Northern Ireland?
For flights departing from Northern Ireland check dates and pricing for the following: easyJet. This airline departs to the following popular destinations: London.
What is the cheapest place to fly to from Northern Ireland?
The cheapest city to fly to from Northern Ireland is Edinburgh Turnhouse, with prices starting at $20. Explore other affordable destinations below.
When is the best time to book a flight from Northern Ireland?
To ensure you get the cheapest price possible for a flight from Northern Ireland, you should look to book at least 55 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.
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Popular international destinations from United Kingdom
The most popular international flight routes departing from United Kingdom we’ve come across at this time.
Fly from popular cities in Northern Ireland
Consider departing from one of these cities also located in Northern Ireland. Flight origins are based on user searches made on Cheapflights and were last updated on August 6, 2026.
Fly from other United Kingdom cities
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 August 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 Northern Ireland. 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 August 6, 2026.