Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Dublin to Belfast
The cheapest flights right now
Dublin – Belfast
Outbound – Dec 3, 2026
1 stop
3h 30m MAN
Return – Dec 9, 2026
1 stop
4h 15m LPL
$151
3 days ago
Dublin – Belfast
Outbound – Nov 23, 2026
1 stop
3h 10m MAN
Return – Dec 2, 2026
1 stop
3h 0m LPL
$150
3 days ago
Dublin – Belfast
Outbound – Dec 3, 2026
1 stop
3h 30m MAN
Return – Dec 9, 2026
1 stop
3h 0m LPL
$149
2 days ago
Dublin – Belfast
Outbound – Dec 3, 2026
1 stop
4h 15m MAN
Return – Dec 9, 2026
1 stop
3h 0m LPL
$148
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$100
Average price of a round trip
$125
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
11h20
A flight from Dublin to Belfast takes on average 11h20.
Best time
November
According to user searches, the ideal month to go to Belfast is November.
The best flight deals for a week
Dublin – Belfast
Outbound – Nov 21, 2026
1 stop
5h 0m STN
Return – Nov 28, 2026
1 stop
4h 5m STN
$147
2 days ago
Dublin – Belfast
Outbound – Nov 21, 2026
1 stop
5h 0m STN
Return – Nov 28, 2026
1 stop
4h 5m STN
$146
yesterday
Dublin – Belfast
Outbound – Nov 21, 2026
1 stop
3h 35m MAN
Return – Nov 28, 2026
1 stop
4h 5m STN
$168
2 days ago
Dublin – Belfast
Outbound – Nov 21, 2026
1 stop
3h 35m MAN
Return – Nov 28, 2026
1 stop
4h 35m STN
$167
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Dublin to Belfast
Check out our tips for booking your flight to Belfast (United Kingdom) from Dublin (Ireland) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is January, with an average flight ticket price of $107 (calculation over the last two years). The most touristic season corresponds to the months of September, October and October.
For the cheapest flights, it is advisable to buy your ticket at least 45 days before the departure date.
The airline offering the cheapest flight tickets is Ryanair. A ticket from the airline Ryanair to Belfast costs on average $123.
The airlines that offer the most flights are .
info departure city :
Dublin, Ireland
airport :
Dublin International Airport (DUB)
local time :
Dublin is a city in the country Ireland, the time zone is [[timezone]]. In Dublin, it is currently {fromLocalTime}, the temperature is on average 16°C, with a minimum of 14°C and a maximum of 19°C.
The city of Dublin has 1 airport(s): Dublin
destination info :
Belfast, United Kingdom
airports :
Belfast International Airport (BFS)
Belfast-George Best Airport (BHD)
local time :
Belfast is in the country United Kingdom, the time zone is [[timezone]]. In Belfast, it is currently {toLocalTime}, the temperature is on average 15°C, with a minimum of 12°C and a maximum of 18°C.
The city of Belfast (BFS) has 2 airport(s): Belfast International and Belfast-George Best
Useful info about Belfast
What is the least touristic period to go to Belfast?
If you want to visit Belfast during the least touristic period, choose the month of November.
What is the most popular time to travel to Belfast?
In Belfast, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Dublin to Belfast?
According to our data, it is recommended to book your flight 45 days before your departure. If you book your flight ticket 7 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Dublin to Belfast is Monday.
What are the arrival and destination airports when traveling between Dublin and Belfast?
When you leave, you can leave from Dublin, and you will arrive at Belfast International or Belfast-George Best.
How to reach Dublin airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Dublin to Belfast?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Dublin and Belfast?
In summer, the average temperature is 14°C in Belfast and 15°C in Dublin. The average rainfall in summer is 90 mm in Belfast and 76 mm in Dublin. In summer, it is warmer in Dublin and it rains less in Dublin. In winter, it is colder in Dublin and it rains more in Belfast.
