$151 Cheap Flights from Belfast (BHD) to Dublin (DUB)

View $151 flight on Sun, Dec 14, 2025Opens in a new window

Popular airlines from Belfast (BHD-George Best Belfast City) to Dublin Airport (DUB)

Cheap Flights from Belfast to Dublin (BHD-DUB)

Prices were available within the past 7 days and start at $151 for one-way flights and $216 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, Nov 27 - Wed, Dec 3
BHD
Belfast
DUB
Dublin
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select British Airways flight, departing Thu, Nov 27 from Belfast to Dublin, returning Wed, Dec 3, priced at $216 found 1 day ago
British Airways
Thu, Oct 2 - Mon, Oct 6
BHD
Belfast
DUB
Dublin
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Oct 2 from Belfast to Dublin, returning Mon, Oct 6, priced at $219 found 2 days ago
British Airways
Fri, Dec 5 - Tue, Dec 9
BHD
Belfast
DUB
Dublin
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Dec 5 from Belfast to Dublin, returning Tue, Dec 9, priced at $222 found 6 days ago
British Airways
Thu, Nov 27 - Wed, Dec 3
BHD
Belfast
DUB
Dublin
$225 Roundtrip, found 1 day ago
$225
Roundtrip
found 1 day ago
Select British Airways flight, departing Thu, Nov 27 from Belfast to Dublin, returning Wed, Dec 3, priced at $225 found 1 day ago
British Airways
Mon, Jan 26 - Fri, Jan 30
BHD
Belfast
DUB
Dublin
$226 Roundtrip, found 4 days ago
$226
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Jan 26 from Belfast to Dublin, returning Fri, Jan 30, priced at $226 found 4 days ago
British Airways
Thu, Oct 2 - Mon, Oct 6
BHD
Belfast
DUB
Dublin
$228 Roundtrip, found 2 days ago
$228
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Oct 2 from Belfast to Dublin, returning Mon, Oct 6, priced at $228 found 2 days ago
British Airways
Tue, Oct 14 - Tue, Oct 21
BHD
Belfast
DUB
Dublin
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Oct 14 from Belfast to Dublin, returning Tue, Oct 21, priced at $229 found 1 day ago
British Airways
Thu, Oct 2 - Mon, Oct 6
BHD
Belfast
DUB
Dublin
$230 Roundtrip, found 2 days ago
$230
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Oct 2 from Belfast to Dublin, returning Mon, Oct 6, priced at $230 found 2 days ago
Aer Lingus
Thu, Sep 4 - Tue, Sep 9
BHD
Belfast
DUB
Dublin
$377 Roundtrip, found 4 days ago
$377
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Thu, Sep 4 from Belfast to Dublin, returning Tue, Sep 9, priced at $377 found 4 days ago
KLM
Sat, Sep 6 - Sat, Sep 13
BHD
Belfast
DUB
Dublin
$573 Roundtrip, found 6 hours ago
$573
Roundtrip
found 6 hours ago
Select KLM flight, departing Sat, Sep 6 from Belfast to Dublin, returning Sat, Sep 13, priced at $573 found 6 hours ago

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $474
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $474
Flights from Belfast (BHD) to Dublin (DUB)
Origin airport
George Best Belfast City
Destination airport
Dublin
Airlines serving
British Airways
Roundtrip price
$215
Distance
83 mi

Belfast to Dublin Flights

The cheapest times to fly from Belfast to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Belfast to Dublin are during the month of November. You can find some of the cheapest flights from Belfast to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Belfast to Dublin

Sunday is one of the best days to book for cheap flights from Belfast to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Belfast to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Belfast to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $151 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Belfast to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Belfast to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from George Best Belfast City Airport (BHD) to Dublin Airport (DUB) cost?
Get a cheap one-way flight from $151 or cheap return flight from $216 from George Best Belfast City Airport (BHD) to Dublin Airport (DUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Best Belfast City Airport (BHD) to Dublin Airport (DUB)?
The cheapest month to fly from BHD to DUB is November, when demand is low. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from George Best Belfast City Airport (BHD) to Dublin Airport (DUB)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BHD to DUB flight.
How many flights per day from George Best Belfast City Airport (BHD) to Dublin Airport (DUB)?
There aren't any daily direct flights from George Best Belfast City Airport (BHD) to Dublin Airport (DUB). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from BHD to DUB?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Best Belfast City Airport (BHD) to Dublin Airport (DUB)?
To avoid potential delays on the George Best Belfast City Airport (BHD) to Dublin Airport (DUB) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from George Best Belfast City Airport (BHD) to Dublin Airport (DUB) last-minute?
Last-minute bookings from BHD to DUB are typically more expensive. To lock in the best prices, start searching for flights well ahead of time. That said, if you can play around with your travel dates, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a BHD to DUB flight and hotel package?
Compared with arranging flights and hotels separately, booking a BHD to DUB flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Just secure your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from George Best Belfast City Airport (BHD) to Dublin Airport (DUB)?
Typically, you can cancel or modify your BHD to DUB flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

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*Available to One Key members.