Cheap flights from Ireland to Belfast from €54
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 20/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ireland to Belfast
Recent return flight deals from Ireland to Belfast
Recent one-way flight deals from Ireland to Belfast
See travel insights to Belfast from
How to get the cheapest flight ticket from Ireland to Belfast Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Cheap Ireland to Belfast Intl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast Intl Airport
When did momondo last update prices for flights from Ireland to Belfast Intl Airport?
Prices for flights from Ireland to Belfast Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Belfast Intl Airport?
As of May 2025, there is 1 operator available to choose from for flights from Ireland to Belfast Intl Airport.
How old do you have to be to fly from Ireland to Belfast Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Ireland to Belfast Intl Airport
Compare and see reviews for airlines that fly from Ireland to Belfast Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €267 | Free Cancellation | Rating 6.6 6,846 reviews |
Travelling to a place near Belfast?
Book flights to Belfast if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ireland to Belfast?
Finding the right flight to Belfast from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.
Can I find flights from Ireland to Belfast with flexible booking policies on momondo?
All flight searches from Ireland to Belfast on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ireland to Belfast?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Ireland.
I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ireland to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.