A modern glass dome structure with a geometric pattern and a central cylindrical tower.

Cheap Flights from Dublin (DUB) to Belfast (BFS)

Popular airlines from Dublin Airport (DUB) to Belfast International Airport (BFS)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 25% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Alternative airports near Belfast

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

Find the cheapest month to fly from Dublin (DUB) to Belfast (BFS)

November is typically the cheapest month to fly

From £157 - £204 per traveller.

Frequently asked questions

How much does a flight from Dublin (DUB) to Belfast (BFS-Belfast Intl.) cost?
You can find one-way and return flights from DUB to BFS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when DUB to BFS ticket fares go up or down.
What is the cheapest month to fly from Dublin (DUB) to Belfast (BFS-Belfast Intl.)?
The cheapest months to fly from DUB to BFS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Dublin (DUB) to Belfast (BFS-Belfast Intl.)?
Enter DUB to BFS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Dublin (DUB) to Belfast (BFS-Belfast Intl.)?
To find a cheap flight from Dublin (DUB) to Belfast (BFS-Belfast Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Dublin (DUB) to Belfast (BFS-Belfast Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Dublin (DUB) to Belfast (BFS-Belfast Intl.)?
The earliest flight from Dublin (DUB) to Belfast (BFS-Belfast Intl.) typically departs around 5:55 AM local time, operated by KLM. This is a seasonal service active in March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Dublin (DUB) to Belfast (BFS-Belfast Intl.)?
You'll typically find the most flights from Dublin (DUB) to Belfast Intl. (BFS) on a Sunday, with around 25 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Aer Lingus, British Airways, and KLM.
What are the most popular departure times for flights from Dublin (DUB) to Belfast (BFS-Belfast Intl.)?
The most popular departure times for flights from Dublin (DUB) to Belfast (BFS-Belfast Intl.) are in the evening, from 6pm to 9pm. British Airways offers flights during this window. Many travellers find this time convenient as it allows for a full day of activities before an evening flight.
Can you fly business or first class from Dublin (DUB) to Belfast (BFS-Belfast Intl.)?
You can fly business class between DUB and BFS. Airlines that offer business class service on this route include:
  • BA Cityflyer
  • British Airways
How do I earn miles on a Dublin (DUB) to Belfast (BFS-Belfast Intl.) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to Belfast (BFS-Belfast Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Belfast (BFS) from Dublin (DUB)?
If you're planning to travel to Belfast from DUB, you can fly directly into Belfast Intl. (BFS). Some flights may connect through major hubs like Schiphol (AMS) or Barcelona Intl. (BCN) before reaching Belfast. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Dublin (DUB) to Belfast (BFS-Belfast Intl.) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to Belfast (BFS-Belfast Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Dublin (DUB) to Belfast (BFS-Belfast Intl.) flight and hotel package?
Securing a Dublin (DUB) to Belfast (BFS-Belfast Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dublin (DUB) to Belfast (BFS-Belfast Intl.)?
If you booked your Dublin (DUB) to Belfast (BFS-Belfast Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dublin
Destination airport
Belfast Intl.
Distance
136 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.