Flights from Belfast International to National/Zaventem are generally found to be more expensive on Friday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to National/Zaventem.
Travellers have found it’s best to book a flight 57 days in advance to save up to 73% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 57 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Belfast International to National/Zaventem 1-2 weeks in advance for as low as £123, or £161 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to National/Zaventem. Flights to National/Zaventem from Belfast International in May are about £96 on average during May, but can be found for as low as £70.
When flying from Belfast International to National/Zaventem, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 28% versus a flight in the morning.
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Belfast International and National/Zaventem for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
Some of our airline partners flying from Belfast Intl to Brussels Bruxelles-National have new flexible policies in place due to COVID-19. British Airways is one of the carriers where you may find flexible change policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.
Expected rainfall in Belfast International is less than in National/Zaventem. You can expect this to be the case over the next 25 days.
With an average temperature of 23 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in National/Zaventem are hotter than in Belfast International.