Airport passengers
Belfast International · May 2026
Belfast International handled 632,287 terminal passengers in May 2026 — up 5% on May 2025, when it handled 599,543.
Read from the Civil Aviation Authority’s monthly airport data, table 09 — terminal and transit passengers, in the vintage we archived on 11 August 2026.
632,287
terminal passengers
Passengers beginning or ending a journey at Belfast International, May 2026
That made it the 10th-busiest of the 47 UK airports reporting to the CAA in May 2026.
Its busiest month on our record was July 2024, at 709,170. The record starts in January 2019.
The busiest UK airports in May 2026
- out of 47 UK airports reporting that month
Terminal passengers, as published. Alderney, Guernsey, Jersey and the Isle of Man report to the CAA but are not in the United Kingdom; they have pages here and are left out of this ranking.
Every month on record
One cell per month from Jan 2019 to May 2026, shaded from this airport’s own quietest month to its busiest. The record starts in January 2019, which is far enough back to hold a pre-2020 comparison.
The last thirteen months
| Month | Terminal passengers | In transit | On the same month a year earlier |
|---|---|---|---|
| May 2026 | 632,287 | 0 | up 5% on May 2025 |
| Apr 2026 | 568,632 | 0 | up 3% on April 2025 |
| Mar 2026 | 532,799 | 0 | up 5% on March 2025 |
| Feb 2026 | 459,643 | 0 | down 1% on February 2025 |
| Jan 2026 | 388,637 | 0 | down 1% on January 2025 |
| Dec 2025 | 483,719 | 0 | down 2% on December 2024 |
| Nov 2025 | 457,466 | 0 | little changed on November 2024 |
| Oct 2025 | 595,468 | 0 | down 2% on October 2024 |
| Sep 2025 | 594,984 | 0 | down 4% on September 2024 |
| Aug 2025 | 695,823 | 0 | down 2% on August 2024 |
| Jul 2025 | 694,251 | 0 | down 2% on July 2024 |
| Jun 2025 | 640,102 | 0 | up 2% on June 2024 |
| May 2025 | 599,543 | 0 | down 5% on May 2024 |
Each month is compared with the same month a year earlier, which is the comparison the CAA makes. The percentage here is ours, calculated from the two months in our own series rather than taken from the publisher’s comparison column.